分类：
2012-02-07 20:49:20
配置完成后，就要进行最后的校验了。首先校验Distribution 1交换机是否已成为了VLAN 10、30、100的根交换机，然后校验各端口的转发状态是否符合我们的需求。
Distribution 1# show spanning-tree mst 0
##### MST0 vlans mapped: 1-9,11-19,21-29,31-39,41-99,101-199,201-4094
Bridge address 0015.63f6.b700 priority 24576 (24576 sysid 0)
Root this switch for the CIST
Operational hello time 2 , forward delay 15, max age 20, txholdcount 6
Configured hello time 2 , forward delay 15, max age 20, max hops 20
Interface Role Sts Cost Prio.Nbr Type
---------------- ---- --- --------- -------- --------------------------------
Fa1/0/1 Desg FWD 200000 128.1 P2p
Fa1/0/3 Desg FWD 200000 128.3 P2p
Fa1/0/5 Desg FWD 200000 128.5 P2p
Fa1/0/23 Desg FWD 200000 128.23 P2p
Fa1/0/24 Desg FWD 200000 128.24 P2p
Distribution 1#show spanning-tree mst 1
##### MST1 vlans mapped: 10,30,100
Bridge address 0015.63f6.b700 priority 24577 (24576 sysid 1)
Root this switch for MST1
Interface Role Sts Cost Prio.Nbr Type
---------------- ---- --- --------- -------- --------------------------------
Fa1/0/1 Desg FWD 200000 128.1 P2p
Fa1/0/3 Desg FWD 200000 128.3 P2p
Fa1/0/5 Desg FWD 200000 128.5 P2p
Fa1/0/23 Desg FWD 200000 128.23 P2p
Fa1/0/24 Desg FWD 200000 128.24 P2p
Distribution 1#show spanning-tree mst 2
##### MST2 vlans mapped: 20,40,200
Bridge address 0015.63f6.b700 priority 28674 (28672 sysid 2)
Root address 0015.c6c1.3000 priority 24578 (24576 sysid 2)
port Gi1/0/24 cost 200000 rem hops 4
Interface Role Sts Cost Prio.Nbr Type
---------------- ---- --- --------- -------- --------------------------------
Gi1/0/1 Desg FWD 200000 128.1 P2p
Gi1/0/3 Desg FWD 200000 128.3 P2p
Gi1/0/23 Altn BLK 200000 128.23 P2p
Gi1/0/24 Root FWD 200000 128.24 P2p
Distribution 2#show spanning-tree mst 0
##### MST0 vlans mapped: 1-9,11-19,21-29,31-39,41-99,101-199,201-4094
Bridge address 0015.c6c1.3000 priority 28672 (28672 sysid 0)
Root address 0015.63f6.b700 priority 24576 (24576 sysid 0)
port Fa1/0/23 path cost 0
Regional Root address 0015.63f6.b700 priority 24576 (24576 sysid 0)
internal cost 200000 rem hops 19
Operational hello time 2 , forward delay 15, max age 20, txholdcount 6
Configured hello time 2 , forward delay 15, max age 20, max hops 20
Interface Role Sts Cost Prio.Nbr Type
---------------- ---- --- --------- -------- --------------------------------
Fa1/0/2 Desg FWD 200000 128.54 P2p
Fa1/0/4 Desg FWD 200000 128.56 P2p
Fa1/0/6 Desg FWD 200000 128.58 P2p
Fa1/0/23 Root FWD 200000 128.75 P2p
Fa1/0/24 Altn BLK 200000 128.76 P2p
Distribution 2#show spanning-tree mst 1
##### MST1 vlans mapped: 10,30,100
Bridge address 0015.c6c1.3000 priority 28673 (28672 sysid 1)
Root address 0015.63f6.b700 priority 24577 (24576 sysid 1)
port Gi2/0/23 cost 200000 rem hops 1
Interface Role Sts Cost Prio.Nbr Type
---------------- ---- --- --------- -------- --------------------------------
Gi2/0/2 Desg FWD 200000 128.54 P2p
Gi2/0/4 Desg FWD 200000 128.56 P2p
Gi2/0/23 Root FWD 200000 128.75 P2p
Gi2/0/24 Altn BLK 200000 128.76 P2p
Distribution 2#show spanning-tree mst 2
##### MST2 vlans mapped: 20,40,200
Bridge address 0015.c6c1.3000 priority 24578 (24576 sysid 2)
Root this switch for MST2
Interface Role Sts Cost Prio.Nbr Type
---------------- ---- --- --------- -------- --------------------------------
Gi2/0/2 Desg FWD 200000 128.54 P2p
Gi2/0/4 Desg FWD 200000 128.56 P2p
Gi2/0/6 Desg FWD 200000 128.58 P2p
Gi2/0/23 Desg FWD 200000 128.75 P2p
Gi2/0/24 Desg FWD 200000 64.76 P2p
Access 2> (enable) show spantree mst 1
Spanning tree mode MST
Instance 1
VLANs Mapped: 10,30,100
Designated Root 00-15-63-f6-b7-00
Designated Root Priority 24577 (root priority: 24576, sys ID ext: 1)
Designated Root Cost 200000 Remaining Hops 19
Designated Root Port 3/3
Bridge ID MAC ADDR 00-d0-00-50-30-00
Bridge ID Priority 32769 (bridge priority: 32768, sys ID ext: 1)
Port State Role Cost Prio Type
------------------------ ------------- ---- --------- ---- --------------------
3/3 forwarding ROOT 200000 32 P2P
3/4 blocking ALTR 200000 32 P2P
Access 2> (enable) show spantree mst 2
Spanning tree mode MST
Instance 2
VLANs Mapped: 20,40,200
Designated Root 00-15-c6-c1-30-00
Designated Root Priority 24578 (root priority: 24576, sys ID ext: 2)
Designated Root Cost 200000 Remaining Hops 19
Designated Root Port 3/4
Bridge ID MAC ADDR 00-d0-00-50-30-00
Bridge ID Priority 32770 (bridge priority: 32768, sys ID ext: 2)
Port State Role Cost Prio Type
------------------------ ------------- ---- --------- ---- --------------------
3/3 blocking ALTR 200000 32 P2P
3/4 forwarding ROOT 200000 32 P2P
