Cisco WS-C2960-24TC-S Software Guide - Page 291
Configuring a VTP Client, no vtp mode, no vtp password, vlan database, vtp client, con terminal
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Chapter 13 Configuring VTP Configuring VTP Configuring a VTP Client 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. Follow these guidelines: • If extended-range VLANs are configured on the switch, you cannot change VTP mode to client. You receive an error message, and the configuration is not allowed. • If you configure the switch for VTP client mode, the switch does not create the VLAN database file (vlan.dat). If the switch is then powered off, it resets the VTP configuration to the default. To keep the VTP configuration with VTP client mode after the switch restarts, you must first configure the VTP domain name before the VTP mode. Caution If all switches are operating in VTP client mode, do not configure a VTP domain name. If you do, it is impossible to make changes to the VLAN configuration of that domain. Therefore, make sure you configure at least one switch as a VTP server. Beginning in privileged EXEC mode, follow these steps to configure the switch as a VTP client: Step 1 Step 2 Command configure terminal vtp mode client Step 3 vtp domain domain-name Step 4 Step 5 Step 6 vtp password password end show vtp status Purpose Enter global configuration mode. Configure the switch for VTP client mode. The default setting is VTP server. (Optional) Enter the VTP administrative-domain name. The name can be 1 to 32 characters. This should be the same domain name as the VTP server. All switches operating in VTP server or client mode under the same administrative responsibility must be configured with the same domain name. (Optional) Enter the password for the VTP domain. Return to privileged EXEC mode. Verify your entries in the VTP Operating Mode and the VTP Domain Name fields of the display. Use the no vtp mode global configuration command to return the switch to VTP server mode. To return the switch to a no-password state, use the no vtp password privileged EXEC command. When you configure a domain name, it cannot be removed; you can only reassign a switch to a different domain. Note You can also configure a VTP client by using the vlan database privileged EXEC command to enter VLAN database configuration mode and entering the vtp client command, similar to the second procedure under "Configuring a VTP Server" section on page 13-9. Use the no vtp client VLAN database configuration command to return the switch to VTP server mode or the no vtp password VLAN database configuration command to return the switch to a no-password state. When you configure a domain name, it cannot be removed; you can only reassign a switch to a different domain. OL-8603-04 Catalyst 2960 Switch Software Configuration Guide 13-11
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