HP 12500 Series Command Reference Manual page 55

that you can specify up to 10 instances or instance ranges. The instance-id argument is in the range
of 0 to 4094, and the value 0 represents the CIST.
Usage guidelines
In MSTP mode:
If you do not specify any MSTI or port, this command displays the BPDU statistics of all MSTIs
•
on all ports. The displayed information is sorted by port name and by MSTI ID on each port.
If you specify a port but not an MSTI, this command displays the BPDU statistics of all MSTIs
•
on the port. The displayed information is sorted by MSTI ID.
If you specify both an MSTI ID and a port, this command displays the BPDU statistics of the
•
specified MSTI on the port.
In STP or RSTP mode:
If you do not specify any port, this command displays the BPDU statistics of on all ports. The
•
displayed information is sorted by port name.
If you specify a port, this command displays the BPDU statistics on the port.
•
Examples
# In MSTP mode, display the BPDU statistics of all MSTIs on GigabitEthernet 3/0/1.
<Sysname> display stp bpdu-statistics interface GigabitEthernet 3/0/1
Port: GigabitEthernet3/0/1
Instance-Independent:
Type
--------------------------- ---------- -----------------
Invalid BPDUs
Looped-back BPDUs
MAX-aged BPDUs
TCN sent
TCN received
TCA sent
TCA received
Config sent
Config received
RST sent
RST received
MST sent
MST received
Instance 0:
Type
--------------------------- ---------- -----------------
Timeout BPDUs
MAX-hoped BPDUs
TC detected
TC sent
TC received
Count Last Updated
0
0
0
0
0
0
2 10:33:12 01/13/2011
0
0
0
0
4 10:33:11 01/13/2011
151 10:37:43 01/13/2011
Count Last Updated
0
0
1 10:32:40 01/13/2011
3 10:33:11 01/13/2011
0
50