3com WXR100 3CRWXR10095A User Manual

To display information about ports that are in the STP blocking state, use 
the following command:

display spantree blockedports [vlan vlan-id]

To display information about blocked ports on a WX switch for the 
default VLAN (VLAN 1), type the following command:

WX1200# display spantree blockedports vlan default
Port

Vlan

STP-State Cost

Prio 

Portfast

------------------------------------------------------------------------
2

190

Blocking

4

128

Disabled

Number of blocked ports (segments) in VLAN 1 : 1

(For information about the fields in the output, see the 

.)

To display STP statistics, use the following command:

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

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

WX1200# display 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