Cisco Catalyst 3750-X Command Reference Manual page 834

Cisco ios release 15.2(1)e and later

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show spanning-tree

This is an example of output from the show spanning-tree interface interface-id command:

Switch# show spanning-tree interface gigabitethernet2/0/1

---------------- ---- --- --------- -------- --------------------------------

Switch# show spanning-tree summary

Switch is in pvst mode

Root bridge for: none

EtherChannel misconfiguration guard is enabled

Extended system ID

PortFast BPDU Guard

Portfast BPDU Filter is disabled by default

BackboneFast

Pathcost method used is short

---------------------- -------- --------- -------- ---------- ----------

---------------------- -------- --------- -------- ---------- ----------

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)

Catalyst 3750-X and 3560-X Switch Command Reference

Role Sts Cost

Prio.Nbr Type

Root FWD 3019

is disabled by default

Blocking Listening Learning Forwarding STP Active

Chapter 2 Catalyst 3750-X and 3560-X Switch Cisco IOS Commands

Catalyst 3560-x