Configuring IS-IS route leaking
Perform this task to control route advertisement (route leaking) between Level-1 and Level-2.
You can configure IS-IS to advertise routes from Level-2 to Level-1, and to not advertise routes from Level-1 to Level-2.
To configure IS-IS route leaking:
Step | Command | Remarks |
|---|---|---|
1. Enter system view. | system-view | N/A |
2. Enter IS-IS view. | isis [ process-id ] [ vpn-instance vpn-instance-name ] | N/A |
3. Configure route leaking from Level-1 to Level-2. | import-route isis level-1 into level-2 [ filter-policy { acl-number | prefix-list prefix-list-name | route-policy route-policy-name } | tag tag ] * | By default, IS-IS advertises routes from Level-1 to Level-2. |
4. Configure route leaking from Level-2 to Level-1. | import-route isis level-2 into level-1 [ filter-policy { acl-number | prefix-list prefix-list-name | route-policy route-policy-name } | tag tag ] * | By default, IS-IS does not advertise routes from Level-2 to Level-1. |