H3C S7500E Series Command Manual

Command Manual – MSTP
H3C S7500E Series Ethernet Switches Chapter 1 MSTP Configuration Commands
1-6
2 GigabitEthernet2/0/2 LOOP-Protected
2 GigabitEthernet2/0/3 Formatcompatibility–Protected
Table 1-3 Description on the fields of the display stp abnormal-port command
Field Description
MSTID spanning tree instance ID
Blocked Port
Name of blocked port, which corresponds to the related
spanning tree instance
Reason
Reason that caused abnormal blocking of the port.
z ROOT-Protected: root guard action
z LOOP-Protected: loop guard action
z Formatcompatibility-Protected: MSTP BPDU format
compatibility protection action
1.1.5 display stp down-port
Syntax
display stp down-port
View
Any view
Parameters
None
Description
Use the display stp down-port command to view the information about ports blocked
by STP protection actions.
These actions include:
z BPDU attack guard action
z MSTP BPDU format compatibility protection action
Examples
# View the information about ports blocked by STP protection actions.
<Sysname> display stp down-port
Down Port Reason
GigabitEthernet2/0/1 BPDU-Protected
GigabitEthernet2/0/2 Formatfrequency-Protected

H3C S7500E Series Specifications

General

Brand	H3C
Model	S7500E Series
Category	Switch
Language	English