Displaying Mst Configurations - Cisco 4500M Software Manual

Chapter 16 Understanding and Configuring Multiple Spanning Trees

Displaying MST Configurations

To display MST configurations, perform this task:
Command
Step 1
Switch# show spanning-tree mst configuration
Step 2
Switch# show spanning-tree mst [detail]
Step 3
Switch# show spanning-tree mst instance-id [detail]
Step 4
Switch# show spanning-tree mst interface interface
[detail]
Step 5
Switch# show spanning-tree mst instance-id
interface interface [detail]
Step 6
Switch# show spanning-tree vlan vlan_ID
The following examples show how to display spanning tree VLAN configurations in MST mode:
Switch(config)# spanning-tree mst configuration
Switch(config-mst)# instance 1 vlan 1-10
Switch(config-mst)# name cisco
Switch(config-mst)# revision 1
Switch(config-mst)# Ctrl-D
Switch# show spanning-tree mst configuration
Name
Revision
Instance
--------
0
1
-------------------------------------------------------------------------------
Switch# show spanning-tree mst
###### MST00
Bridge
Root
IST master
Operational hello time 2, forward delay 15, max age 20, max hops 20
Configured
Interface
---------------- ---- --- --------- -------- --------------------------------
Fa4/4
Fa4/5
Fa4/48
###### MST01
Bridge
Root
Interface
---------------- ---- --- --------- -------- --------------------------------
Fa4/4
Fa4/5
Fa4/48
OL-6696-01
[cisco]
1
Vlans mapped
---------------------------------------------------------------------
11-4094
1-10
vlans mapped:
address 00d0.00b8.1400
address 00d0.004a.3c1c
port Fa4/48
this switch
hello time 2, forward delay 15, max age 20, max hops 20
Role Sts Cost
Back BLK 1000
Desg FWD 200000
Root FWD 200000
vlans mapped:
address 00d0.00b8.1400
this switch for MST01
Role Sts Cost
Back BLK 1000
Desg FWD 200000
Boun FWD 200000
Purpose
Displays the active region configuration information.
Displays detailed MST protocol information.
Displays information about a specific MST instance.
Displays information for a given port.
Displays MST information for a given port and a given
instance.
Displays VLAN information in MST mode.
11-4094
priority 32768 (32768 sysid 0)
priority 32768 (32768 sysid 0)
path cost 203100
Prio.Nbr Status
240.196 P2p
128.197 P2p
128.240 P2p Bound(STP)
1-10
priority 32769 (32768 sysid 1)
Prio.Nbr Status
240.196 P2p
128.197 P2p
128.240 P2p Bound(STP)
Software Configuration Guide—Release 12.2(25)EW
Configuring MST
16-13