Cisco Catalyst 3560-X Command Reference Manual page 782

show spanning-tree
Catalyst 3750-X and 3560-X Switch Command Reference
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Port 1 (GigabitEthernet2/0/1) of VLAN0001 is forwarding
Port path cost 3019, Port priority 128, Port Identifier 128.24.
Designated root has priority 32768, address 0001.42e2.cdd0
Designated bridge has priority 32768, address 00d0.bbf5.c680
Designated port id is 128.25, designated path cost 19
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 0, received 72364
<output truncated>
This is an example of output from the show spanning-tree interface interface-id command:
Switch# show spanning-tree interface gigabitethernet2/0/1
Vlan Role Sts Cost
---------------- ---- --- --------- -------- --------------------------------
VLAN0001 Root FWD 3019
Switch# show spanning-tree summary
Switch is in pvst mode
Root bridge for: none
EtherChannel misconfiguration guard is enabled
Extended system ID is enabled
Portfast is disabled by default
PortFast BPDU Guard is disabled by default
Portfast BPDU Filter is disabled by default
Loopguard is disabled by default
UplinkFast is enabled
BackboneFast is enabled
Pathcost method used is short
Name Blocking Listening Learning Forwarding STP Active
---------------------- -------- --------- -------- ---------- ----------
VLAN0001
VLAN0002
VLAN0004
VLAN0006
VLAN0031
VLAN0032
<output truncated>
---------------------- -------- --------- -------- ---------- ----------
37 vlans
Station update rate set to 150 packets/sec.
UplinkFast statistics
-----------------------
Number of transitions via uplinkFast (all VLANs)
Number of proxy multicast addresses transmitted (all VLANs) : 0
BackboneFast statistics
-----------------------
Number of transition via backboneFast (all VLANs)
Number of inferior BPDUs received (all VLANs)
Number of RLQ request PDUs received (all VLANs)
Number of RLQ response PDUs received (all VLANs)
Number of RLQ request PDUs sent (all VLANs)
Number of RLQ response PDUs sent (all VLANs)
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Chapter 2 Catalyst 3750-X and 3560-X Cisco IOS Commands
Prio.Nbr Type
128.24 P2p
1 0 0
3 0 0
3 0 0
3 0 0
3 0 0
3 0 0
109 0 0
11 12
1 4
1 4
1 4
1 4
1 4
47 156
: 0
: 0
: 0
: 0
: 0
: 0
: 0
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