下面是各个交换机的stp信息
R3(名称是核心A,其他信息vlan2 vlan3的根桥):
VLAN2
Spanning tree enabled protocol ieee
Root ID Priority 8192
Address cc0b.7644.0001
This bridge is the root
Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec
Bridge ID Priority 8192
Address cc0b.7644.0001
Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec
Aging Time 0
Interface Designated
Name Port ID Prio Cost Sts Cost Bridge ID Port ID
-------------------- ------- ---- ----- --- ----- -------------------- -------
FastEthernet0/3 128.4 128 19 FWD 0 8192 cc0b.7644.0001 128.4
FastEthernet0/4 128.5 128 19 FWD 0 8192 cc0b.7644.0001 128.5
Port-channel1 128.201 128 12 FWD 0 8192 cc0b.7644.0001 128.201
VLAN3
Spanning tree enabled protocol ieee
Root ID Priority 8192
Address cc0b.7644.0002
This bridge is the root
Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec
Bridge ID Priority 8192
Address cc0b.7644.0002
Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec
Aging Time 0
Interface Designated
Name Port ID Prio Cost Sts Cost Bridge ID Port ID
-------------------- ------- ---- ----- --- ----- -------------------- -------
FastEthernet0/3 128.4 128 19 FWD 0 8192 cc0b.7644.0002 128.4
FastEthernet0/4 128.5 128 19 FWD 0 8192 cc0b.7644.0002 128.5
Port-channel1 128.201 128 12 FWD 0 8192 cc0b.7644.0002 128.201
VLAN4
Spanning tree enabled protocol ieee
Root ID Priority 8192
Address cc08.7644.0003
Cost 12
Port 201 (Port-channel1)
Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec
Bridge ID Priority 16384
Address cc0b.7644.0003
Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec
Aging Time 0
Interface Designated
Name Port ID Prio Cost Sts Cost Bridge ID Port ID
-------------------- ------- ---- ----- --- ----- -------------------- -------
FastEthernet0/3 128.4 128 19 FWD 12 16384 cc0b.7644.0003 128.4
FastEthernet0/4 128.5 128 19 FWD 12 16384 cc0b.7644.0003 128.5
Port-channel1 128.201 128 12 FWD 0 8192 cc08.7644.0003 128.201
VLAN5
Spanning tree enabled protocol ieee
Root ID Priority 8192
Address cc08.7644.0004
Cost 12
Port 201 (Port-channel1)
Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec
Bridge ID Priority 16384
Address cc0b.7644.0004
Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec
Aging Time 0
Interface Designated
Name Port ID Prio Cost Sts Cost Bridge ID Port ID
-------------------- ------- ---- ----- --- ----- -------------------- -------
FastEthernet0/3 128.4 128 19 FWD 12 16384 cc0b.7644.0004 128.4
FastEthernet0/4 128.5 128 19 FWD 12 16384 cc0b.7644.0004 128.5
Port-channel1 128.201 128 12 FWD 0 8192 cc08.7644.0004 128.201
R4(核心B,van4 vlan5根桥):
VLAN2
Spanning tree enabled protocol ieee
Root ID Priority 8192
Address cc0b.7644.0001
Cost 12
Port 201 (Port-channel1)
Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec
Bridge ID Priority 16384
Address cc08.7644.0001
Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec
Aging Time 0
Interface Designated
Name Port ID Prio Cost Sts Cost Bridge ID Port ID
-------------------- ------- ---- ----- --- ----- -------------------- -------
FastEthernet0/3 128.4 128 19 FWD 12 16384 cc08.7644.0001 128.4
FastEthernet0/4 128.5 128 19 FWD 12 16384 cc08.7644.0001 128.5
Port-channel1 128.201 128 12 FWD 0 8192 cc0b.7644.0001 128.201
VLAN3
Spanning tree enabled protocol ieee
Root ID Priority 8192
Address cc0b.7644.0002
Cost 12
Port 201 (Port-channel1)
Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec
Bridge ID Priority 16384
Address cc08.7644.0002
Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec
Aging Time 0
Interface Designated
Name Port ID Prio Cost Sts Cost Bridge ID Port ID
-------------------- ------- ---- ----- --- ----- -------------------- -------
FastEthernet0/3 128.4 128 19 FWD 12 16384 cc08.7644.0002 128.4
FastEthernet0/4 128.5 128 19 FWD 12 16384 cc08.7644.0002 128.5
Port-channel1 128.201 128 12 FWD 0 8192 cc0b.7644.0002 128.201
VLAN4
Spanning tree enabled protocol ieee
Root ID Priority 8192
Address cc08.7644.0003
This bridge is the root
Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec
Bridge ID Priority 8192
Address cc08.7644.0003
Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec
Aging Time 0
Interface Designated
Name Port ID Prio Cost Sts Cost Bridge ID Port ID
-------------------- ------- ---- ----- --- ----- -------------------- -------
FastEthernet0/3 128.4 128 19 FWD 0 8192 cc08.7644.0003 128.4
FastEthernet0/4 128.5 128 19 FWD 0 8192 cc08.7644.0003 128.5
Port-channel1 128.201 128 12 FWD 0 8192 cc08.7644.0003 128.201
VLAN5
Spanning tree enabled protocol ieee
Root ID Priority 8192
Address cc08.7644.0004
This bridge is the root
Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec
Bridge ID Priority 8192
Address cc08.7644.0004
Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec
Aging Time 0
Interface Designated
Name Port ID Prio Cost Sts Cost Bridge ID Port ID
-------------------- ------- ---- ----- --- ----- -------------------- -------
FastEthernet0/3 128.4 128 19 FWD 0 8192 cc08.7644.0004 128.4
FastEthernet0/4 128.5 128 19 FWD 0 8192 cc08.7644.0004 128.5
Port-channel1 128.201 128 12 FWD 0 8192 cc08.7644.0004 128.201
R5(汇聚A):
VLAN2
Spanning tree enabled protocol ieee
Root ID Priority 8192
Address cc0b.7644.0001
Cost 19
Port 4 (FastEthernet0/3)
Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec
Bridge ID Priority 32768
Address cc09.7644.0001
Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec
Aging Time 0
Interface Designated
Name Port ID Prio Cost Sts Cost Bridge ID Port ID
-------------------- ------- ---- ----- --- ----- -------------------- -------
FastEthernet0/3 128.4 128 19 FWD 0 8192 cc0b.7644.0001 128.4
FastEthernet0/4 128.5 128 19 BLK 12 16384 cc08.7644.0001 128.5
FastEthernet0/5 128.6 128 19 FWD 19 32768 cc09.7644.0001 128.6
Interface Designated
Name Port ID Prio Cost Sts Cost Bridge ID Port ID
-------------------- ------- ---- ----- --- ----- -------------------- -------
FastEthernet0/6 128.7 128 19 FWD 19 32768 cc09.7644.0001 128.7
VLAN3
Spanning tree enabled protocol ieee
Root ID Priority 8192
Address cc0b.7644.0002
Cost 19
Port 4 (FastEthernet0/3)
Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec
Bridge ID Priority 32768
Address cc09.7644.0002
Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec
Aging Time 0
Interface Designated
Name Port ID Prio Cost Sts Cost Bridge ID Port ID
-------------------- ------- ---- ----- --- ----- -------------------- -------
FastEthernet0/3 128.4 128 19 FWD 0 8192 cc0b.7644.0002 128.4
FastEthernet0/4 128.5 128 19 BLK 12 16384 cc08.7644.0002 128.5
FastEthernet0/5 128.6 128 19 FWD 19 32768 cc09.7644.0002 128.6
FastEthernet0/6 128.7 128 19 FWD 19 32768 cc09.7644.0002 128.7
VLAN4
Spanning tree enabled protocol ieee
Root ID Priority 8192
Address cc08.7644.0003
Cost 19
Port 5 (FastEthernet0/4)
Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec
Bridge ID Priority 32768
Address cc09.7644.0003
Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec
Aging Time 0
Interface Designated
Name Port ID Prio Cost Sts Cost Bridge ID Port ID
-------------------- ------- ---- ----- --- ----- -------------------- -------
FastEthernet0/3 128.4 128 19 BLK 12 16384 cc0b.7644.0003 128.4
FastEthernet0/4 128.5 128 19 FWD 0 8192 cc08.7644.0003 128.5
FastEthernet0/5 128.6 128 19 FWD 19 32768 cc09.7644.0003 128.6
FastEthernet0/6 128.7 128 19 FWD 19 32768 cc09.7644.0003 128.7
VLAN5
Spanning tree enabled protocol ieee
Root ID Priority 8192
Address cc08.7644.0004
Cost 19
Port 5 (FastEthernet0/4)
Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec
Bridge ID Priority 32768
Address cc09.7644.0004
Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec
Aging Time 0
Interface Designated
Name Port ID Prio Cost Sts Cost Bridge ID Port ID
-------------------- ------- ---- ----- --- ----- -------------------- -------
FastEthernet0/3 128.4 128 19 BLK 12 16384 cc0b.7644.0004 128.4
FastEthernet0/4 128.5 128 19 FWD 0 8192 cc08.7644.0004 128.5
FastEthernet0/5 128.6 128 19 FWD 19 32768 cc09.7644.0004 128.6
FastEthernet0/6 128.7 128 19 FWD 19 32768 cc09.7644.0004 128.7
R6(汇聚B):
VLAN2
Spanning tree enabled protocol ieee
Root ID Priority 8192
Address cc0b.7644.0001
Cost 19
Port 5 (FastEthernet0/4)
Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec
Bridge ID Priority 32768
Address cc0a.7644.0001
Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec
Aging Time 0
Interface Designated
Name Port ID Prio Cost Sts Cost Bridge ID Port ID
-------------------- ------- ---- ----- --- ----- -------------------- -------
FastEthernet0/3 128.4 128 19 BLK 12 16384 cc08.7644.0001 128.4
FastEthernet0/4 128.5 128 19 FWD 0 8192 cc0b.7644.0001 128.5
FastEthernet0/5 128.6 128 19 FWD 19 32768 cc0a.7644.0001 128.6
FastEthernet0/6 128.7 128 19 FWD 19 32768 cc0a.7644.0001 128.7
VLAN3
Spanning tree enabled protocol ieee
Root ID Priority 8192
Address cc0b.7644.0002
Cost 19
Port 5 (FastEthernet0/4)
Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec
Bridge ID Priority 32768
Address cc0a.7644.0002
Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec
Aging Time 0
Interface Designated
Name Port ID Prio Cost Sts Cost Bridge ID Port ID
-------------------- ------- ---- ----- --- ----- -------------------- -------
FastEthernet0/3 128.4 128 19 BLK 12 16384 cc08.7644.0002 128.4
FastEthernet0/4 128.5 128 19 FWD 0 8192 cc0b.7644.0002 128.5
FastEthernet0/5 128.6 128 19 FWD 19 32768 cc0a.7644.0002 128.6
FastEthernet0/6 128.7 128 19 FWD 19 32768 cc0a.7644.0002 128.7
VLAN4
Spanning tree enabled protocol ieee
Root ID Priority 8192
Address cc08.7644.0003
Cost 19
Port 4 (FastEthernet0/3)
Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec
Bridge ID Priority 32768
Address cc0a.7644.0003
Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec
Aging Time 0
Interface Designated
Name Port ID Prio Cost Sts Cost Bridge ID Port ID
-------------------- ------- ---- ----- --- ----- -------------------- -------
FastEthernet0/3 128.4 128 19 FWD 0 8192 cc08.7644.0003 128.4
FastEthernet0/4 128.5 128 19 BLK 12 16384 cc0b.7644.0003 128.5
FastEthernet0/5 128.6 128 19 FWD 19 32768 cc0a.7644.0003 128.6
FastEthernet0/6 128.7 128 19 FWD 19 32768 cc0a.7644.0003 128.7
VLAN5
Spanning tree enabled protocol ieee
Root ID Priority 8192
Address cc08.7644.0004
Cost 19
Port 4 (FastEthernet0/3)
Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec
Bridge ID Priority 32768
Address cc0a.7644.0004
Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec
Aging Time 0
Interface Designated
Name Port ID Prio Cost Sts Cost Bridge ID Port ID
-------------------- ------- ---- ----- --- ----- -------------------- -------
FastEthernet0/3 128.4 128 19 FWD 0 8192 cc08.7644.0004 128.4
FastEthernet0/4 128.5 128 19 BLK 12 16384 cc0b.7644.0004 128.5
FastEthernet0/5 128.6 128 19 FWD 19 32768 cc0a.7644.0004 128.6
FastEthernet0/6 128.7 128 19 FWD 19 32768 cc0a.7644.0004 128.7
R7(接入A):
VLAN2
Spanning tree enabled protocol ieee
Root ID Priority 8192
Address cc0b.7644.0001
Cost 38
Port 6 (FastEthernet0/5)
Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec
Bridge ID Priority 32768
Address cc00.8eec.0001
Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec
Aging Time 0
Interface Designated
Name Port ID Prio Cost Sts Cost Bridge ID Port ID
-------------------- ------- ---- ----- --- ----- -------------------- -------
FastEthernet0/5 128.6 128 19 FWD 19 32768 cc09.7644.0001 128.6
FastEthernet0/6 128.7 128 19 BLK 19 32768 cc0a.7644.0001 128.7
FastEthernet0/7 128.8 128 19 FWD 38 32768 cc00.8eec.0001 128.8
VLAN3
Spanning tree enabled protocol ieee
Root ID Priority 8192
Address cc0b.7644.0002
Cost 38
Port 6 (FastEthernet0/5)
Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec
Bridge ID Priority 32768
Address cc00.8eec.0002
Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec
Aging Time 0
Interface Designated
Name Port ID Prio Cost Sts Cost Bridge ID Port ID
-------------------- ------- ---- ----- --- ----- -------------------- -------
FastEthernet0/5 128.6 128 19 FWD 19 32768 cc09.7644.0002 128.6
FastEthernet0/6 128.7 128 19 BLK 19 32768 cc0a.7644.0002 128.7
VLAN4
Spanning tree enabled protocol ieee
Root ID Priority 8192
Address cc08.7644.0003
Cost 38
Port 6 (FastEthernet0/5)
Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec
Bridge ID Priority 32768
Address cc00.8eec.0003
Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec
Aging Time 0
Interface Designated
Name Port ID Prio Cost Sts Cost Bridge ID Port ID
-------------------- ------- ---- ----- --- ----- -------------------- -------
FastEthernet0/5 128.6 128 19 FWD 19 32768 cc09.7644.0003 128.6
FastEthernet0/6 128.7 128 19 BLK 19 32768 cc0a.7644.0003 128.7
FastEthernet0/8 128.9 128 19 FWD 38 32768 cc00.8eec.0003 128.9
VLAN5
Spanning tree enabled protocol ieee
Root ID Priority 8192
Address cc08.7644.0004
Cost 38
Port 6 (FastEthernet0/5)
Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec
Bridge ID Priority 32768
Address cc00.8eec.0004
Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec
Aging Time 0
Interface Designated
Name Port ID Prio Cost Sts Cost Bridge ID Port ID
-------------------- ------- ---- ----- --- ----- -------------------- -------
FastEthernet0/5 128.6 128 19 FWD 19 32768 cc09.7644.0004 128.6
FastEthernet0/6 128.7 128 19 BLK 19 32768 cc0a.7644.0004 128.7
R8(接入B):
VLAN2
Spanning tree enabled protocol ieee
Root ID Priority 8192
Address cc0b.7644.0001
Cost 38
Port 7 (FastEthernet0/6)
Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec
Bridge ID Priority 32768
Address cc01.8eec.0001
Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec
Aging Time 0
Interface Designated
Name Port ID Prio Cost Sts Cost Bridge ID Port ID
-------------------- ------- ---- ----- --- ----- -------------------- -------
FastEthernet0/5 128.6 128 19 BLK 19 32768 cc0a.7644.0001 128.6
FastEthernet0/6 128.7 128 19 FWD 19 32768 cc09.7644.0001 128.7
VLAN3
Spanning tree enabled protocol ieee
Root ID Priority 8192
Address cc0b.7644.0002
Cost 38
Port 7 (FastEthernet0/6)
Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec
Bridge ID Priority 32768
Address cc01.8eec.0002
Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec
Aging Time 0
Interface Designated
Name Port ID Prio Cost Sts Cost Bridge ID Port ID
-------------------- ------- ---- ----- --- ----- -------------------- -------
FastEthernet0/5 128.6 128 19 BLK 19 32768 cc0a.7644.0002 128.6
FastEthernet0/6 128.7 128 19 FWD 19 32768 cc09.7644.0002 128.7
FastEthernet0/7 128.8 128 19 FWD 38 32768 cc01.8eec.0002 128.8
VLAN4
Spanning tree enabled protocol ieee
Root ID Priority 8192
Address cc08.7644.0003
Cost 38
Port 7 (FastEthernet0/6)
Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec
Bridge ID Priority 32768
Address cc01.8eec.0003
Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec
Aging Time 0
Interface Designated
Name Port ID Prio Cost Sts Cost Bridge ID Port ID
-------------------- ------- ---- ----- --- ----- -------------------- -------
FastEthernet0/5 128.6 128 19 BLK 19 32768 cc0a.7644.0003 128.6
FastEthernet0/6 128.7 128 19 FWD 19 32768 cc09.7644.0003 128.7
VLAN5
Spanning tree enabled protocol ieee
Root ID Priority 8192
Address cc08.7644.0004
Cost 38
Port 7 (FastEthernet0/6)
Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec
Bridge ID Priority 32768
Address cc01.8eec.0004
Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec
Aging Time 0
Interface Designated
Name Port ID Prio Cost Sts Cost Bridge ID Port ID
-------------------- ------- ---- ----- --- ----- -------------------- -------
FastEthernet0/5 128.6 128 19 BLK 19 32768 cc0a.7644.0004 128.6
FastEthernet0/6 128.7 128 19 FWD 19 32768 cc09.7644.0004 128.7
FastEthernet0/8 128.9 128 19 FWD 38 32768 cc01.8eec.0004 128.9
问题:R3-R7的生成树都是正常的,,就是R8不对,在R8上van4 vlan5应该阻塞F0/6才对吧,,,,
大家要什么配置可以跟帖我帖上来!!!