Brocade Multi-Service IronWare Switching Configuration Guide (Supporting R05.6.00) - Manual (Page 357)

Multi-Service IronWare Switching Configuration Guide 327
53-1003036-02
IEEE 802.1D Spanning Tree Protocol (STP)
12
protect Show STP BPDU Guard information
Brocader# show span protect
Port Disable Port on BPDU Rx Current Port State
1/1 No down
1/2 Yes down
1/3 No up
1/4 Yes up
Syntax: show spanning-tree protect
The command shows the following information.
Determining if BPDU Guard is enabled
The show interface command displays the state of a port.
If BPDU Guard is disabled or has not been configured, the output shows the following information.
Brocade#show interface ethernet 1/4
10GigabitEthernet1/4 is up, line protocol is up
STP Root Guard is disabled, STP BPDU Guard is disabled
If BPDU Guard has been enabled using the spanning-tree protect command, the output shows the
following.
Brocade#show interface ethernet 1/4
10GigabitEthernet1/4 is up, line protocol is up
STP Root Guard is disabled, STP BPDU Guard is enabled
If BPDU Guard is enabled using the spanning-tree protect do-disable command, the output shows.
Brocade#show interface ethernet 1/4
10GigabitEthernet1/4 is up, line protocol is up
STP Root Guard is disabled, STP BPDU Guard is enabled with port to be disabled
on BPDU receive
Syntax: show interface ethernet slot/port
Checking for Syslog messages
When the spanning-tree protect do-disable command is issued, the port becomes disabled and the
following Syslog messages are generated.
Sep 9 18::39:27:I:STP: BPDU Guard port 1/4 disable
Sep 9 18::39:27:I:System: Interface ethernet 1/4, state down - disabled
TABLE 52 CLI display of show spanning-tree bp
This field... Displays...
Port The port on which BPDU Guard is configured
Disable Port on BPDU Rx Indicates if spanning-tree protect do-disable is configured on the port:
•
Yes - spanning-tree protect do-disable is configured on the port. The BPDU
will be dropped and the port will be disabled when it receives a BPDU.
•
No - spanning-tree protect do-disable is not configured. The BPDU will be
dropped but the port will not be disabled.
Current Port State Indicates if the port is currently UP or DOWN.