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Cisco Catalyst 2800 Series Switches

Catalyst 2800 Switch FAQ

Cisco - Catalyst 2800 Switch Information

Document ID: 17065

Updated: Oct 07, 2005

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Introduction

This document contains information on the Catalyst 2800 switch.

Prerequisites

Requirements

There are no specific requirements for this document.

Components Used

The information in this document is based on the Catalyst 2800 switch.

The information in this document was created from the devices in a specific lab environment. All of the devices used in this document started with a cleared (default) configuration. If your network is live, make sure that you understand the potential impact of any command.

Conventions

Refer to Cisco Technical Tips Conventions for more information on document conventions.

Frequently Asked Questions

This section contains answers to frequently asked questions about the Catalyst 2800 switch.

Is the port administratively disabled?

If the Disabled LED is on, that port is either disabled or suspended.

In order to verify that the port is administratively disabled, complete these steps:

  1. From the Main Menu, enter U, and the Usage Summary Menu appears.

  2. Enter P, and the Port Status Report appears. This report shows the status of every port. If the status of the problem port is Disabled, the port is administratively disabled.

What are the proper cables for this product?

These are the proper cables:

  • 10BaseT port—straight through RJ-45 cable to a router or workstation, or rolled RJ-45 cable to a hub or another switch (Category 3, 4, or 5 UTP)

  • 100BaseFX port—multimode fiber with a MIC connector for connections up to 2 km long, or singlemode fiber with an ST connector for connections longer than 2 km

  • 100BaseTX—straight through RJ-45 cable to a router or workstation, or rolled RJ-45 cable to a hub or another switch (Category 5 UTP)

  • AUI port—external thick coaxial cable, thin coaxial cable, or fiber-optic transceiver

How do I enable the port module?

Complete these steps:

  1. From the Main Menu, enter P.

  2. At the prompt, enter the number of the disabled port, and the Port Menu appears.

  3. Enter S.

  4. At the prompt, enter E.

  5. Press Return.

How do I determine if an IP address is configured on the switch?

Complete these steps:

  1. From the Main Menu, enter N, and the Network Management Menu appears.

  2. Enter I, and the IP Configuration Menu appears.

  3. The current IP address for the domain is under Settings.

How do I configure an IP address?

Complete these steps:

  1. From the Main Menu, enter N, and the Network Management Menu appears.

  2. Enter I, and the IP Configuration Menu appears.

  3. Enter these in order to change the settings:

    • I in order to set the IP address

    • S in order to set the subnet mask

    • G in order to set the default gateway

    If you use multiple VLANs, you must set the IP address and subnet mask of each one.

How do I check the subnet mask on the switch and reconfigure it?

Complete these steps:

  1. From the Main Menu, enter N, and the Network Management Menu appears.

  2. Enter I, and the IP Configuration Menu appears.

  3. Enter S in order to set the subnet mask.

Is there a default route on the switch?

Complete these steps:

  1. From the Main Menu, enter N, and the Network Management Menu appears.

  2. Enter I, and the IP Configuration Menu appears.

  3. The current gateway setting appears under Settings.

How do I set a default route on the switch?

Complete these steps:

  1. From the Main Menu, enter N, and the Network Management Menu appears.

  2. Enter I, and the IP Configuration Menu appears.

  3. Enter G, and enter the default gateway address.

  4. Press Return.

What VLAN configuration documents exist on Cisco.com?

The Virtual LAN Configuration section of Out-of-Band Management.

Are the switch ports to which the end devices connect in the same VLAN? How do I assign both ports to the same VLAN?

From the Main Menu, enter V, and the Virtual LAN Menu appears. This menu shows all VLANs configured on the switch and shows which ports are assigned to each VLAN. Both ports must be assigned to the same VLAN.

Are the VLAN or trunk ports configured to pass that VLAN?

From the Main Menu, enter V, and the Virtual LAN Menu appears. This menu shows all VLANs configured on the switch and shows which ports are assigned to each VLAN. Both ports must be assigned to the same VLAN.

Note: The Catalyst 2100 and 2800 do not support trunking.

How do I assign all non-trunk ports along the link to the same VLAN, and configure any trunk ports along the link to pass that VLAN?

Complete these steps:

  1. From the Main Menu, enter V, and the Virtual LAN Menu appears.

  2. Enter C.

  3. At the prompt, enter the number of the VLAN you want modified before you see the VLAN Configuration Menu.

  4. Use the Add member ports or Move member ports from other VLANs (if overlapping membership is not enabled) option in order to assign ports to the VLAN.

Refer to the Virtual LAN Configuration section of Out-of-Band Management for more information, which includes how to enable overlapping membership.

Note: The Catalyst 2100 and 2800 do not support trunking.

Related Information

Updated: Oct 07, 2005
Document ID: 17065