Cisco Catalyst 2950 Software Guide

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Catalyst 2950 Desktop Switch Software Configuration Guide
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Chapter8 Configuring VLANs
Using VTP
Configuring VTP
You can configure VTP through the CLI by entering commands in the VLAN database command mode.
When you enter the exit command in VLAN database mode, it applies all the commands that you
entered. VTP messages are sent to other switches in the VTP domain, and you enter privileged EXEC
mode.
If you are configuring VTP on a cluster member switch to a VLAN, use the rcommand privileged EXEC
command to log in to the member switch. For more information on how to use this command, refer to
the Catalyst 2950 Desktop Switch Command Reference.
Note The Cisco IOS end and Ctrl-Z commands are not supported in VLAN database mode.
After you configure VTP, you must configure a trunk port so that the switch can send and receive VTP
advertisements. For more information, see the “Changing the Pruning-Eligible List” section on
page 8-23.
Configuring VTP Server Mode
When a switch is in VTP server mode, you can change the VLAN configuration and have it propagated
throughout the network.
Beginning in privileged EXEC mode, follow these steps to configure the switch for VTP server mode:
Configuring VTP Client Mode
When a switch is in VTP client mode, you cannot change its VLAN configuration. The client switch
receives VTP updates from a VTP server in the VTP domain and then modifies its configuration
accordingly.
Command Purpose
Step 1
vlan database Enter VLAN database mode.
Step 2
vtp domain domain-name Configure a VTP administrative-domain name.
The name can be from 1 to 32 characters.
All switches operating in VTP server or client mode under the same
administrative responsibility must be configured with the same domain name.
Step 3
vtp password password-value (Optional) Set a password for the VTP domain. The password can be from 8 to
64 characters.
If you configure a VTP password, the VTP domain does not function properly if
youdonotassignthesamepasswordtoeachswitchinthedomain.
Step 4
vtp server Configure the switch for VTP server mode (the default).
Step 5
exit Return to privileged EXEC mode.
Step 6
show vtp status Verify the VTP configuration.
In the display, check the VTP Operating Mode and the VTP Domain Name fields.

Cisco Catalyst 2950 Specifications

General

Forwarding Bandwidth	8.8 Gbps
Switching Capacity	13.6 Gbps
Forwarding Rate	6.6 Mpps
Weight	3.6 kg
RAM	16 MB
Flash Memory	8 MB
Operating Humidity	10% to 85% non-condensing
Uplink Ports	2 x 10/100/1000Base-T
Dimensions	4.4 cm x 44.5 cm x 24.2 cm
Remote Management Protocol	SNMP, Telnet, HTTP
Features	Quality of Service (QoS), VLAN support
Compliant Standards	IEEE 802.3, IEEE 802.3u, IEEE 802.1D, IEEE 802.1Q, IEEE 802.1p
Status Indicators	system
Operating Temperature	0 to 45°C
Ports	24 x 10/100 Ethernet ports
MAC Address Table Size	8, 192 entries
Power Supply	Internal 100-240V AC, 50-60Hz