330Configuring and Managing Spanning Tree Protocol

Displaying Spanning Tree Statistics

To display STP statistics, use the following command:

show spantree statistics [port-list[vlan vlan-id]]

To display STP statistics for port 1, type the following command:

23x0# show spantree statistics 1 BPDU related parameters

Port 1

VLAN 1

 

 

 

spanning tree enabled for VLAN = 1

 

 

 

port spanning tree

 

enabled

state

 

Forwarding

port_id

 

0x8015

 

port_number

 

0x15

 

path cost

 

0x4

 

message age (port/VLAN)

 

0(20)

 

designated_root

 

00-0b-0e-00-04-30

designated cost

 

0x0

 

designated_bridge

 

00-0b-0e-00-04-30

designated_port

 

38

 

 

top_change_ack

 

FALSE

 

config_pending

 

FALSE

 

port_inconsistency

 

none

 

Port based information statistics

 

config BPDU's xmitted(port/VLAN)

0

(1)

 

config BPDU's received(port/VLAN)

21825

(43649)

tcn BPDU's xmitted(port/VLAN)

0

(0)

 

tcn BPDU's received(port/VLAN)

2

(2)

 

forward transition count (port/VLAN)

1

(1)

 

scp failure count

 

0

 

 

root inc trans count (port/VLAN)

1

(1)

 

inhibit loopguard

 

FALSE

 

loop inc trans count

 

0

(0)

 

Status of Port Timers

 

 

 

forward delay timer

 

INACTIVE

forward delay timer value

 

15

 

 

message age timer

 

ACTIVE

 

message age timer value

 

0

 

 

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Nortel Networks 2300 manual Displaying Spanning Tree Statistics, Show spantree statistics port-listvlan vlan-id