csw-astr0#sh spanning-tree summary Switch is in pvst mode Root bridge for: none Extended system ID is enabled Portfast Default is disabled PortFast BPDU Guard Default is disabled Portfast BPDU Filter Default is disabled Loopguard Default is disabled EtherChannel misconfig guard is enabled UplinkFast is disabled BackboneFast is disabled Configured Pathcost method used is short Name Blocking Listening Learning Forwarding STP Active ---------------------- -------- --------- -------- ---------- ---------- VLAN0001 0 0 0 15 15 VLAN0100 0 0 0 13 13 ---------------------- -------- --------- -------- ---------- ---------- 2 vlans 0 0 0 28 28 csw-astr0#show spanning-tree vlan 1 detail VLAN0001 is executing the ieee compatible Spanning Tree protocol Bridge Identifier has priority 32768, sysid 1, address 001f.266d.b080 Configured hello time 2, max age 20, forward delay 15 Current root has priority 32768, address 001e.5872.ed80 Root port is 7 (FastEthernet0/7), cost of root path is 360019 Topology change flag set, detected flag not set Number of topology changes 5583310 last change occurred 00:00:01 ago from FastEthernet0/24 Times: hold 1, topology change 35, notification 2 hello 2, max age 20, forward delay 15 Timers: hello 0, topology change 0, notification 0, aging 15 Port 3 (FastEthernet0/3) of VLAN0001 is forwarding Port path cost 19, Port priority 128, Port Identifier 128.3. Designated root has priority 32768, address 001e.5872.ed80 Designated bridge has priority 32769, address 001f.266d.b080 Designated port id is 128.3, designated path cost 360019 Timers: message age 0, forward delay 0, hold 0 Number of transitions to forwarding state: 1 The port is in the portfast mode Link type is point-to-point by default BPDU: sent 124312, received 0 Port 4 (FastEthernet0/4) of VLAN0001 is forwarding Port path cost 19, Port priority 128, Port Identifier 128.4. Designated root has priority 32768, address 001e.5872.ed80 Designated bridge has priority 32769, address 001f.266d.b080 Designated port id is 128.4, designated path cost 360019 Timers: message age 0, forward delay 0, hold 0 Number of transitions to forwarding state: 1 The port is in the portfast mode Link type is point-to-point by default BPDU: sent 124305, received 0 Port 5 (FastEthernet0/5) of VLAN0001 is forwarding Port path cost 19, Port priority 128, Port Identifier 128.5. Designated root has priority 32768, address 001e.5872.ed80 Designated bridge has priority 32769, address 001f.266d.b080 Designated port id is 128.5, designated path cost 360019 Timers: message age 0, forward delay 0, hold 0 Number of transitions to forwarding state: 1 The port is in the portfast mode Link type is point-to-point by default BPDU: sent 703360, received 0 Port 6 (FastEthernet0/6) of VLAN0001 is forwarding Port path cost 19, Port priority 128, Port Identifier 128.6. Designated root has priority 32768, address 001e.5872.ed80 Designated bridge has priority 32769, address 001f.266d.b080 Designated port id is 128.6, designated path cost 360019 Timers: message age 0, forward delay 0, hold 0 Number of transitions to forwarding state: 1 The port is in the portfast mode Link type is point-to-point by default BPDU: sent 441744, received 0 Port 7 (FastEthernet0/7) of VLAN0001 is forwarding Port path cost 19, Port priority 128, Port Identifier 128.7. Designated root has priority 32768, address 001e.5872.ed80 Designated bridge has priority 32768, address 001e.5872.ee50 Designated port id is 128.1, designated path cost 360000 Timers: message age 2, forward delay 0, hold 0 Number of transitions to forwarding state: 1 Link type is point-to-point by default BPDU: sent 1726027, received 1729418 Port 8 (FastEthernet0/8) of VLAN0001 is forwarding Port path cost 19, Port priority 128, Port Identifier 128.8. Designated root has priority 32768, address 001e.5872.ed80 Designated bridge has priority 32769, address 001f.266d.b080 Designated port id is 128.8, designated path cost 360019 Timers: message age 0, forward delay 0, hold 0 Number of transitions to forwarding state: 1 The port is in the portfast mode Link type is point-to-point by default BPDU: sent 627216, received 0 Port 9 (FastEthernet0/9) of VLAN0001 is forwarding Port path cost 19, Port priority 128, Port Identifier 128.9. Designated root has priority 32768, address 001e.5872.ed80 Designated bridge has priority 32769, address 001f.266d.b080 Designated port id is 128.9, designated path cost 360019 Timers: message age 0, forward delay 0, hold 0 Number of transitions to forwarding state: 1 The port is in the portfast mode Link type is point-to-point by default BPDU: sent 2959416, received 0 Port 15 (FastEthernet0/15) of VLAN0001 is forwarding Port path cost 19, Port priority 128, Port Identifier 128.15. Designated root has priority 32768, address 001e.5872.ed80 Designated bridge has priority 32769, address 001f.266d.b080 Designated port id is 128.15, designated path cost 360019 Timers: message age 0, forward delay 0, hold 0 Number of transitions to forwarding state: 1 The port is in the portfast mode Link type is point-to-point by default BPDU: sent 1312384, received 0 Port 17 (FastEthernet0/17) of VLAN0001 is forwarding Port path cost 19, Port priority 128, Port Identifier 128.17. Designated root has priority 32768, address 001e.5872.ed80 Designated bridge has priority 32769, address 001f.266d.b080 Designated port id is 128.17, designated path cost 360019 Timers: message age 0, forward delay 0, hold 0 Number of transitions to forwarding state: 1 The port is in the portfast mode Link type is point-to-point by default BPDU: sent 27681865, received 0 Port 18 (FastEthernet0/18) of VLAN0001 is forwarding Port path cost 100, Port priority 128, Port Identifier 128.18. Designated root has priority 32768, address 001e.5872.ed80 Designated bridge has priority 32769, address 001f.266d.b080 Designated port id is 128.18, designated path cost 360019 Timers: message age 0, forward delay 0, hold 0 Number of transitions to forwarding state: 1 The port is in the portfast mode Link type is shared by default BPDU: sent 43485228, received 0 Port 20 (FastEthernet0/20) of VLAN0001 is forwarding Port path cost 19, Port priority 128, Port Identifier 128.20. Designated root has priority 32768, address 001e.5872.ed80 Designated bridge has priority 32769, address 001f.266d.b080 Designated port id is 128.20, designated path cost 360019 Timers: message age 0, forward delay 0, hold 0 Number of transitions to forwarding state: 1 Link type is point-to-point by default BPDU: sent 43485226, received 0 Port 22 (FastEthernet0/22) of VLAN0001 is forwarding Port path cost 19, Port priority 128, Port Identifier 128.22. Designated root has priority 32768, address 001e.5872.ed80 Designated bridge has priority 32769, address 001f.266d.b080 Designated port id is 128.22, designated path cost 360019 Timers: message age 0, forward delay 0, hold 0 Number of transitions to forwarding state: 1 The port is in the portfast mode Link type is point-to-point by default BPDU: sent 43485228, received 0 Port 24 (FastEthernet0/24) of VLAN0001 is forwarding Port path cost 19, Port priority 128, Port Identifier 128.24. Designated root has priority 32768, address 001e.5872.ed80 Designated bridge has priority 32769, address 001f.266d.b080 Designated port id is 128.24, designated path cost 360019 Hello is pending, Topology change is set Timers: message age 0, forward delay 0, hold 0 Number of transitions to forwarding state: 1 Link type is point-to-point by default BPDU: sent 43300633, received 9927655 Port 25 (GigabitEthernet0/1) of VLAN0001 is forwarding Port path cost 4, Port priority 128, Port Identifier 128.25. Designated root has priority 32768, address 001e.5872.ed80 Designated bridge has priority 32769, address 001f.266d.b080 Designated port id is 128.25, designated path cost 360019 Timers: message age 0, forward delay 0, hold 0 Number of transitions to forwarding state: 1 Link type is point-to-point by default BPDU: sent 24648251, received 0 Port 26 (GigabitEthernet0/2) of VLAN0001 is forwarding Port path cost 4, Port priority 128, Port Identifier 128.26. Designated root has priority 32768, address 001e.5872.ed80 Designated bridge has priority 32769, address 001f.266d.b080 Designated port id is 128.26, designated path cost 360019 Timers: message age 0, forward delay 0, hold 0 Number of transitions to forwarding state: 1 Link type is point-to-point by default BPDU: sent 632870, received 13 csw-astr0# csw-astr0# csw-astr0# csw-astr0# csw-astr0# csw-astr0#show spanning-tree vlan 100 detail VLAN0100 is executing the ieee compatible Spanning Tree protocol Bridge Identifier has priority 32768, sysid 100, address 001f.266d.b080 Configured hello time 2, max age 20, forward delay 15 Current root has priority 32868, address 0007.ebad.4e80 Root port is 24 (FastEthernet0/24), cost of root path is 19 Topology change flag not set, detected flag not set Number of topology changes 34 last change occurred 1w0d ago from GigabitEthernet0/2 Times: hold 1, topology change 35, notification 2 hello 2, max age 20, forward delay 15 Timers: hello 0, topology change 0, notification 0, aging 600 Port 5 (FastEthernet0/5) of VLAN0100 is forwarding Port path cost 19, Port priority 128, Port Identifier 128.5. Designated root has priority 32868, address 0007.ebad.4e80 Designated bridge has priority 32868, address 001f.266d.b080 Designated port id is 128.5, designated path cost 19 Timers: message age 0, forward delay 0, hold 0 Number of transitions to forwarding state: 1 The port is in the portfast mode Link type is point-to-point by default BPDU: sent 350413, received 0 Port 6 (FastEthernet0/6) of VLAN0100 is forwarding Port path cost 19, Port priority 128, Port Identifier 128.6. Designated root has priority 32868, address 0007.ebad.4e80 Designated bridge has priority 32868, address 001f.266d.b080 Designated port id is 128.6, designated path cost 19 Timers: message age 0, forward delay 0, hold 0 Number of transitions to forwarding state: 1 The port is in the portfast mode Link type is point-to-point by default BPDU: sent 220079, received 0 Port 7 (FastEthernet0/7) of VLAN0100 is forwarding Port path cost 19, Port priority 128, Port Identifier 128.7. Designated root has priority 32868, address 0007.ebad.4e80 Designated bridge has priority 32868, address 001f.266d.b080 Designated port id is 128.7, designated path cost 19 Timers: message age 0, forward delay 0, hold 0 Number of transitions to forwarding state: 1 The port is in the portfast mode Link type is point-to-point by default BPDU: sent 1723048, received 0 Port 8 (FastEthernet0/8) of VLAN0100 is forwarding Port path cost 19, Port priority 128, Port Identifier 128.8. Designated root has priority 32868, address 0007.ebad.4e80 Designated bridge has priority 32868, address 001f.266d.b080 Designated port id is 128.8, designated path cost 19 Timers: message age 0, forward delay 0, hold 0 Number of transitions to forwarding state: 1 The port is in the portfast mode Link type is point-to-point by default BPDU: sent 312477, received 0 Port 9 (FastEthernet0/9) of VLAN0100 is forwarding Port path cost 19, Port priority 128, Port Identifier 128.9. Designated root has priority 32868, address 0007.ebad.4e80 Designated bridge has priority 32868, address 001f.266d.b080 Designated port id is 128.9, designated path cost 19 Timers: message age 0, forward delay 0, hold 0 Number of transitions to forwarding state: 1 The port is in the portfast mode Link type is point-to-point by default BPDU: sent 1474309, received 0 Port 15 (FastEthernet0/15) of VLAN0100 is forwarding Port path cost 19, Port priority 128, Port Identifier 128.15. Designated root has priority 32868, address 0007.ebad.4e80 Designated bridge has priority 32868, address 001f.266d.b080 Designated port id is 128.15, designated path cost 19 Timers: message age 0, forward delay 0, hold 0 Number of transitions to forwarding state: 1 The port is in the portfast mode Link type is point-to-point by default BPDU: sent 653788, received 0 Port 17 (FastEthernet0/17) of VLAN0100 is forwarding Port path cost 19, Port priority 128, Port Identifier 128.17. Designated root has priority 32868, address 0007.ebad.4e80 Designated bridge has priority 32868, address 001f.266d.b080 Designated port id is 128.17, designated path cost 19 Timers: message age 0, forward delay 0, hold 0 Number of transitions to forwarding state: 1 The port is in the portfast mode Link type is point-to-point by default BPDU: sent 13799973, received 0 Port 18 (FastEthernet0/18) of VLAN0100 is forwarding Port path cost 100, Port priority 128, Port Identifier 128.18. Designated root has priority 32868, address 0007.ebad.4e80 Designated bridge has priority 32868, address 001f.266d.b080 Designated port id is 128.18, designated path cost 19 Timers: message age 0, forward delay 0, hold 0 Number of transitions to forwarding state: 1 The port is in the portfast mode Link type is shared by default BPDU: sent 21682745, received 0 Port 20 (FastEthernet0/20) of VLAN0100 is forwarding Port path cost 19, Port priority 128, Port Identifier 128.20. Designated root has priority 32868, address 0007.ebad.4e80 Designated bridge has priority 32868, address 001f.266d.b080 Designated port id is 128.20, designated path cost 19 Timers: message age 0, forward delay 0, hold 0 Number of transitions to forwarding state: 1 Link type is point-to-point by default BPDU: sent 21682744, received 0 Port 22 (FastEthernet0/22) of VLAN0100 is forwarding Port path cost 19, Port priority 128, Port Identifier 128.22. Designated root has priority 32868, address 0007.ebad.4e80 Designated bridge has priority 32868, address 001f.266d.b080 Designated port id is 128.22, designated path cost 19 Timers: message age 0, forward delay 0, hold 0 Number of transitions to forwarding state: 1 The port is in the portfast mode Link type is point-to-point by default BPDU: sent 21682745, received 0 Port 24 (FastEthernet0/24) of VLAN0100 is forwarding Port path cost 19, Port priority 128, Port Identifier 128.24. Designated root has priority 32868, address 0007.ebad.4e80 Designated bridge has priority 32868, address 0007.ebad.4e80 Designated port id is 128.24, designated path cost 0 Timers: message age 1, forward delay 0, hold 0 Number of transitions to forwarding state: 1 Link type is point-to-point by default BPDU: sent 28, received 21682656 Port 25 (GigabitEthernet0/1) of VLAN0100 is forwarding Port path cost 4, Port priority 128, Port Identifier 128.25. Designated root has priority 32868, address 0007.ebad.4e80 Designated bridge has priority 32868, address 001f.266d.b080 Designated port id is 128.25, designated path cost 19 Timers: message age 0, forward delay 0, hold 0 Number of transitions to forwarding state: 1 Link type is point-to-point by default BPDU: sent 12286816, received 0 Port 26 (GigabitEthernet0/2) of VLAN0100 is forwarding Port path cost 4, Port priority 128, Port Identifier 128.26. Designated root has priority 32868, address 0007.ebad.4e80 Designated bridge has priority 32868, address 001f.266d.b080 Designated port id is 128.26, designated path cost 19 Timers: message age 0, forward delay 0, hold 0 Number of transitions to forwarding state: 1 Link type is point-to-point by default BPDU: sent 315295, received 2