Cisco 4500M Command Reference Manual page 422
Command reference
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Also See for 4500M:
- Software manual (608 pages) ,
- Hardware installation and maintenance manual (143 pages) ,
- Upgrade manual (24 pages)
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Chapter2
Cisco IOS Commands for the Catalyst 4500 Series Switches
show spanning-tree mst
This example shows how to display additional MST protocol values:
Switch# show spanning-tree mst 3 detail
# # # # # # MST03 vlans mapped: 3,3000-3999
Bridge address 0002.172c.f400 priority 32771 (32768 sysid 3)
Root this switch for MST03
GigabitEthernet1/1 of MST03 is boundary forwarding
Port info port id 128.1 priority 128
cost 20000
Designated root address 0002.172c.f400 priority 32771
cost 0
Designated bridge address 0002.172c.f400 priority 32771 port
id 128.1
Timers: message expires in 0 sec, forward delay 0, forward transitions 1
Bpdus (MRecords) sent 4, received 0
FastEthernet4/2 of MST03 is backup blocking
Port info port id 128.194 priority 128 cost
200000
Designated root address 0002.172c.f400 priority 32771
cost 0
Designated bridge address 0002.172c.f400 priority 32771 port id
128.193
Timers: message expires in 2 sec, forward delay 0, forward transitions 1
Bpdus (MRecords) sent 3, received 252
Switch#
This example shows how to display MST information for a specific interface:
Switch# show spanning-tree mst 0 interface fastEthernet 4/1 detail
Edge port: no (trunk) port guard : none
(default)
Link type: point-to-point (point-to-point) bpdu filter: disable
(default)
Boundary : internal bpdu guard : disable
(default)
FastEthernet4/1 of MST00 is designated forwarding
Vlans mapped to MST00 1-2,4-2999,4000-4094
Port info port id 128.193 priority 128 cost
200000
Designated root address 0050.3e66.d000 priority 8193
cost 20004
Designated ist master address 0002.172c.f400 priority 49152
cost 0
Designated bridge address 0002.172c.f400 priority 49152 port id
128.193
Timers: message expires in 0 sec, forward delay 0, forward transitions 1
Bpdus sent 492, received 3
Switch#
Related Commands
spanning-tree mst
spanning-tree mst forward-time
spanning-tree mst hello-time
spanning-tree mst max-hops
spanning-tree mst root
Catalyst4500 Series SwitchCiscoIOS Command Reference—Release 12.2(18)EW
2-390
78-16201-01
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