Dell PowerConnect 2848 User's Guide

Dell PowerConnect 2848 Manual

Dell PowerConnect 2848 manual table of contents:

  • Dell PowerConnect 2848 | User's Guide - Page 1
    Dell™ PowerConnect™ 28xx Systems User Guide w w w. d e l l . c o m | s u p p o r t . d e l l . c o m
  • Dell PowerConnect 2848 | User's Guide - Page 2
    .... _____ Information in this document is subject to change without notice. © 2008 Dell Inc. All rights reserved. ... text: Dell, Dell OpenManage, the DELL logo, Inspiron, Dell Precision, Dimension, OptiPlex, PowerConnect, PowerApp, PowerVault, Axim, DellNet, and Latitude are trademarks of Dell Inc. ...
  • Dell PowerConnect 2848 | User's Guide - Page 3
    ... 9 9 9 10 10 11 11 11 13 13 14 15 16 16 System Description. PowerConnect 2808 ...PowerConnect 2816 ...PowerConnect 2824 ...PowerConnect 2848 ...Summary of PowerConnect Models Features ... General Features ...MAC Address Supported Features ...Layer 2 Features ...VLAN Supported ...
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    ... Internal Power Supply Connector 3 Installing the PowerConnect Device Installation Precautions . Site Requirements .../MDIX ...Flow Control ...Back Pressure ...Switching Port Default Settings ... 4 Starting and... . ... 39 40 41 44 45 ... ... Retrieving an IP Address From a DHCP Server 4 Contents...
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    ... . Management Modes . Default Values...Transitioning Between Modes Returning to Managed Mode . ... 5 Using Dell OpenManage Switch Administrator . Understanding the Interface . Device Representation ... ... Device IP Addresses . Running Cable Diagnostics ... 59 59 59 61 62 63 64 64 65 ...
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    ...... Configuring DHCP Properties ...Defining Network Pool ...Excluding Addresses ...Manually Allocating IP Addresses (Static Hosts) Configuring Address Binding... ...Enabling Storm Control ...Defining Port Mirroring Sessions . Configuring Address Tables Viewing Dynamic Addresses ....
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    Configuring Rapid Spanning Tree . Configuring VLANs . Defining VLAN Members ...VLAN Port Membership Table Defining VLAN Ports Settings . Defining VLAN LAG Settings . Aggregating Ports Defining LAG Membership Multicast Forwarding Support . ... 124 126 126 128 ...
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    ...exit (EXEC) ...Command: help ...Command: interface ethernet...Command: interface port-channel ...Command: interface vlan ...Command: ip address ...Command: ip default-gateway ...Command: login ...Command: ping ...Commad: reload ......
  • Dell PowerConnect 2848 | User's Guide - Page 9
    ... needed for installing, configuring and maintaining the PowerConnect 2808, PowerConnect 2816, PowerConnect 2824,... 28xx switches can be used to connect workstations and other network devices, such ...copper ports PowerConnect 2816 The following figure illustrates the PowerConnect 2816 front panel. Dell...
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    ... 1-2. PowerConnect 2816 Front Panel The PowerConnect 2816 supports the following ports: • 16 Gigabit Ethernet copper ports PowerConnect 2824 The following figure illustrates the ... copper ports 4 SFP combo ports (1000BASE-SX or 1000BASE-LX) 10 Dell PowerConnect 28xx Systems User ...
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    Summary of PowerConnect Models The following table summarizes the PowerConnect models. Table 1-1. PowerConnect Models Model PowerConnect 2808 PowerConnect 2816 PowerConnect 2824 PowerConnect 2848 Copper... basis. The default status on all ports is set to OFF. Dell PowerConnect 28xx Systems...
  • Dell PowerConnect 2848 | User's Guide - Page 12
    ... server-to-server transfers. AutoMDI/MDIX Support The switch automatically detects whether the cable connected to an RJ-45 port is crossed or straight ...user action, the following parameters are detected Cable Type and Status Cable Length Fault-Distance 12 Dell PowerConnect 28xx Systems User Guide
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    MAC Address Supported Features MAC Address Capacity Support The PowerConnect 2808, 2816, 2824 switches support a total of 8K MAC addresses, and the PowerConnect 2848 supports a total of 16K MAC addresses. Auto-Learning MAC Addresses The switch enables MAC ...
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    ... Based Virtual LANs (VLANs) Port-based VLANs classify incoming packets to VLANs based on their ingress port. Link Aggregation The PowerConnect 28xx switches support up to six aggregated links. Each of the six aggregated links may be ...
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    ... replies. The information replied is then used to provide the switch system with a TFTP server IP address and a download file name. The ... forwarding loops. STP Root Guard Root guard restricts the interface from functioning as the root port for the switch Dell PowerConnect 28xx Systems User Guide 15
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    ... the system can be monitored and configured. TFTP Trivial File Transfer Protocol The PowerConnect 28xx switches support software boot image and software ... and to view the results, using the Web management interface in the system. 16 Dell PowerConnect 28xx Systems User Guide
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    2 Hardware Description Switch Port Configurations PowerConnect 28xx Front and Back Panel Port Description The Dell™ PowerConnect™ 28xx ... management modes and transitioning between them, see "Management Modes" on page 49. Dell PowerConnect 28xx Systems User Guide 17
  • Dell PowerConnect 2848 | User's Guide - Page 18
    Figure 2-2. PowerConnect 2808 Back Panel Figure 2-3. PowerConnect 2816 Front Panel On the front panel there are 16 ports which are ... modes and transitioning between them, see "Management Modes" on page 49. Figure 2-4. PowerConnect 2816 Back Panel 18 Dell PowerConnect 28xx Systems User Guide
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    Figure 2-5. PowerConnect 2824 Front Panel On the front panel there are 24 ports which are numbered 1 to 24, top down and ...to reset the device. For more information about management modes and transitioning between them, see "Management Modes" on page 49. Dell PowerConnect 28xx Systems User Guide 19
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    Figure 2-6. PowerConnect 2824 Back Panel Figure 2-7. PowerConnect 2848 Front Panel On the front panel there are 48 ports, which are ...operations status, and the Power LED on the front panel indicates whether the device is powered on or not. A Mode push- 20 Dell PowerConnect 28xx Systems User Guide
  • Dell PowerConnect 2848 | User's Guide - Page 21
    ... 2848 Back Panel Physical Dimensions The PowerConnect 2808 switch has the following physical dimensions Height... Depth - 161.7 mm (6.366 in.) The PowerConnect 2816 and PowerConnect 2824 switches have the following ...power supply, fan status, and Managed Mode status. Dell PowerConnect 28xx Systems ...
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    ... Solid Off Description The switch is turned on. The switch is not turned on. Managed Mode LED On the PowerConnect 28xx front panel there is a Managed Mode LED monitoring the switch node as ... figure illustrates the RJ-45 10/100/1000BASE-T LEDs. 22 Dell PowerConnect 28xx Systems User ...
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    ... 2848 switch has three fans and the PowerConnect 2824 switch has one fan for system ventilation. The PowerConnect 2808 and PowerConnect 2816 devices have no internal fans. Dell PowerConnect 28xx Systems User Guide 23
  • Dell PowerConnect 2848 | User's Guide - Page 24
    ... through standard RJ-45 connectors to the switch physical interface ports, located on the front panel. For each device, the supported mode is set to Half ... for 10/100/ 1000BASE-T Ethernet Port Pin No 1 2 3 4 5 Function TxRx 1+ TxRx 1TxRx 2+ TxRx 2TxRx 3+ Dell PowerConnect 28xx Systems User Guide 24
  • Dell PowerConnect 2848 | User's Guide - Page 25
    ... 1000BASE-T Ethernet Port Pin No 6 7 8 Function TxRx 3TxRx 4+ TxRx 4- SFP Ports The PowerConnect 2824 switch supports two SFP transceivers combo ports, and...-inverted data out; AC coupled. Receiver ground (common with transmitter ground) Dell PowerConnect 28xx Systems User Guide 25...
  • Dell PowerConnect 2848 | User's Guide - Page 26
    ...internal power supply. Internal Power Supply Connector The PowerConnect 28xx supports a single internal power supply to provide power for switching operations. The.... The AC power connector is located on the back panel of the switch. 26 Dell PowerConnect 28xx Systems User Guide
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    3 Installing the PowerConnect Device This section contains information about device unpacking, location, installation, and cable connections. Installation ... that the airflow around the front, sides, and back of the device is not restricted. • • Dell PowerConnect 28xx Systems User Guide 27
  • Dell PowerConnect 2848 | User's Guide - Page 28
    ...for installation Documentation CD • Product Information Guide Unpacking the Device To unpack the PowerConnect device: NOTE: Before unpacking the device, inspect the packaging and ..., stable and clean surface. 4 Remove all packing material. 28 Dell PowerConnect 28xx Systems User ...
  • Dell PowerConnect 2848 | User's Guide - Page 29
    ... on one side of the device ensuring the mounting holes on the device line up to the mounting holes on the rack mounting bracket. The following figure illustrates where to mount the brackets. Dell PowerConnect 28xx Systems User Guide 29
  • Dell PowerConnect 2848 | User's Guide - Page 30
    ...a flat surface if it is not installed on a rack. The surface must be able to support the weight of the device and the device cables. 1 Attach the self-... cm) on each side and 5 inches (12.7 cm) at the back. 3 Ensure that the device has proper ventilation. 30 Dell PowerConnect 28xx Systems User Guide
  • Dell PowerConnect 2848 | User's Guide - Page 31
    ... with a screwdriver. 4 Repeat the process for the wall-mounting bracket on the other side of the device. 5 Place the device on the wall in the location where the device is being installed. Dell PowerConnect 28xx Systems User Guide 31
  • Dell PowerConnect 2848 | User's Guide - Page 32
    .... Standard straight-through twisted-pair cables can be used to connect to any other Ethernet network (systems, servers, switches or routers) that supports auto-negotiation. 32 Dell PowerConnect 28xx Systems User Guide
  • Dell PowerConnect 2848 | User's Guide - Page 33
    ... system running terminal emulation software for monitoring and configuring the device. The Console port connector is a male DB-9 connector, implemented ... Go to www.microsoft.com for information on Windows 2000, Windows XP, and Windows Vista service packs. Dell PowerConnect 28xx Systems User Guide 33
  • Dell PowerConnect 2848 | User's Guide - Page 34
    ... Connecting to Power Supply 3 After connecting the device to a power source, confirm that the device is connected and operating correctly by examining the LEDs on the front panel. 34 Dell PowerConnect 28xx Systems User Guide
  • Dell PowerConnect 2848 | User's Guide - Page 35
    ...end, and Rx is wired to Rx, a link is not established. When selecting cables to connect the device ports to their networking peers, straight through ... Ethernet Port Pin No Function 1 2 3 4 5 6 7 8 TxRx 1+ TxRx 1TxRx 2+ TxRx 2TxRx 3+ TxRx 3TxRx 4+ TxRx 4- Dell PowerConnect 28xx Systems User Guide 35
  • Dell PowerConnect 2848 | User's Guide - Page 36
    ...or is not set to auto-negotiation, both the device switching port and the NIC must be manually set to the same speed and duplex mode. ... additional traffic temporarily. The receiving side may occupy a link so it becomes unavailable for additional traffic. 36 Dell PowerConnect 28xx Systems User Guide
  • Dell PowerConnect 2848 | User's Guide - Page 37
    Switching Port Default Settings The following table gives the port default settings. Table 3-3. Port Default Settings Function Port ... copper: auto-negotiation full duplex Enabled No tagging On Off (disabled on ingress) On (relevant to coppers ports only) Dell PowerConnect 28xx Systems User Guide 37
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    ... required if the device is to be used in a managed mode. NOTE: The PowerConnect 2808 has an internal serial port. NOTE: Before proceeding, read the release notes ...other procedures. For initial configuration, the standard device configuration is performed. Dell PowerConnect 28xx Systems ...
  • Dell PowerConnect 2848 | User's Guide - Page 40
    ... in this section refers to the device when set to operate as a managed switch. The PowerConnect 2808/16/24/48 models include a built-in dual purpose Mode Button. To change...via the RS-232 crossover cable. 2 Locate an AC power receptacle. 40 Dell PowerConnect 28xx Systems User Guide
  • Dell PowerConnect 2848 | User's Guide - Page 41
    ... wizard and configure the device manually through the device CLI mode (see "Managing the Device Using the CLI" on page 157. The Setup Wizard configures the following fields. Dell PowerConnect 28xx Systems User Guide 41
  • Dell PowerConnect 2848 | User's Guide - Page 42
    ...The system is not setup for SNMP management by default. To manage the switch using SNMP (required for Dell Network Manager) you can: *Setup the initial SNMP... [Y] to continue the Set-up wizard. The following information displays: 42 Dell PowerConnect 28xx Systems User Guide
  • Dell PowerConnect 2848 | User's Guide - Page 43
    ... [Privilege Level 15] to this account. You can use Dell Network Manager or CLI to change this setting, and to add additional management systems. For more ... the device (A.B.C.D):10.6.22.100 Please enter the IP subnet mask (A.B.C.D or nn):[255.255.255.224] Dell PowerConnect 28xx Systems User Guide 43
  • Dell PowerConnect 2848 | User's Guide - Page 44
    ... interface. Configuring user account...Configuring IP and subnet...Thank you for using Dell Easy Setup Wizard. Advanced Configuration This section provides information about dynamic...address, and may include subnet mask and default gateway. 44 Dell PowerConnect 28xx Systems User Guide
  • Dell PowerConnect 2848 | User's Guide - Page 45
    ... device acts as a DHCP client. When the device is reset, the DHCP command is saved in the configuration file, but not the IP address. To configure the device so it... Image Validation Test...PASS BOOT Software Version 1.0.0.20 Built 22-Jan-xxxx 15:09:28 Dell PowerConnect 28xx Systems User Guide 45
  • Dell PowerConnect 2848 | User's Guide - Page 46
    ... File In some cases, the device configuration must be erased. If the configuration is erased, all parameters configured via CLI, EWS or SNMP must be reconfigured. 46 Dell PowerConnect 28xx Systems User Guide
  • Dell PowerConnect 2848 | User's Guide - Page 47
    ...a system image through the TFTP server: 1 Ensure that an IP address is configured on one of the device ports and pings can be sent to a TFTP server. 2 Make sure that the file to be downloaded is saved on the TFTP server (the ros file). Dell PowerConnect 28xx Systems User Guide 47...
  • Dell PowerConnect 2848 | User's Guide - Page 48
    .... To download a boot image through the TFTP server: 1 Ensure that an IP address is configured on one of the device ports and pings can be sent to a ... message is displayed: console# reload This command will reset the whole system and disconnect your current 48 Dell PowerConnect 28xx Systems User Guide
  • Dell PowerConnect 2848 | User's Guide - Page 49
    ... Managed Mode LED provides an indication of the current mode (see "On the PowerConnect 28xx front panel there is a Managed Mode LED monitoring the switch node as well... - R/W privilege DHCP Client - Off Flow Control - On STP - Off Dell PowerConnect 28xx Systems User Guide 49...
  • Dell PowerConnect 2848 | User's Guide - Page 50
    Transitioning Between Modes The following diagram summarizes movement between modes: Figure 4-2. Transitioning Between Management Modes 50 Dell PowerConnect 28xx Systems User Guide
  • Dell PowerConnect 2848 | User's Guide - Page 51
    ... When restoring local configuration, this option uses the system default IP address, user name and password. Apply Changes - The selected configuration is restored and the device reboots. • • Dell PowerConnect 28xx Systems User Guide 51
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    5 Using Dell OpenManage Switch Administrator This section provides an introduction to the user interface. Understanding the Interface The ... 5-1. Switch Administrator Components Table 5-1 lists the interface components with their corresponding numbers. Dell PowerConnect 28xx Systems User Guide 53
  • Dell PowerConnect 2848 | User's Guide - Page 54
    ... about the device and access to Dell Support. For more information, see "Information Buttons." 2 4 Device Representation The PowerConnect home page contains a graphical device representation of the front panel. Figure 5-2. Port LED Indicators 54 Dell PowerConnect 28xx Systems User Guide
  • Dell PowerConnect 2848 | User's Guide - Page 55
    ...Port LEDs are not reflected in PowerConnect front panel in the PowerConnect OpenManage Switch Administrator. LED ... Help Description Opens the Dell Support page at support.dell.com. Online help containing ... of the application and closes the browser window. About Log Out Dell PowerConnect 28xx Systems...
  • Dell PowerConnect 2848 | User's Guide - Page 56
    ... information about management modes, see "Management Modes" on page 49. 4 Click OK. The Dell PowerConnect OpenManage™ Switch Administrator home page opens. Access ... the following modes, based upon the access level assigned to you: 56 Dell PowerConnect 28xx Systems User Guide
  • Dell PowerConnect 2848 | User's Guide - Page 57
    ... see a subset of the interface pages, but you cannot edit them. For more information about setting the access level, see ("Defining the Local User Databases" on page 69). Dell PowerConnect 28xx Systems User Guide 57
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  • Dell PowerConnect 2848 | User's Guide - Page 59
    ...Device Information The General page contains links to pages for configuring device parameters. Viewing Device Information The Asset page contains parameters for configuring general device information, including the system ..., location, and contact, the system MAC Address, System Object ID, date, time...
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    ... subsystem contained in the entity. Service Tag - Specifies the service reference number used when servicing the device. Asset Tag (0-16 Characters) - Specifies the user-defined device reference. Serial No. - Specifies the device serial number. ...
  • Dell PowerConnect 2848 | User's Guide - Page 61
    ...: 1 Open the Asset page. 2 Define the relevant fields. 3 Click Apply Changes. The system parameters are defined, and the device is updated. Initiating a Telnet Session: 1 Open the Asset page. 2 Click Telnet. A Telnet session is initiated. ...
  • Dell PowerConnect 2848 | User's Guide - Page 62
    ... Reset page enables the device to be reset from a remote location. For more information about saved Configuration files, see "Managing Files" on page 80. To open the Reset page, ... displays. 4 Enter a user name and password to reconnect to the Web Interface. 62 Update with your book ...
  • Dell PowerConnect 2848 | User's Guide - Page 63
    ... enabled, it prevents users from making any further configuration changes to the switch. This is done by removing the IP address of the switch so that it becomes...Secure Mode, configure the device in Managed Mode, and then switch to Secure Mode via the web interface. To exit ...
  • Dell PowerConnect 2848 | User's Guide - Page 64
    ... The IP Addressing page contains links for assigning interface and default gateway IP addresses, and enabling or disabling DHCP . To open ... The DHCP client can be enabled to acquire the network configuration dynamically. The DHCP default value is Disable. This field enables the ...
  • Dell PowerConnect 2848 | User's Guide - Page 65
    ... from the DHCP server. Apply DHCP Address - Activates the IP Address, Subnet Mask Address, and Default Gateway Address, received from the ...Interface Parameters page. 2 Set DHCP to Disable. 3 Set the IP Address, Subnet Mask and Default Gateway. 4 Click Apply Changes. The static interface parameters ...
  • Dell PowerConnect 2848 | User's Guide - Page 66
    ...No Cable - There is no cable connected to the port. Open Cable - The cable is connected on only ... where the cable error occurred. Last Update - The last time the port was tested. Approximate Cable ... length. This test can only be performed when the port is up and operating at 1 Gbps. Performing ...
  • Dell PowerConnect 2848 | User's Guide - Page 67
    ... Optic cables. Optical transceiver diagnostics can be performed only when the link is present. To open the Optical Transceiver Diagnostics page, click Systemମ. in the tree view. Figure 6-8. Optical Transceiver Diagnostics Port — The port to which the fiber cable is connected. Temperature — ...
  • Dell PowerConnect 2848 | User's Guide - Page 68
    ... has archived power up and data is ready. N/A - Not Available, N/S - Not Supported, W - Warning, E - Error. Finisair transceivers do not support the ... testing. Fiber Optic analysis feature works only on SFPs that support the digital diagnostic standard SFF-4872. 68 Update with your book title
  • Dell PowerConnect 2848 | User's Guide - Page 69
    .... Users with access level 15 are Privileged Users, and only they can access and edit all pages of the OpenManage Switch Administrator. Password (0-64 Characters) - User-defined password. Confirm Password - Confirms the user-defined password....
  • Dell PowerConnect 2848 | User's Guide - Page 70
    .... The user access rights and passwords are defined, and the device is updated. Defining a New User: 1 Open the Local User Database page. 2 Click ... Define the fields. 4 Click Apply Changes. The new user is defined, and the device is updated. Displaying the Local User Table: ...
  • Dell PowerConnect 2848 | User's Guide - Page 71
    ... Access Web Access Console to Device Access Configuring RADIUS Global Parameters Remote Authorization Dial-In User Service (RADIUS) servers provide .... Figure 6-12. RADIUS Settings • IP Address - The list of Authentication Server IP addresses. Update with your book title 71
  • Dell PowerConnect 2848 | User's Guide - Page 72
    ... RADIUS server before retrying the query, or switching to the next server. The possible field values are 1 - 30. The default is 3. Dead Time (0-2000) ... Address - Specifies the source IP address that is used for communication with RADIUS servers. • • • If host-specific Timeouts, Retries, or ...
  • Dell PowerConnect 2848 | User's Guide - Page 73
    ... RADIUS Server page opens: Figure 6-13. Add RADIUS Server Page 3 Define the fields. 4 Click Apply Changes. The new RADIUS server is added, and the device is updated. Displaying the RADIUS Server List: 1 Open the RADIUS Settings page. 2 Click Show ...
  • Dell PowerConnect 2848 | User's Guide - Page 74
    ... Web Server submits a valid community string for authentication. To open the SNMP page, click System → SNMP in the tree view. This section contains information for managing the SNMP configuration. 74 Update with your book title
  • Dell PowerConnect 2848 | User's Guide - Page 75
    ... Enable in the SNMP Notifications field. 3 Click Apply Changes. SNMP notifications are enabled, and the device is updated. Enabling Authentication Notifications 1 Open the SNMP ... page. 2 Select Enable in the Authentication Notifications field. 3 Click Apply Changes. Update with your book title 75
  • Dell PowerConnect 2848 | User's Guide - Page 76
    .... Figure 6-16. SNMP Community • • • SNMP Management Station - A list of management station IP addresses. Community String - Functions as a password and used to ...community table, for which there is no access. SNMP Admin - The management access is read-write for all MIBs...
  • Dell PowerConnect 2848 | User's Guide - Page 77
    ... Defines an SNMP community for all management stations. 4 Define the remaining fields. 5 Click Apply Changes. The new community is saved, and the device is updated. Displaying all Communities 1 Open the SNMP Community page. 2 Click Show All. ...
  • Dell PowerConnect 2848 | User's Guide - Page 78
    ... Recipient in the tree view. Figure 6-19. Notification Recipients • • • Recipient IP - Indicates the IP address to whom the traps are sent. Community String - Functions as a password and used to authenticate the selected management ...
  • Dell PowerConnect 2848 | User's Guide - Page 79
    ... Recipient - When checked, removes selected notification recipients. Adding a new Trap Recipients 1 Open Notification Recipients page. 2 Click... the relevant fields. 4 Click Apply Changes. The notification recipient is added, and the device is updated. Displaying Notification Recipients Tables 1 ...
  • Dell PowerConnect 2848 | User's Guide - Page 80
    ... are copied to the Running Configuration File and applied to the device. During the session, all new commands entered are added to the commands existing in the Running Configuration file. Commands... System → File Management → File Download in the tree view. 80 Update with your book title
  • Dell PowerConnect 2848 | User's Guide - Page 81
    ... via the HTTP server. Firmware Download • • • Server IP Address - The Server IP Address from which the firmware files are downloaded. Source File Name - ... • Server IP Address - The Server IP Address from which the configuration files are downloaded. Update with your book title 81
  • Dell PowerConnect 2848 | User's Guide - Page 82
    ...The File Upload to Server page contains fields for uploading the Configuration file from the device to the TFTP server. To open the File... - Enables initiating a configuration file upload via the FTP server. TFTP Server IP Address - The Server IP Address to which the file is uploaded. Destination ...
  • Dell PowerConnect 2848 | User's Guide - Page 83
    ... Defaults page. 2 Check the Restore Configuration Factory Defaults checkbox. 3 Click Apply Changes. The settings are restored. Defining ... for centralized control over assignment of IP addresses to attached hosts. A switch can operate as either a DHCP client (obtaining its own IP from a DHCP server) ...
  • Dell PowerConnect 2848 | User's Guide - Page 84
    ... DHCP server uses a defined pool of IP addresses (user-defined) from which it allocates IP... can allocate IP addresses in three configuration modes: • • Static allocation - The network administrator ... period of time. The IP address is revoked at the end of this period and the switch must request ...
  • Dell PowerConnect 2848 | User's Guide - Page 85
    ...sent before an IP address can be assigned to a requesting client. The range is 1 to 10 and the default ...name, which is typically assigned to a network segment, consists of an IP address range from which the DHCP ... allocates IP addresses to DHCP clients. You can define the lease duration of the network...
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    Figure 6-25. Network Pool Subnet IP Address - Specifies the IP address of the subnet in .... Address Pool End - Specifies the last IP address in the range of the network pool. Lease Duration - ...the amount of time a DHCP client can use an IP address from this pool. The total lease duration is ...
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    ... used to register and resolve computer names to IP addresses. Mixed - A combination (mix) of b-node ... server for the DHCP client. Next Server - Specifies the IP address of the next server in the boot process ...may be assigned to DHCP clients. The user can specify IP addresses that must not be used....
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    Figure 6-26. Excluded Addresses • • Start IP Address - Displays the first IP address in the range of excluded IP addresses. End IP Address - Displays the last IP address in the range of excluded IP addresses. Adding an Excluded Address 1 Open the Excluded Addresses page. 2 Click ...
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    Manually Allocating IP Addresses (Static Hosts) The Static Hosts page is used to manually allocate IP addresses to network hosts. To open the Static Hosts page,... to 32 characters. IP Address - Specifies the IP address that was statically assigned to the host. Network Mask - Specifies ...
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    ... used to register and resolve NetBIOS names to IP addresses. Peer-to-Peer - Point-to-point ... used to register and resolve computer names to IP addresses. Mixed - A combination (mix) of b-node and ... DHCP static host. Next Server - Specifies the IP address of the next server in the boot process of...
  • Dell PowerConnect 2848 | User's Guide - Page 91
    Figure 6-29. Add Static Host 3 Define the relevant fields. 4 Click Apply Changes. The static host is added, and the device is updated. Displaying Static Hosts Tables 1 Open the Static Hosts page. 2 Click Show All. The Static Hosts Table ...
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    ...to a static host. 4 Click Apply Changes. The host is deleted, and the device is updated. Configuring Address Binding The Address ... for a specified period of time. The IP address is revoked at the end of this period and the switch must request another IP address. - 92 Update with your book title
  • Dell PowerConnect 2848 | User's Guide - Page 93
    ... System → Advanced Settings in the tree view. Configuring General Device Parameters The General Settings ... - The general setting attribute. Current - The currently configured value. After Reset - The future (after..., lower processing time, and fewer interrupts. Update with your book title 93...
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    94 Update with your book title
  • Dell PowerConnect 2848 | User's Guide - Page 95
    ... section provides all system operation and general information for configuring network security, ports, Address tables, GARP VLANs, Spanning Tree, Port Aggregation, and Multicast Support. , Configuring Network Security The device enables network security...
  • Dell PowerConnect 2848 | User's Guide - Page 96
    ... access to unauthorized users. • • To open the Network Security page select Switch → Network Security. Configuring Port Based Authentication The ... port based authentication and for enabling Guest VLANs. To open the Port Based Authentication page, click Switch → Network Security → Port ...
  • Dell PowerConnect 2848 | User's Guide - Page 97
    ... server authentication. When a user is authenticated by the RADIUS server, the user is automatically joined to the VLAN configured on the RADIUS server Port Lock and Port Monitor should be disabled when DVA is enabled. Dynamic VLAN Assignment (DVA) can occur only if a...
  • Dell PowerConnect 2848 | User's Guide - Page 98
    ...- - Authenticated ports remain unauthenticated VLAN and Guest VLAN members. Static VLAN configuration is not applied to the port. The following list of... next re-authentication if this supplicant VLAN is re-created or a new VLAN is configured on the RADIUS server. Guest ...
  • Dell PowerConnect 2848 | User's Guide - Page 99
    ... the interfaces to which the Port based authentication parameters are copied. 6 Click Apply Changes. The parameters are copied to the selected port in the Port Based Authentication Table, and the device is updated. Update with your book title 99
  • Dell PowerConnect 2848 | User's Guide - Page 100
    ... Multiple Hosts page provides information for defining advanced port based authentication settings for specific ports. To open the Multiple Hosts, click Switch →Network Security → Multiple Hosts. Figure 7-3. Multiple Hosts • • Port - ...
  • Dell PowerConnect 2848 | User's Guide - Page 101
    ...The possible field values are: - - Unauthorized - Clients (supplicants) have full port access. Authorized - Cents (supplicants) have limited port access. • • Number of Violations - The number of packets that arrived on the interface in single-host mode, from ...
  • Dell PowerConnect 2848 | User's Guide - Page 102
    Authenticating Users The Authenticated Users page displays user port access lists. To open the Authenticated Users page, click Switch → Network Security → Authenticated Users. Figure 7-5. Authenticated Users User Name - List of ...
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    Configuring Ports The Ports page contains links to port functionality pages including advanced ...Ports page, click Switch → Ports. Defining Port Parameters The Port Configuration page contains... parameters. To open the Port Configuration page, click Switch → Ports → Port Configuration in the tree...
  • Dell PowerConnect 2848 | User's Guide - Page 104
    ... Port Speed - The actual currently configured port speed (bps). Admin Duplex - The port duplex mode can be either Full or Half. Full ...Current Auto Negotiation - The currently configured Auto Negotiation setting. Admin Advertisement - The speed that the port advertises. Options...
  • Dell PowerConnect 2848 | User's Guide - Page 105
    ... fields. 4 Click Apply Changes. The port parameters are saved to the device. Modifying Port Parameters 1 Open the Port Configuration page. 2 Select ... Modify the remaining fields. 4 Click Apply Changes. The port parameters are saved to the device. Displaying the Port Configuration Table: 1 Open the ...
  • Dell PowerConnect 2848 | User's Guide - Page 106
    .... The device supports up to four LAGs, each having six members. For information about Link Aggregated Groups and assigning ports to LAGs, refer to Aggregating .... Description (0-64 Characters) - Provides a user-defined description of the configured LAG. LAG Type - The port types that ...
  • Dell PowerConnect 2848 | User's Guide - Page 107
    ... Auto Negotiation - The currently configured Auto Negotiation setting. Admin Speed - The speed at which ... - The user-designated flow control setting. Defining LAG Parameters 1 Open the LAG Configuration ... Table: 1 Open the LAG Configuration page. 2 Click Show All. Update with your book ...
  • Dell PowerConnect 2848 | User's Guide - Page 108
    ... power usage of Ethernet connections. The following methods are supported by the device: • • Energy-Detect - Auto-detection of inactivity on a port, and subsequent turning down of ... page, click Switch→ Ports→ Green Ethernet Configuration in the tree view. 108 Update with your book title
  • Dell PowerConnect 2848 | User's Guide - Page 109
    ...Ethernet Configuration • Cumulative Energy Saved - The total amount of energy saved since the last reset....Detect energy saving mode is on or off for the device ports. Link Short-Reach Energy Saving ...Consumption - The power currently consumed by all ports (including both those with links up and...
  • Dell PowerConnect 2848 | User's Guide - Page 110
    ...• • Port - Indicates the port. Energy-Detect - The status of the Energy-Detect mode on the link Admin - Whether the Energy-...this column gives the reason. Reasons may include that the Link Type is not supported, or that the Port Link is up. Admin - Whether the Short-Reach has been enabled...
  • Dell PowerConnect 2848 | User's Guide - Page 111
    Figure 7-12. Storm Control • • • Port - The port from which storm control is enabled. Broadcast ...storm control. 3 Define the fields. 4 Click Apply Changes. The Storm Control is enabled on the device. Displaying ...Click Show All. The Storm Control Table opens: Update with your book title 111
  • Dell PowerConnect 2848 | User's Guide - Page 112
    ...a LAG member. IP interfaces are not configured on the port. GVRP is not enabled on the port. The port is not a VLAN member. Only one destination port can be defined. The following restrictions apply to ports configured to be destination ports: Update with your book title
  • Dell PowerConnect 2848 | User's Guide - Page 113
    ...Source Ports cannot be a LAG member. Ports cannot be configured as a destination port. All packets are transmitted tagged from the destination port. Monitored all RX/TX packets to ...source port from the Source Port drop-down menu. 5 Define the Type field. Update with your book title ...
  • Dell PowerConnect 2848 | User's Guide - Page 114
    6 Click Apply Changes. The new source port is defined, and the device is updated. Deleting a Copy Port from a Port ... the Remove check box. 3 Click Apply Changes. The selected port mirroring session is deleted, and the device is updated. Configuring Address Tables MAC addresses are stored in the ...
  • Dell PowerConnect 2848 | User's Guide - Page 115
    ... the LAG for which the table is queried. • • • • MAC Address - Specifies the MAC address for which the table is queried. VLAN ID - Specifies the VLAN ID for which the table is queried. Address Table Sort Key - Specifies the means by which ...
  • Dell PowerConnect 2848 | User's Guide - Page 116
    ...query the Dynamic Address Table. Entries can be queried by Port, MAC Address, or VLAN ID. 3 Click Query. The Dynamic Address...Sort Key drop-down menu, select whether to sort addresses by address, VLAN ID, or interface. 3 Click Query. The Dynamic Address Table is sorted. Configuring the Spanning Tree ...
  • Dell PowerConnect 2848 | User's Guide - Page 117
    ... cost method. The possible field values are: - - Short - Specifies 1 through 65535 range for port path costs. This is the default value. Long - Specifies 1 through 200000000 range for port path costs. Update with your book title 117
  • Dell PowerConnect 2848 | User's Guide - Page 118
    ... of 4096) - Specifies the bridge priority value. When switches or bridges are running STP, each is assigned... exchanging BPDUs, the switch with the lowest priority value becomes the Root Bridge. The default value... a bridge waits before sending configuration messages. The default max age is 20 seconds...
  • Dell PowerConnect 2848 | User's Guide - Page 119
    ...Settings page, click Switch→ Spanning Tree→ Port Settings in the tree view. Figure 7-17....STP is enabled. STP - Enables or disables STP on the port. Fast Link - When selected, enables Fast ...automatically placed in the Forwarding state when the port link is up. Fast Link mode optimizes the time ...
  • Dell PowerConnect 2848 | User's Guide - Page 120
    ... path to forward packets to the root switch. Designated - Indicates the port or LAG through which ... to the root switch from the root interface. Backup - Provides a backup path to the designated port path... occur only when two ports are connected in a loop by a point-to-point link, or when a LAN has...
  • Dell PowerConnect 2848 | User's Guide - Page 121
    • Priority (0-240, in steps of 16) - The priority value of the port. The priority value influences the port choice when a bridge has ..., Fast Link, Path Cost, and the Fast Link fields. 3 Click Apply Changes. The STP port parameters are modified, and the device is updated. Displaying the STP Port ...
  • Dell PowerConnect 2848 | User's Guide - Page 122
    ... LAG Settings page contains fields for assigning STP aggregating port parameters. To open the STP LAG Settings page, click Switch→ Spanning Tree→ LAG ... checked, prevents devices outside the network core from being assigned the spanning tree root. • 122 Update with your book ...
  • Dell PowerConnect 2848 | User's Guide - Page 123
    ... path to forward packets to the root switch. Designated - Indicates the port or LAG through which ... to the root switch from the root interface. Backup - Provides a backup path to the designated port path... two looped ports. The priority value is between 0-240, in increments of 16. Designated Bridge...
  • Dell PowerConnect 2848 | User's Guide - Page 124
    ... desired. 4 Click Apply Changes. The STP LAG parameters are modified, and the device is updated. Configuring Rapid Spanning Tree While Classic Spanning ..., without creating forwarding loops. RSTP has the following port states Disabled Learning Discarding Forwarding Rapid Spanning ...
  • Dell PowerConnect 2848 | User's Guide - Page 125
    ... Link Operational Status - Indicates if Fast Link is enabled or disabled for the port or LAG. If Fast Link is enabled for a port, the port is automatically placed in the forwarding state. Point-to-Point Admin Status - Indicates whether a point-to-point link is established on the port. ...
  • Dell PowerConnect 2848 | User's Guide - Page 126
    ...Protocol Migration fields. 3 Click Apply Changes. Rapid STP is enabled, and the device is updated. Configuring VLANs VLANs are logical subgroups of a Local Area Network (LAN) created via... of time in which network changes are implemented. VLANs have no minimum number of ports, and can be...
  • Dell PowerConnect 2848 | User's Guide - Page 127
    ... VLAN - Lists and displays specific VLAN information according to VLAN ID or VLAN name. VLAN Name - The user-defined VLAN name. ... VLAN from the VLAN Membership Table. Adding New VLANs 1 Open the VLAN Membership page. 2 Click Add. The Create New VLAN page opens. Update with your book title 127
  • Dell PowerConnect 2848 | User's Guide - Page 128
    ... the VLAN ID and name. 4 Click Apply Changes. The new VLAN is added, and the device is updated. Modifying VLAN Membership Groups 1 ... check box. 4 Click Apply Changes. The selected VLAN is deleted, and the device is updated. VLAN Port Membership Table The VLAN Port Membership Table contains a Port ...
  • Dell PowerConnect 2848 | User's Guide - Page 129
    ...menu. 3 Select a port in the Port Membership Table, and assign the port a value. 4 Click Apply Changes. The port is assigned to the VLAN group, and the device is updated. Deleting a VLAN 1 Open the VLAN Membership page. 2 Click the VLAN ID or VLAN ...
  • Dell PowerConnect 2848 | User's Guide - Page 130
    ... for managing ports that are part of a VLAN. The port default VLAN ID (PVID) is configured on the VLAN Port Settings page. All untagged packets arriving to the device ... on the page 4 Click Apply Changes. The VLAN port settings are defined, and the device is updated. 130 Update with ...
  • Dell PowerConnect 2848 | User's Guide - Page 131
    ...the VLAN Port Settings page. 2 Click Show All. The VLAN Port Table opens. Figure 7-23. VLAN Port Table Defining VLAN LAG Settings The VLAN LAG Setting page provides ... for managing LAGs that are part of a VLAN. VLANs can either be composed of individual ports or of LAGs. Untagged packets ...
  • Dell PowerConnect 2848 | User's Guide - Page 132
    ...by the LAG. Ingress filtering discards packets that are destined to VLANs of which the specific LAG is not a member. Assigning VLAN LAG Settings: ... on the page. 3 Click Apply Changes. The VLAN LAG parameters are defined, and the device is updated. Displaying the VLAN LAG Table 1 Open the VLAN LAG ...
  • Dell PowerConnect 2848 | User's Guide - Page 133
    ... ports together to form a single Link Aggregated Group (LAG). Port Aggregation multiplies the bandwidth between ... and destination MAC addresses. Aggregated Links are treated by the system as a single logical port. Specifically, ... port does not belong to any VLAN. The port does not belong to any other ...
  • Dell PowerConnect 2848 | User's Guide - Page 134
    ... allows a single packet to be forwarded to multiple destinations. L2 Multicast service is based on L2 switch receiving a single packet addressed to a specific Multicast address. Multicast forwarding creates copies of the packet, and transmits...
  • Dell PowerConnect 2848 | User's Guide - Page 135
    Defining Multicast Global Parameters Layer 2 switching forwards Multicast packets to all relevant VLAN ports by default, treating the packet as a Multicast transmission. While this is functional, in the sense that all relevant ports/nodes receive a copy of the frame, it is ...
  • Dell PowerConnect 2848 | User's Guide - Page 136
    ... service groups to be created. The Bridge Multicast Group page also assigns ports to a specific Multicast service address group. To open the Bridge Multicast Group... group MAC address/IP address. Remove - When selected, removes a Bridge Multicast address. 136 Update with your...
  • Dell PowerConnect 2848 | User's Guide - Page 137
    ... Multicast Group page. 2 Click Add. The Add Bridge Multicast Group page opens: Figure 7-28. Add Bridge Multicast Group 3 Define the VLAN ID and New Bridge Multicast Address fields. Update with your book title 137
  • Dell PowerConnect 2848 | User's Guide - Page 138
    ... Multicast Group page. 2 Define the VLAN ID and the Bridge Multicast Address fields. 3 Toggle a ... fields for attaching ports or LAGs to a device that is attached to a neighboring Multicast router/switch. Once IGMP Snooping is enabled, Multicast packets are forwarded to the appropriate port or VLAN. ...
  • Dell PowerConnect 2848 | User's Guide - Page 139
    ... F S Blank Definition The port/LAG is excluded from this Multicast group. Attaches the port to the Multicast router or switch as a static port. The port is not attached to a Multicast router or switch. Update with your book title 139
  • Dell PowerConnect 2848 | User's Guide - Page 140
    ... Multicast Router or Switch 1 Open Bridge Multicast Forward All page. 2 Define the VLAN ID field... port a value. 4 Click Apply Changes. The port is attached to the Multicast router or switch. Attaching a LAG to...Multicast Router or Switch 1 Open Bridge Multicast Forward All page. 2 Define the VLAN ID ...
  • Dell PowerConnect 2848 | User's Guide - Page 141
    ... though there is no multicast router. Querier IP Address - IP address of the IGMP Querier. Use either use the VLAN's IP Interface address or define a unique IP address which will be used as ...in seconds, after a port leave message is received before the entry is aged out. User-defined enables ...
  • Dell PowerConnect 2848 | User's Guide - Page 142
    ... Device 1 Open the IGMP Snooping page. 2 Select the VLAN ID for the device on which IGMP snooping needs... field. 4 Complete the fields on the page. 5 Click Apply Changes. IGMP snooping is enabled on the device. Displaying ...Table opens. Figure 7-31. IGMP Snooping Table 142 Update with your book title
  • Dell PowerConnect 2848 | User's Guide - Page 143
    8 Viewing Statistics The Statistic pages contains links to device information for RMON, and CPU utilization. Update with your book title 143
  • Dell PowerConnect 2848 | User's Guide - Page 144
    Viewing RMON Statistics Remote Monitoring (RMON) contains links for viewing network information from a remote location. To open the RMON page, click Statistics/RMON→ RMON in... RMON→ Statistics in the tree view. Figure 8-1. RMON Statistics Group 144 Update with your book title
  • Dell PowerConnect 2848 | User's Guide - Page 145
    Interface - Specifies the port or LAG for which statistics are displayed. Refresh Rate - Amount of time .... Viewing Charts The Chart page contains links for displaying statistics in a chart form. To open the page, click Statistics→ Charts in the tree view. Update with your book title 145
  • Dell PowerConnect 2848 | User's Guide - Page 146
    ... CPU Utilization page, click Statistics/RMON→ Charts→ CPU Utilization in the tree view. Figure 8-2. CPU Utilization The CPU Utilization page contains the following information: • Refresh Rate - Amount of time that passes before the statistics are refreshed. 146 Update with your book title
  • Dell PowerConnect 2848 | User's Guide - Page 147
    ... section provides information for defining and configuring Quality of Service (QoS) parameters. To open the Quality ... information, and packet field values such as VLAN priority (VPT) and DSCP (DiffServ ... to one of the output queues. VLAN Priority Tag to queue assignments are user-definable. The table ...
  • Dell PowerConnect 2848 | User's Guide - Page 148
    ... queue values: Table 9-2. DSCP to Queue Mapping Table Default Values DSCP Value 0-15 16-31 32-47 48-63 Forwarding Queue .... CoS Services After packets are assigned to a specific queue, CoS services can be assigned to the queue(s). Output queues are configured with a scheduling scheme by one of the ...
  • Dell PowerConnect 2848 | User's Guide - Page 149
    ... possible Trust mode field values are: - - CoS (802.1P) - The output queue assignment is determined by the IEEE802.1p VLAN priority tag (VPT) or by the default VPT assigned to a port. DSCP - The output queue assignment is determined by the DSCP ...
  • Dell PowerConnect 2848 | User's Guide - Page 150
    ... Interface Settings in the tree view. Figure 9-2. Interface Settings • • • Interface — The specific port or LAG to configure. Disable "Trust" Mode on Interface — Disables the Trust mode on the specified interface. This setting overrides the Trust ...
  • Dell PowerConnect 2848 | User's Guide - Page 151
    ... Table Defining Queue Settings The QoS Queue Settings page contains fields for configuring the scheduling method by which the queues are maintained. To open the QoS ... - Specifies if traffic scheduling is based strictly on the queue priority. The default is enabled. Update with your book title 151
  • Dell PowerConnect 2848 | User's Guide - Page 152
    ... assignment from the queues with the highest priority. 1 Open the QoS Queue Settings page. 2 Define the fields. 3 Click Apply Changes. The queue settings are defined, and the device is updated. 152 Update with your book title
  • Dell PowerConnect 2848 | User's Guide - Page 153
    ... which the CoS priority is mapped. Four traffic priority queues are supported. Restore Defaults - Restores the device factory defaults for mapping CoS values to a ... Define the queue number in the Queue field. 4 Click Apply Changes. The CoS value is mapped to a queue, and the device is...
  • Dell PowerConnect 2848 | User's Guide - Page 154
    ... for defining output queue to specific DSCP fields. For the list of the DSCP default queue settings,... packet. Queue — The queue to which packets with the specific DSCP value is assigned. The values are 1ମ. is assigned to a forwarding queue. Restoring default values: 154 Update with your book title...
  • Dell PowerConnect 2848 | User's Guide - Page 155
    1 Open the DSCP to Queue page. 2 Check the Restore Defaults checkbox. 3 Click Apply Changes. The default values are restored. Update with your book title 155
  • Dell PowerConnect 2848 | User's Guide - Page 156
    156 Update with your book title
  • Dell PowerConnect 2848 | User's Guide - Page 157
    ... the current user is logged off and the new user is logged in. Telnet Connection Telnet is a terminal emulation TCP/IP protocol. ASCII terminals can ... be used over a telnet session. To start a Telnet session: 1 Select Start > Run. The Run window opens. Dell PowerConnect 28xx Systems User Guide 157
  • Dell PowerConnect 2848 | User's Guide - Page 158
    ... require subcommands have another level called the Subinterface Configuration mode. A password is not required. User EXEC Mode After logging into ... listing system information. To list the user EXEC commands, enter a question mark at the command prompt. 158 Dell PowerConnect 28xx Systems User Guide
  • Dell PowerConnect 2848 | User's Guide - Page 159
    ... apply to system features, rather than a specific protocol or interface. To access Global Configuration mode, at the Privileged EXEC Mode prompt... from Global Configuration mode to Privileged EXEC mode, type the exit command or use the command. Dell PowerConnect 28xx Systems User Guide 159...
  • Dell PowerConnect 2848 | User's Guide - Page 160
    ...-if)# Port Channel Mode The Port Channel mode contains commands for configuring Link Aggregation Groups (LAG). The following is an example of the Port Channel mode prompt: Console (config)# interface port-channel 1 Console (config-if)# 160 Dell PowerConnect 28xx Systems User ...
  • Dell PowerConnect 2848 | User's Guide - Page 161
    ...is tftp://host/[directory]/filename. The host can be IPv4 address. An out-of-band IP address can be specified as described in the usage guidelines....destination for copies or files. You can copy a remote file to null to determine its size. xmodem: null: Dell PowerConnect 28xx Systems User Guide 161
  • Dell PowerConnect 2848 | User's Guide - Page 162
    ... mean that the copy process may fail. . Command: debug-mode To switch to debug mode, use the debug-mode command in Privileged EXEC mode. debug-mode Syntax Description This command has no arguments or keywords. Command Mode Privileged EXEC 162 Dell PowerConnect 28xx Systems User Guide
  • Dell PowerConnect 2848 | User's Guide - Page 163
    ... has no arguments or key words Command Mode All configuration modes Default value This command has no default setting. Example Console(config... exit command in any configuration mode. exit Syntax Description This command has no arguments or key words Dell PowerConnect 28xx Systems User Guide 163
  • Dell PowerConnect 2848 | User's Guide - Page 164
    Command Mode All configuration modes Default value This command has no default setting. Examples Console(config-if)# exit Console(config)# ... command. help Syntax Description This command has no arguments or key words Command Mode All command modes. 164 Dell PowerConnect 28xx Systems User Guide
  • Dell PowerConnect 2848 | User's Guide - Page 165
    ... are executed independently on each interface in the range: If the command returns an error on one of the interfaces, it will not stop the execution of the command on other interfaces. Dell PowerConnect 28xx Systems User Guide 165
  • Dell PowerConnect 2848 | User's Guide - Page 166
    ... mask is 255.255.255.0: Console (config)# interface vlan 1 Console (config-if)# ip address 131.108.1.27 255.255.255.0 ... configuration command. ip address ip-address Syntax Description • ip-address - The IP address to be assigned to the interface. 166 Dell PowerConnect 28xx Systems User Guide
  • Dell PowerConnect 2848 | User's Guide - Page 167
    ...-address - Valid IP address Defaults No default gateway is defined. Command Modes Global configuration Interface configuration Command:... packet_size] [count packet_count] [timeout time_out] Syntax Description • ip-address - IP address to ping. Dell PowerConnect 28xx Systems User Guide 167...
  • Dell PowerConnect 2848 | User's Guide - Page 168
    ... unreachable-The gateway for this destination indicates that the destination is unreachable. Network or host unreachable-The switch found no corresponding entry in ...bytes from 10.1.1.1: icmp_seq=2. time=8 ms 64 bytes from 10.1.1.1: icmp_seq=3. time=7 ms 168 Dell PowerConnect 28xx Systems User Guide
  • Dell PowerConnect 2848 | User's Guide - Page 169
    ... This command has no default setting. Command: show tech-support command To display system and configuration information you can provide to the Technical Assistance Center when reporting a problem, use the show tech-support command. Dell PowerConnect 28xx Systems User Guide 169
  • Dell PowerConnect 2848 | User's Guide - Page 170
    ...data. config - (Optional) Displays switch configuration within the CLI commands supported on the device. Defaults By default, this command displays the output for ...bridge multicast address-table show ip igmp snooping groups show dot1x show dot1x users 170 Dell PowerConnect 28xx Systems User Guide
  • Dell PowerConnect 2848 | User's Guide - Page 171
    ... all IP addresses. Parameters range • • community - 1 - 20 chars ip-address - Valid IP address Default No community is defined Command Mode Global configuration Dell PowerConnect 28xx Systems User Guide 171
  • Dell PowerConnect 2848 | User's Guide - Page 172
    ... pair (community, ip-address). If ip-address is omitted then the key is (community, All-Ips). Examples Switch(conf)# snmp-server community ... defined. Command modes Global Configuration Example Console (config)# username bob password lee privilege 15 172 Dell PowerConnect 28xx Systems User Guide
  • Dell PowerConnect 2848 | User's Guide - Page 173
    ...A mechanism used with Half Duplex mode that enables a port not to receive a message. Backplane Ingress interfaces Source IP address and/or Source IP subnets converts IP addresses into physical addresses. ASIC Address Resolution Protocol. A TCP/IP protocol that The...
  • Dell PowerConnect 2848 | User's Guide - Page 174
    ... boot version. BootP Broadcasting A method of transmitting packets to all ports on a network. Broadcast Storm An excessive amount of broadcast messages ... Protocol. Enables a workstation to discover its IP address, an IP address of a BootP server on a network, or a configuration file loaded into the ...
  • Dell PowerConnect 2848 | User's Guide - Page 175
    ...during the RADIUS server authentication. When a user is authenticated by the RADIUS server, the user is automatically joined to the VLAN configured on the RADIUS server. E Central Processing Unit. The part of a computer that processes information. CPUs are composed of...
  • Dell PowerConnect 2848 | User's Guide - Page 176
    ... Mbps Ethernet standards. GVRP GARP VLAN Registration Protocol. Registers client stations into a VLANs. H FFT Fast Forward Table. Provides information about forwarding routes. If... when an interfaces state is constantly changing. For example, an STP port constantly changes from listening to learning...
  • Dell PowerConnect 2848 | User's Guide - Page 177
    ... time, and ensures fewer interrupts. L LAG Link Aggregated Group. Aggregates ports or VLANs into a single virtual port or VLAN. ... format of packets and there addressing method. IP addresses packets and forwards the packets to the correct port. IP Address Data Link Layer or MAC Layer. Contains the ...
  • Dell PowerConnect 2848 | User's Guide - Page 178
    ... Media Dependent Interface with Crossover (MDIX). A cable used for hubs and switches. MIB Management Information Base. MIBs contain information describing specific aspects of network components. Multicast Transmits copies of a single packet to multiple ports. N NMS Network ...
  • Dell PowerConnect 2848 | User's Guide - Page 179
    ... for transmission in packet switched systems. PDU QoS Quality of Service. QoS allows network managers to decide how ... and layer user data. PING Packet Internet Groper. Verifies if a specific IP address is available. A packet is sent to another IP address and waits for a reply. Port Physical ports ...
  • Dell PowerConnect 2848 | User's Guide - Page 180
    .... Subnet Mask Used to mask all or part of an IP address used in a subnet address. Switch Filters and forwards packets between LAN segments. Switches support any packet protocol .... SNTP Simple Network Time Protocol. SNTP assures accurate network switch clock time synchronization up to the ...
  • Dell PowerConnect 2848 | User's Guide - Page 181
    ... Wide Area Networks. Networks that cover a large geographical area. Wildcard Mask Specifies which IP address bits are ... by the SNMP that indicates that system event has occurred. Trunking Link Aggregation. Optimizes port usage by linking a group of ports together to form a single trunk (aggregated ...
  • Dell PowerConnect 2848 | User's Guide - Page 182
    182 Glossary
  • Dell PowerConnect 2848 | User's Guide - Page 183
    ..., 150 Fast link, 119 File Transfer Protocol, 176 Filtering, 130, 132, 134 Firmware, 81 Flow Control, 36 FTP, 176 A Access mode, 76 Address Resolution ..., 175 DVMRPl, 175 Dynamic Address List, 115 Dynamic VLAN Assignment, 97 G GARP, 176 GARP VLAN Registration Protocol, 176 GBIC, 176 General ...
  • Dell PowerConnect 2848 | User's Guide - Page 184
    ...179 RSTP, 15, 180 Running Configuration file, 80 RVSP, 180 N J Jumbo frames, 177 Network Management System., 178 Network security..., 179 P Package Contents, 28 Package contents, 28 Passwords, 56 PDU, 179 PING, 179 Port aggregation, 133 S Security, 69, 95 Simple Network Management Protocol, 74, 180 ...
  • Dell PowerConnect 2848 | User's Guide - Page 185
    ... STP, 15, 117, 125 System, 59 VLAN membership, 126 VLAN Port Membership Table, 128 VLAN priority, 147 VLANs, 126 W T TFTP, 181 Time Domain Reflectometry, 65 ..., 53 Uploading files, 82 User Data Protocol, 181 V Virtual Local Area Networks, 181 VLAN, 126, 130, 138, 181 VLAN ID, 115 ...
  • Dell PowerConnect 2848 | User's Guide - Page 186
    186 Index



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Dell PowerConnect 2848 Manual