D-Link DGS-3048 Product Manual

D-Link DGS-3048 - Switch Manual

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  • D-Link DGS-3048 | Product Manual - Page 1
    D-Link ™ DGS-3048 Managed 48-Port Gigabit Ethernet Switch Manual
  • D-Link DGS-3048 | Product Manual - Page 2
  • D-Link DGS-3048 | Product Manual - Page 3
    DGS-3048 Gigabit Ethernet Switch Manual Information in this document is subject to change without notice. © 2005 D-Link Computer Corporation. All rights reserved. Reproduction in any manner whatsoever without the written permission of D-Link in accordance with this user's guide, may cause harmful
  • D-Link DGS-3048 | Product Manual - Page 4
    DGS-3048 Gigabit Ethernet Switch Manual Table of Contents Intended Readers...6 Notes, Notices, and Cautions ...6 Safety Time Connecting to The Switch ...11 Password Protection...12 SNMP Settings...13 Traps ...13 MIBs ...13 IP Address Assignment ...13 Connecting Devices to the Switch ...15 Web-Based
  • D-Link DGS-3048 | Product Manual - Page 5
    DGS-3048 Gigabit Ethernet Switch Manual Login to Web Manager ...16 Web-based User Interface ...18 Areas of the User Interface ...18 Switch Information ...19 Administration ...21 Switch Information ...21 IP Address...22 Port Configuration...23 Port Settings ...23 Port Description ...25 User Accounts
  • D-Link DGS-3048 | Product Manual - Page 6
    DGS-3048 Gigabit Ethernet Switch Manual Bandwidth Control...73 Traffic Control ...74 802.1p Default Priority ...74 802.1p User Priority...75 QoS Scheduling Mechanism ...76 QoS Output ...89 Enable Method Lists ...91 Configure Local Enable Password ...92 Secure Socket Layer (SSL) ...93 Configuration
  • D-Link DGS-3048 | Product Manual - Page 7
    DGS-3048 Gigabit Ethernet Switch Manual Monitoring ...98 CPU Utilization...98 Port Utilization...99 Packets ...100 Received (RX)...100 UMB Cast (RX) ...101 Transmitted (TX) ...102 Size...103 Router Port ...104 Session Table ...104 Port Access Control ...105 RADIUS Authentication ...105 MAC Address
  • D-Link DGS-3048 | Product Manual - Page 8
    DGS-3048 Gigabit Ethernet Switch Manual Preface The DGS-3048 Manual is divided into chapters that describe the system installation and operating instructions with examples. Section 1, "Introduction" - Describes the Switch and its features. Section 2, "Unpacking and Setup" - Helps you get started
  • D-Link DGS-3048 | Product Manual - Page 9
    DGS-3048 Gigabit Ethernet Switch Manual Safety Instructions Use the following safety guidelines to wet environment. If the system gets wet, see the appropriate section in your troubleshooting guide or contact your trained service provider. • Do not push any objects into the openings of your system
  • D-Link DGS-3048 | Product Manual - Page 10
    DGS-3048 Gigabit Ethernet Switch Manual • Position system cables and power cables carefully; route cables rack. Thus, "component" refers to any system as well as to various peripherals or supporting hardware. CAUTION: Installing systems in a rack without the front and side stabilizers installed could
  • D-Link DGS-3048 | Product Manual - Page 11
    DGS-3048 Gigabit Ethernet Switch Manual Safety Instructions (continued) Always load the rack from the bottom provided to components in the rack. Do not step on or stand on any component when servicing other components in a rack. NOTE: A qualified electrician must perform all connections to DC power
  • D-Link DGS-3048 | Product Manual - Page 12
    DGS-3048 Gigabit Ethernet Switch Manual Protecting Against Electrostatic Discharge Static electricity can harm delicate components inside your system. To prevent static the same or equivalent type recommended by the manufacturer. Discard used batteries according to the manufacturer's instructions. x
  • D-Link DGS-3048 | Product Manual - Page 13
    -3048 Gigabit Ethernet Switch Manual 1 Introduction This section describes the features of the DGS-3048. Features The DGS-3048 was designed for departmental and enterprise connections. As an all-gigabit-port Switch, it is ideal for backbone and server connection. Powerful and versatile, the Switch
  • D-Link DGS-3048 | Product Manual - Page 14
    the counters for the receive functions only. However, the DGS-3048 provides counters for both receive and transmit functions. • Supports Web-based management. • TFTP Client support. • DHCP Client support. • Password enabled. • Telnet remote control console. • Broadcast storm control. • Multicast
  • D-Link DGS-3048 | Product Manual - Page 15
    the following items: • A DGS-3048 48-Port Gigabit Layer 2 Ethernet Switch • A mounting kit: 2 mounting brackets and screws • Four rubber feet with adhesive backing • One or two AC power cords • A printed Quick Installation Guide • D-View 5.1 demo CD-ROM • This Manual with Registration Card on CD
  • D-Link DGS-3048 | Product Manual - Page 16
    DGS-3048 Gigabit Ethernet Switch Manual Rack Installation The DGS-3048 can be mounted in an EIA standard-sized, 19-inch rack, which can be placed in a wiring closet with other equipment. To install, attach the mounting brackets on the Switch's side panels (one on each side) and secure them with the
  • D-Link DGS-3048 | Product Manual - Page 17
    Ethernet Switch Manual Power Failure As a precaution in the event of a power failure, unplug the Switch. When power is resumed, plug the Switch back in. External Redundant Power System The Switch supports an external redundant power system. Figure 2-3. DPS-500 in DPS-900 Case with DGS-3048 Figure
  • D-Link DGS-3048 | Product Manual - Page 18
    DGS-3048 Gigabit Ethernet Switch Manual 3 Identifying External Components This chapter describes the front panel, rear panel, side panels, and LED indicators of the DGS-3048. Front Panel The front panel of the Switch consists of LED indicators, an RS-232 communication port, 48 1000BASE-T ports,
  • D-Link DGS-3048 | Product Manual - Page 19
    DGS-3048 Gigabit Ethernet Switch Manual Figure 3-3. Side Panel Views of the Switch • The system fans are used to Indicators The LED indicators of the Switch include Power, Console, RPS, Speed, and Link/Activity. The following shows the LED indicators for the Switch along with an explanation of each
  • D-Link DGS-3048 | Product Manual - Page 20
    DGS-3048 Gigabit Ethernet Switch Manual 4 Connecting the Switch This chapter describes how to connect the DGS-3048 to your Gigabit Ethernet network. Switch of the ports of the Switch. Figure 4-1. Switch Connected to an End Node The Link/Act LEDs light green when the link is valid. A blinking green
  • D-Link DGS-3048 | Product Manual - Page 21
    DGS-3048 Gigabit Ethernet Switch Manual Figure 4-2. Switch Connected to a Normal (non-Uplink) Port on a Hub or Switch Using a Straight or Crossover Cable Switch to Core Router Switch This connection can be accomplished using the following fiber optic media: • SFP Transceiver for 1000BASE-LX Single-
  • D-Link DGS-3048 | Product Manual - Page 22
    DGS-3048 Gigabit Ethernet Switch Manual 5 Introduction to Switch Management Management Options This system may be managed out-of-band through the console port on the front panel or in-band using Telnet. The user running terminal emulation software. Set the terminal emulation software as follows:
  • D-Link DGS-3048 | Product Manual - Page 23
    DGS-3048 Gigabit Ethernet Switch Manual NOTE: When you use HyperTerminal with the Microsoft® Windows® 2000 operating system, ensure that you have Windows 2000 Service Pack 2 or later installed. Windows 2000 Service Pack 2 allows you to use arrow keys in HyperTerminal's VT100 emulation. See www.
  • D-Link DGS-3048 | Product Manual - Page 24
    Ethernet Switch Manual User Name:xxxx DGS3048# Figure 5-2. Command Prompt NOTE: The first user automatically gets Administrator level privileges. It is recommended to create at least one Admin-level user account for the Switch. Password Protection The DGS-3048 does not have a default user name
  • D-Link DGS-3048 | Product Manual - Page 25
    or read-write. IP Address Assignment Each Switch must be assigned its own IP Address, which is used for communication with an SNMP network manager or other TCP/IP application (for example TFTP). The Switch's default IP address is 10.90.90.90. You can change the default Switch IP address to meet the
  • D-Link DGS-3048 | Product Manual - Page 26
    DGS-3048 Gigabit Ethernet Switch Manual DGS3048# show switch Device Type : Ethernet Switch MAC Address : 00:23:46:05:54:00 IP Address : 10.6.22.111 VLAN Name : 1 Subnet Mask : 255.255.255.224 Default Gateway : 10.6.22.97 Boot PROM Version : 1.0.0.02 Firmware Version : 1.0.0.10 Hardware
  • D-Link DGS-3048 | Product Manual - Page 27
    DGS-3048 Gigabit Ethernet Switch Manual Connecting Devices to the Switch After you assign IP addresses to the Switch, you can connect devices to the Switch. To connect a device to an SFP transceiver port: • Use your cabling requirements to select an appropriate SFP transceiver type. • Insert the SFP
  • D-Link DGS-3048 | Product Manual - Page 28
    http://123.123.123.123, where the numbers 123 represent the IP address of the Switch. Please note that the proxy for session connection should be turned off. NOTE: The Factory default IP address for the Switch is 10.90.90.90. In the page that opens, type your user name and password and click OK: 16
  • D-Link DGS-3048 | Product Manual - Page 29
    DGS-3048 Gigabit Ethernet Switch Manual Figure 6-1. Enter Network Password Dialog Box 17
  • D-Link DGS-3048 | Product Manual - Page 30
    DGS-3048 Gigabit Ethernet Switch Manual Web-based User Interface The user interface provides access to various Switch configuration and management windows, allows you to view performance statistics, and permits you to graphically monitor the system status. Areas of the User Interface The figure
  • D-Link DGS-3048 | Product Manual - Page 31
    DGS-3048 Gigabit Ethernet Switch Manual NOTE: Be sure to configure the user name and password in the User Account Management window (Administration → User Accounts) before connecting the Switch to the greater network. Switch Information Figure 6-3. Switch Information (Basic Settings) Window The
  • D-Link DGS-3048 | Product Manual - Page 32
    802.1x Syslog State DGS-3048 Gigabit Ethernet Switch Manual The Switch's 802.1x function may be enabled by port; the default is Disabled. This field must be enabled to view and configure certain windows for 802.1x. More information regarding 802.1x, its functions and implementation
  • D-Link DGS-3048 | Product Manual - Page 33
    DGS-3048 Gigabit Ethernet Switch Manual 7 Administration The first Web Manager main folder is Administration and includes the following windows and sub-folders: IP Address, Switch Information, Advanced Settings, Port Configuration, Port Mirroring, Link Aggregation, IGMP Snooping, Spanning Tree,
  • D-Link DGS-3048 | Product Manual - Page 34
    Parameter DGS-3048 Gigabit Ethernet Switch Manual Description system. You may also want to include a phone number or extension. IP Address Figure 7-2. Switch IP Settings Window This window is used to determine whether the Switch should get its IP Address settings from the user (Manual), a DHCP
  • D-Link DGS-3048 | Product Manual - Page 35
    DGS-3048 Gigabit Ethernet Switch Manual Port Configuration Port Settings Port settings can be done in the following window. To open the Port Configuration Window click on the Port Configuration folder and choose the Port Settings link. Figure 7- 3. Port Configuration Window To configure Switch ports
  • D-Link DGS-3048 | Product Manual - Page 36
    DGS-3048 Gigabit Ethernet Switch Manual default is Disabled. Learning Enable or disable MAC address learning for the selected ports. When Enabled, destination and source MAC addresses are automatically listed in the forwarding table. When learning is Disabled, MAC addresses must be manually
  • D-Link DGS-3048 | Product Manual - Page 37
    DGS-3048 Gigabit Ethernet Switch Manual Port Description Port settings are presented in following window. To open the Port Description Window click on the Port Configuration folder and choose the Port Description link. Figure 7- 4. Port Description Window The following parameters can be set:
  • D-Link DGS-3048 | Product Manual - Page 38
    DGS-3048 Gigabit Ethernet Switch Manual Figure 7- 5. User Account Management Window The information on the window is described as follows: Parameter Description User Name Displays all current users for the Switch. Access Right Displays the current access level assigned to each corresponding
  • D-Link DGS-3048 | Product Manual - Page 39
    DGS-3048 Gigabit Ethernet Switch Manual Figure 7- 7. User Account Modify Table Window (Edit) To edit a User Account, fill in the appropriate information in the Old Password, New Password, and Confirm New Password fields. Click Apply to make your change take effect. The information on the window is
  • D-Link DGS-3048 | Product Manual - Page 40
    DGS-3048 Gigabit Ethernet Switch Manual Management User Account Management Add/Update/Delete User Accounts View User Accounts Admin Yes Yes User No No Table 7-1. Admin and User Privileges After establishing a User throughput problems. The port you are copying frames from should always support an
  • D-Link DGS-3048 | Product Manual - Page 41
    DGS-3048 Gigabit Ethernet Switch Manual cannot be the same port. System Log Settings The Switch Parameter Description Index Server IP Severity Facility Syslog server settings index. The IP address of the Syslog " facilities or they may use the "user-level" Facility. Those Facilities that have been
  • D-Link DGS-3048 | Product Manual - Page 42
    DGS-3048 Gigabit Ethernet Switch Manual Parameter Description 0 kernel messages 1 user UDP port number used for sending Syslog messages. The default is 514. To set the System Log Server configuration, Servers link. SNTP Settings Time Setting To configure the time settings for the Switch, open
  • D-Link DGS-3048 | Product Manual - Page 43
    DGS-3048 Gigabit Ethernet Switch Manual Figure 7- 11. Current Time: Status Window The following parameters can be set or are displayed: Parameter Description Current Time Time Source Current Time: Status Displays the time when the Switch was initially started for this session. Displays the
  • D-Link DGS-3048 | Product Manual - Page 44
    DGS-3048 Gigabit Ethernet Switch Manual Parameter Year Description Enter the current year, if you want to update the system clock. Month Enter the SNTP. Open the Administration folder, then the SNTP Setting folder and click on the Time Zone and DST link, revealing the following window. 32
  • D-Link DGS-3048 | Product Manual - Page 45
    DGS-3048 Gigabit Ethernet Switch Manual Figure 7- 12. Time Zone and DST Settings Window The following parameters can be set: Parameter Description Daylight Saving Time State Daylight Saving Time Offset in
  • D-Link DGS-3048 | Product Manual - Page 46
    The DGS-3048 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. TFTP Services Trivial File Transfer Protocol (TFTP) services allow the Switch's firmware to be upgraded by
  • D-Link DGS-3048 | Product Manual - Page 47
    DGS-3048 Gigabit Ethernet Switch Manual Download Firmware To update the Switch's firmware, click on the TFTP Services link in the Administration folder: Figure 7- 13. TFTP Services Window To download firmware, configure the following fields and click Start. Parameter Description Active Server
  • D-Link DGS-3048 | Product Manual - Page 48
    and the protocol used to access this information over the network. The DGS-3048 supports the SNMP versions 1, 2c, and 3. You can specify which version of the SNMP you want to use to monitor and control the Switch. The three versions of SNMP vary in the level of security provided between
  • D-Link DGS-3048 | Product Manual - Page 49
    DGS-3048 Gigabit Ethernet Switch Manual Figure 7- 15. SNMP View Table Configuration Window The SNMP Group created with this table maps SNMP users (identified in the SNMP User Entries link. SNMP Group Table An SNMP Group created with this table maps SNMP users (identified in the SNMP User Table)
  • D-Link DGS-3048 | Product Manual - Page 50
    DGS-3048 Gigabit Ethernet Switch Manual Figure 7- 17. SNMP Group Table Configuration Window The following parameters can be set: Parameter Description Group Name Type an alphanumeric string of up to 32 characters. This is used to identify the new SNMP group of SNMP users. Read View Name This
  • D-Link DGS-3048 | Product Manual - Page 51
    DGS-3048 Gigabit Ethernet Switch Manual Figure 7- 18. SNMP User user to enter a password. To implement changes made, click Apply. To return to the SNMP User Table, click the Show All SNMP User Table Entries link. To display a user table click on a user name in the User Name column. The SNMP User
  • D-Link DGS-3048 | Product Manual - Page 52
    DGS-3048 Gigabit Ethernet Switch Manual Figure 7- 20. SNMP User Table Display Window SNMP Community Table Use this table to create an SNMP community string to define the relationship between the SNMP manager and an agent. The community string acts like a password to permit access to the agent on
  • D-Link DGS-3048 | Product Manual - Page 53
    Parameter View Name Access Right DGS-3048 Gigabit Ethernet Switch Manual Description Type an alphanumeric string of up to 32 characters that is used to identify the group of MIB objects that a remote SNMP manager is allowed to access on the Switch. The view name must exist in the SNMP View Table.
  • D-Link DGS-3048 | Product Manual - Page 54
    DGS-3048 Gigabit Ethernet Switch Manual Figure7- 23. SNMP Host Table Configuration Window The following parameters can be set: Parameter Description Host IP Address Type the IP address of the remote management station that will serve as the SNMP host for the Switch. SNMP Version V1 - To
  • D-Link DGS-3048 | Product Manual - Page 55
    DGS-3048 Gigabit Ethernet Switch Manual The Trap configuration window enables/ disables SNMP Trap generation. It is possible to enable SNMP Trap during authentication. Figure 7- 25. SNMP Trap Configuration window To
  • D-Link DGS-3048 | Product Manual - Page 56
    DGS-3048 Gigabit Ethernet Switch Manual 8 L2 Features VLANs Understanding IEEE 802.1p Priority Priority tagging is a even slight delays, or for data from specified end users whose data transmissions warrant special consideration. The Switch allows you to further tailor how priority tagged data
  • D-Link DGS-3048 | Product Manual - Page 57
    DGS-3048 Gigabit Ethernet Switch Manual The DGS-3048 supports IEEE 802.1Q VLANs. The port untagging function can be used to remove the 802.1Q tag from packet headers to maintain compatibility with devices that are tag-unaware. The Switch's default is to assign all ports to a single 802.1Q VLAN named
  • D-Link DGS-3048 | Product Manual - Page 58
    DGS-3048 Gigabit Ethernet Switch Manual Figure 8- 1. IEEE 802.1Q Packet Forwarding 802.1Q VLAN Tags The figure below shows the 802.1Q VLAN tag. There are four additional octets inserted after the source MAC address VLAN ID (VID). The 3 bits of user priority are used by 802.1p. The VID is the VLAN
  • D-Link DGS-3048 | Product Manual - Page 59
    DGS-3048 Gigabit Ethernet Switch Manual Figure 8- 2. IEEE 802.1Q Tag The EtherType and VLAN ID are inserted after the MAC source address, but before the original EtherType/Length or Logical Link Control. Because the packet is now a bit longer than it was originally, the Cyclic Redundancy Check (CRC)
  • D-Link DGS-3048 | Product Manual - Page 60
    DGS-3048 Gigabit Ethernet Switch Manual Port VLAN ID Packets that are tagged (are carrying the 802.1Q VID information) can be transmitted from one 802.1Q compliant network device to another with the VLAN information intact. This allows 802.1Q VLANs to span network devices (and indeed, the entire
  • D-Link DGS-3048 | Product Manual - Page 61
    to the "default." Packets cannot cross VLANs. If a member of one VLAN wants to connect to another VLAN, the link must be through an external router. 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
  • D-Link DGS-3048 | Product Manual - Page 62
    DGS-3048 Gigabit Ethernet Switch Manual Parameter VLAN ID VLAN Name Ports Status Figure 8- 4. VLAN Status Window Description Displays the VLAN ID of an existing VLAN in the Modify window. VLANs can be identified by either the VID or the VLAN name. Displays the entry of a name for the new VLAN.
  • D-Link DGS-3048 | Product Manual - Page 63
    DGS-3048 Gigabit Ethernet Switch Manual Figure 8- 6. Second 802.1Q Static VLANs Window (Add) To return to the first 802.1Q Static VLANs window, click the Show All Static VLAN Entries link. To change an existing 802.1Q VLAN entry, click the Modify button of the corresponding entry you wish to modify.
  • D-Link DGS-3048 | Product Manual - Page 64
    DGS-3048 Gigabit Ethernet Switch Manual Figure 8- 7. Second 802.1Q Static VLANs Window (Modify) The following fields can then be set in either the Add or Modify 802.1Q Static VLANs windows: Parameter VID (VLAN ID) VLAN Name Port Settings Tag None Egress Description Allows the entry of a VLAN ID
  • D-Link DGS-3048 | Product Manual - Page 65
    DGS-3048 Gigabit Ethernet Switch Manual Parameter Forbidden Description Select this to specify the port as not being a member of the VLAN and that the port is forbidden from becoming a member of the VLAN dynamically. Click Apply to implement changes made. GVRP Port Settings In the L2 Futures
  • D-Link DGS-3048 | Product Manual - Page 66
    DGS-3048 Gigabit Ethernet Switch Manual Figure 8- 8. GVRP Settings Window The following fields can be set: Parameter Description From/To These two fields allow you to specify the range of ports that will be included in the VLAN that you are creating using the GVRP Settings window. Ingress
  • D-Link DGS-3048 | Product Manual - Page 67
    the port to dynamically become a member of a VLAN. GVRP is Disabled by default. Click Apply to implement changes made. Link Aggregation Port trunk groups are used to combine a number of ports together to make a single high-bandwidth data pipeline. The DGS-3048 supports up to four port trunk groups
  • D-Link DGS-3048 | Product Manual - Page 68
    DGS-3048 Gigabit Ethernet Switch 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 stream to arrive in the same order they were
  • D-Link DGS-3048 | Product Manual - Page 69
    DGS-3048 Gigabit Ethernet Switch Manual Clicking the Modify button will open the Link Aggregation Group Configuration window, shown below: Figure 8- 11. Link Aggregation Group Configuration Window (Modify) The user The type of port trunking supported by the DGS-3048 is Static. Members Port Choose
  • D-Link DGS-3048 | Product Manual - Page 70
    DGS-3048 Gigabit Ethernet Switch Manual Current IGMP Snooping Group Entries Open the IGMP Snooping folder in the L2 Features menu and click on the IGMP Snooping settings link. This will open the Current IGMP Snooping Group Entries window, as shown below: Figure 8- 12. Current IGMP Snooping Group
  • D-Link DGS-3048 | Product Manual - Page 71
    DGS-3048 Gigabit Ethernet Switch Manual Figure 8- 14. Current Static Router Port Window Clicking the Modify button will open the Static Router Port Entries window, shown below: 59
  • D-Link DGS-3048 | Product Manual - Page 72
    DGS-3048 Gigabit Ethernet Switch Manual Figure 8- 15. Current Static Router Port Window (Modify) Forwarding and Filtering Unicast Forwarding Open the Forwarding folder in the Configuration menu and click on the Unicast Forwarding link. This will open the Setup Static Unicast Forwarding Table window
  • D-Link DGS-3048 | Product Manual - Page 73
    DGS-3048 Gigabit Ethernet Switch Manual Parameter Allowed to go port Description Allows the selection of the port number on which the MAC address entered above set up Multicast Forwarding on the Switch. Open the Forwarding folder and click on the Multicast Forwarding link to see the entry window
  • D-Link DGS-3048 | Product Manual - Page 74
    DGS-3048 Gigabit Ethernet Switch Manual The following parameters can be set: Parameter Description VID The VLAN ID of the VLAN the corresponding MAC address belongs to. Multicast MAC Address The MAC address of the static source of multicast packets. This must be a multicast MAC address. Port
  • D-Link DGS-3048 | Product Manual - Page 75
    DGS-3048 Gigabit Ethernet Switch Manual 3. VLANs that will be shared must be added to the MSTP Instance ID (defined here as a VID List in the Current MST Configuration Identification window when configuring the settings for an MSTI ID). 802.1w Rapid Spanning Tree The Switch bridge links. Ports
  • D-Link DGS-3048 | Product Manual - Page 76
    DGS-3048 Gigabit Ethernet Switch Manual P2P Port A P2P port is also capable of rapid transition. P2P ports may be used to connect to other bridges. Under RSTP/MSTP, all ports operating in full-duplex mode are considered to be P2P ports, unless manually overridden through configuration. 802.1d/802.1w
  • D-Link DGS-3048 | Product Manual - Page 77
    DGS-3048 Gigabit Ethernet Switch Manual Figure 8- 21. STP Bridge Global Settings window - MSTP The following parameters can be set: Parameter Description STP Status Use the pull-down menu to enable or disable STP globally on the Switch. The default is Disabled. STP Version Use the pull-down
  • D-Link DGS-3048 | Product Manual - Page 78
    DGS-3048 Gigabit Ethernet Switch Manual held for the port will age out. The user may set a hop count from 1 to 20. The default is 20. Forwarding BPDU This field can be Enabled or Disabled. When Enabled, it allows the forwarding of STP BPDU packets from other network devices. The default is
  • D-Link DGS-3048 | Product Manual - Page 79
    DGS-3048 Gigabit Ethernet Switch Manual In addition to setting Spanning Tree parameters for use on the switch level, the Switch allows for the configuration of groups of ports, each port-group of which will have its own spanning tree, and will require some of its
  • D-Link DGS-3048 | Product Manual - Page 80
    DGS-3048 Gigabit Ethernet Switch Manual Figure 8- 23. Current MST Configuration Identification Window The window above contains the following information: Parameter Description Configuration Name A previously configured name set on the Switch to uniquely identify the MSTI (Multiple Spanning
  • D-Link DGS-3048 | Product Manual - Page 81
    DGS-3048 Gigabit Ethernet Switch Manual The user may configure the following parameters to create a MSTI in the Switch. Parameter Description MSTI ID Enter a number between 1 and 15 to set a new MSTI on the Switch from configured VLANs set on the Switch. Supported VIDs on the Switch range from
  • D-Link DGS-3048 | Product Manual - Page 82
    DGS-3048 Gigabit Ethernet Switch Manual Parameter Description MSTI ID Displays the MSTI ID previously set by the user. Type This field allows the user to choose a desired method for altering the MSTI settings. The user has two choices. Add VID - Select this parameter to add VIDs to the MSTI ID
  • D-Link DGS-3048 | Product Manual - Page 83
    the DGS-3048 implements 802.1P priority queuing. Figure 9- 1. Mapping QoS on the Switch The picture above shows the default priority setting for the Switch. Class-3 has the highest priority of the eight priority queues on the Switch. In order to implement QoS, the user is required to instruct the
  • D-Link DGS-3048 | Product Manual - Page 84
    DGS-3048 Gigabit Ethernet Switch Manual • Priority 4 is assigned to the Switch's Q4 queue. • Priority 5 is assigned to the Switch's Q5 queue. • Priority 6 is assigned to the Switch's Q6 queue. • Priority 7 is assigned to the Switch's Q7 queue. For strict priority-based scheduling, any packets
  • D-Link DGS-3048 | Product Manual - Page 85
    DGS-3048 Gigabit Ethernet Switch Manual Bandwidth Control Bandwidth control limits the amount of Multicast and Broadcast frames accepted and forwarded by the device. When Layer 2 frames are forwarded, Broadcast and Multicast frames are flooded to all ports on the relevant VLAN. This occupies
  • D-Link DGS-3048 | Product Manual - Page 86
    DGS-3048 Gigabit Ethernet Switch Manual Traffic Control Use the Traffic Control window to enable or disable storm control and adjust the threshold for multicast/broadcast/DLF (Destination Look Up Failure) storms. Traffic control settings are applied to individual Switch modules. To view the
  • D-Link DGS-3048 | Product Manual - Page 87
    DGS-3048 Gigabit Ethernet Switch Manual The Switch allows the assignment of a default 802.1p priority to each port on the Switch. In the Administration folder open the QoS folder and click 802.1p Default Priority, to view the window shown below. Figure 9- 4. Port Default Priority Assignment window
  • D-Link DGS-3048 | Product Manual - Page 88
    DGS-3048 Gigabit Ethernet Switch Manual Figure 9- 5. User Priority Configuration Window Once you have assigned a priority to the port groups on the Switch, you can then assign this Parameter Description Strict The highest class of service is the first to process traffic. That is, the highest class
  • D-Link DGS-3048 | Product Manual - Page 89
    DGS-3048 Gigabit Ethernet Switch Manual Parameter RoundRobin Description Use the weighted round-robin (WRR) algorithm to handle packets in an even distribution in priority classes of service. Click Apply to make your changes take effect. NOTE: The settings you assign to the queues, numbers 0-7,
  • D-Link DGS-3048 | Product Manual - Page 90
    DGS-3048 Gigabit Ethernet Switch Manual 10 Security The second Web Manager main folder is Security -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 a specified Local Area Network by
  • D-Link DGS-3048 | Product Manual - Page 91
    DGS-3048 Gigabit Ethernet Switch Manual Figure 10- 2. Three Functions of 802.1x The following Client is granted access to the LAN and/or Switch services. Figure 10- 3. Authentication Server Authenticator The Authenticator (the Switch) is an intermediary between the Authentication Server and the
  • D-Link DGS-3048 | Product Manual - Page 92
    DGS-3048 Gigabit Ethernet Switch Manual ` Figure 10- 4. Authenticator 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, the software
  • D-Link DGS-3048 | Product Manual - Page 93
    DGS-3048 Gigabit Ethernet Switch Manual Port-Based Network Access Control The original intent Bridge Port detects events that indicate the attachment of an active device at the remote end of the link, or an active device becoming inactive. These events can be used to control the authorization state
  • D-Link DGS-3048 | Product Manual - Page 94
    DGS-3048 Gigabit Ethernet Switch Manual Figure 10- 7. 802.1x Authenticator Parameter Window To configure the parameters, click the port number link. 82
  • D-Link DGS-3048 | Product Manual - Page 95
    DGS-3048 Gigabit Ethernet Switch Manual services to the client through the interface. If auto is selected, it will enable 802.1x and cause the port to begin in the unauthorized state, allowing only EAPOL frames to be sent and received through the port. The authentication process begins when the link
  • D-Link DGS-3048 | Product Manual - Page 96
    ReAuth DGS-3048 Gigabit Ethernet Switch Manual Authenticator and the authentication server. The default setting is 30 seconds. The maximum number of times that the Switch will retransmit an EAP Request to the client before it times out of the authentication sessions. The default setting
  • D-Link DGS-3048 | Product Manual - Page 97
    DGS-3048 Gigabit Ethernet Switch Manual RADIUS Server The RADIUS feature of the Switch allows you to facilitate centralized user administration as well as providing protection against a sniffing, active hacker. Click Security> 802.1x > Authentic RADIUS Server to open the Authentic RADIUS Server
  • D-Link DGS-3048 | Product Manual - Page 98
    DGS-3048 Gigabit Ethernet Switch Manual Trusted Host Go to the Security folder and click on the Trusted Host link; the following window will appear. . Figure 10- 9.Security IP Management Window Use security IP management to permit remote stations to manage the Switch. If you choose to define one or
  • D-Link DGS-3048 | Product Manual - Page 99
    DGS-3048 Gigabit Ethernet Switch Manual Please note that users granted access to the Switch will be granted normal user privileges on the Switch. To gain access to administrator level privileges, the user must access the Enable Admin using a CLI command. NOTE: TACACS+ is a separate entitie and are
  • D-Link DGS-3048 | Product Manual - Page 100
    DGS-3048 Gigabit Ethernet Switch Manual Figure 10- 11. Authentication Server Host Settings Window To add an Server Host: Parameter Description IP Address The IP address of the remote server host the user wishes to add. Protocol The protocol used by the server host. The user may choose one of
  • D-Link DGS-3048 | Product Manual - Page 101
    DGS-3048 Gigabit Ethernet Switch Manual Login Method Lists This command will configure a user-defined or default Login Method List of authentication techniques for users logging on to the Switch. The sequence of techniques implemented in this command will affect the authentication result. For
  • D-Link DGS-3048 | Product Manual - Page 102
    DGS-3048 Gigabit Ethernet Switch Manual Figure 10- 15. Login Method List - Add Window To define a Login Method List, set the following parameters and click Apply: Parameter Description Method List Name Enter a method list name defined by the user of up to 15 characters. Method 1, 2, 3, 4 The
  • D-Link DGS-3048 | Product Manual - Page 103
    DGS-3048 Gigabit Ethernet Switch Manual Enable Method Lists The Enable Method Lists window is used to set up Method Lists to promote users with user level privileges to Administrator (Admin) level privileges using authentication methods on the Switch. Once a user acquires normal user level
  • D-Link DGS-3048 | Product Manual - Page 104
    Parameter Method List Name Method 1, 2, 3, 4 DGS-3048 Gigabit Ethernet Switch Manual Description Enter a method list name defined by the user of up to 15 characters. The user may add one, or a combination of up to four of the following authentication methods to this method list: local_enable -
  • D-Link DGS-3048 | Product Manual - Page 105
    DGS-3048 Gigabit Ethernet Switch Manual Secure Socket Layer (SSL) Secure Sockets Layer or SSL is a security can be downloaded to the Switch by utilizing a TFTP server. The Switch supports SSLv3. Other versions of SSL may not be compatible with this Switch and may cause problems upon authentication
  • D-Link DGS-3048 | Product Manual - Page 106
    DGS-3048 Gigabit Ethernet Switch Manual Figure 10- 19. SSL Configuration Window To set up the SSL function on the Switch, configure the following parameters and click Apply. Parameter Description Status Use the pull-down menu to enable or disable the SSL status on the switch. The default is
  • D-Link DGS-3048 | Product Manual - Page 107
    DGS-3048 Gigabit Ethernet Switch Manual The steps required to use the SSH protocol for secure communication between a remote PC (the SSH client) and the Switch (the SSH server) are as follows: 1. Create a user account with admin-level access using the User Accounts window in the Administration
  • D-Link DGS-3048 | Product Manual - Page 108
    DGS-3048 Gigabit Ethernet Switch Manual Figure 10- 21. Encryption Algorithm Window The following algorithms may . Blow-fish CBC Blowfish encryption algorithm with Cipher Block Chaining. The default is Enabled. AES128-CBC Advanced Encryption Standard AES128 encryption algorithm with Cipher
  • D-Link DGS-3048 | Product Manual - Page 109
    Parameter Twofish256 DGS-3048 Gigabit Ethernet Switch Manual Description Twofish256 encryption algorithm. HMAC-SHA1 HMAC-MD5 Data Integrity Algorithm HMAC (Hash configuration set on a SSH server, for authentication. This field is Enabled by default. Click Apply to implement changes made. 97
  • D-Link DGS-3048 | Product Manual - Page 110
    DGS-3048 Gigabit Ethernet Switch Manual 11 Monitoring The fourth Web Manager main folder is Monitoring and includes the following windows and sub-folders: Port Utilization, Packets, Errors, Size, MAC Address, Switch History Log, IGMP Snooping Group, IGMP Snooping Forwarding, VLAN link Figure
  • D-Link DGS-3048 | Product Manual - Page 111
    DGS-3048 Gigabit Ethernet Switch Manual Description the Monitoring folder and then click the Port Utilization link: Figure 11-2. Utilization Window The following fields can be for seconds. The default value is one second. Select the number of times the Switch will be polled between 20 and
  • D-Link DGS-3048 | Product Manual - Page 112
    DGS-3048 Gigabit Ethernet Switch Manual Parameter Utilization Description The percentage of the . Received (RX) Click the Received (RX) link in the Packets folder of the Monitoring menu to view the following graph of packets received on the Switch. Figure 11-3. Rx Packets Analysis window (line
  • D-Link DGS-3048 | Product Manual - Page 113
    DGS-3048 Gigabit Ethernet Switch Manual UMB Cast (RX) Click the UMB Cast (RX) link in the Packets folder of the Monitoring menu to view the following graph of UMB cast packets received on the Switch. Figure 11-4. Rx Packets Analysis Window (line graph for Unicast, Multicast, and Broadcast Packets)
  • D-Link DGS-3048 | Product Manual - Page 114
    DGS-3048 Gigabit Ethernet Switch Manual Transmitted (TX) Click the Transmitted (TX) link in the Packets folder of the Monitoring menu to view the following graph of packets transmitted from the Switch. Figure 11-5. Tx Packets Analysis Window (line graph for Bytes and Packets) 102
  • D-Link DGS-3048 | Product Manual - Page 115
    DGS-3048 Gigabit Ethernet Switch Manual Size The Web Manager allows packets received by the Switch, arranged in six groups and classed by size, to be viewed as either a line graph or a table. Two windows are offered. Figure 11-6. Packet Size Analysis window (line graph) 103
  • D-Link DGS-3048 | Product Manual - Page 116
    DGS-3048 Gigabit Ethernet Switch Manual Router Port This displays the Switch's ports that are currently configured as router ports. A router port configured by a user the Switch is designated by D. To view the following window, open the Monitoring folder and click the Browse Router Port link.
  • D-Link DGS-3048 | Product Manual - Page 117
    DGS-3048 Gigabit Ethernet Switch Manual Port Access Control RADIUS Authentication Figure 11-9. RADIUS Authentication Window 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
  • D-Link DGS-3048 | Product Manual - Page 118
    DGS-3048 Gigabit Ethernet Switch Manual Figure 11-10. MAC Address Table Window The following fields can be viewed or set: Parameter Description VLAN ID MAC Address Find VID MAC Address Port Learned Next View All Entry Delete All Entry Enter a VLAN ID for the forwarding table to be browsed by.
  • D-Link DGS-3048 | Product Manual - Page 119
    DGS-3048 Gigabit Ethernet Switch 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 is displayed in the Reports field. To view
  • D-Link DGS-3048 | Product Manual - Page 120
    DGS-3048 Gigabit Ethernet Switch Manual Figure 11-12. IGMP Snooping Forwarding Table Window The user may search the IGMP Snooping Forwarding Table by VID clicking the top left hand corner Search button. The following field can be viewed: Parameter Description VLAN ID Multicast Group MAC Address
  • D-Link DGS-3048 | Product Manual - Page 121
    . Restart System Window Save Changes The DGS-3048 has two levels of memory, normal RAM and non-volatile or NV-RAM. Configuration changes are made effective by clicking the Apply button. When this is done, the settings will be immediately applied to the switching software in RAM, and will immediately
  • D-Link DGS-3048 | Product Manual - Page 122
    DGS-3048 Gigabit Ethernet Switch Manual Some settings, though, require you to restart the Switch before they will take effect. Restarting the Switch erases all settings in RAM and reloads the stored settings from the NV-RAM. Thus, it is necessary to save all setting changes to NV-
  • D-Link DGS-3048 | Product Manual - Page 123
    DGS-3048 Gigabit Ethernet Switch Manual A Technical Specifications Transmission Method Performance Store-and-forward RAM Buffer 512Kbytes per device Packet Filtering/ Forwarding Rate Full-wire speed for all connections. 1,488,095 pps per port (for 1000Mbps) MAC Address Learning Automatic
  • D-Link DGS-3048 | Product Manual - Page 124
    Mini-GBIC: Number of Ports: DGS-3048 Gigabit Ethernet Switch Manual General IEEE 802.1P Tagged Packets SFP Transceiver for 1000BASE-SX Multi-mode fiber module (550m) SFP Transceiver for 1000BASE-LHX Single-mode fiber module (40km) SFP Transceiver for 1000BASE-ZX Single-mode fiber module (80km) 48
  • D-Link DGS-3048 | Product Manual - Page 125
    DGS-3048 Gigabit Ethernet Switch Manual B Cable Lengths Use the following table to as a guide for the maximum cable lengths: Standard Media Type Mini GBIC DEM-310GT: SFP Transceiver for 1000BASE-LX, Single-mode fiber module DEM-311GT: SFP Transceiver for 1000BASE-SX, Multi-mode fiber module
  • D-Link DGS-3048 | Product Manual - Page 126
    DGS-3048 Gigabit Ethernet Switch Manual existing network protocols (i.e. IP, IPX, AppleTalk), existing is designed to carry a complete range of user traffic, including voice, data and video signals. to an end station that also supports auto-negotiation, the link can self-detect its optimum operating
  • D-Link DGS-3048 | Product Manual - Page 127
    DGS-3048 Gigabit Ethernet Switch Manual A GBIC allows designers to design one type of device that can be adapted for either optical or copper applications. GBICs also are hot-swappable, which adds to the ease of upgrading electro-optical communication networks. half-duplex - A system that allows
  • D-Link DGS-3048 | Product Manual - Page 128
    DGS-3048 Gigabit Ethernet Switch Manual VLAN - Virtual LAN. A group of location- and topology-independent devices that communicate as if they are on a common physical LAN. VLT - Virtual LAN Trunk. A Switch-to-Switch link which carries traffic for all the VLANs on each Switch. VT100 - A type of
  • D-Link DGS-3048 | Product Manual - Page 129
    Am besten dient ein angefeuchtetes Tuch zur Reinigung. Um eine Beschädigung des Gerätes zu vermeiden sollten Sie nur Zubehörteile verwenden, die vom IN CONNECTION WITH THE SALE, INSTALLATION MAINTENANCE OR USE OF D-LINK'S PRODUCTS. D-LINK SHALL NOT BE LIABLE UNDER THIS WARRANTY IF ITS TESTING AND
  • D-Link DGS-3048 | Product Manual - Page 130
    handling charge in addition mailing or shipping costs. Software: Warranty service for software products may be obtained by contacting a D-Link office within the applicable warranty period. A list of D-Link offices is provided at the back of this manual, together with a copy of the Registration Card
  • D-Link DGS-3048 | Product Manual - Page 131
    Link, or for which the purchase price is refunded, shall become the property of D-Link upon replacement or refund. Limited Software Warranty: D-Link warrants that the software portion of the product ("Software") will substantially conform to DLink ID Number from D-Link Technical Support at 1-877-453-
  • D-Link DGS-3048 | Product Manual - Page 132
    software, 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 with the instructions, may cause
  • D-Link DGS-3048 | Product Manual - Page 133
    equipment off and on, the user is encouraged to try to correct the interference by one or more of Consult the dealer or an experienced radio/TV technician for help. For detailed warranty information applicable to products purchased outside the United States, please contact the corresponding local
  • D-Link DGS-3048 | Product Manual - Page 134
    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 DGS-3048 | Product Manual - Page 135
    Limited Product Warranty Period"), if the product is used and serviced in accordance with the user manual and other documentation provided to the purchaser at the time of purchase (or as amended from time to time). D-LINK does not warrant that the products will operate uninterrupted or error-free or
  • D-Link DGS-3048 | Product Manual - Page 136
    stated in this card supersedes and replaces the warranty period as stated in the user's manual or in the purchase contract for the relevant products. For the avoidance of doubt, if you have purchased the relevant D-LINK product as a consumer your statutory rights remain unaffected. Performance
  • D-Link DGS-3048 | Product Manual - Page 137
    eingeschränkten Garantie verkauft wurden. Der Begriff „D-LINK Hardware-Produkte" beinhaltet nur Hardwarekomponenten und deren Bestandteile einschließlich Firmware. Der Begriff "D-LINK Hardware-Produkte" umfasst KEINE Software-Anwendungen oder -programme. Räumlicher Geltungsbereich der eingeschr
  • D-Link DGS-3048 | Product Manual - Page 138
    ührten Garantielaufzeiten gelten für alle D-LINK-Produkte, die in europäischen Staaten ab dem 1. Januar 2004 von DLINK oder einem autorisierten Fachhändler oder werden, gehen in das Eigentum von D-LINK über. Die verbliebene eingeschränkte Garantie des entfernten Teils oder Produkts wird auf das
  • D-Link DGS-3048 | Product Manual - Page 139
    spécifications ou aux interfaces requises ; (c) d'une mauvaise manipulation ; (d) d'une panne de biens ou de services acquis auprès d'une société tierce (non DLINK) ou qui ne font pas l'objet d'un contrat D-LINK de garantie ou de maintenance en bonne et due forme ; (e) d'une mauvaise utilisation ou
  • D-Link DGS-3048 | Product Manual - Page 140
    soit rapporté à un Centre de Service Agréé D-LINK pendant la période de garantie. D-LINK assure la réparation ou le remplacement dans un Centre de Service Agréé D-LINK. Les composants, pièces ou produits retirés dans le cadre de cette garantie limitée deviennent propriété de D-LINK. La pièce ou le
  • D-Link DGS-3048 | Product Manual - Page 141
    . El término "producto de hardware DLINK" se restringe a los componentes de hardware y a los componentes internos de estos, incluyendo el firmware. El término "producto de hardware D-LINK" NO incluye ni las aplicaciones ni los programas de software. Cobertura geográfica de la garantía limitada del
  • D-Link DGS-3048 | Product Manual - Page 142
    figura en esta tarjeta sustituye y reemplaza al período de garantía que consta en el manual del usuario o en el contrato de compra de los productos correspondientes. Para evitar dudas: si usted ha comprado el producto D-LINK correspondiente como consumidor, sus derechos legales no se ven afectados
  • D-Link DGS-3048 | Product Manual - Page 143
    del Prodotto hardware DLINK e non può essere trasferita a terzi che abbiano ottenuto la proprietà del Prodotto hardware D-LINK dal primo acquirente. Tipo de producto Período de garantía del producto Switch (solo switch dotati di agente SNMP incorporato) (inclusi moduli e software di gestione
  • D-Link DGS-3048 | Product Manual - Page 144
    garanzia definito nel manuale d'uso o nel contratto di acquisto del prodotto. Se avete acquistato un prodotto DLINK in qualità di (o di valore superiore) al prodotto non conforme. D-LINK può richiedere che venga esibita la prova di acquisto. Garante D-Link (Europe) Ltd. 4th Floor, Merit House Edgware
  • D-Link DGS-3048 | Product Manual - Page 145
    www.dlink.de France Le Florilege #.2, Allee de la Fresnerie 78330 Fontenay le Fleury France TEL: 33-1-30238688 FAX: 33-1-30238689 URL: www.dlink-france dlink-intl.com Australia 1 Giffnock Avenue, North Ryde, NSW 2113 Australia TEL: 61-2-8899-1800 FAX: 61-2-8899-1868 URL: www.dlink.com.au India D-Link
  • D-Link DGS-3048 | Product Manual - Page 146
  • D-Link DGS-3048 | Product Manual - Page 147
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D-Link ™ DGS-3048
Managed 48-Port Gigabit Ethernet Switch
Manual