Enabling Layer 3 Error Control; Displaying And Maintaining System Guard Configuration - H3C S3100-52P Operation Manual

Operation Manual – 802.1x and System Guard
H3C S3100-52P Ethernet switch
Enable System Guard
against TCN attacks
Set the threshold of
TCN/TC packet receiving
rate
Note:
As the system monitoring cycle is 10 seconds, the system sends trap and log
information if more than 10 TCN/TC packets are received within 10 seconds by default.
If the TCN/TC packet receiving rate is lower than the set threshold within a 10-second
monitoring cycle, the system will not send trap or log information in the next 10-second
monitoring cycle.

4.2.3 Enabling Layer 3 Error Control

Follow these steps to enable Layer 3 error control:
Enter system view
Enable Layer 3 error
control

4.3 Displaying and Maintaining System Guard Configuration

Display the monitoring
result and parameter
settings of System Guard
against IP attacks
Display the information
about IP packets received
by the CPU
Display the status of
Layer 3 error control
Display the status of TCN
To do...
system-guard tcn
enable
system-guard tcn
rate-threshold
rate-threshold
To do...
system-view
system-guard l3err
enable
To do...
display system-guard ip
state
display system-guard
ip-record
display system-guard
l3err state
display system-guard
tcn state
Chapter 4 System Guard Configuration
Use the command...
Use the command...
Use the command...
4-3
Remarks
Required
Disabled by default
Optional
1 pps by default
Remarks
—
Required
Enabled by default
Remarks
Available in any view