3Com WX2200 3CRWX220095A Switch User Manual


 
Displaying Spanning Tree Information 363
Displaying Blocked
STP Ports
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 Wireless LAN
Switch and Controller Command Reference.)
Displaying Spanning
Tree Statistics
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