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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-prefix
ip-prefix-name | route-policy route-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-prefix ip-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-policy route-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-1 command 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-1
command 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.