Cisco IE-3000-8TC Command Reference - Page 650

Command Modes, Command History, Usage Guidelines, Release, Modification, running-config startup-config

Page 650 highlights

vtp (VLAN configuration) Chapter 2 IE 3000 Switch Cisco IOS Commands Command Modes VLAN configuration Command History Release 12.2(44)EX Modification This command was introduced. Usage Guidelines If the VTP mode is transparent, the mode and domain name are saved in the switch running configuration file, and you can save the configuration in the switch startup configuration file by using the copy running-config startup-config privileged EXEC command. Follow these guidelines when setting the VTP mode: • The no vtp client and no vtp transparent forms of the command return the switch to VTP server mode. • The vtp server command is the same as no vtp client or no vtp transparent except that it does not return an error if the switch is not in client or transparent mode. • If the receiving switch is in client mode, the client switch changes its configuration to duplicate the configuration of the server. If you have switches in client mode, make sure to make all VTP or VLAN configuration changes on a switch in server mode. If the receiving switch is in server mode or transparent mode, the switch configuration is not changed. • Switches in transparent mode do not participate in VTP. If you make VTP or VLAN configuration changes on a switch in transparent mode, the changes are not propagated to other switches in the network. • If you make a change to the VTP or VLAN configuration on a switch in server mode, that change is propagated to all the switches in the same VTP domain. • The vtp transparent command disables VTP from the domain but does not remove the domain from the switch. • The VTP mode must be transparent for you to add extended-range VLANs or for the VTP and the VLAN configurations to be saved in the running configuration file. • If extended-range VLANs are configured on the switch and you attempt to set the VTP mode to server or client, you receive an error message and the configuration is not allowed. • VTP can be set to either server or client mode only when dynamic VLAN creation is disabled. Note VTP configuration in VLAN configuration mode is saved in the VLAN database when applied. Follow these guidelines when configuring a VTP domain name: • The switch is in the no-management-domain state until you configure a domain name. While in the no-management-domain state, the switch does not send any VTP advertisements even if changes occur to the local VLAN configuration. The switch leaves the no-management-domain state after receiving the first VTP summary packet on any port that is currently trunking or after configuring a domain name with the vtp domain command. If the switch receives its domain from a summary packet, it resets its configuration revision number to zero. After the switch leaves the no-management-domain state, it can never be configured to reenter it until you clear the NVRAM and reload the software. 2-624 Cisco IE 3000 Switch Command Reference OL-13019-01

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2-624
Cisco IE 3000 Switch Command Reference
OL-13019-01
Chapter 2
IE 3000 Switch
Cisco IOS Commands
vtp (VLAN configuration)
Command Modes
VLAN configuration
Command History
Usage Guidelines
If the VTP mode is transparent, the mode and domain name are saved in the switch running configuration
file, and you can save the configuration in the switch startup configuration file by using the
copy
running-config startup-config
privileged EXEC command.
Follow these guidelines when setting the VTP mode:
The
no
vtp client
and
no vtp transparent
forms of the command return the switch to VTP server
mode.
The
vtp server
command is the same as
no vtp client
or
no vtp transparent
except that it does not
return an error if the switch is not in client or transparent mode.
If the receiving switch is in client mode, the client switch changes its configuration to duplicate the
configuration of the server. If you have switches in client mode, make sure to make all VTP or
VLAN configuration changes on a switch in server mode. If the receiving switch is in server mode
or transparent mode, the switch configuration is not changed.
Switches in transparent mode do not participate in VTP. If you make VTP or VLAN configuration
changes on a switch in transparent mode, the changes are not propagated to other switches in the
network.
If you make a change to the VTP or VLAN configuration on a switch in server mode, that change is
propagated to all the switches in the same VTP domain.
The
vtp transparent
command disables VTP from the domain but does not remove the domain from
the switch.
The VTP mode must be transparent for you to add extended-range VLANs or for the VTP and the
VLAN configurations to be saved in the running configuration file.
If extended-range VLANs are configured on the switch and you attempt to set the VTP mode to
server or client, you receive an error message and the configuration is not allowed.
VTP can be set to either server or client mode only when dynamic VLAN creation is disabled.
Note
VTP configuration in VLAN configuration mode is saved in the VLAN database when applied.
Follow these guidelines when configuring a VTP domain name:
The switch is in the no-management-domain state until you configure a domain name. While in the
no-management-domain state, the switch does not send any VTP advertisements even if changes
occur to the local VLAN configuration. The switch leaves the no-management-domain state after
receiving the first VTP summary packet on any port that is currently trunking or after configuring a
domain name with the
vtp domain
command. If the switch receives its domain from a summary
packet, it resets its configuration revision number to zero. After the switch leaves the
no-management-domain state, it can never be configured to reenter it until you clear the NVRAM
and reload the software.
Release
Modification
12.2(44)EX
This command was introduced.