D-Link DES-3526 Product Manual
D-Link DES-3526 - Switch - Stackable Manual
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- D-Link DES-3526 | Product Manual - Page 1
® User Manual Product Model: xStack® DES-3500 Series Layer 2 Managed Stackable Fast Ethernet Switch Release 5.1 ©Copyright 2008. All Rights Reserved - D-Link DES-3526 | Product Manual - Page 2
reserved. Reproduction in any manner whatsoever without the written permission of D-Link Corporation is strictly forbidden. Trademarks used in this text: D-Link and the D-LINK logo are trademarks of D-Link Corporation; Microsoft and Windows are registered trademarks of Microsoft Corporation. Other - D-Link DES-3526 | Product Manual - Page 3
Power Failure ...11 Connecting DC Power to DES-3526DC ...11 Connecting the Switch ...12 Switch to End Node ...12 Switch to Hub or Switch ...13 Connecting To Network Backbone or Server ...14 Introduction to Switch Management...15 Management Options ...15 Web-based Management Interface...15 SNMP-Based - D-Link DES-3526 | Product Manual - Page 4
Manager ...22 Web-based User Interface ...23 Areas of the User Interface ...23 Web Pages...24 Configuring the Switch ...25 Switch Information ...26 IP Address...26 Advanced Settings ...30 Port Configuration ...32 Port Description ...34 Port Mirroring ...35 Link Aggregation...36 Understanding Port - D-Link DES-3526 | Product Manual - Page 5
...67 Notes about VLANs on the xStack® DES-3500 Series switches ...67 IEEE 802.1Q VLANs...67 802.1Q VLAN Tags...69 Port VLAN ID...69 Tagging and Untagging...70 Ingress Filtering ...70 Default VLANs...70 Port-based VLANs...71 VLAN Segmentation...71 Asymmetric VLANs ...72 VLAN and Trunk Groups - D-Link DES-3526 | Product Manual - Page 6
145 802.3 Extension LLDP Port Settings ...146 LLDP Management Address Settings ...147 LLDP Statistics ...148 LLDP Management Address Table...149 LLDP Local Port Table...149 LLDP Remote Port Information...152 Security Management ...153 Trusted Host...153 User Accounts...154 Port Access Entity (802.1X - D-Link DES-3526 | Product Manual - Page 7
Password ...178 Enable Admin ...178 Secure Socket Layer (SSL) ...180 Download Certificate ...180 Configuration ...181 Secure Shell (SSH) ...182 SSH Configuration ...182 SSH Algorithm...183 SSH User Authentication ...185 SNMP Manager ...187 SNMP Settings...187 Traps ...187 MIBs ...187 SNMP User - D-Link DES-3526 | Product Manual - Page 8
Forwarding...222 VLAN Status...223 Router Port...223 Port Access Control ...223 Authenticator State...224 Layer 3 Features...226 Browse ARP Table...226 Safeguard Engine Status ...227 Cable Diagnostic...228 Maintenance...229 TFTP Services...229 Download Firmware...229 Download Configuration File - D-Link DES-3526 | Product Manual - Page 9
242 Group Icon ...242 Commander Switch Icon...243 Member Switch Icon...244 Candidate Switch Icon ...245 Menu Bar ...247 Group ...247 Device ...247 View...247 Firmware Upgrade ...248 Configuration File Backup/Restore...248 Upload Log File ...248 Technical Specifications ...250 Cables and Connectors - D-Link DES-3526 | Product Manual - Page 10
Preface xStack® DES-3500 Series Layer 2 Stackable Fast Ethernet Managed Switch User Manual The DES-3500 Series Manual is divided into sections that describe the system installation and operating instructions with examples. Section 1, Introduction - Describes the Switch and its features. Section 2, - D-Link DES-3526 | Product Manual - Page 11
xStack® DES-3500 Series Layer 2 Stackable Fast Ethernet Managed Switch User Manual Intended Readers The DES-3500 Manual contains information for setup and management of the Switch. This manual is intended for network managers familiar with network management concepts and terminology. Typographical - D-Link DES-3526 | Product Manual - Page 12
xStack® DES-3500 Series Layer 2 Stackable Fast Ethernet Managed Switch User Manual Safety Instructions appropriate section in your troubleshooting guide or contact your trained service provider. • Do not the Far East • -48 VDC for DC power supply unit on DES-3526DC only • Also, be sure that attached - D-Link DES-3526 | Product Manual - Page 13
xStack® DES-3500 Series Layer 2 Stackable Fast Ethernet Managed Switch User Manual rack for specific caution statements and well as to various peripherals or supporting hardware. • Before working on servicing other components in a rack. NOTE: A qualified electrician must perform all connections to DC - D-Link DES-3526 | Product Manual - Page 14
xStack® DES-3500 Series Layer 2 Stackable Fast Ethernet Managed Switch User Manual Protecting Against Electrostatic Discharge Static electricity can harm delicate components inside your system. To prevent static damage, discharge static electricity from your body before you - D-Link DES-3526 | Product Manual - Page 15
throughput with a user-friendly management interface for the networking professional. The following manual describes the installation, maintenance and configurations concerning members of the xStack® DES-3500 switch series. These three switches, the DES-3526, DES-3526DC, and the DES-3550 are all - D-Link DES-3526 | Product Manual - Page 16
xStack® DES-3500 Series Layer 2 Stackable Fast Ethernet Managed Switch User Manual • MAC Notification support • Port Mirroring support • Asymmetric VLAN support • MIB support for: • System and Port Utilization support • RFC1213 MIB II • System Log Support • RFC1493 Bridge • Address table: - D-Link DES-3526 | Product Manual - Page 17
xStack® DES-3500 Series Layer 2 Stackable Fast Ethernet Managed Switch User Manual Front-Panel Components The front panel of the Switch consists of LED indicators for power and for each 10/100 Mbps twisted-pair ports, and two 1000BASE-T Mini-GBIC ports. Figure 1- 1. Front Panel View of the DES-3526 - D-Link DES-3526 | Product Manual - Page 18
xStack® DES-3500 Series Layer 2 Stackable Fast Ethernet Managed Switch User Manual LED Indicators The Switch supports LED indicators for Power, Console, RPS (DES-3526/3550) and Port LEDs. The following shows the LED indicators for the DES-3500 Series switches along with an explanation of each - D-Link DES-3526 | Product Manual - Page 19
Fast Ethernet Managed Switch User Manual Rear Panel Description The rear panel of the Switch contains an AC power connector. Figure 1- 6. Rear panel view of the DES-3526 Figure 1- 7. Rear panel view of the DES-3550 The AC power connector is a standard three-pronged connector that supports the power - D-Link DES-3526 | Product Manual - Page 20
xStack® DES-3500 Series Layer 2 Stackable Fast Ethernet Managed Switch User Manual Figure 1- 10. Side panels of the DES-3550 Gigabit Combo Ports In addition to the 24 (or 48) 10/100 Mbps ports, the Switch features two Gigabit Ethernet Combo ports. These two ports are 1000BASE-T copper ports ( - D-Link DES-3526 | Product Manual - Page 21
xStack® DES-3500 Series Layer 2 Stackable Fast Ethernet Managed Switch User Manual Figure 1- 13. Installing the Mini-GBIC Module 6 - D-Link DES-3526 | Product Manual - Page 22
xStack® DES-3500 Series Layer 2 Stackable Fast Ethernet Managed Switch User Manual Installation SECTION 2 Package Contents Before You Connect to the Network Installing the Switch without the Rack Rack Installation Power On Package Contents Open the shipping carton of the Switch and carefully - D-Link DES-3526 | Product Manual - Page 23
xStack® DES-3500 Series Layer 2 Stackable Fast Ethernet Managed Switch User Manual Installing the Switch without the Rack When installing the Switch on a desktop or shelf, the rubber feet included with the Switch should first be attached. Attach these cushioning feet on the bottom at each corner of - D-Link DES-3526 | Product Manual - Page 24
xStack® DES-3500 Series Layer 2 Stackable Fast Ethernet Managed Switch User Manual Installing the Switch in a Rack The Switch can be mounted in a standard 19" rack. Use the following diagrams to guide you. Figure 2- 3. Fasten mounting brackets to the DES-3526 Figure 2- 4. Fasten mounting brackets to - D-Link DES-3526 | Product Manual - Page 25
xStack® DES-3500 Series Layer 2 Stackable Fast Ethernet Managed Switch User Manual Mounting the Switch in a Standard 19" Rack CAUTION: Installing systems in a rack without over and may result in injury. Figure 2- 5. Installing the DES-3526 in a rack Figure 2- 6. Installing the DES-3550 in a rack 10 - D-Link DES-3526 | Product Manual - Page 26
reset of the system. Power Failure As a precaution for AC power supply units, in the event of a power failure, unplug the Switch. When power has resumed, plug the Switch back in. Connecting DC Power to DES-3526DC Follow the instructions below to connect the DC power supply of the DES-3526DC to a DC - D-Link DES-3526 | Product Manual - Page 27
xStack® DES-3500 Series Layer 2 Stackable Fast Ethernet Managed Switch User Manual Connecting the Switch Section 3 Switch to End Node Switch to Hub or Switch Connecting To Network Backbone or Server NOTE: All 24 (48 for the DES-3550) high-performance NWay Ethernet ports can support both MDI-II - D-Link DES-3526 | Product Manual - Page 28
xStack® DES-3500 Series Layer 2 Stackable Fast Ethernet Managed Switch User Manual Switch to Hub or Switch These connections can be accomplished in a number of ways using a normal cable. • A 10BASE-T hub or switch can be connected to the Switch via a twisted-pair Category 3, 4 or 5 UTP/STP cable. • - D-Link DES-3526 | Product Manual - Page 29
xStack® DES-3500 Series Layer 2 Stackable Fast Ethernet Managed Switch User Manual Connecting To Network Backbone or Server The two Mini-GBIC combo ports are ideal for unlinking to a network backbone or server. The copper ports operate at a speed of 1000, 100 or 10Mbps in full or half duplex mode. - D-Link DES-3526 | Product Manual - Page 30
xStack® DES-3500 Series Layer 2 Stackable Fast Ethernet Managed Switch User Manual Section 4 Introduction to Switch Management Management Options Web-based Management Interface SNMP-Based Management Managing User Accounts Command Line Console Interface through the Serial Port Connecting the Console - D-Link DES-3526 | Product Manual - Page 31
xStack® DES-3500 Series Layer 2 Stackable Fast Ethernet Managed Switch User Manual To connect a terminal to the console port: 1. Connect the female connector of the RS-232 cable directly to the console port on the Switch, and tighten the captive retaining screws. 2. Connect the other end of the - D-Link DES-3526 | Product Manual - Page 32
xStack® DES-3500 Series Layer 2 Stackable Fast Ethernet Managed Switch User Manual First Time Connecting to the Switch The Switch supports user-based security that can allow you to prevent unauthorized users from accessing the Switch or changing its settings. This section tells how to log onto the - D-Link DES-3526 | Product Manual - Page 33
xStack® DES-3500 Series Layer 2 Stackable Fast Ethernet Managed Switch User Manual • Successful creation of the new administrator account will be verified by a Success message. NOTE: Passwords are case sensitive. User names and passwords can be up to 15 characters in length. The sample below - D-Link DES-3526 | Product Manual - Page 34
xStack® DES-3500 Series Layer 2 Stackable Fast Ethernet Managed Switch User Manual SNMP Settings Simple Network Management Protocol (SNMP) is an OSI Layer 7 (Application Layer) designed specifically for managing and monitoring network devices. SNMP enables network management stations to read and - D-Link DES-3526 | Product Manual - Page 35
IP address and subnet mask, and then be used to connect a management station to the Switch's Telnet or Web-based management agent. NOTICE: In case of lost passwords or password corruption, please refer to the D-Link website and the White Paper entitled "Password Recovery Procedure", which will guide - D-Link DES-3526 | Product Manual - Page 36
xStack® DES-3500 Series Layer 2 Stackable Fast Ethernet Managed Switch User Manual Figure 4- 5. Assigning the Switch an IP Address In the above example, the Switch was assigned an IP address of 10.41.44.254 with a subnet mask of 255.0.0.0. The system message Success indicates that the command was - D-Link DES-3526 | Product Manual - Page 37
the device. The URL in the address bar should read something like: http://123.123.123.123, where the numbers 123 represent the IP address of the Switch. NOTE: The Factory default IP address for the Switch is 10.90.90.90. This opens the management module's user authentication window, as seen below - D-Link DES-3526 | Product Manual - Page 38
xStack® DES-3500 Series Layer 2 Stackable Fast Ethernet Managed Switch User Manual Figure 5- 1. Enter Network Password window Leave both the User Name field and the Password field blank and click OK. This will open the Web-based user interface. The Switch management features available in the web- - D-Link DES-3526 | Product Manual - Page 39
a user name and password to access the Switch's management mode. Below is a list and description of the main folders available in the web interface: Configuration - Contains windows concerning configurations for Switch Information, IP Address, Advanced Settings, Port Configuration, Port Description - D-Link DES-3526 | Product Manual - Page 40
xStack® DES-3500 Series Layer 2 Stackable Fast Ethernet Managed Switch User Manual Configuring the Switch Section 6 Switch Information IP Address Advanced Settings Port Configuration Port Description Port Mirroring Link Aggregation LACP Port Setting MAC Notification IGMP Spanning Tree Forward - D-Link DES-3526 | Product Manual - Page 41
xStack® DES-3500 Series Layer 2 Stackable Fast Ethernet Managed Switch User Manual Switch Information The subsections below describe how to change some of the basic settings for the Switch such as changing IP settings and assigning user names and passwords for management access privileges, as well - D-Link DES-3526 | Product Manual - Page 42
configured on the Switch, you will need to enter the VLAN ID of the VLAN that contains the port connected to the management station that will access the Switch. The Switch will allow management access from stations with the same VID listed here. NOTE: The Switch's factory default IP address - D-Link DES-3526 | Product Manual - Page 43
Default Gateway VLAN Name Admin State Auto Config State xStack® DES-3500 Series Layer 2 Stackable Fast Ethernet Managed Switch User Manual 255.255.255.0 for a Class C network, but custom subnet masks are allowed. IP address that determines where packets with a destination address outside the - D-Link DES-3526 | Product Manual - Page 44
xStack® DES-3500 Series Layer 2 Stackable Fast Ethernet Managed Switch User Manual NOTICE: In case of lost passwords or password corruption, please refer to the D-Link website and the White Paper entitled "Password Recovery Procedure", which will guide you through the steps necessary to resolve this - D-Link DES-3526 | Product Manual - Page 45
xStack® DES-3500 Series Layer 2 Stackable Fast Ethernet Managed Switch User Manual Advanced Settings The Switch Information (Advanced Settings) window contains the main settings for all major functions for the Switch. To view this window click, Configuration > Advanced Settings. Figure 6- 3. Switch - D-Link DES-3526 | Product Manual - Page 46
xStack® DES-3500 Series Layer 2 Stackable Fast Ethernet Managed Switch User Manual Number Link Aggregation Algorithm RMON Status 802.1x Status 802.1x Authentication Protocol Asymmetric VLAN Syslog Global State The "well-known" TCP port for the Web interface is 80. The algorithm that the Switch - D-Link DES-3526 | Product Manual - Page 47
xStack® DES-3500 Series Layer 2 Stackable Fast Ethernet Managed Switch User Manual Port Configuration This section contains information for configuring various attributes and properties for individual physical ports and Err-disabled Ports, including port speed and flow control. To display the - D-Link DES-3526 | Product Manual - Page 48
xStack® DES-3500 Series Layer 2 Stackable Fast Ethernet Managed Switch User Manual between Auto, Normal or Cross. Auto will automatically switch to the proper configuration once a cable is connected. Normal will be selected if a straight-through cable is being used and Cross should be selected if a - D-Link DES-3526 | Product Manual - Page 49
xStack® DES-3500 Series Layer 2 Stackable Fast Ethernet Managed Switch User Manual Port Description The DES-3500 Series switches support a port description feature where the user may name various ports on the Switch. To assign names to various ports, click Configuration > Port Description: Figure 6- - D-Link DES-3526 | Product Manual - Page 50
xStack® DES-3500 Series Layer 2 Stackable Fast Ethernet Managed Switch User Manual Port Mirroring The Switch allows you to copy frames transmitted and received on a port and redirect the copies to another port. You can attach a monitoring device to the mirrored port, such as a sniffer or an RMON - D-Link DES-3526 | Product Manual - Page 51
xStack® DES-3500 Series Layer 2 Stackable Fast Ethernet Managed Switch User Manual Link Aggregation Understanding Port Trunk Groups Port trunk groups are used to combine a number of ports together to make a single high-bandwidth data pipeline. The DES-3500 Series switches support up to six port - D-Link DES-3526 | Product Manual - Page 52
xStack® DES-3500 Series Layer 2 Stackable Fast Ethernet Managed Switch User Manual The Switch treats all ports in a trunk group as a single port. Data transmitted to a specific host (destination address) will always be transmitted over the same port in a trunk group. This allows packets in a data - D-Link DES-3526 | Product Manual - Page 53
xStack® DES-3500 Series Layer 2 Stackable Fast Ethernet Managed Switch User Manual Figure 6- 10. Link Aggregation Settings window - Modify The user-changeable parameters are as follows: Parameter Description Group ID State Master Port Member Ports Flooding Port Active Port Type Select an ID - D-Link DES-3526 | Product Manual - Page 54
xStack® DES-3500 Series Layer 2 Stackable Fast Ethernet Managed Switch User Manual LACP Port Setting The LACP Port Setting window is used in conjunction with the Link Aggregation window to create port trunking groups on the Switch. Using the following window, the user may set which ports will be - D-Link DES-3526 | Product Manual - Page 55
xStack® DES-3500 Series Layer 2 Stackable Fast Ethernet Managed Switch User Manual dynamically, one end of the connection must have "active" LACP ports (see above). After setting the previous parameters, click Apply to allow your changes to be implemented. The LACP Port Table shows which ports are - D-Link DES-3526 | Product Manual - Page 56
xStack® DES-3500 Series Layer 2 Stackable Fast Ethernet Managed Switch User Manual MAC Notification Port Settings To change MAC notification settings for a port or group of ports on the Switch, click Configuration > MAC Notification > MAC Notification Port Settings, which will display the following - D-Link DES-3526 | Product Manual - Page 57
(see Advanced Settings). You may then fine-tune the settings for each VLAN using the IGMP Snooping link in the Configuration folder. When enabled for IGMP snooping, the Switch can open or close a port to a specific multicast group member based on IGMP messages sent from the device to the IGMP host - D-Link DES-3526 | Product Manual - Page 58
xStack® DES-3500 Series Layer 2 Stackable Fast Ethernet Managed Switch User Manual The following parameters may be viewed or modified: Parameter Description VLAN ID VLAN Name Query Interval Max Response Time Robustness Variable Last Member Query Interval Host Timeout Router Timeout Leave Timer - D-Link DES-3526 | Product Manual - Page 59
xStack® DES-3500 Series Layer 2 Stackable Fast Ethernet Managed Switch User Manual Static Router Ports Entry A static router port is a port that has a multicast router attached to it. Generally, this router would have a connection to a WAN or to the Internet. Establishing a router port will allow - D-Link DES-3526 | Product Manual - Page 60
xStack® DES-3500 Series Layer 2 Stackable Fast Ethernet Managed Switch User Manual Forbidden Router Ports Entry The Forbidden Router Ports Entry section will allow users to set a port or group of ports belonging to a VLAN as being forbidden from receiving information from or being connected to - D-Link DES-3526 | Product Manual - Page 61
router. This creates a problem for sending multicasts across separate VLANs. The DES-3526 addresses this need by allowing the Switch to create a special network-wide shared VLANs used for multicasting. This allows each port to be in separate VLANs while using the special VLAN for multicast streams - D-Link DES-3526 | Product Manual - Page 62
that can be up to 32 characters. Up to 3 multicast VLANs can be configured. Replace Source IP Enter a source IP address that you want to replace. With State The user may enable or disable this VLAN using the pull down menu here. Source Port A port on the Switch to be designated as the source - D-Link DES-3526 | Product Manual - Page 63
xStack® DES-3500 Series Layer 2 Stackable Fast Ethernet Managed Switch User Manual Source Port Member Port A port on the Switch to be designated as the source port for multicast traffic. Multicast traffic entering the switch will be forwarded from this port to member ports on the same VLAN. Note - D-Link DES-3526 | Product Manual - Page 64
xStack® DES-3500 Series Layer 2 Stackable Fast Ethernet Managed Switch User Manual Spanning Tree This Switch supports MST Configuration Table window when configuring an MSTI ID settings). 3. VLANs that will Port Transition States An essential difference between the three protocols is in the way ports - D-Link DES-3526 | Product Manual - Page 65
xStack® DES-3500 Series Layer 2 Stackable Fast Ethernet Managed Switch User Manual 802.1d MSTP Discarding Discarding - it no longer relies on timer configurations - RSTP compliant bridges are sensitive to feedback from other RSTP compliant bridge links. Ports do not need to wait for the topology - D-Link DES-3526 | Product Manual - Page 66
xStack® DES-3500 Series Layer 2 Stackable Fast Ethernet Managed Switch User Manual STP Bridge Global Settings To view the STP Bridge Global Settings, click Configuration > Spanning Tree > STP Bridge Global Settings. Figure 6- 23. STP Bridge Global Settings window - STP 51 - D-Link DES-3526 | Product Manual - Page 67
xStack® DES-3500 Series Layer 2 Stackable Fast Ethernet Managed Switch User Manual Figure 6- 24. STP Bridge Global Settings window - RSTP (default) Figure 6- 25. STP Bridge Global Settings window - MSTP 52 - D-Link DES-3526 | Product Manual - Page 68
xStack® DES-3500 Series Layer 2 Stackable Fast Ethernet Managed Switch User Manual NOTE: The Hello Time cannot be longer than the Max. Age. Otherwise, a configuration error will occur. Observe the following formulas when setting the above parameters: Max. Age ≤ 2 x (Forward Delay - 1 second) Max. - D-Link DES-3526 | Product Manual - Page 69
xStack® DES-3500 Series Layer 2 Stackable Fast Ethernet Managed Switch User Manual MST Configuration Table The following screens in the MST Configuration Table window allow the user to configure a MSTI instance on the Switch. These settings will uniquely identify a multiple spanning tree instance - D-Link DES-3526 | Product Manual - Page 70
xStack® DES-3500 Series Layer 2 Stackable Fast Ethernet Managed Switch User Manual VID List (1-4094) Priority (0-61440) This field is used to specify the VID range from configured VLANs set on the Switch. Supported VIDs on the Switch range from ID number 1 to 4094. Select a value between 0 and - D-Link DES-3526 | Product Manual - Page 71
xStack® DES-3500 Series Layer 2 Stackable Fast Ethernet Managed Switch User Manual Type This field allows the user to choose a desired method for altering the MSTI settings. The user from configured VLANs set on the Switch that the user wishes to add to this MSTI ID. Supported VIDs on the Switch - D-Link DES-3526 | Product Manual - Page 72
xStack® DES-3500 Series Layer 2 Stackable Fast Ethernet Managed Switch User Manual Description Instance ID Internal cost (0=Auto) Displays the MSTI ID of the instance being configured. An entry of 0 in this field denotes the CIST (default set the priority for the port interface. A higher priority - D-Link DES-3526 | Product Manual - Page 73
xStack® DES-3500 Series Layer 2 Stackable Fast Ethernet Managed Switch User Manual Figure 6- 33. STP Instance Operational Status 58 - D-Link DES-3526 | Product Manual - Page 74
xStack® DES-3500 Series Layer 2 Stackable Fast Ethernet Managed Switch User Manual MSTP Port Information STP can be set up on a port per port basis. To view the following window click Configuration > Spanning Tree > MSTP Port Information: Figure 6- 34. STP Port Settings window In addition to setting - D-Link DES-3526 | Product Manual - Page 75
xStack® DES-3500 Series Layer 2 Stackable Fast Ethernet Managed Switch User Manual NOTE: If you want to enable Forwarding BPDU on a per port basis, the following settings must first be in effect: 1. STP must be globally disabled and 2. Forwarding BPDU must be globally enabled. These are the default - D-Link DES-3526 | Product Manual - Page 76
xStack® DES-3500 Series Layer 2 Stackable Fast Ethernet Managed Switch User Manual is globally enabled (See STP Bridge Global Settings above). hw_filtering is an option that is only required by some legacy chipsets, which cannot support per L2 protocol packet control. When the state is set to - D-Link DES-3526 | Product Manual - Page 77
xStack® DES-3500 Series Layer 2 Stackable Fast Ethernet Managed Switch User Manual Loopback Detection This feature is used to temporarily shutdown a port on the Switch when a CTP (Configuration Testing Protocol) packet has been looped back to the switch. When the Switch detects CTP packets are - D-Link DES-3526 | Product Manual - Page 78
DES-3500 Series Layer 2 Stackable Fast Ethernet Managed Switch User Manual The following parameters can be set: Parameter Description Loopback Detection Global Settings Loopback Detection Status Use the pull-down menu to enable or disable Loopback Detection globally on the Switch. The default - D-Link DES-3526 | Product Manual - Page 79
xStack® DES-3500 Series Layer 2 Stackable Fast Ethernet Managed Switch User Manual Multicast Forwarding The following figure and table describe how to set up Multicast Forwarding on the Switch. To view this window click, Configuration > Forwarding Filtering > Multicast Forwarding: Figure 6- 37. - D-Link DES-3526 | Product Manual - Page 80
xStack® DES-3500 Series Layer 2 Stackable Fast Ethernet Managed Switch User Manual Multicast Port Filtering Mode The following figure and table describe how to set up multicast forwarding on the Switch. To view this window click, Configuration > Forwarding Filtering > Multicast Port Filtering Mode - D-Link DES-3526 | Product Manual - Page 81
xStack® DES-3500 Series Layer 2 Stackable Fast Ethernet Managed Switch User Manual • Forward All Groups - This will instruct the Switch to forward a multicast packet to all multicast groups residing within the range of ports specified above. • Forward Unregistered Groups - This will instruct the - D-Link DES-3526 | Product Manual - Page 82
VLANs xStack® DES-3500 Series Layer 2 Stackable Fast Ethernet Managed Switch User Manual Understanding IEEE 802.1p Priority Priority tagging is a function defined by the IEEE 802.1p standard designed to provide a means of managing traffic on a network where many different types of data may be - D-Link DES-3526 | Product Manual - Page 83
xStack® DES-3500 Series Layer 2 Stackable Fast Ethernet Managed Switch User Manual IEEE 802.1Q (tagged) VLANs are implemented on the Switch. 802.1Q VLANs require tagging, which enables them to span the entire network (assuming all switches on the network are IEEE 802.1Q-compliant). VLANs allow a - D-Link DES-3526 | Product Manual - Page 84
xStack® DES-3500 Series Layer 2 Stackable Fast Ethernet Managed Switch User Manual 802.1Q VLAN Tags The figure below shows the 802.1Q VLAN tag. There are four additional octets inserted after the source MAC address. Their presence is indicated by a value of 0x8100 in the EtherType field. When a - D-Link DES-3526 | Product Manual - Page 85
xStack® DES-3500 Series Layer 2 Stackable Fast Ethernet Managed Switch User Manual Unfortunately, not all network devices are 802.1Q compliant. These devices are referred to as tag-unaware. 802.1Q devices are referred to as tag-aware. Prior to the adoption of 802.1Q VLANs, port-based and MAC-based - D-Link DES-3526 | Product Manual - Page 86
xStack® DES-3500 Series Layer 2 Stackable Fast Ethernet Managed Switch User Manual NOTE: If no VLANs are configured on the Switch, then all packets will be forwarded to any destination port. Packets with unknown source addresses will be flooded to all ports. Broadcast and multicast packets will - D-Link DES-3526 | Product Manual - Page 87
Fast Ethernet Managed Switch User Manual Asymmetric VLANs The xStack® DES-3500 Switch Series has the capability to create and utilize Asymmetric VLANs on the Switch. Asymmetric VLANs allow devices to transmit packets on one VLAN and receive it on another VLAN. This configuration is accomplished - D-Link DES-3526 | Product Manual - Page 88
xStack® DES-3500 Series Layer 2 Stackable Fast Ethernet Managed Switch User Manual VLAN and Trunk Groups The members of a trunk group have the same VLAN setting. Any VLAN setting on the members of a trunk group will apply to the other member ports. NOTE: In order to use VLAN segmentation in - D-Link DES-3526 | Product Manual - Page 89
xStack® DES-3500 Series Layer 2 Stackable Fast Ethernet Managed Switch User Manual Figure 6- 45. 802.1Q Static VLAN window - Add To return to the Current 802.1Q Static VLANs Entries window, click the Show All Static VLAN Entries link. To change an existing 802.1Q VLAN entry, click the Modify button - D-Link DES-3526 | Product Manual - Page 90
xStack® DES-3500 Series Layer 2 Stackable Fast Ethernet Managed Switch User Manual NOTE: The Switch supports up to 255 static VLAN entries. Figure 6- 47. 802.1Q Static VLAN window - Modify The following fields can then be set in either the Add or Modify 802.1Q Static VLANs windows: Parameter - D-Link DES-3526 | Product Manual - Page 91
xStack® DES-3500 Series Layer 2 Stackable Fast Ethernet Managed Switch User Manual GVRP Setting The 802.1Q Port Settings window, shown below, allows you to determine whether the Switch will share its VLAN configuration information with other GARP VLAN Registration Protocol (GVRP) enabled switches. - D-Link DES-3526 | Product Manual - Page 92
xStack® DES-3500 Series Layer 2 Stackable Fast Ethernet Managed Switch User Manual Click Apply to implement changes made. Traffic Control On a computer network, packets such as Multicast packets and Broadcast packets continually flood the network as normal - D-Link DES-3526 | Product Manual - Page 93
xStack® DES-3500 Series Layer 2 Stackable Fast Ethernet Managed Switch User Manual Figure 6- 49. Traffic Control Setting window 78 - D-Link DES-3526 | Product Manual - Page 94
until the user manually resets the port using the config ports enable command or waits for 5 mins to let the Shutdown Forever mode enter AutoRecovery. Choosing this option obligates the user to configure the Interval setting as well, which will provide packet count samplings from the Switch's chip - D-Link DES-3526 | Product Manual - Page 95
xStack® DES-3500 Series Layer 2 Stackable Fast Ethernet Managed Switch User Manual NOTE: Ports that are in the Shutdown forever mode will be seen as Discarding in Spanning Tree windows and implementations though these ports will still be forwarding BPDUs to the Switch's CPU. NOTE: Ports that are in - D-Link DES-3526 | Product Manual - Page 96
xStack® DES-3500 Series Layer 2 Stackable Fast Ethernet Managed Switch User Manual Port Security A given port's (or a range of ports') dynamic MAC address learning can be locked such that the current source MAC addresses entered into the MAC address forwarding table can not be changed once the port - D-Link DES-3526 | Product Manual - Page 97
QoS xStack® DES-3500 Series Layer 2 Stackable Fast Ethernet Managed Switch User Manual The DES-3500 Series switches supports 802.1p priority queuing Quality of Service. The following section discusses the implementation of QoS (Quality of Service) and benefits of using 802.1p priority queuing. - D-Link DES-3526 | Product Manual - Page 98
xStack® DES-3500 Series Layer 2 Stackable Fast Ethernet Managed Switch User Manual Understanding QoS The Switch has four priority queues. These priority queues are labeled as 3, the high queue to 0, the lowest queue. The eight priority tags, specified in IEEE 802.1p are mapped to the Switch's - D-Link DES-3526 | Product Manual - Page 99
xStack® DES-3500 Series Layer 2 Stackable Fast Ethernet Managed Switch User Manual Port Bandwidth The bandwidth control settings are used to place a ceiling on the transmitting and receiving data rates for any selected port. Click Configuration > QoS > Port Bandwidth, to view the window shown below. - D-Link DES-3526 | Product Manual - Page 100
xStack® DES-3500 Series Layer 2 Stackable Fast Ethernet Managed Switch User Manual No Limit Rate Effective Rx rate Effective Tx rate receiving and transmitting packets. This drop-down menu allows you to specify that the selected port are not suitable. Click, Configuration > QoS > Scheduling to - D-Link DES-3526 | Product Manual - Page 101
xStack® DES-3500 Series Layer 2 Stackable Fast Ethernet Managed Switch User Manual 802.1p Default Priority The Switch allows the assignment of a default 802.1p priority to each port on the Switch. This window allows you to assign a default 802.1p priority to any given port on the Switch. The - D-Link DES-3526 | Product Manual - Page 102
xStack® DES-3500 Series Layer 2 Stackable Fast Ethernet Managed Switch User Manual Traffic Segmentation Traffic segmentation is used to limit traffic flow from a single port to a group of ports on either a single switch (in standalone mode) or a group of ports on another switch in a switch stack ( - D-Link DES-3526 | Product Manual - Page 103
xStack® DES-3500 Series Layer 2 Stackable Fast Ethernet Managed Switch User Manual System Severity Alerts The Switch can be configured to allow alerts be -down menu. Select log to send the alert of the Severity Type configured to the Switch's log for analysis. Choose trap to send it to an SNMP agent - D-Link DES-3526 | Product Manual - Page 104
xStack® DES-3500 Series Layer 2 Stackable Fast Ethernet Managed Switch User Manual Figure 6- 59. System Log Server window - Add The following parameters can be set: Parameter Description Index Server IP Severity Facility Syslog server settings index (1-4). The IP address of the Syslog server. - D-Link DES-3526 | Product Manual - Page 105
xStack® DES-3500 Series Layer 2 Stackable Fast Ethernet Managed Switch User Manual 0 kernel messages 1 user-level messages 2 mail system 3 system daemons 4 security/authorization messages 5 messages generated internally by syslog line printer subsystem 7 network news subsystem 8 UUCP - D-Link DES-3526 | Product Manual - Page 106
xStack® DES-3500 Series Layer 2 Stackable Fast Ethernet Managed Switch User Manual SNTP. This is the IP address of the primary server the SNTP information will be taken from. This is the IP address of the secondary server the configure time zones and Daylight Savings time settings for SNTP. Click - D-Link DES-3526 | Product Manual - Page 107
xStack® DES-3500 Series Layer 2 Stackable Fast Ethernet Managed Switch User Manual Figure 6- 61. Time Zone and DST Settings window The following parameters can be set: Parameter Description Time Zone and DST Settings Daylight Saving Time State - D-Link DES-3526 | Product Manual - Page 108
xStack® DES-3500 Series Layer 2 Stackable Fast Ethernet Managed Switch User Manual HH:MM To: Which Day Enter the week of the month the DST will end. To: Day of Week Enter the day of the week - D-Link DES-3526 | Product Manual - Page 109
xStack® DES-3500 Series Layer 2 Stackable Fast Ethernet Managed Switch User Manual Figure 6- 62. Access Profile Table window All free ACL rules will be listed in the Free ACL Rules Table as above. To add an entry - D-Link DES-3526 | Product Manual - Page 110
xStack® DES-3500 Series Layer 2 Stackable Fast Ethernet Managed Switch User Manual a limit to the total number of profiles that can be created. Type VLAN Select profile based on Ethernet (MAC Address), IP address or packet content mask. This will change the menu according to the requirements for - D-Link DES-3526 | Product Manual - Page 111
xStack® DES-3500 Series Layer 2 Stackable Fast Ethernet Managed Switch User Manual Figure 6- 64. Access Profile Configuration window (IP) The following parameters can be set, for IP: Parameter Description Profile ID (1-255) Type Type in a unique identifier number for this profile set. The - D-Link DES-3526 | Product Manual - Page 112
xStack® DES-3500 Series Layer 2 Stackable Fast Ethernet Managed Switch User Manual VLAN Selecting this option instructs the Switch to examine the VLAN part of each packet header and use this as the, or part of the criterion for forwarding. Source IP Mask Enter an IP address mask for the source - D-Link DES-3526 | Product Manual - Page 113
xStack® DES-3500 Series Layer 2 Stackable Fast Ethernet Managed Switch User Manual Figure 6- 65. Access Profile Configuration window (Packet Content Mask) This screen will aid the user in Switch to mask packet headers beginning with the offset value specified. The following fields are used to - D-Link DES-3526 | Product Manual - Page 114
xStack® DES-3500 Series Layer 2 Stackable Fast Ethernet Managed Switch User Manual packet to the 16th byte. • value (16-31) - Enter 6- 66. Access Profile Table window To establish a rule for a previously configured Access Profile click the corresponding Add button under the Access Rule heading in the - D-Link DES-3526 | Product Manual - Page 115
xStack® DES-3500 Series Layer 2 Stackable Fast Ethernet Managed Switch User Manual Figure 6- 68. Access Rule Configuration window (IP) Configure the following Access Rule Configuration settings: Parameter Description Profile ID Mode Access ID Type Priority (0-7) This is the identifier number - D-Link DES-3526 | Product Manual - Page 116
Managed Switch User Manual Replace DSCP (0-63) Select this option to instruct the Switch to replace the DSCP value (in a packet that meets the selected criteria) with the value entered in the adjacent field. VLAN Name Allows the entry of a name for a previously configured VLAN. Source IP - D-Link DES-3526 | Product Manual - Page 117
xStack® DES-3500 Series Layer 2 Stackable Fast Ethernet Managed Switch User Manual Figure 6- 70. Access Rule Table To configure the ACL Flow Meter settings click the Configure button under the Flow Meter heading of the Access Rule Table. These settings are used to limit the bandwidth of the ingress - D-Link DES-3526 | Product Manual - Page 118
xStack® DES-3500 Series Layer 2 Stackable Fast Ethernet Managed Switch User Manual To configure the Access Rule for Ethernet, open the Access Profile Table and click Modify for an Ethernet entry. This will open the following window: Figure 6- 73. Access Rule Table window (Ethernet) The user may - D-Link DES-3526 | Product Manual - Page 119
of each packet header. • IP instructs the Switch to examine the IP address in each frame's header. • Packet Content Mask instructs the Switch to examine the packet header Priority (0-7) Replace Dscp with (0-63) VLAN Name Source MAC Destination MAC 802.1p (0-7) Ethernet Type Port Number Time Range - D-Link DES-3526 | Product Manual - Page 120
xStack® DES-3500 Series Layer 2 Stackable Fast Ethernet Managed Switch User Manual Figure 6- 75. Access Rule Display window (Ethernet) To return to the Access Rule Table, click the hyperlinked Show All Access Rule Entries. Figure 6- 76. Access Rule Table To configure the ACL Flow Meter settings - D-Link DES-3526 | Product Manual - Page 121
xStack® DES-3500 Series Layer 2 Stackable Fast Ethernet Managed Switch User Manual Figure 6- 77 ACL Meter Setting window (Configuration) To return will be displayed. Figure 6- 78 Flow Meter Table window (Display) To configure the Access Rule for Packet Content Mask, open the Access Profile Table and - D-Link DES-3526 | Product Manual - Page 122
xStack® DES-3500 Series Layer 2 Stackable Fast Ethernet Managed Switch User Manual To remove a previously created rule, select it and click the button. Access rules are indexed using the Access ID number. To locate a specific Rule Configuration menu. Figure 6- 80. Access Rule Configuration window - D-Link DES-3526 | Product Manual - Page 123
xStack® DES-3500 Series Layer 2 Stackable Fast Ethernet Managed Switch User Manual Mode Access ID Type Priority (0-7) Replace Dscp (063) Offset Port Number Time Range Select Permit to specify that the Switch, according to any additional rule, forwards the packets that match the access profile - D-Link DES-3526 | Product Manual - Page 124
xStack® DES-3500 Series Layer 2 Stackable Fast Ethernet Managed Switch User Manual Figure 6- 81. Access Rule Display window (Packet Content) To return to the Access Rule Table, click the hyperlinked Show All Access Rule Entries. 109 - D-Link DES-3526 | Product Manual - Page 125
xStack® DES-3500 Series Layer 2 Stackable Fast Ethernet Managed Switch User Manual Figure 6- 82. Access Rule Table To configure the ACL Flow Meter settings click the Configure button under the Flow Meter heading of the Access Rule Table. These settings are used to limit the bandwidth of the ingress - D-Link DES-3526 | Product Manual - Page 126
xStack® DES-3500 Series Layer 2 Stackable Fast Ethernet Managed Switch User Manual ACL Flow Meter ACL Flow Metering Table is a per flow bandwidth control used to limit the bandwidth of the ingress traffic. When the users create an ACL rule to filter packets, a metering rule can be created to - D-Link DES-3526 | Product Manual - Page 127
2 Stackable Fast Ethernet Managed Switch User Manual CPU Interface Filtering Due to a chipset limitation and the need for extra switch security, the xStack® DES-3500 Series switches incorporate CPU Interface filtering. This added feature increases the running security of the Switch by enabling the - D-Link DES-3526 | Product Manual - Page 128
xStack® DES-3500 Series Layer 2 Stackable Fast Ethernet Managed Switch User Manual Figure 6- 88. CPU Interface Filtering Profile Configuration window for Ethernet The following fields may be modified: Parameter Description Profile ID (1-5) Type VLAN Source MAC Destination MAC 802.1p Ethernet - D-Link DES-3526 | Product Manual - Page 129
xStack® DES-3500 Series Layer 2 Stackable Fast Ethernet Managed Switch User Manual The page shown below is the CPU Interface Filtering Profile Configuration for IP page. Figure 6- 89. CPU Interface Filtering Profile Configuration window for IP The following parameters can be modified: Parameter - D-Link DES-3526 | Product Manual - Page 130
xStack® DES-3500 Series Layer 2 Stackable Fast Ethernet Managed Switch User Manual Source IP Mask Destination IP Mask DSCP Protocol Enter an IP address mask for the source IP address. Enter an IP address mask for the destination IP address. Selecting this option instructs the Switch to examine the - D-Link DES-3526 | Product Manual - Page 131
xStack® DES-3500 Series Layer 2 Stackable Fast Ethernet Managed Switch User Manual Figure 6- 90. CPU Interface Filtering Profile Configuration window for Packet Content Mask This screen will aid the user in configuring the Switch to mask packet headers beginning with the offset value specified. - D-Link DES-3526 | Product Manual - Page 132
xStack® DES-3500 Series Layer 2 Stackable Fast Ethernet Managed Switch User Manual packet to the CPU Interface Filtering Rule Table window. A new window, for Ethernet, IP and Packet Content will open as shown in the examples below. To change configuration page for the Ethernet Rule. to delete. 117 - D-Link DES-3526 | Product Manual - Page 133
xStack® DES-3500 Series Layer 2 Stackable Fast Ethernet Managed Switch User Manual Figure 6- 93. CPU Interface filtering rule Configuration window for Ethernet To set the CPU Access Rule for Ethernet, adjust the following parameters and click Apply. Parameters Description Profile ID Mode Access - D-Link DES-3526 | Product Manual - Page 134
xStack® DES-3500 Series Layer 2 Stackable Fast Ethernet Managed Switch User Manual To view the settings of a previously configured rule, click screen: in the CPU Interface Filtering Rule Table to view the following Figure 6- 94. CPU Interface Filtering Rule Display for Ethernet The following - D-Link DES-3526 | Product Manual - Page 135
xStack® DES-3500 Series Layer 2 Stackable Fast Ethernet Managed Switch User Manual Configure the following CPU Interface Filtering Rule Configuration settings for IP: Parameter Description Profile ID Mode Access ID Type VLAN Name Source IP Destination IP Dscp (0-63) Protocol This is the - D-Link DES-3526 | Product Manual - Page 136
xStack® DES-3500 Series Layer 2 Stackable Fast Ethernet Managed Switch User Manual The following window is the CPU Interface Filtering Rule Configuration for Packet Content. Figure 6- 97. CPU Interface Filtering Rule Configuration by the Switch, according to not forwarded by the Switch and will be - D-Link DES-3526 | Product Manual - Page 137
Offset xStack® DES-3500 Series Layer 2 Stackable Fast Ethernet Managed Switch User Manual • Ethernet instructs the Switch to examine the layer 2 part of each packet header. • IP instructs the Switch to examine the IP address in each frame's header. • Packet Content Mask instructs the Switch to - D-Link DES-3526 | Product Manual - Page 138
) and storage size of the device. For the xStack® DES-3500 Series switches, the maximum number of IP-MAC Binding entries is 512. The creation of authorized users can be manually configured by CLI or Web. The function is port-based, meaning a user can enable or disable the function on the individual - D-Link DES-3526 | Product Manual - Page 139
xStack® DES-3500 Series Layer 2 Stackable Fast Ethernet Managed Switch User Manual To view the particular configurations associated with these two entries, click their corresponding hyperlinked Profile IDs, which will display the following: Figure 6- 101. Access Profile Entry Display for IP-MAC ACL - D-Link DES-3526 | Product Manual - Page 140
xStack® DES-3500 Series Layer 2 Stackable Fast Ethernet Managed Switch User Manual NOTE: When configuring the ACL mode function of the IP-MAC problems. The user may view the configurations on a port-by-port basis by clicking the View button under the Display heading of the corresponding port - D-Link DES-3526 | Product Manual - Page 141
xStack® DES-3500 Series Layer 2 Stackable Fast Ethernet Managed Switch User Manual IP-MAC Binding Port This window is used to enable or disable IP-MAC binding on specific ports of the Switch. Select a port or a range of ports with the From and To fields. Enable or disable the port with the State - D-Link DES-3526 | Product Manual - Page 142
xStack® DES-3500 Series Layer 2 Stackable Fast Ethernet Managed Switch User Manual IP-MAC Binding Table The window shown below can be used to create IP-MAC binding entries. Enter the IP and MAC addresses of the authorized users in the appropriate fields and click Add. To modify either the IP address - D-Link DES-3526 | Product Manual - Page 143
xStack® DES-3500 Series Layer 2 Stackable Fast Ethernet Managed Switch User Manual IP-MAC Binding Blocked This window is used to view unauthorized devices that have been blocked by IP-MAC binding restrictions. To view this window click, Configuration > IP-MAC Binding > IP-MAC Binding Blocked. Figure - D-Link DES-3526 | Product Manual - Page 144
xStack® DES-3500 Series Layer 2 Stackable Fast Ethernet Managed Switch User Manual IP-MAC Binding Permit IP Pool This table is used to enable and view IP-MAC Binding Permit IP Pool entries on specific ports. To enable particular port settings, enter the port range and click Add. To modify a - D-Link DES-3526 | Product Manual - Page 145
xStack® DES-3500 Series Layer 2 Stackable Fast Ethernet Managed Switch User Manual Limited IP Multicast Range The Limited IP Multicast Range window allows the user to specify which multicast address(es) reports are to be received on specified ports on the switch. This function will therefore limit - D-Link DES-3526 | Product Manual - Page 146
xStack® DES-3500 Series Layer 2 Stackable Fast Ethernet Managed Switch User Manual Limited IP Multicast Range Status Setting After Multicast Range Profiles are created, you may start to configure the multicast address filtering function on a port or a range of ports by configuring the Limited IP - D-Link DES-3526 | Product Manual - Page 147
xStack® DES-3500 Series Layer 2 Stackable Fast Ethernet Managed Switch User Manual Click Apply to implement the configuration. Limited IP Multicast Range Setting The Limited IP Multicast Range Settings enables the user to configure the ports on the switch that will be involved in the Limited IP - D-Link DES-3526 | Product Manual - Page 148
xStack® DES-3500 Series Layer 2 Stackable Fast Ethernet Managed Switch User Manual Layer 3 IP Networking Static ARP Table The Address Resolution Protocol (ARP) is a TCP/IP protocol that converts IP addresses into physical addresses. This table allows network managers to view, define, modify and - D-Link DES-3526 | Product Manual - Page 149
xStack® DES-3500 Series Layer 2 Stackable Fast Ethernet Managed Switch User Manual Gratuitous ARP Settings An ARP announcement (also known as Gratuitous ARP) is a packet (usually an ARP Request) containing a valid SHA (Sender Hardware Address) and SPA (Sender Protocol Address) for the host which - D-Link DES-3526 | Product Manual - Page 150
xStack® DES-3500 Series Layer 2 Stackable Fast Ethernet Managed Switch User Manual Gratuitous ARP Learning This is used to enable/disable updating ARP cache based on the received gratuitous ARP packet. If a switch receives a gratuitous ARP packet and the sender's IP address in its ARP table, it - D-Link DES-3526 | Product Manual - Page 151
xStack® DES-3500 Series Layer 2 Stackable Fast Ethernet Managed Switch User Manual IP address of the relay agent (if the relay agent is configured the switch port that user to configure the Remote ID as any specific string. When the Remote ID state is set to Default, the switch's system MAC address - D-Link DES-3526 | Product Manual - Page 152
Series Layer 2 Stackable Fast Ethernet Managed Switch User Manual The Implementation of DHCP Information Option 82 in the xStack® DES-3500 Series switches The config dhcp_relay option_82 command configures the DHCP relay agent information option 82 setting of the switch. The formats for the circuit - D-Link DES-3526 | Product Manual - Page 153
DES-3500 Series Layer 2 Stackable Fast Ethernet Managed Switch User Manual DHCP/BOOTP Relay Interface Settings The DHCP/ BOOTP Relay Interface Settings allows the user to set up a server, by IP address, for relaying DHCP/ BOOTP information to the Switch. The user may enter a previously configured IP - D-Link DES-3526 | Product Manual - Page 154
xStack® DES-3500 Series Layer 2 Stackable Fast Ethernet Managed Switch User Manual DHCP Option 60 Settings The DHCP Option 60 Settings allows the Switch to monitor Option 60 contents of the DHCP client packets and determine which client packets to relay to the DHCP Server and which packets to - D-Link DES-3526 | Product Manual - Page 155
xStack® DES-3500 Series Layer 2 Stackable Fast Ethernet Managed Switch User Manual DHCP Option 61 Settings The DHCP Option 61 Settings allows the Switch to monitor Option 61 contents of the DHCP client packets and determine which client packets to relay to the DHCP Server and which packets to - D-Link DES-3526 | Product Manual - Page 156
xStack® DES-3500 Series Layer 2 Stackable Fast Ethernet Managed Switch User Manual DHCP Local Relay Settings The DHCP packets from Client to Server. To enable and configure DHCP Local Relay Global Settings on the Switch, click Configuration > Layer 3 IP Networking > DHCP/BOOTP Relay > DHCP Local - D-Link DES-3526 | Product Manual - Page 157
LLDP xStack® DES-3500 Series Layer 2 Stackable Fast Ethernet Managed Switch User Manual The Link Layer Discovery Protocol (LLDP) allows stations attached to an IEEE 802 LAN to advertise, to other stations attached to the same IEEE 802 LAN. The - D-Link DES-3526 | Product Manual - Page 158
xStack® DES-3500 Series Layer 2 Stackable Fast Ethernet Managed Switch User Manual Re Init Delay (110) The LLDP reinitialization delay interval is the minimum time that an LLDP port will wait before reinitializing after receiving an LLDP disable command. To change the LLDP Reinit Delay, enter a - D-Link DES-3526 | Product Manual - Page 159
xStack® DES-3500 Series Layer 2 Stackable Fast Ethernet Managed Switch User Manual Basic LLDP Port Settings To view this window, click Configuration > LLDP > Basic LLDP Port Settings Figure 6- 127. Basic LLDP Port Settings window The following parameters can be set: Parameter Description From - D-Link DES-3526 | Product Manual - Page 160
xStack® DES-3500 Series Layer 2 Stackable Fast Ethernet Managed Switch User Manual Capabilities Click Apply to implement changes made. 802.1 Extension LLDP Port Settings To view this window, click Configuration > LLDP > 802.1 Extension LLDP Port Settings Figure 6- 128. 802.1 Extension LLDP Port - D-Link DES-3526 | Product Manual - Page 161
xStack® DES-3500 Series Layer 2 Stackable Fast Ethernet Managed Switch User Manual From Port/To Use the drop-down menu to select a range of ports to be configured. Port VLAN ID Use the drop-down menu to Enable or Disable the advertise Port VLAN ID. VLAN Name Use the drop-down menu to Enable or - D-Link DES-3526 | Product Manual - Page 162
xStack® DES-3500 Series Layer 2 Stackable Fast Ethernet Managed Switch User Manual Parameter Description From Port/To Use the drop-down menu to select a range of ports to be configured. MAC/PHY Configuration Status Use the drop-down menu to configure the advertise MAC PHY status of the switch. - D-Link DES-3526 | Product Manual - Page 163
xStack® DES-3500 Series Layer 2 Stackable Fast Ethernet Managed Switch User Manual The following parameters can be set: Parameter Description Port From/To Use the drop-down menu to select a range of ports to be configured. Address Type/Address Enter the management ip address or the ip address - D-Link DES-3526 | Product Manual - Page 164
xStack® DES-3500 Series Layer 2 Stackable Fast Ethernet Managed Switch User Manual LLDP Management Address Table To view this window, Click Configuration > LLDP > LLDP Management Address Table Figure 6- 132. LLDP Management Address Table window Enter the IPv4 Address of the LLDP entry and click Find - D-Link DES-3526 | Product Manual - Page 165
Ethernet Managed Switch User Manual To view the information on a per port basis click the View (Normal) button, which will display the following window: Figure 6- 134. LLDP Local Port Information (Normal) window To view detailed information about MAC/PHY Configuration/Status or Link Aggregration - D-Link DES-3526 | Product Manual - Page 166
xStack® DES-3500 Series Layer 2 Stackable Fast Ethernet Managed Switch User Manual Figure 6- 135. LLDP Local Port Information (Detail) window To return to the LLDP Local Port Berif Information window, click the hyperlinked Show LLDP Local Port Berif Table, or to return to the Local Port Normal - D-Link DES-3526 | Product Manual - Page 167
xStack® DES-3500 Series Layer 2 Stackable Fast Ethernet Managed Switch User Manual LLDP Remote Port Information To view this window, click Configuration > LLDP > LLDP Remote Port Table Figure 6- 136. LLDP Remote Port Information window Select the port you wish to view by using the drop-down menu and - D-Link DES-3526 | Product Manual - Page 168
xStack® DES-3500 Series Layer 2 Stackable Fast Ethernet Managed Switch User Manual Security Management Section 7 Tustred Host User Accounts Port Access Entity Access Authentication Control Secure Sockets Layer (SSL) Secure Shell (SSH) SNMP Manager Safeguard Engine Settings Filter ARP Spoofing - D-Link DES-3526 | Product Manual - Page 169
xStack® DES-3500 Series Layer 2 Stackable Fast Ethernet Managed Switch User Manual Figure 7- 1. Trusted Host window User Accounts Use the User Account Management window to control user privileges. To view existing User Accounts, open the Security Management folder and click on the User Accounts link - D-Link DES-3526 | Product Manual - Page 170
xStack® DES-3500 Series Layer 2 Stackable Fast Ethernet Managed Switch User Manual Add a new user by typing in a User Name, and New Password and retype the same password in the Confirm New Password. Choose the level of privilege (Admin, Operator, or User) from the Access Right drop-down menu and - D-Link DES-3526 | Product Manual - Page 171
xStack® DES-3500 Series Layer 2 Stackable Fast Ethernet Managed Switch User Manual Port Access Entity (802.1X) 802.1x Port-Based and MAC-Based Access Control The IEEE 802.1x standard is a security measure for authorizing and authenticating users to gain access to various wired or wireless devices on - D-Link DES-3526 | Product Manual - Page 172
xStack® DES-3500 Series Layer 2 Stackable Fast Ethernet Managed Switch User Manual Authentication Server The Authentication Server is a remote device that is connected to the same network as the Client and Authenticator, must be running a RADIUS Server program and must be configured properly on the - D-Link DES-3526 | Product Manual - Page 173
xStack® DES-3500 Series Layer 2 Stackable Fast Ethernet Managed Switch User Manual Client The Client is simply the workstation that wishes to gain access to the LAN or switch services. All workstation must be running software that is compliant with the 802.1x protocol. For users running Windows XP, - D-Link DES-3526 | Product Manual - Page 174
xStack® DES-3500 Series Layer 2 Stackable Fast Ethernet Managed Switch User Manual Port-Based Network Access Control The port Network access uncontrolled port Figure 7- 10. Example of Typical Port-Based Configuration Once the connected Client has successfully been authenticated, the Port then - D-Link DES-3526 | Product Manual - Page 175
xStack® DES-3500 Series Layer 2 Stackable Fast Ethernet Managed Switch User Manual MAC-Based Network Access Control Ethernet Switch Client Client Network access controlled port Network access uncontrolled port Figure 7- 11. Example of Typical MAC-Based Configuration In order to successfully make - D-Link DES-3526 | Product Manual - Page 176
xStack® DES-3500 Series Layer 2 Stackable Fast Ethernet Managed Switch User Manual Configure Authenticator To configure the 802.1X Authenticator Settings, click Security > Port Access Entity > Configure Authenticator: Figure 7- 12. 802.1X Authenticator Settings window To configure the settings by - D-Link DES-3526 | Product Manual - Page 177
xStack® DES-3500 Series Layer 2 Stackable Fast Ethernet Managed Switch User Manual Figure 7- 13. 802.1X Authenticator Settings window (Modify) This window allows you to set the following features: Parameter Description From [ ] To [ ] AdmCtrlDir PortControl TxPeriod QuietPeriod - D-Link DES-3526 | Product Manual - Page 178
xStack® DES-3500 Series Layer 2 Stackable Fast Ethernet Managed Switch User Manual ServerTimeout MaxReq ReAuthPeriod ReAuth This value determines timeout conditions in the exchanges between the Authenticator and the authentication server. The default setting is 30 seconds. The maximum number of - D-Link DES-3526 | Product Manual - Page 179
xStack® DES-3500 Series Layer 2 Stackable Fast Ethernet Managed Switch User Manual PAE System Control Existing 802.1x port settings are displayed and can be configured using the windows below. Port Capability Click, Security Management > Port Access Entity > PAE System Control > Port Capability to - D-Link DES-3526 | Product Manual - Page 180
From and To Capability xStack® DES-3500 Series Layer 2 Stackable Fast Ethernet Managed Switch User Manual Ports being configured for 802.1x settings. Two role choices can be selected: Authenticator - A user must pass the authentication process to gain access to the network. None - The port is not - D-Link DES-3526 | Product Manual - Page 181
xStack® DES-3500 Series Layer 2 Stackable Fast Ethernet Managed Switch User Manual Initializing Ports for MAC Based 802.1x To initialize ports for the MAC side of 802.1x, the user must first enable 802.1x by MAC address in the Advanced Settings window. Click Security Management > Port Access Entity - D-Link DES-3526 | Product Manual - Page 182
xStack® DES-3500 Series Layer 2 Stackable Fast Ethernet Managed Switch User Manual The Backend State will display one of the following: Request, Response, Success, Fail, Timeout, Idle, Initialize, and N/A. Operational Controlled Directions are both and in. The status of the controlled port - D-Link DES-3526 | Product Manual - Page 183
xStack® DES-3500 Series Layer 2 Stackable Fast Ethernet Managed Switch User Manual This window displays the following information: Parameter Description Succession Choose the desired RADIUS server to configure: First, Second or Third. RADIUS Server Set the RADIUS server IP. Authentic Port - D-Link DES-3526 | Product Manual - Page 184
xStack® DES-3500 Series Layer 2 Stackable Fast Ethernet Managed Switch User Manual Guest VLAN Configuration Remember, to set a guest 802.1x VLAN, the user must first configure a normal VLAN which can be enabled here for Guest VLAN status. To view this window, click Security Management > Port Access - D-Link DES-3526 | Product Manual - Page 185
xStack® DES-3500 Series Layer 2 Stackable Fast Ethernet Managed Switch User Manual In order for the TACACS/XTACACS/TACACS+/RADIUS security function to work properly, a TACACS/XTACACS/TACACS+/RADIUS server must be configured on a device other than the Switch, called an Authentication Server Host and - D-Link DES-3526 | Product Manual - Page 186
xStack® DES-3500 Series Layer 2 Stackable Fast Ethernet Managed Switch User Manual Policy & Parameters This command will enable an administrator-defined authentication policy for users trying to access the Switch. When enabled, the device will check the Login Method List and choose a technique for - D-Link DES-3526 | Product Manual - Page 187
xStack® DES-3500 Series Layer 2 Stackable Fast Ethernet Managed Switch User Manual List configured by the user. See the Login Method Lists window, in this section, for more information. Enable Method List Using the pull down menu, configure an application for normal login on the user level, - D-Link DES-3526 | Product Manual - Page 188
xStack® DES-3500 Series Layer 2 Stackable Fast Ethernet Managed Switch User Manual Figure 7- 26. Authen Server Group Table Add Settings Enter a group name of up to 15 alphanumeric characters to identify the users Group Name and click Add. The user's new Group Name will then appear in the - D-Link DES-3526 | Product Manual - Page 189
® DES-3500 Series Layer 2 Stackable Fast Ethernet Managed Switch User Manual Figure 7- 28. Authentication Server Host Settings window To add an Authentication Server Host, click the Add button, revealing the following window: Figure 7- 29. Authentication Server Host Settings - Add window Configure - D-Link DES-3526 | Product Manual - Page 190
Ethernet Managed Switch User Manual NOTE: More than one authentication protocol can be run on the same physical server host but, remember that TACACS/XTACACS/TACACS+ are separate entities and are not compatible with each other. Login Method Lists This command will configure a user-defined or default - D-Link DES-3526 | Product Manual - Page 191
xStack® DES-3500 Series Layer 2 Stackable Fast Ethernet Managed Switch User Manual Figure 7- 32. Login Method List - Add window To define a implemented on the Switch, one of which is a default Enable Method List. This default Enable Method List cannot be deleted but can be configured. The sequence - D-Link DES-3526 | Product Manual - Page 192
xStack® DES-3500 Series Layer 2 Stackable Fast Ethernet Managed Switch User Manual Figure 7- 33. Enable Method List Settings window To delete an Enable Method List defined by the user, click the X under the Delete heading corresponding to the entry desired to be deleted. To modify an Enable Method - D-Link DES-3526 | Product Manual - Page 193
xStack® DES-3500 Series Layer 2 Stackable Fast Ethernet Managed Switch User Manual • radius - Adding this parameter will require the user to be authenticated using the RADIUS protocol from a remote RADIUS server. • tacacs - Adding this parameter will require the user to be authenticated using the - D-Link DES-3526 | Product Manual - Page 194
xStack® DES-3500 Series Layer 2 Stackable Fast Ethernet Managed Switch User Manual Figure 7- 37. Enable Admin Screen If the Authentication Policy is disabled the message in the lower half of the screen will indicate Authentication Policy is disabled! 179 - D-Link DES-3526 | Product Manual - Page 195
xStack® DES-3500 Series Layer 2 Stackable Fast Ethernet Managed Switch User Manual specific Switch by utilizing a TFTP server. The Switch supports SSLv3 and TLSv1. Other versions of SSL may not be compatible with this Switch and may cause problems firmware release. Server IP Enter the IP address - D-Link DES-3526 | Product Manual - Page 196
xStack® DES-3500 Series Layer 2 Stackable Fast Ethernet Managed Switch User Manual Configuration This window will allow the user to enable SSL on the Switch and implement any one or combination of listed ciphersuites on the Switch. A ciphersuite is a security string that determines the exact - D-Link DES-3526 | Product Manual - Page 197
xStack® DES-3500 Series Layer 2 Stackable Fast Ethernet Managed Switch User Manual NOTE: Enabling the SSL command will disable the web-based switch management. To log on to the Switch again, the header of the URL must begin with https://. Entering anything else into the address field of the web - D-Link DES-3526 | Product Manual - Page 198
xStack® DES-3500 Series Layer 2 Stackable Fast Ethernet Managed Switch User Manual Figure 7- 40. Current SSH Configuration Settings To configure the SSH server on the Switch, modify the following parameters and click Apply: Parameter Description SSH Server Status Max Session (1-8) Time Out (120 - D-Link DES-3526 | Product Manual - Page 199
xStack® DES-3500 Series Layer 2 Stackable Fast Ethernet Managed Switch User Manual Figure 7- 41. Encryption Algorithm window disable the Advanced Encryption Standard AES192 encryption algorithm with Cipher Block Chaining. The default is Enabled. Use the pull-down to enable or disable the Advanced - D-Link DES-3526 | Product Manual - Page 200
xStack® DES-3500 Series Layer 2 Stackable Fast Ethernet Managed Switch User Manual Twofish128 Use the pull-down to enable or disable the twofish128 encryption algorithm. The default is Enabled. Twofish192 Use the pull-down to enable or disable the twofish192 encryption algorithm. The default is - D-Link DES-3526 | Product Manual - Page 201
xStack® DES-3500 Series Layer 2 Stackable Fast Ethernet Managed Switch User Manual Figure 7- 43. User Accounts Modify Table window The user may set the following parameters: Parameter Description User Name Auth. Mode Enter a User Name of no more than 15 characters to identify the SSH user. - D-Link DES-3526 | Product Manual - Page 202
xStack® DES-3500 Series Layer 2 Stackable Fast Ethernet Managed Switch User Manual SNMP Manager SNMP Settings Simple Network Management Protocol (SNMP) is an OSI Layer 7 (Application Layer) designed specifically for managing and monitoring network devices. SNMP enables network management stations to - D-Link DES-3526 | Product Manual - Page 203
xStack® DES-3500 Series Layer 2 Stackable Fast Ethernet Managed Switch User Manual SNMP User Table The SNMP User Table displays all of the SNMP User's currently configured on the Switch. To view this window click, Security Management > SNMP Manager > SNMP User Table. Figure 7- 44. SNMP User Table - D-Link DES-3526 | Product Manual - Page 204
xStack® DES-3500 Series Layer 2 Stackable Fast Ethernet Managed Switch User Manual Figure 7- 46. SNMP User Table Configuration window The following parameters can set: Parameter Description User Name Group Name SNMP Version Auth-Protocol Priv-Protocol Encrypted Enter an alphanumeric string of - D-Link DES-3526 | Product Manual - Page 205
xStack® DES-3500 Series Layer 2 Stackable Fast Ethernet Managed Switch User Manual SNMP View Table The SNMP View Table is used to assign views to community strings that define which MIB objects can be accessed by a remote SNMP manager. To view this window click, Security Management > SNMP Manager > - D-Link DES-3526 | Product Manual - Page 206
xStack® DES-3500 Series Layer 2 Stackable Fast Ethernet Managed Switch User Manual SNMP Group Table An SNMP Group created with this table maps SNMP users (identified in the SNMP User Table) to the views created in the previous menu. To view this window click, Security Management > SNMP Manager Switch - D-Link DES-3526 | Product Manual - Page 207
xStack® DES-3500 Series Layer 2 Stackable Fast Ethernet Managed Switch User Manual Figure 7- 51. SNMP Group Table Configuration IP addresses of SNMP managers that are permitted to use the community string to gain access to the Switch's SNMP agent. • Any MIB view that defines the subset of all MIB - D-Link DES-3526 | Product Manual - Page 208
xStack® DES-3500 Series Layer 2 Stackable Fast Ethernet Managed Switch User Manual To configure SNMP Community entries, open the SNMP Manager folder, located in the Security Management folder, and click the SNMP Community Table link, which will open the following window: Figure 7- 52. SNMP - D-Link DES-3526 | Product Manual - Page 209
xStack® DES-3500 Series Layer 2 Stackable Fast Ethernet Managed Switch User Manual Figure 7- 54. SNMP Host Table Configuration window The following parameters can set: Parameter Description Host IP Address Type the IP address of the remote management station that will serve as the SNMP host for - D-Link DES-3526 | Product Manual - Page 210
xStack® DES-3500 Series Layer 2 Stackable Fast Ethernet Managed Switch User Manual Figure 7- 56. SNMP Trap Global Settings window To enable or disable the SNMP Trap State and/or the Authenticate Traps State, use the corresponding pull-down menu to change and click Apply. 195 - D-Link DES-3526 | Product Manual - Page 211
xStack® DES-3500 Series Layer 2 Stackable Fast Ethernet Managed Switch User Manual Safeguard Engine Periodically, malicious hosts on the network will attack the Switch by utilizing packet flooding (ARP Storm) or other methods. These attacks may increase the Safeguard Engine beyond its capability. To - D-Link DES-3526 | Product Manual - Page 212
xStack® DES-3500 Series Layer 2 Stackable Fast Ethernet Managed Switch User Manual Figure 7- 58. Safeguard Engine window To configure the Switch's Safeguard Engine, change the State to Enabled. To configure the parameters for the Safeguard Engine, click the Advanced Settings button which will alter - D-Link DES-3526 | Product Manual - Page 213
the Source IP address is the same as the DHCP server's IP address (UDP port number 67) that set in the DHCP Client Screening Setting window. These rules are used to permit the DHCP server packets with specific fileds, which the user configured. To view this window, click Security Management > Filter - D-Link DES-3526 | Product Manual - Page 214
xStack® DES-3500 Series Layer 2 Stackable Fast Ethernet Managed Switch User Manual The parameters of DHCP Server Screening window are described as below: Parameter Description From/To These two drop-down menus allow you to select a range of ports to which the filter settings will be applied. - D-Link DES-3526 | Product Manual - Page 215
xStack® DES-3500 Series Layer 2 Stackable Fast Ethernet Managed Switch User Manual NetBIOS Filtering Setting When the NetBIOS filter is enabled, all NetBIOS packets will be filtered from the specified port. Enabling the NetBIOS filter will create one access profile and create three access rules per - D-Link DES-3526 | Product Manual - Page 216
xStack® DES-3500 Series Layer 2 Stackable Fast Ethernet Managed Switch User Manual The parameters are described as below: Parameter Description From/To These two drop-down menus allow you to select a range of ports to which the filter settings will be applied. State Enable or disable NetBIOS - D-Link DES-3526 | Product Manual - Page 217
xStack® DES-3500 Series Layer 2 Stackable Fast Ethernet Managed Switch User Manual CPU Filtering Settings This table is used to adjust the CPU Filtering Settings. This table allows the user to Enable or Disable a number of settings for different ports on the Switch including; RIP, OSPF, VRRP, PIM, - D-Link DES-3526 | Product Manual - Page 218
xStack® DES-3500 Series Layer 2 Stackable Fast Ethernet Managed Switch User Manual D-Link managed switch can effectively mitigate the common Dos attack caused by the ARP spoofing via its unique Packet Content ACL. To prevent ARP spoofing attacks, we will - D-Link DES-3526 | Product Manual - Page 219
xStack® DES-3500 Series Layer 2 Stackable Fast Ethernet Managed Switch User Manual Monitoring Section 8 Port Utilization CPU Utilization Memory Usage Packets Errors Size MAC Address Switch History Log IGMP Snooping Group IGMP Snooping Forwarding VLAN Status Router Port Port Access Control Layer 3 - D-Link DES-3526 | Product Manual - Page 220
xStack® DES-3500 Series Layer 2 Stackable Fast Ethernet Managed Switch User Manual value is one second. Record Number Select number of times the Switch will be polled between 20 and 200. The default window Click Apply to implement the configured settings. The window will automatically refresh - D-Link DES-3526 | Product Manual - Page 221
xStack® DES-3500 Series Layer 2 Stackable Fast Ethernet Managed Switch User Manual Figure 8- 3. Memory Usage window Click Apply to implement the configured for seconds. The default value is one second. Select number of times the Switch will be polled between 20 and 200. The default value is 200. - D-Link DES-3526 | Product Manual - Page 222
Packets xStack® DES-3500 Series Layer 2 Stackable Fast Ethernet Managed Switch User Manual The Web Manager allows various packet statistics to on the Switch. Figure 8- 4. Rx Packets Analysis window (line graph for Bytes and Packets) To view the Received Packets Table, click the link View Table, - D-Link DES-3526 | Product Manual - Page 223
xStack® DES-3500 Series Layer 2 Stackable Fast Ethernet Managed Switch User Manual Figure 8- 5. Rx Packets Analysis window (table for Bytes and Packets) The following fields may be set or viewed: Parameter Description Time Interval Record Number Bytes - D-Link DES-3526 | Product Manual - Page 224
xStack® DES-3500 Series Layer 2 Stackable Fast Ethernet Managed Switch User Manual Figure 8- 6. Rx Packets Analysis window (line graph for Unicast, Multicast, and Broadcast Packets) To view the UMB Cast Table, click the View Table link, which will show the following table: 209 - D-Link DES-3526 | Product Manual - Page 225
xStack® DES-3500 Series Layer 2 Stackable Fast Ethernet Managed Switch User Manual Figure 8- 7. Rx Packets Analysis window (table this window. Clicking this button instructs the Switch to display a table rather than a line graph. Clicking this button instructs the Switch to display a line graph - D-Link DES-3526 | Product Manual - Page 226
xStack® DES-3500 Series Layer 2 Stackable Fast Ethernet Managed Switch User Manual Transmitted (TX) Click Monitoring > Packets > Transmitted (TX) to view the following graph of packets transmitted from the Switch. Figure 8- 8. Tx Packets Analysis window (line graph for Bytes and Packets) To view the - D-Link DES-3526 | Product Manual - Page 227
xStack® DES-3500 Series Layer 2 Stackable Fast Ethernet Managed Switch User Manual Figure 8- 9. Tx Packets Analysis window (table for Bytes and Packets) The following fields may be set or viewed: Parameter Description Time Interval Record Number Bytes - D-Link DES-3526 | Product Manual - Page 228
xStack® DES-3500 Series Layer 2 Stackable Fast Ethernet Managed Switch User Manual The Web Manager allows port error statistics compiled by the Switch's management on the Switch. Figure 8- 10. Rx Error Analysis window (line graph) To view the Received Error Packets Table, click the link View Table - D-Link DES-3526 | Product Manual - Page 229
xStack® DES-3500 Series Layer 2 Stackable Fast Ethernet Managed Switch User Manual default value is one second. Select number of times the Switch will be polled between 20 and 200. The default octets, or if a VLAN frame is 1522 octets, dropped by this port since the last Switch reboot. Check whether - D-Link DES-3526 | Product Manual - Page 230
xStack® DES-3500 Series Layer 2 Stackable Fast Ethernet Managed Switch User Manual Transmitted (TX) Click, Monitoring > Error > Transmitted (TX) to view the following graph of error packets received on the Switch. Figure 8- 12. Tx Error Analysis window (line graph) To view the Transmitted Error - D-Link DES-3526 | Product Manual - Page 231
xStack® DES-3500 Series Layer 2 Stackable Fast Ethernet Managed Switch User Manual The following fields may be set or 60s, where "s" stands for seconds. The default value is one second. Select number of times the Switch will be polled between 20 and 200. The default value is 20. Counts the number of - D-Link DES-3526 | Product Manual - Page 232
xStack® DES-3500 Series Layer 2 Stackable Fast Ethernet Managed Switch User Manual Figure 8- 14. Rx Size Analysis window (line graph) To view the Packet Size Analysis Table, click the link View Table, which will show the following table: Figure 8- 15. Rx Size Analysis window (table) 217 - D-Link DES-3526 | Product Manual - Page 233
xStack® DES-3500 Series Layer 2 Stackable Fast Ethernet Managed Switch User Manual default value is one second. Select number of times the Switch will be polled between 20 and 200. The default instructs the Switch to display a table rather than a line graph. Clicking this button instructs the Switch - D-Link DES-3526 | Product Manual - Page 234
xStack® DES-3500 Series Layer 2 Stackable Fast Ethernet Managed Switch User Manual MAC Address This allows the Switch's dynamic MAC address forwarding table to be viewed. When the Switch learns an association between a MAC address and a port number, it makes an entry into its forwarding table. These - D-Link DES-3526 | Product Manual - Page 235
xStack® DES-3500 Series Layer 2 Stackable Fast Ethernet Managed Switch User Manual Switch History Log The Web manager allows the Switch's history log, as compiled by the Switch's management agent, to be viewed. To view the Switch history log click, Maintenance > Switch History Log. Figure 8- 17. - D-Link DES-3526 | Product Manual - Page 236
xStack® DES-3500 Series Layer 2 Stackable Fast Ethernet Managed Switch User Manual IGMP Snooping Group IGMP Snooping allows the Switch to read the Multicast Group IP address and the corresponding MAC address from IGMP packets that pass through the Switch. The number of IGMP reports that were snooped - D-Link DES-3526 | Product Manual - Page 237
xStack® DES-3500 Series Layer 2 Stackable Fast Ethernet Managed Switch User Manual IGMP Snooping Forwarding This window will display the current IGMP snooping forwarding table entries currently configured on the Switch. To view the following screen, click, Monitoring > IGMP Snooping Forwarding. - D-Link DES-3526 | Product Manual - Page 238
xStack® DES-3500 Series Layer 2 Stackable Fast Ethernet Managed Switch User Manual VLAN Status This allows the VLAN status for each of the Switch's ports to be viewed by VLAN. This window displays the ports on the Switch that are currently Egress or Tag ports. To view the following table, click - D-Link DES-3526 | Product Manual - Page 239
xStack® DES-3500 Series Layer 2 Stackable Fast Ethernet Managed Switch User Manual Authenticator State The following section window displays the 802.1X Status on the Switch. To view the Authenticator State, click Monitoring > Port Access Control > Authenticator State. Figure 8- 22. Authenticator - D-Link DES-3526 | Product Manual - Page 240
xStack® DES-3500 Series Layer 2 Stackable Fast Ethernet Managed Switch User Manual Figure 8- 23. Show Authenticator State window - MAC-Based 802.1x This window displays the Authenticator State for individual ports on a selected device. To select a unit within the switch stack, use the pull-down - D-Link DES-3526 | Product Manual - Page 241
xStack® DES-3500 Series Layer 2 Stackable Fast Ethernet Managed Switch User Manual Layer 3 Features Browse ARP Table The ARP Table window may be found by clicking, Monitoring > Layer 3 Feature > Browse ARP Table. This window will show current ARP entries on the Switch. To search a specific ARP entry - D-Link DES-3526 | Product Manual - Page 242
xStack® DES-3500 Series Layer 2 Stackable Fast Ethernet Managed Switch User Manual Safeguard Engine Status The following window displays parameters configured for and about the Safeguard Engine Status currently set on the Switch of packets entering the Switch. The default setting is 5 seconds. - D-Link DES-3526 | Product Manual - Page 243
xStack® DES-3500 Series Layer 2 Stackable Fast Ethernet Managed Switch User Manual Cable Diagnostic The following window displays parameters configured for and about the Cable Diagnostics currently set on the Switch. To view this window click, Monitoring > Cable Diagnostic. Figure 8- 26. Cable - D-Link DES-3526 | Product Manual - Page 244
xStack® DES-3500 Series Layer 2 Stackable Fast Ethernet Managed Switch User Manual Maintenance Section 9 TFTP Services Multiple Image Services Ping Test Save Changes Reset Reset System Reset Config Reboot Device Logout TFTP Services Trivial File Transfer Protocol (TFTP) services allow the Switch - D-Link DES-3526 | Product Manual - Page 245
xStack® DES-3500 Series Layer 2 Stackable Fast Ethernet Managed Switch User Manual Type Specify the purpose of the firmware: Download: Clicking this radio button will specify a download to the Switch. This will be the firmware that the Switch will immediately use. Update: Clicking this radio - D-Link DES-3526 | Product Manual - Page 246
record the IP address of the TFTP server and to initiate the file transfer. Multiple Image Services The Multiple Image Services folder allows users of the xStack® family of switches to configure and view information regarding firmware located on the Switch. The Switch allows two firmware images to - D-Link DES-3526 | Product Manual - Page 247
Update Time From User xStack® DES-3500 Series Layer 2 Stackable Fast Ethernet Managed Switch User Manual States the firmware version. States the size of the corresponding firmware, in bytes. States the specific time the firmware version was downloaded to the Switch. States the IP address of the - D-Link DES-3526 | Product Manual - Page 248
xStack® DES-3500 Series Layer 2 Stackable Fast Ethernet Managed Switch User Manual Ping Test Ping is a small program that sends ICMP Echo packets to the IP address you specify. The destination node then responds to or "echoes" the packets sent from the Switch. This is very useful to verify - D-Link DES-3526 | Product Manual - Page 249
xStack® DES-3500 Series Layer 2 Stackable Fast Ethernet Managed Switch User Manual Figure 9- 9. Save Configuration Confirmation dialog box Click the OK button to continue. Once the Switch configuration settings have been saved to NV-RAM, they become the default settings for the Switch. These - D-Link DES-3526 | Product Manual - Page 250
xStack® DES-3500 Series Layer 2 Stackable Fast Ethernet Managed Switch User Manual Reset Config The Reset Config option will reset all of the Switch's configuration parameters to their factory defaults, without saving these default values to the Switch's non-volatile RAM. If the Switch is reset with - D-Link DES-3526 | Product Manual - Page 251
xStack® DES-3500 Series Layer 2 Stackable Fast Ethernet Managed Switch User Manual Section 10 D-Link Single IP Management Single IP Management (SIM) Overview Topology Firmware Upgrade Configuration Backup/Restore Upload Log File Single IP Management (SIM) Overview Simply put, D-Link Single IP - D-Link DES-3526 | Product Manual - Page 252
xStack® DES-3500 Series Layer 2 Stackable Fast Ethernet Managed Switch User Manual manually configuring it to be a MS of a SIM group. A switch configured as a CaS is not a member of a SIM group and will take on the following characteristics: • It is not a CS or MS of another Single IP group. • It is - D-Link DES-3526 | Product Manual - Page 253
User Manual 4. The user may zoom in and zoom out when utilizing the topology window to get a better, more defined view of the configurations. SIM Using the Web Interface All DES-3500 Series switches are set as Candidate (CaS) switches, as their factory default configuration and Single IP Management - D-Link DES-3526 | Product Manual - Page 254
Fast Ethernet Managed Switch User Manual Click Apply to implement the settings changed. After enabling the Switch to be a Commander Switch (CS), the Single IP Management folder will then contain four added links to aid the user in configuring SIM through the web, including Topology, Firmware Upgrade - D-Link DES-3526 | Product Manual - Page 255
xStack® DES-3500 Series Layer 2 Stackable Fast Ethernet Managed Switch User Manual Speed Displays the connection speed between the CS and the MS or CaS. The CS will not display an entry in this field. Remote Port Displays the number of the physical port on the MS or CaS that the CS is connected - D-Link DES-3526 | Product Manual - Page 256
xStack® DES-3500 Series Layer 2 Stackable Fast Ethernet Managed Switch User Manual Layer 2-member switch. Layer 3 member switch Member switch of other group Layer 2 candidate switch Layer 3 candidate switch Unknown device Non-SIM devices Tool Tips In the Topology view window, the mouse plays an - D-Link DES-3526 | Product Manual - Page 257
xStack® DES-3500 Series Layer 2 Stackable Fast Ethernet Managed Switch User Manual Figure 10- 7. Port Speed Utilizing the Tool Tip Right-Click Right clicking on a device will allow the user to perform various functions, depending on the role of the Switch in the SIM group and the icon associated - D-Link DES-3526 | Product Manual - Page 258
xStack® DES-3500 Series Layer 2 Stackable Fast Ethernet Managed Switch User Manual Commander Switch Icon Figure 10- 9. Property window Figure 10- 10. Right-Clicking a Commander Icon The following options may appear for the user to configure: • Collapse - to collapse the group that will be - D-Link DES-3526 | Product Manual - Page 259
xStack® DES-3500 Series Layer 2 Stackable Fast Ethernet Managed Switch User Manual Member Switch Icon Figure 10- 11. Property window Figure 10- 12. Right-Clicking a Member icon The following options may appear for the user to configure: • Collapse - to collapse the group that will be represented - D-Link DES-3526 | Product Manual - Page 260
xStack® DES-3500 Series Layer 2 Stackable Fast Ethernet Managed Switch User Manual Candidate Switch Icon Figure 10- 13. Property window Figure 10- 14. Right-Clicking a Candidate icon The following options may appear for the user to configure: • Collapse - to collapse the group that will be - D-Link DES-3526 | Product Manual - Page 261
xStack® DES-3500 Series Layer 2 Stackable Fast Ethernet Managed Switch User Manual Figure 10- 16. Property window This window holds the following information: Parameter Description Device Name This field will display the Device Name of the switches in the SIM group configured by the user. If - D-Link DES-3526 | Product Manual - Page 262
xStack® DES-3500 Series Layer 2 Stackable Fast Ethernet Managed Switch User Manual Menu Bar The Single IP Management window contains a menu bar for device configurations, as seen below. Figure 10- 17. Menu Bar of the Topology View The five menus on the menu bar are as follows. File • Print Setup - - D-Link DES-3526 | Product Manual - Page 263
Fast Ethernet Managed Switch User Manual NOTE: Upon this firmware release, some functions of the SIM can only be configured through the Command Line Interface. See the DES-3500 Series Command Line Interface Reference Manual for more information on SIM and its configurations. Firmware Upgrade This - D-Link DES-3526 | Product Manual - Page 264
xStack® DES-3500 Series Layer 2 Stackable Fast Ethernet Managed Switch User Manual Figure 10- 21. Upload Log File window 249 - D-Link DES-3526 | Product Manual - Page 265
xStack® DES-3500 Series Layer 2 Stackable Fast Ethernet Managed Switch User Manual Appendix A Technical Specifications .1Q VLAN IEEE 802.1p Priority Queues IEEE 802.3ad Link Aggregation Control 24 10/100/1000 Mbps ports (DES-3526/DES-DES-3526DC) 48 10/100/1000 Mbps ports (DES-3550) 2 1000BASE-T - D-Link DES-3526 | Product Manual - Page 266
Managed Switch User Manual Physical and Environmental Internal power supply Power Consumption DC fans Operating Temperature Storage Temperature Humidity Dimensions Weight EMI Safety AC Input: 100 - 120; 200 - 240 VAC, 50/60 Hz DC 60W DC Power Input: 48V Output: 12V For DES-3526/ DES-3526DC - D-Link DES-3526 | Product Manual - Page 267
xStack® DES-3500 Series Layer 2 Stackable Fast Ethernet Managed Switch User Manual Cables and Connectors Appendix B When connecting the Switch to another switch, a bridge or hub, a normal cable is necessary. Please review these products for matching cable pin assignment. The following diagrams - D-Link DES-3526 | Product Manual - Page 268
xStack® DES-3500 Series Layer 2 Stackable Fast Ethernet Managed Switch User Manual Appendix C System Log Entries The following table lists all possible entries and their corresponding meanings that will appear in the System Log of this Switch. Category system system Event Description System - D-Link DES-3526 | Product Manual - Page 269
xStack® DES-3500 Series Layer 2 Stackable Fast Ethernet Managed Switch User Manual Category Event Description Configuration successfully uploaded Configuration upload was unsuccessful Log message successfully uploaded Log message upload was unsuccessful Interface Port link up Log Content - D-Link DES-3526 | Product Manual - Page 270
xStack® DES-3500 Series Layer 2 Stackable Fast Ethernet Managed Switch User Manual Category Event Description Log Content , IP: , MAC: ) SNMP request received from with invalid community string! Topology changed New Root selected BPDU Loop Back on Port < - D-Link DES-3526 | Product Manual - Page 271
xStack® DES-3500 Series Layer 2 Stackable Fast Ethernet Managed Switch User Manual Category Event Description Login : , IP: , MAC: ) Logout through SSH (Username: , IP: , MAC: ) SSH session timed out (Username: , IP: , - D-Link DES-3526 | Product Manual - Page 272
xStack® DES-3500 Series Layer 2 Stackable Fast Ethernet Managed Switch User Manual Category Event Description Successful login Informational Informational Informational Informational If the user logs in through the console, no IP or MAC address information will be included in the log - D-Link DES-3526 | Product Manual - Page 273
xStack® DES-3500 Series Layer 2 Stackable Fast Ethernet Managed Switch User Manual Category Event Description Login failed through Console authenticated by AAA server Login failed through Console due to AAA server timeout or improper configuration Successful login through Web authenticated by AAA - D-Link DES-3526 | Product Manual - Page 274
xStack® DES-3500 Series Layer 2 Stackable Fast Ethernet Managed Switch User Manual Category Event Description AAA server Log Content (Username: , MAC: ) Severity Remark Login failed through Telnet due to AAA server timeout or improper configuration Successful login through - D-Link DES-3526 | Product Manual - Page 275
xStack® DES-3500 Series Layer 2 Stackable Fast Ethernet Managed Switch User Manual Category Event Description Successful Enable Admin through Web (SSL) authenticated by AAA local_enable method Enable Admin failed through Web (SSL) authenticated by AAA local_enable method - D-Link DES-3526 | Product Manual - Page 276
xStack® DES-3500 Series Layer 2 Stackable Fast Ethernet Managed Switch User Manual Category Event Description Successful Enable Admin Admin failed through Console due to AAA server timeout or improper configuration Successful Enable Admin through Web authenticated by AAA server Enable Admin - D-Link DES-3526 | Product Manual - Page 277
xStack® DES-3500 Series Layer 2 Stackable Fast Ethernet Managed Switch User Manual Category Event Description Successful Enable Admin through Admin failed through Telnet due to AAA server timeout or improper configuration Successful Enable Admin through SSH authenticated by AAA server Enable Admin - D-Link DES-3526 | Product Manual - Page 278
xStack® DES-3500 Series Layer 2 Stackable Fast Ethernet Managed Switch User Manual Category Event Description configuration Log Content MAC: ) Severity Remark Port Security IP-MACPORT Binding Safeguard Engine Packet Storm Security AAA server timed out port security has reached its - D-Link DES-3526 | Product Manual - Page 279
xStack® DES-3500 Series Layer 2 Stackable Fast Ethernet Managed Switch User Manual Appendix D Cable Lengths Use the following table to as a guide for the maximum cable lengths. Standard Media Type Mini-GBIC 1000BASE-LX, Single-mode fiber module 1000BASE-SX, Multi-mode fiber module 1000BASE-LHX, - D-Link DES-3526 | Product Manual - Page 280
xStack® DES-3500 Series Layer 2 Stackable Fast Ethernet Managed Switch User Manual Appendix E Mitigating ARP Spoofing Attacks Using Packet Content ACL Address Resolution Protocol (ARP) is the standard method for finding a host's hardware address (MAC address) when only its IP address is known. This - D-Link DES-3526 | Product Manual - Page 281
xStack® DES-3500 Series Layer 2 Stackable Fast Ethernet Managed Switch User Manual Destination address FF-FF-FF-FF-FF-FF Source address 00-20-5C-01-11-11 Ether-type ARP FCS Table-2 (Ethernet frame format) When the switch receives the frame, it will check the "Source Address" in the Ethernet - D-Link DES-3526 | Product Manual - Page 282
xStack® DES-3500 Series Layer 2 Stackable Fast Ethernet Managed Switch User Manual When PC B replies to the ARP request, its MAC address will be written into "Target H/W Address" in the ARP payload shown in Table-3. The ARP reply will be then encapsulated into the Ethernet frame again and sent back - D-Link DES-3526 | Product Manual - Page 283
xStack® DES-3500 Series Layer 2 Stackable Fast Ethernet Managed Switch User Manual How ARP spoofing attacks a network ARP spoofing, also known as ARP poisoning, is a method to attack an Ethernet network which may allow an attacker to - D-Link DES-3526 | Product Manual - Page 284
xStack® DES-3500 Series Layer 2 Stackable Fast Ethernet Managed Switch User Manual Ethernet Header Gratuitous ARP Destination address Source address Ethernet H/W type Protocol H/W Protocol Operation type type address address length length Sender H/W address Sender protocol address Target - D-Link DES-3526 | Product Manual - Page 285
xStack® DES-3500 Series Layer 2 Stackable Fast Ethernet Managed Switch User Manual • Prevent ARP spoofing via packet content ACL Concerning the common DoS attack today caused by the ARP spoofing, D-Link managed switch can effectively mitigate it via its unique Packet Content ACL. For that reason the - D-Link DES-3526 | Product Manual - Page 286
xStack® DES-3500 Series Layer 2 Stackable Fast Ethernet Managed Switch User Manual Offset Offset Offset Offset Offset Offset Offset Offset Offset Offset Offset 127 3 7 11 15 19 23 27 31 35 39 43 47 51 55 59 Byte 128 4 8 12 16 20 24 28 32 36 40 44 48 52 56 60 Byte 1 5 9 13 17 21 25 29 33 37 41 45 - D-Link DES-3526 | Product Manual - Page 287
xStack® DES-3500 Series Layer 2 Stackable Fast Ethernet Managed Switch User Manual 272 - D-Link DES-3526 | Product Manual - Page 288
xStack® DES-3500 Series Layer 2 Stackable Fast Ethernet Managed Switch User Manual Glossary 1000BASE-LX: A short laser wavelength on multimode fiber optic cable for a maximum length of 550 meters 1000BASE-SX: A long wavelength for a "long haul" fiber - D-Link DES-3526 | Product Manual - Page 289
xStack® DES-3500 Series Layer 2 Stackable Fast Ethernet Managed Switch User Manual MDI-X - Medium Dependent Interface Cross-over: An Ethernet port connection where the internal transmit and receive lines are crossed. MIB - Management Information Base: Stores a device's management characteristics and - D-Link DES-3526 | Product Manual - Page 290
installed and used in accordance with this manual, may cause harmful interference to radio product may cause radio interference in which case the user may be required to take adequate measures. Warnung! es un producto de Clase A. En un entorno doméstico, puede causar interferencias de radio, en - D-Link DES-3526 | Product Manual - Page 291
a refund is given automatically terminates. What You Must Do For Warranty Service: Registration Card. The Registration Card provided at the back of this manual must be completed and returned to an Authorized DLink Service Office for each D-Link product within ninety (90) days after the product is - D-Link DES-3526 | Product Manual - Page 292
manual for the product, and normal maintenance; Damage that occurs in shipment, due to act of God, failures due to power surge, and cosmetic damage; and Any hardware, software, firmware or other products or services provided by anyone other than D-Link. Disclaimer of Other Warranties: EXCEPT - D-Link DES-3526 | Product Manual - Page 293
such as translation, transformation, or adaptation without permission from D-Link Corporation/D-Link Systems Inc., as stipulated by the United States Copyright Act of and, if not installed and used in accordance with this manual, may cause harmful interfe rence to radio communications. Operation - D-Link DES-3526 | Product Manual - Page 294
Warranty Period at no charge to the original owner or to refund the actual purchase price paid. Any repair or replacement will be rendered by D-Link at an Authorized D-Link Service a Case ID Number from D-Link Technical Support at 1-877-453-5465, manuals or accessories in the shipping package. D-Link - D-Link DES-3526 | Product Manual - Page 295
firmware or other products or services provided by anyone other than D-Link; and Products that have been purchased from inventory clearance or liquidation sales or other sales in which D-Link, the sellers, or the liquidators expressly disclaim their warranty instructions on, the user is encouraged to - D-Link DES-3526 | Product Manual - Page 296
Product Registration: Register your D-Link product online at http://support.dlink.com/register/ Product registration is entirely voluntary and failure to complete or return this form will not diminish your warranty rights. - D-Link DES-3526 | Product Manual - Page 297
request. Actual delivery times may vary depending on customer location. D-Link reserves the right to refund the purchase price as its exclusive warranty remedy. To Receive a Return Materials Authorization (RMA) Number, please visit: http://service.dlink.biz and for Italy and Spain, please use: http - D-Link DES-3526 | Product Manual - Page 298
workmanship when properly installed and used. If D-Link receives notice of such defects during the warranty period, D-Link will replace software media that does not execute its programming instructions due to such defects. Warranty exclusions This warranty does not apply if the software, product or - D-Link DES-3526 | Product Manual - Page 299
You can find software updates and user documentation on the D-Link website. D-Link provides free technical support for customers within the United States and within Canada for the duration of the service period, and warranty confirmation service, during the warranty period on this product. U.S. and - D-Link DES-3526 | Product Manual - Page 300
Technical Support D-Link UK Technical Support over the Telephone: 0871 873 3000 (United Kingdom) BT 10ppm (UK Pence €0.05ppm peak, €0.045ppm off peak Times Mon-Fri 9.00am 6.00pm Sat 10.00am - 2.00pm D-Link UK & Ireland Technical Support over the Internet: http://www.dlink.co.uk ftp://ftp.dlink.co.uk - D-Link DES-3526 | Product Manual - Page 301
Versionen von Software und Benutzerhandbuch finden Sie auf der Website von D-Link. D-Link bietet kostenfreie technische Unterstützung für Kunden innerhalb Deutschlands, Österreichs, der telefonisch anfordern. Telefon: +49 (1805)2787 0,14€ pro Minute Web: http://www.dlink.de E-Mail: [email protected] - D-Link DES-3526 | Product Manual - Page 302
technique Vous trouverez la documentation et les logiciels les plus récents sur le site web D-Link. Vous pouvez contacter le service technique de D-Link par notre site internet ou par téléphone. Assistance technique D-Link par téléphone: 0 820 0803 03 0,12 €/min Hours : Monday - Friday 9h to 13h and - D-Link DES-3526 | Product Manual - Page 303
documentación técnica en el sitio web de D-Link. D-Link ofrece asistencia técnica gratuita para clientes residentes en España durante el periodo de garantía del producto. Asistencia Técnica de D-Link por teléfono: +34 902 30 45 45 0,067 €/min Lunes a Viernes de 9:00 a 14:00 y de 15:00 a 18:00 Web - D-Link DES-3526 | Product Manual - Page 304
Supporto tecnico Gli ultimi aggiornamenti e la documentazione sono disponibili sul sito D-Link. Supporto Tecnico dal lunedì al venerdì dalle ore 9.00 alle ore 19.00 con orario continuato Telefono: 199400057 Web: http://www.dlink.it/support - D-Link DES-3526 | Product Manual - Page 305
can find software updates and user documentation on the D-Link website. D-Link provides free technical support for customers within Benelux for the duration of the warranty period on this product. Benelux customers can contact D-Link technical support through our website, or by phone. Netherlands - D-Link DES-3526 | Product Manual - Page 306
produktu. Klienci z Polski mogą się kontaktować z działem pomocy technicznej firmy D-Link za pośrednictwem Internetu lub telefonicznie. Telefoniczna pomoc techniczna firmy D-Link: 0 801 022 021 Pomoc techniczna firmy D-Link świadczona przez Internet: Web: http://www.dlink.pl E-mail: [email protected] - D-Link DES-3526 | Product Manual - Page 307
Aktualizované verze software a uživatelských příruček najdete na webové stránce firmy D-Link. D-Link poskytuje svým zákazníkům bezplatnou technickou podporu Zákazníci mohou kontaktovat oddělení technické podpory PO- PÁ od 09.00 do 17.00 Web: http://www.dlink.cz/suppport/ E-mail: [email protected] - D-Link DES-3526 | Product Manual - Page 308
Technikai Támogatás Meghajtó programokat és frissítéseket a D-Link Magyarország weblapjáról tölthet le. Tel: 06 1 461-3001 Fax: 06 1 461-3004 Land Line 14,99 HUG/min - Mobile 49.99,HUF/min Web: http://www.dlink.hu E-mail: [email protected] - D-Link DES-3526 | Product Manual - Page 309
finne programvare oppdateringer og bruker dokumentasjon på D-Links web sider. D-Link tilbyr sine kunder gratis teknisk support under produktets garantitid. Kunder kan kontakte D-Links teknisk support via våre hjemmesider, eller på tlf. D-Link Teknisk telefon Support: 800 10 610 (Hverdager 08:00-20 - D-Link DES-3526 | Product Manual - Page 310
til kunder i Danmark i hele produktets garantiperiode. Danske kunder kan kontakte D-Link's tekniske support via vores hjemmeside eller telefonisk. D-Link teknisk support over telefonen: Tlf. 7026 9040 Åbningstider: kl. 08:00 - 20:00 D-Link teknisk support på Internettet: Web: http://www.dlink.dk - D-Link DES-3526 | Product Manual - Page 311
Teknistä tukea asiakkaille Suomessa D-Link tarjoaa teknistä tukea asiakkailleen. Tuotteen takuun voimassaoloajan. Tekninen tuki palvelee seuraavasti: numerosta : 0800-114 677 Arkisin klo. 9 - 21 Internetin kautta: Web: http://www.dlink.fi - D-Link DES-3526 | Product Manual - Page 312
om mjukvaru uppdateringar och annan användarinformation. D-Link tillhandahåller teknisk support till kunder i Sverige under hela garantitiden för denna produkt. D-Link Teknisk Support via telefon: 0770-33 00 35 Vardagar 08.00-20.00 D-Link Teknisk Support via Internet: Web: http://www.dlink.se - D-Link DES-3526 | Product Manual - Page 313
Você pode encontrar atualizações de software e documentação de utilizador no site de D-Link Portugal http://www.dlink.pt. A D-Link fornece suporte técnico gratuito para clientes no Portugal durante o período de vigência de garantia deste produto. Assistência Técnica da D-Link na Internet: Web: http - D-Link DES-3526 | Product Manual - Page 314
software updates D-Link Η D-Link D-Link Hellas Support Center 64, 11251 210 86 11 114 09:00-17:00) Φαξ: 210 8611114 Web: http://www.dlink.gr/support - D-Link DES-3526 | Product Manual - Page 315
Tehnička podrška Hvala vam na odabiru D-Link proizvoda. Za dodatne informacije, podršku i upute za korištenje uređaja, molimo vas da posjetite D-Link internetsku stranicu na www.dlink.eu Web: www.dlink.biz/hr - D-Link DES-3526 | Product Manual - Page 316
Tehnična podpora Zahvaljujemo se vam, ker ste izbrali D-Link proizvod. Za vse nadaljnje informacije, podporo ter navodila za uporabo prosimo obiščite D-Link - ovo spletno stran www.dlink.eu Web: www.dlink.biz/sl - D-Link DES-3526 | Product Manual - Page 317
Suport tehnica Vă mulţumim pentru alegerea produselor D-Link. Pentru mai multe informaţii, suport şi manuale ale produselor vă rugăm să vizitaţi site-ul D-Link www.dlink.eu Web: www.dlink.ro - D-Link DES-3526 | Product Manual - Page 318
You can find software updates and user documentation on the D-Link website. Tech Support for customers in Australia: Tel: 1300-766-868 Monday to Friday 8:00am to 8:00pm EST Saturday 9:00am to 1:00pm EST http://www.dlink.com.au e-mail: [email protected] India: Tel: 1800-222-002 Monday to - D-Link DES-3526 | Product Manual - Page 319
You can find software updates and user documentation on the D-Link website. Tech Support for customers in Egypt: Tel: +202-2919035 or +202-2919047 Sunday to Thursday 9:00am to 5:00pm http://support.dlink-me.com e-mail: [email protected] Iran: Tel: +98-21-88822613 Sunday to Thursday 9:00am - D-Link DES-3526 | Product Manual - Page 320
D-Link. D-Link D-Link D-Link: +495-744-00-99 http://www.dlink.ru e-mail: [email protected] - D-Link DES-3526 | Product Manual - Page 321
Sitio Web www.dlinkla.com El servicio de soporte técnico tiene presencia en numerosos países de la Región Latino América, y presta asistencia gratuita a todos los clientes de D-Link, en forma telefónica e internet, a través de la casilla [email protected] Soporte Técnico Help Desk Argentina - D-Link DES-3526 | Product Manual - Page 322
.com.br. A D-Link fornece suporte técnico gratuito para clientes no Brasil durante o período de vigência da garantia deste produto. Suporte Técnico para clientes no Brasil: Telefone São Paulo +11-2185-9301 Segunda à sexta Das 8h30 às 18h30 Demais Regiões do Brasil 0800 70 24 104 E-mail: e-mail - D-Link DES-3526 | Product Manual - Page 323
D-Link D-Link台灣 D-Link 0800-002-615 8:30到晚上9:00 網 站：http://www.dlink.com.tw [email protected] D-Link http://www.dlink.com.tw - D-Link DES-3526 | Product Manual - Page 324
Teknis Update perangkat lunak dan dokumentasi pengguna dapat diperoleh pada situs web D-Link. Dukungan Teknis untuk pelanggan: Dukungan Teknis D-Link melalui telepon: Tel: +62-21-5731610 Dukungan Teknis D-Link melalui Internet: Email : [email protected] Website : http://support.dlink.co.id - D-Link DES-3526 | Product Manual - Page 325
技术支持 D-Link 36 B 座 26F 02-05 100013 8008296688/ (028)66052968 028)85176948 36 心 B 座 26F 02-05 100013 010) 58257789 010) 58257790 网址：http://www.dlink.com.cn 09:00到晚18:00 - D-Link DES-3526 | Product Manual - Page 326
D-Link House, Abbey Road Park Royal, London NW10 7BX United Kingdom TEL: +44 (0)20 8955 9000 FAX: +44 (0)20 8955 9001 URL: www.dlink.co.uk Austria Millennium Tower Handelskai 94-96 A-1200 WIEN, Austria TEL: +43 (0)1 240 27 270 FAX: +43 (0)1 240 27 271 URL: www.dlink.at Belgium Rue des - D-Link DES-3526 | Product Manual - Page 327
organization Telephone Fax Organization's full address Country Date of purchase (Month the following questions help us to support your product: 1. Where and how TCP/IP DECnet Others 4. What network operating system(s) does your organization use ? D-Link LANsmart Database management Accounting - D-Link DES-3526 | Product Manual - Page 328
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®
©Copyright 2008. All Rights Reserved
User Manual
Product Model:
xStack
®
DES-3500 Series
Layer 2 Managed Stackable Fast Ethernet Switch
Release 5.1