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Software Configuration Guide—Release 15.0(2)SG
OL-23818-01
Chapter 18 Configuring STP and MST
Configuring MST
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 [cisco]
Revision 1
Instance Vlans mapped
-------- ---------------------------------------------------------------------
0 11-4094
1 1-10
-------------------------------------------------------------------------------
Switch# show spanning-tree mst
###### MST00 vlans mapped: 11-4094
Bridge address 00d0.00b8.1400 priority 32768 (32768 sysid 0)
Root address 00d0.004a.3c1c priority 32768 (32768 sysid 0)
port Fa4/48 path cost 203100
IST master this switch
Operational hello time 2, forward delay 15, max age 20, max hops 20
Configured hello time 2, forward delay 15, max age 20, max hops 20
Interface Role Sts Cost Prio.Nbr Status
---------------- ---- --- --------- -------- --------------------------------
Fa4/4 Back BLK 1000 240.196 P2p
Fa4/5 Desg FWD 200000 128.197 P2p
Fa4/48 Root FWD 200000 128.240 P2p Bound(STP)
###### MST01 vlans mapped: 1-10
Bridge address 00d0.00b8.1400 priority 32769 (32768 sysid 1)
Root this switch for MST01
Interface Role Sts Cost Prio.Nbr Status
---------------- ---- --- --------- -------- --------------------------------
Fa4/4 Back BLK 1000 240.196 P2p
Fa4/5 Desg FWD 200000 128.197 P2p
Fa4/48 Boun FWD 200000 128.240 P2p Bound(STP)
Switch# show spanning-tree mst 1
###### MST01 vlans mapped: 1-10
Bridge address 00d0.00b8.1400 priority 32769 (32768 sysid 1)
Root this switch for MST01
Interface Role Sts Cost Prio.Nbr Status
---------------- ---- --- --------- -------- --------------------------------
Fa4/4 Back BLK 1000 240.196 P2p
Fa4/5 Desg FWD 200000 128.197 P2p
Fa4/48 Boun FWD 200000 128.240 P2p Bound(STP)