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Chapter 7
Configuring Spanning Tree
Edit Buffer modified.
Use 'set spantree mst config commit' to apply the changes
Console> (enable) set spantree mst 3 vlan 31-40
Edit Buffer modified.
Use 'set spantree mst config commit' to apply the changes
Console> (enable) set spantree mst 4 vlan 41-50
Edit Buffer modified.
Use 'set spantree mst config commit' to apply the changes
Console> (enable) show spantree mst config
Current (NVRAM) MST Region Configuration:
Configuration Name:
Instance VLANs
-------- --------------------------------------------------------------
0
=======================================================================
NEW MST Region Configuration (Not committed yet)
Configuration Name: cisco
Instance VLANs
-------- --------------------------------------------------------------
0
1
2
3
4
=======================================================================
Edit buffer is locked by: Console (pid 143)
Console> (enable) set spantree mst config commit
Console> (enable) show spantree mst config
Current (NVRAM) MST Region Configuration:
Configuration Name: cisco
Instance VLANs
-------- --------------------------------------------------------------
0
1
2
3
4
=======================================================================
Console> (enable) set spantree mode mst
PVST+ database cleaned up.
Spantree mode set to MST.
Console> (enable) show spantree mst 0
Spanning tree mode
Instance
VLANs Mapped:
Designated Root
Designated Root Priority
Designated Root Cost
Designated Root Port
Root Max Age
CIST Regional Root
CIST Regional Root Priority 32768
CIST Internal Root Cost
Bridge ID MAC ADDR
Bridge ID Priority
Bridge Max Age 20 sec
Port
------------------------ ------------- ---- --------- ---- --------------------
3/48
7/2
OL-8978-04
1-4094
1,11-20,51-4094
2-10
21-30
31-40
41-50
1,11-20,51-4094
2-10
21-30
31-40
41-50
MST
0
1,11-20,51-4094
00-60-70-4c-70-00
16384
200000
3/48
14 sec
Forward Delay 10 sec
00-d0-00-4c-18-00
0
00-d0-00-4c-18-00
32768
Hello Time 2
State
forwarding
forwarding
Catalyst 6500 Series Switch Software Configuration Guide—Release 8.7
Configuring Multiple Spanning Tree on the Switch
1 instance
Revision: 0
5 instances
Revision: 1
5 instances
Revision: 1
(root priority: 16384, sys ID ext: 0)
Remaining Hops 20
(bridge priority: 32768, sys ID ext: 0)
sec
Forward Delay 15 sec
Role Cost
Prio Type
ROOT
200000
32 Shared, Boundary(STP)
DESG
20000
32 P2P, Edge
Max Hops 20
7-53
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