Cisco IOS in a Nutshell, 2nd Edition

Name

vlan — vlan config mode

Synopsis

vlan vlan-id [are hops] [ backupcrf mode ] [ bridge type | number]
[ media type ] [mtu mtu-size] [name vlan-name] [parent parent-vlan-id]
[ring ring-number] [said sa-id-value] [state {suspend | active}]
[stp type type] [tb-vlan1 id] [tb-vlan2 id]
no vlan vlan-id

Configures

A specific VLAN

Default

None

Description

This command configures a VLAN while in the VLAN configuration mode.

vlan-id

The VLAN number, from 2 to 1,001.

are hops

Optional. Specifies the maximum number of All Route Explorer hops for this VLAN, from 0 to 13. If not defined, 0 is the default.

backupcrf mode

Optional. Enables or disables the backup concentrator relay function (CRF). Valid values are enable or disable.

bridge

Optional. Sets the bridging characteristics of the VLAN. Valid values for the type are srb or srt. Valid values for the bridge-number are 0 to 15. No default.

media type

Optional. Specifies the media type of the VLAN. Values can be ethernet, fd-net, fddi, trcrf, and trbrf. Default is ethernet.

mtu mtu-size

Optional. Specifies the MTU (Maximum Transmission Unit) for the VLAN. Valid values are 576 to 18,190. Defaults are dependent on the VLAN type but it is usually 1,500.

name vlan-name

Optional. Specifies a text string to identify the VLAN. The name can be from 1 to 32 characters in length. Default is vlan XXXX where XXXX represents the VLAN ID number.

parent parent-vlan-id

Optional. Specifies the ID number for parent VLANs for FDDI or Token Ring networks. Can be a ...