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Dell PowerConnect 3248 Manual

Network switches
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Download this manual See also: Features List
Dell™ PowerConnect™ 3248 and 5224 Network Switches
Addendum to the 3248 and
5224 User's Guides
w w w . d e l l . c o m | s u p p o r t . d e l l . c o m

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Summary of Contents for Dell PowerConnect 3248

  • Page 1 Dell™ PowerConnect™ 3248 and 5224 Network Switches Addendum to the 3248 and 5224 User’s Guides w w w . d e l l . c o m | s u p p o r t . d e l l . c o m...

  • Page 2: Notes, Notices, And Cautions

    Reproduction in any manner whatsoever without the written permission of Dell Computer Corporation is strictly forbidden. Trademarks used in this text: Dell, the DELL logo, and PowerConnect are trademarks of Dell Computer Corporation; Microsoft, Windows, and Windows NT are registered trademarks of Microsoft Corporation.
  • Page 3 Addendum to the 3248 and 5224 User’s Guides New Features: NOTE: The graphics in this section may differ • Remote System Logging slightly from the graphics on your computer. • Secure Access — Secure Shell (SSH), Authentication Settings, and Secure Hypertext Transfer Protocol (HTTPS) •...

  • Page 4: System Logs

    System Logs Remote system logging allows you to configure the logging of system messages directly from the Web interface and the command line interface (CLI). The system log messages are categorized, by severity, into eight levels. The levels range from 0 for Emergencies to 7 for Debugging. See the following table for descriptions: Level Argument Level...
  • Page 5 To save any changes you make in this page, click Apply Changes. If you do NOTE: System log messages are logged not want to save the changes, click Refresh. every 60 minutes. The following figure is representative of PowerConnect 3248 and 5224. Addendum to the 3 248 and 52 24 User ’s Guides...
  • Page 6 CLI Commands The following table summarizes the equivalent CLI commands for items in the Switch/General/System Logs page. Command Usage logging on Controls the logging of debug or error messages to a logging process. The no form command disables the logging process.
  • Page 7 The Switch/General/Remote Logs page contains the following fields that can be edited: • Remote Log Status — Enables/disables the logging of debug or error messages to the remote logging process. (Default: Enabled) • Logging Facility — Sets the facility type for remote logging of syslog messages.
  • Page 8 The following figure is representative of PowerConnect 3248 and 5224. CLI Commands The following table summarizes the equivalent CLI commands for items in the Switch/General/Remote Logs page. Command Usage logging host Adds a syslog server host IP address that receives host_ip_address logging messages.

  • Page 9: Authentication Settings

    Command Usage show logging {flash | ram Displays the logging configuration for system and | trap} event messages E x a m p l e Console(config)#logging host 10.1.0.9 Console(config)#logging facility 23 Console(config)#logging trap 4 Console(config)# Console#show logging trap Syslog logging: Enable REMOTELOG status: enable REMOTELOG facility type: local use 7 REMOTELOG level type: Warning conditions...
  • Page 10 To save any changes you make in this page, click Apply Changes. If you do not want to save the changes, click Refresh. The following figure is representative of PowerConnect 3248 and 5224. Addendum to the 32 48 and 5 224 User ’s Guides...
  • Page 11 CLI Commands The following table summarizes the equivalent CLI commands for items in the Switch/Security/SSH page. Command Usage ip ssh server Enables the SSH server on the switch. The no form command disables the SSH server. ip ssh {[timeout seconds] Specifies the authentication timeout for the SSH | [authentication-retries server and the number of retries allowed by a...
  • Page 12 ------- -------- ------- -------------- -------------- admin cipher-3des session- started Console# Authentication Settings Similar to RADIUS, TACACS+ is a system that uses a central server to control authentication for access to switches on the network. The RADIUS Settings page was renamed "Authentication Settings" and updated to include TACACS+.
  • Page 13 – Local, TACACS — The switch attempts to authenticate the user first, and then a TACACS+ server attempts to authenticate the user. – RADIUS, Local — A RADIUS server attempts to authenticate the user first, and then the switch attempts to authenticate the user. –...
  • Page 14 To save any changes you make in this page, click Apply Changes. If you do not want to save the changes, click Refresh. The following figure is representative of PowerConnect 3248 and 5224. Addendum to the 32 48 and 5 224 User ’s Guides...
  • Page 15 CLI Commands The following table summarizes the equivalent CLI commands for items in the Switch/Security/Authentication Settings page. NOTE: The default password for the enable Command Usage command is super. authentication login {radius | Defines the login authentication method manager must change the local | tacacs} [tacacs | radius | and precedence.
  • Page 16 Console(config)#radius-server timeout 10 Console(config)#tacacs-server host 192.168.1.19 Console(config)#tacacs-server port 49 Console(config)#tacacs-server key tiger Console(config)# Console#show tacacs-server Remote TACACS server configuration: Server IP address: 192.168.1.19 Communication key with radius server: tiger Server port number: 49 Console# Hypertext Transfer Protocol, Secure Use the Switch/Security/HTTPS page to enable the Secure Hypertext Transfer Protocol (HTTPS) over the Secure Socket Layer (SSL), providing secure access (for example, an encrypted connection) to the switch’s Web interface.
  • Page 17 To save any changes you make in this page, click Apply Changes. If you do not want to save the changes, click Refresh. The following figure is representative of PowerConnect 3248 and 5224. Addendum to the 3 248 and 52 24 User ’s Guides...

  • Page 18: Port Security

    CLI Commands The following table summarizes the equivalent CLI commands for items in the Switch/Security/HTTPS page. Command Usage ip http secure-server Enables the HTTPS server on the switch. The no form command disables the HTTPS server. ip http secure-port Specifies the TCP port number used for HTTPS port_number connection to the switch’s Web interface.
  • Page 19 Note that a secure port has the following restrictions: • It should not be connected to a network interconnection device. • It cannot be configured as a member of a static trunk. • It can be configured as an LACP trunk port, but the switch does not allow the LACP trunk to be encabled.
  • Page 20 The following figure is representative of PowerConnect 3248. Switch 3248: Re-Enabling a Shutdown Port If security is enabled on a port and the intrusion action set to Shutdown or Trap and Shutdown, then a security violation will cause the port to be disabled.
  • Page 21 E x a m p l e Console(config)#interface ethernet 1/5 Console(config-if)#port security action shutdown Console(config-if)#port security Console(config-if)# Switch 5224: Port Security The Ports/Port Security page contains links to the following pages: • Global Configuration • Port Security Configuration Switch 5224: Global Configuration On the Ports/Port Security/Global Configuration page, you can set the security action to be taken when a port intrusion is detected.
  • Page 22 The following figure is representative of PowerConnect 5224. Switch 5224: Port Security Configuration On the Ports/Port Security/Port Security Configuration page, you can enable/disable security for any switch port. For each port number listed in the Port column, you can configure the following parameter: •...
  • Page 23 The following figure is representative of PowerConnect 5224. Switch 5224: Re-Enabling a Shutdown Port If security is enabled on a port and you set the intrusion action to Trap and Shutdown, a security violation causes the port to be disabled. To re-enable a shutdown port, follow these steps: Click the Ports/Port Configuration page.

  • Page 24: Spanning Tree Protocol

    Command Usage port security action {trap- Configures the port security action for all switch and-shutdown} ports. The no form command restores the default. NOTICE: Although the port security action command is an interface-level CLI command, it applies globally to all switch ports. E x a m p l e Console(config)#interface ethernet 1/5 Console(config-if)#port security action trap-and-...
  • Page 25 The Spanning Tree page contains links to pages that allow you to specify the parameters of the Spanning Tree Protocol: • Bridge Settings • Advanced Bridge Settings • Port Settings • Trunk Settings Bridge Settings The Bridge Settings page contains the following information: •...
  • Page 26 • Root Port — Specifies the port number on the switch that is closest to the root. The switch communicates with the root device through this port. If there is no root port, the switch was accepted as the root device of the Spanning Tree network.
  • Page 27 – RSTP Mode – If RSTP is using 802.1D BPDUs on a port and receives an RSTP BPDU after the migration delay expires, RSTP restarts the migration delay timer and begins using RSTP BPDUs on that port. • Priority — Bridge priority is used in selecting the root device, root port, and designated port.
  • Page 28 To save any changes you make in this page, click Apply Changes. If you do not want to save the changes, click Refresh. The following figure is representative of PowerConnect 3248 and 5224. Addendum to the 32 48 and 5 224 User ’s Guides...
  • Page 29 CLI Commands The following table summarizes the equivalent CLI commands for items in the Spanning Tree/Bridge Settings page. Command Usage spanning-tree Enables the Spanning Tree algorithm globally for the switch. The no form command disables STP . spanning-tree mode {stp | Selects the Spanning Tree mode for the switch.
  • Page 30 To save any changes you make in this page, click Apply Changes. If you do not want to save the changes, click Refresh. The following figure is representative of PowerConnect 3248 and 5224. Addendum to the 32 48 and 5 224 User ’s Guides...
  • Page 31 CLI Commands The following table summarizes the equivalent CLI commands for items in the Spanning Tree/Advanced Bridge Settings page. Command Usage spanning-tree pathcost Configures the path cost method used for Rapid method {long | short} Spanning Tree. The no form command restores the default. spanning-tree transmission- Sets the minimum interval between the limit count...
  • Page 32 – Forwarding — Port forwards packets, and continues learning addresses. • Designated Cost — The cost for a packet to travel from this port to the root in the current Spanning Tree configuration. The slower the media, the higher the cost. •...
  • Page 33 • Link Type — The link type attached to this interface. (Default: Auto) – Point-to-Point — A connection to exactly one other bridge. Shared — A connection to two or more bridges. – – Auto — The switch automatically determines if the interface is attached to a point-to-point link or to shared media.
  • Page 34 The following figure is representative of PowerConnect 3248 and 5224. CLI Commands The following table summarizes the equivalent CLI commands for items in the Spanning Tree/Port Settings page. Command Usage spanning-tree port-priority Configures the priority for the specified priority interface.

  • Page 35: Simple Network Management Protocol

    E x a m p l e Console(config)#interface ethernet 1/5 Console(config-if)#spanning-tree port-priority 128 Console(config-if)#spanning-tree cost 19 Console(config-if)#spanning-tree link-type auto Console(config-if)#no spanning-tree edge-port Console#spanning-tree protocol-migration ethernet 1/5 Simple Network Management Protocol The Simple Network Management Protocol (SNMP) page contains a new link to the following page: •...
  • Page 36 Filtering Entry. To delete an IP address, click the entry in the IP Filter List, and then click Remove IP Filtering Entry. The following figure is representative of PowerConnect 3248 and 5224. CLI Commands The following table summarizes the equivalent CLI commands for items in the SNMP/IP Filtering page.
  • Page 37 E x a m p l e Console(config)#snmp ip filter 10.1.2.3 255.255.255.255 Console(config)# Statistics The Statistics page has two new links to the following pages: • Utilization Summary • Counter Summary Utilization Summary The Statistics/Utilization Summary page provides a per-port summary of traffic types and bandwidth utilization as a percentage of total traffic.
  • Page 38 The following figure is representative of PowerConnect 3248 and 5224. Counter Summary The Statistics/Counter Summary page provides a per-port summary of traffic-type counters. This page displays the following information: NOTE: Counters are cumulative from the last • Received Unicast Packets — Total number of unicast packets received time the system was on the port.
  • Page 39 • Transmit Errors — Total number of error packets transmitted on the port. The following figure is representative of PowerConnect 3248 and 5224. CLI Commands The following table summarizes the equivalent CLI commands for items in the Statistics/Counter Summary page.
  • Page 40 Error input: 0, Error output: 0 Unknown protos input: 0, QLen output: 0 Extended iftable stats: Multi-cast input: 0, Multi-cast output: 1854 Broadcast input: 138, Broadcast output: 165 Ether-like stats: Alignment errors: 0, FCS errors: 0 Single Collision frames: 0, Multiple collision frames: 0 SQE Test errors: 0, Deferred transmissions: 0 Late collisions: 0, Excessive collisions: 0 Internal mac transmit errors: 0, Internal mac receive errors:...
  • Page 42 Printed in Taiwan. 0K0111A01 P/N K0111 Rev. A01 w w w . d e l l . c o m | s u p p o r t . d e l l . c o m...

This manual is also suitable for:

Powerconnect 5224