Configuring received OSPF route filtering
Perform this task to filter routes calculated using received LSAs.
The following filtering methods are available:
Use an ACL or IP prefix list to filter routing information by destination address.
Use the gateway keyword to filter routing information by next hop.
Use an ACL or IP prefix list to filter routing information by destination address. At the same time use the gateway keyword to filter routing information by next hop.
Use a routing policy to filter routing information.
To configure OSPF to filter routes calculated using received LSAs:
Step | Command | Remarks |
|---|---|---|
1. Enter system view. | system-view | N/A |
2. Enter OSPF view. | ospf [ process-id | router-id router-id | vpn-instance vpn-instance-name ] * | N/A |
3. Configure OSPF to filter routes calculated using received LSAs. | filter-policy { ipv4-acl-number [ gateway prefix-list-name ] | gateway prefix-list-name | prefix-list prefix-list-name [ gateway prefix-list-name ] | route-policy route-policy-name } import | By default, OSPF accepts all routes calculated using received LSAs. |