HP ProCurve Series 3400cl Release Notes page 100

Enhancements
Release M.10.10 Enhancements
The show spanning-tree command has also been extended to display BPDU filtered ports.
ProCurve# show spanning-tree
Multiple Spanning Tree (MST) Information
STP Enabled : Yes
Force Version : MSTP-operation
IST Mapped VLANs : 1-7
...
Protected Ports :
Filtered Ports
....
Figure 24. Example of BPDU Filtered Ports Field in Show Spanning Tree Command
Viewing Configuration of BPDU Filtering
The BPDU filter mode adds an entry to the spanning tree category within the configuration file.
ProCurve(config)# show configuration
. . .
spanning-tree
spanning-tree A7 bpdu-filter
spanning-tree C9 bpdu-filter
spanning-tree Trk2 priority 4
. . .
Figure 25. Example of BPDU Filters in the Show Configuration Command
The spanning-tree show < port> configuration command displays the BPDU's filter state.
ProCurve(config)# show spanning-tree a8 config
...
Port Type | Cost
---- --------- + --------- -------- ---- -------------- ------ ------
A8 100/1000T | Auto
Figure 26. Example of BPDU Filter Status in Show Spanning Tree Configuration Command
90
: A6-A7
Priority Edge Point-to-Point MCheck Filter
128
Row showing ports with BPDU filters enabled
Rows showing ports with BPDU filters enabled
Column showing BPDU filter status
Yes Force-True
BPDU
Yes No