* * *cat1 pvst* *cat2,3,4 rapid-pvst* *VLAN 240 port topology to cat1*
*cat2* Fa0/23 Root FWD 19 128.25 P2p Fa0/24 Altn BLK 19 128.26 P2p *cat3* Gi1/0/21 Desg FWD 19 128.21 P2p Gi1/0/22 Back BLK 19 128.22 P2p *cat4* Po14 Altn BLK 100 128.616 P2p On 23 September 2012 01:40, Tony Singh <[email protected]> wrote: > > Need help please > > For some reason that I can't figure out my cat1 switch doesn't seem to > show me an instance of spanning tree for vlan 240, any ideas why? > > *Cat1-Rapid#show vlan brief * > > VLAN Name Status Ports > ---- -------------------------------- --------- > ------------------------------- > 1 default active Fa0/3, Fa0/6, Fa0/7, Fa0/8 > Fa0/9, Fa0/10, Fa0/12, > Fa0/13 > Gi0/1, Gi0/2 > 12 VLANB active Fa0/1, Fa0/2 > 40 VLANC active Fa0/4, Fa0/14, Fa0/15, > Fa0/16 > Fa0/17, Fa0/18 > 100 VLANA active Fa0/11 > 200 VLANE active > *240 VLAN0240 active * > 300 VLANF active > 567 VLAND active Fa0/5 > 1002 fddi-default act/unsup > 1003 token-ring-default act/unsup > 1004 fddinet-default act/unsup > 1005 trnet-default act/unsup > 2200 VLAN2200 active > 2300 VLAN2300 active > 2567 VLAN2567 active > > *Cat1-Rapid#show spanning-tree vlan 240* > > Spanning tree instance(s) for vlan 240 does not exist. > * > * > * > * > * > * > *f/023 & 24 to cat1......* > * > * > * > * > * > Port 25 (FastEthernet0/23) of VLAN0240 is root forwarding > Port path cost 19, Port priority 128, Port Identifier 128.25. > Designated root has priority 24816, address 30e4.db1d.1c80 > Designated bridge has priority 24816, address 30e4.db1d.1c80 > Designated port id is 128.21, designated path cost 0 > Timers: message age 15, forward delay 0, hold 0 > Number of transitions to forwarding state: 17 > Link type is point-to-point by default > BPDU: sent 277, received 836 > > Port 26 (FastEthernet0/24) of VLAN0240 is alternate blocking > Port path cost 19, Port priority 128, Port Identifier 128.26. > Designated root has priority 24816, address 30e4.db1d.1c80 > Designated bridge has priority 24816, address 30e4.db1d.1c80 > Designated port id is 128.21, designated path cost 0 > Timers: message age 15, forward delay 0, hold 0 > Number of transitions to forwarding state: 12 > Link type is point-to-point by default > BPDU: sent 41, received 1069 > > > > * > > > *Cat2-Rapid#show vlan brief * > > VLAN Name Status Ports > ---- -------------------------------- --------- > ------------------------------- > 1 default active Fa0/2, Fa0/3, Fa0/4, Fa0/5 > Fa0/10, Fa0/11, Gi0/1, > Gi0/2 > 12 VLANB active > 40 VLANC active Fa0/14, Fa0/15, Fa0/16, > Fa0/17 > Fa0/18 > 100 VLANA active Fa0/1 > 200 VLANE active Fa0/8, Fa0/12 > *240 VLAN0240 active * > 300 VLANF active Fa0/9, Fa0/13 > 567 VLAND active Fa0/6, Fa0/7 > 1002 fddi-default act/unsup > 1003 token-ring-default act/unsup > 1004 fddinet-default act/unsup > 1005 trnet-default act/unsup > 2200 VLAN2200 active > 2300 VLAN2300 active > 2567 VLAN2567 active > > *Cat2-Rapid#show spanning-tree vlan 240* > > VLAN0240 > Spanning tree enabled protocol rstp > Root ID Priority 24816 > Address 30e4.db1d.1c80 > Cost 19 > Port 25 (FastEthernet0/23) > Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec > > Bridge ID Priority 33008 (priority 32768 sys-id-ext 240) > Address 0016.c8bc.1100 > Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec > Aging Time 300 > > Interface Role Sts Cost Prio.Nbr Type > ------------------- ---- --- --------- -------- > -------------------------------- > Fa0/21 Altn BLK 19 128.23 P2p > Fa0/22 Altn BLK 19 128.24 P2p > Fa0/23 Root FWD 19 128.25 P2p > Fa0/24 Altn BLK 19 128.26 P2p > Po23 Altn BLK 100 128.232 P2p > > *Cat3-Rapid#show vlan brief * > > VLAN Name Status Ports > ---- -------------------------------- --------- > ------------------------------- > 1 default active Gi1/0/1, Gi1/0/2, Gi1/0/3 > Gi1/0/6, Gi1/0/7, Gi1/0/8 > Gi1/0/9 > 12 VLAN0012 active > 40 VLAN0040 active > 100 VLAN0100 active > 200 VLAN0200 active > *240 VLAN0240 active Gi1/0/4* > 300 VLAN0300 active > 567 VLAN0567 active > 1002 fddi-default act/unsup > 1003 token-ring-default act/unsup > 1004 fddinet-default act/unsup > 1005 trnet-default act/unsup > 2200 VLAN2200 active > 2300 VLAN2300 active > 2567 VLAN2567 active > 2600 VLAN2600 active > 2601 VLAN2601 active > 2602 VLAN2602 active > > > *Cat3-Rapid#show spanning-tree vlan 240* > > VLAN0240 > Spanning tree enabled protocol rstp > Root ID Priority 24816 > Address 30e4.db1d.1c80 > This bridge is the root > Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec > > Bridge ID Priority 24816 (priority 24576 sys-id-ext 240) > Address 30e4.db1d.1c80 > Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec > Aging Time 300 sec > > Interface Role Sts Cost Prio.Nbr Type > ------------------- ---- --- --------- -------- > -------------------------------- > Gi1/0/4 Desg FWD 19 128.4 P2p > *Gi1/0/21 Desg FWD 19 128.21 P2p **<<<<to cat1* > *Gi1/0/22 Back BLK 19 128.22 P2p **<<<<to cat1* > Gi1/0/23 Desg FWD 19 128.23 P2p > Gi1/0/24 Desg FWD 19 128.24 P2p > Po23 Desg FWD 100 128.688 P2p > > > *Cat4-Rapid#show vlan brief * > > VLAN Name Status Ports > ---- -------------------------------- --------- > ------------------------------- > 1 default active > 12 VLAN0012 active > 40 VLAN0040 active > 100 VLAN0100 active > 200 VLAN0200 active > *240 VLAN0240 active * > 300 VLAN0300 active > 500 VLAN0500 active Gi1/0/1, Gi1/0/2, Gi1/0/3 > Gi1/0/4, Gi1/0/5 > 567 VLAN0567 active > 1002 fddi-default act/unsup > 1003 token-ring-default act/unsup > 1004 fddinet-default act/unsup > 1005 trnet-default act/unsup > 1500 VLAN1500 active Gi1/0/1, Gi1/0/2, Gi1/0/3 > Gi1/0/4, Gi1/0/5 > 2200 VLAN2200 active Gi1/0/8 > 2300 VLAN2300 active Gi1/0/9 > 2567 VLAN2567 active > 2600 VLAN2600 active > 2601 VLAN2601 active > > VLAN Name Status Ports > ---- -------------------------------- --------- > ------------------------------- > 2602 VLAN2602 active > * > * > *Cat4-Rapid#show spanning-tree vlan 240* > > VLAN0240 > Spanning tree enabled protocol rstp > Root ID Priority 24816 > Address 30e4.db1d.1c80 > Cost 19 > Port 23 (GigabitEthernet1/0/23) > Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec > > Bridge ID Priority 28912 (priority 28672 sys-id-ext 240) > Address 30e4.db1a.0300 > Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec > Aging Time 300 sec > > Interface Role Sts Cost Prio.Nbr Type > ------------------- ---- --- --------- -------- > -------------------------------- > Gi1/0/21 Desg FWD 19 128.21 P2p > Gi1/0/22 Desg FWD 19 128.22 P2p > Gi1/0/23 Root FWD 19 128.23 P2p > Gi1/0/24 Altn BLK 19 128.24 P2p > *Po14 Altn BLK 100 128.616 P2p <<<<to cat1* > > > > cat 3 is root bridge for this vlan, but it seems cat1 is just passing the > bpdu's through its ports 23 & 24 to cat2 from above output and has not > instance of vlan 240 itself > > vtp in transparent on all bridges > > please help > > Tony > _______________________________________________ For more information regarding industry leading CCIE Lab training, please visit www.ipexpert.com Are you a CCNP or CCIE and looking for a job? 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