The ipv6 filter-policy import command configures IS-IS to filter the received IPv6 routes to be added to the IPv6 routing table.
The undo ipv6 filter-policy import command removes the configuration.
By default, the filtering function is disabled.
ipv6 filter-policy { acl6-number | ipv6-prefix ipv6-prefix-name | route-policy route-policy-name } import
undo ipv6 filter-policy [ acl6-number | ipv6-prefix ipv6-prefix-name | route-policy route-policy-name ] import
| Parameter | Description | Value |
|---|---|---|
| acl6-number | Indicates the number of the basic ACL6. | It is an integer ranging from 2000 to 2999. |
| ipv6-prefix ipv6-prefix-name | Specifies the name of the IPv6 prefix-list. | The name is a string of 1 to 169 case-sensitive characters, with spaces not supported. When double quotation marks are used around the string, spaces are allowed in the string. |
| route-policy route-policy-name | Specifies the name of the routing policy that is used to filter the routes based on tag and other protocol parameters. | The name is a string of 1 to 40 case-sensitive characters, with spaces not supported. When double quotation marks are used around the string, spaces are allowed in the string. |
Usage Scenario
This command is valid only for an IPv6 base topology.
The ipv6 filter-policy import command can take effect only after IPv6 is enabled for the IS-IS process by the ipv6 enable command.
Precautions
Creating an ACL6 or IPv6 prefix list before it is referenced is recommended. If a nonexistent ACL6 or IPv6 prefix list is referenced using the command, all IPv6 routes received by IS-IS are delivered to the IPv6 routing table.
Creating a route-policy before it is referenced is recommended. By default, nonexistent route-policies cannot be referenced using the command. If the route-policy nonexistent-config-check disable command is run in the system view and a nonexistent route-policy is referenced using the current command, all IPv6 routes received by IS-IS are delivered to the IPv6 routing table.