Configuring Whitelist Session-CAR for OSPF

You can configure whitelist session-CAR for OSPF to isolate bandwidth resources by session for OSPF packets. This configuration prevents bandwidth preemption among OSPF sessions in the case of a traffic burst.

Context

When OSPF packets suffer a traffic burst, bandwidth may be preempted among OSPF sessions. To resolve this problem, you can configure whitelist session-CAR for OSPF to isolate bandwidth resources by session. If the default parameters of whitelist session-CAR for OSPF do not meet service requirements, you can adjust them as required.

Procedure

Run system-view
The system view is displayed.
Run whitelist session-car ospf { cir cir-value | cbs cbs-value | pir pir-value | pbs pbs-value } ^*
Parameters of whitelist session-CAR for OSPF are configured.

In normal cases, you are advised to use the default values of these parameters.
(Optional) Run whitelist session-car ospf disable
Whitelist session-CAR for OSPF is disabled.

By default, whitelist session-CAR for OSPF is enabled. In normal cases, you are advised to keep this function enabled. Disable it if it becomes abnormal or adversely affects other services.
Run commit
The configuration is committed.

Verifying the Configuration

After configuring whitelist session-CAR for OSPF, verify the configuration.

Run the display cpu-defend whitelist session-car ospf statistics slot slot-id command to check statistics about whitelist session-CAR for OSPF on a specified interface board.