3Com S7906E Command Reference Manual page 415

The number of TCN BPDUs, configuration BPDUs, RST BPDUs and MST BPDUs sent from each
port
The number of TCN BPDUs, configuration BPDUs, RST BPDUs, MST BPDUs and wrong BPDUs
received on each port
The number of BPDUs discarded on each port
Related commands: reset stp.
Examples
# View the brief MSTP status information and statistics information.
<Sysname> display stp instance 0 interface GigabitEthernet 2/0/1 to GigabitEthernet 2/0/4
brief
MSTID Port
0 GigabitEthernet2/0/1
0 GigabitEthernet2/0/2
0 GigabitEthernet2/0/3
0 GigabitEthernet2/0/4
Table 1-2 display stp command output description
Field
MSTID
Port
Role
STP State
Protection
# View the detailed MSTP status information and statistics information.
<Sysname> display stp instance 0 interface GigabitEthernet 2/0/2
----[CIST][Port198(GigabitEthernet2/0/2)][DOWN]----
Port Protocol
Port Role
Port Priority
Port Cost(Legacy)
Desg. Bridge/Port
Port Edged
Point-to-point
Transmit Limit
Protection Type
MST BPDU Format
Port Config-
Digest-Snooping
Num of Vlans Mapped :0
PortTimes
BPDU Sent
TCN: 0, Config: 0, RST: 0, MST: 0
Role
DESI
DESI
DESI
DESI
MSTI ID in the MST region
Port name, corresponding to each MSTI
Port role
MSTP status on the port, including forwarding, discarding, and learning
Protection type on the port, including root guard, loop guard, and
BPDU guard
:enabled
:CIST Disabled Port
:128
:Config=auto / Active=200000
:32768.000f-e25d-f8ad / 128.198
:Config=disabled / Active=disabled
:Config=auto / Active=false
:10 packets/hello-time
:None
:Config=auto / Active=legacy
:disabled
:Hello 2s MaxAge 20s FwDly 15s MsgAge 0s RemHop 20
:0
1-4
STP State Protection
FORWARDING NONE
FORWARDING NONE
FORWARDING NONE
FORWARDING NONE
Description