Display Stp Abnormal-Port - H3C S7500E Series Command Manual

Command Manual – MSTP
H3C S7500E Series Ethernet Switches
0
(*) means port in aggregation group
Table 1-2 Description on the fields of the display stp command
MSTID
Port
Role
STP State
Protection
(*) means port in aggregation group

1.1.4 display stp abnormal-port

Syntax
display stp abnormal-port
View
Any view
Parameters
None
Description
Use the display stp abnormal-port command to view the information about
abnormally blocked ports.
Any of the following reasons may cause a port to be abnormally blocked:
Root guard action
Loop guard action
MSTP BPDU format compatibility protection action
Examples
# View information about abnormally blocked ports.
<Sysname> display stp abnormal-port
MSTID
1 GigabitEthernet2/0/1
GigabitEthernet2/0/4*
Field
Blocked Port
Chapter 1 MSTP Configuration Commands
DESI FORWARDING
Description
spanning tree instance ID in the MST region
Port name, corresponding to each spanning
tree instance
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
* indicates a port in an aggregation group
Reason
ROOT-Protected
1-5
NONE