3Com MSR 50 Import-route isis level-2 into level-1, Undo import-route isis level-2 into level-1

1061

n Using the import-route bgp command redistributes only EBGP routes. Using the import-route bgp allow-ibgp command redistributes also IBGP routes, but this may cause routing loops. Be cautious with this command.

Examples # Redistribute static routes and set the cost to 15.

<Sysname> system-view

[Sysname] isis

[Sysname-isis-1] import-route static cost 15

import-route isis level-2 into level-1

Syntax import-route isis level-2 into level-1[ filter-policy{ acl-number ip-prefixip-prefix-name route-policyroute-policy-name } tag tag ] *

undo import-route isis level-2 into level-1

View IS-IS view

Parameters acl-number: Specifies the number of an ACL that is used to filter redistributed routes, ranging from 2000 to 3999.

ip-prefixip-prefix-name: Specifies the name of an IP prefix list that is used to filter redistributed routes, a string of 1 to 19 characters.

route-policyroute-policy-name: Specifies the name of a routing policy that is used to filter redistributed routes, a string of 1 to 19 characters.

tag tag: Specifies a tag value from 1 to 4294967295 for redistributed routes.

Description Use the import-route isis level-2 into level-1command to redistribute routes from Level-2 to Level-1area.

Use the undo import-route isis level-2 into level-1 command to disable this redistribution.

The redistribution is not available by default.

Note that:

■You can specify a routing policy in the import-route isis level-2 into level-1command to filter routes from Level-2 to Level-1. Other routing policies specified for route reception and redistribution does not affect the route leaking.

■If a filter policy is configured, only routes passing it can be advertised into the Level-1 area.

Related commands: import-route(IS-IS view).

Examples # Configure the router to redistribute routes from Level-2 to Level-1.