Switch 7700 Command reference Guide, v2.0

MSTP Configuration Commands 319
Related command: stp region-configuration.
Example
Display the MST region configuration information.
<SW7700>display stp region-configuration
Oper. Configuration:
Format selector :0
Region name :3Com
Revision level :0
Instance Vlans Mapped
0 21 to 4094
1 1 to 10
2 11 to 20
instance Syntax
instance instance-id [ vlan vlan-list ]
undo instance instance-id [ vlan vlan-list ]
View
MST region view
Parameter
instance-id: Specifies the spanning tree instance ID, ranging from 0 to 16.
vlan-list: Specifies the VLAN list, ranging from 1 to 4094. The switch may
support VLAN 4095, 4096 others, however, they can only be mapped to CIST
(Instance 0).
Description
■ Use the instance command to map the specified VLAN list to the specified STI.
■ Use the undo instance command to cancel the specified VLAN list from the
specified STI, the removed VLAN will then be mapped to the CIST (that is, the
Instance 0). If no VLAN is specified in the
undo command, all the VLANs
associated with the specified STI will be mapped to CIST.
By default, all the VLANs are mapped to CIST, that is, the Instance 0.
MSTP describes the association between VLANs and STIs with the VLAN mapping
table. You can use this command to configure this table. Every VLAN can be
mapped to an STI as per your configuration.
Table 27 The display Information
Field Description
Format selector
Region name Region name of MST region
Revision level MSTP revision level of MST region
Instance Vlans Mapped VLAN mapping table of MST region