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Catalyst 6500 Series Switch Command Reference—Release8.1
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Chapter2 Catalyst 6500 Series Switch and ROM Monitor Commands
show spantree mst
show spantree mst
To display MST information, use the show spantree mst command.
show spantree mst [instance | mod/port]
show spantree mst active
Syntax Description
Defaults The default instance is instance 0 (IST).
Command Types Switch command.
Command Modes Normal.
Usage Guidelines You can use the show spantree mst command to display VLAN-specific spanning tree in form at ion .
Examples This example shows how to display MST information:
Console> (enable) show spantree mst
Spanning tree mode MST
Instance 0
VLANs Mapped: 2-4094
Designated Root 00-04-9b-ba-48-00
Designated Root Priority 32768 (root priority:32768, sys ID ext:0)
Designated Root Cost 2000000
Designated Root Port 7/48
Root Max Age 20 sec Hello Time 2 sec Forward Delay 15 sec
IST Master ID MAC ADDR 00-d0-00-b3-68-00
IST Master ID Priority 32768
IST Master Path Cost 0 Remaining Hops 20
Bridge ID MAC ADDR 00-d0-00-b3-68-00
Bridge ID Priority 32768 (bridge priority:32768, sys ID ext:0)
Bridge Max Age 20 sec Hello Time 2 sec Forward Delay 15 sec Max Hops 20
Port State Role Cost Prio Type
------------------------ ------------- ---- -------- ---- --------------------
5/1 forwarding DESG 20000 32 P2P, Boundary(STP)
5/2 forwarding DESG 20000 32 P2P, Boundary(STP)
7/48 forwarding ROOT 2000000 32 Shared, Boundary
Console> (enable)
instance Number of the instance; valid values are from 0 to 15.
mod/port Number of the module and the port on the mod ule.
active Displays active IST ports only.