Allied Telesis SwitchBlade x3100 Series Manual page 414

Introduction
TABLE 4-15
Step Command
SHOW STP
4
--- STP Information ------------------------------------------------------
Spanning Tree Type...................... RSTP
Instance Name......................... MAIN (0)
Instance State........................ ENABLED
Root Bridge ID Priority................. 32768
(output omitted)
Int
----- ---------- ---------- ---------- ----------- ---------------------
0.0 ROOT
0.22 ALTERNATE
0.23 DESIGNATED FORWARDING
1.2 DESIGNATED FORWARDING
1.3 DESIGNATED FORWARDING
SHOW STP INTERFACE=0.23 FULL
------------- STP Information for Port 0.23 -----------------------------
Spanning Tree Instance Name........... MAIN (0)
Port ID............................... 33112
Role................................ DESIGNATED
State............................... FORWARDING
Priority............................ 128
Pathcost............................ 200000
(output omitted)
BPDU Cop.............................. ON
timeout............................. 10
If a loop occurs, BPDU Cop disables the interface, sends a SYSLOG, and raises an alarm.
SHOW INTERFACE=0.23
5
--- GE Interfaces ---
Interface.......................... 0.23
Type............................... GE
State.............................. UP-DN-AutoDisabled
Description........................ <none>
Remote ID.......................... <none>
External Profile................... <none>
Card Type.......................... GE24SFP
Interface Faults
Unexpected BPDU Received........ Major
(output omitted)
4-94
Software Reference for SwitchBlade x3100 Series Switches (Layer Two Switching)
Configuration Procedure for BPDU Cop
Role State
FORWARDING
DISCARDING
Description (Optional)
Cost Prio.Number
20000 128.321
20000 128.343
200000 128.344
2000 128.387
2000 128.388
Configuring BPDU Cop
Type
RSTP
RSTP
RSTP
RSTP
RSTP