3Com Switch 7750 Series
Command Reference Guide – Routing Protocol Chapter 4 Integrated IS-IS Configuration Commands
4-15
[3Com-isis] import-route static cost 15
4.1.16 import-route isis level-2 into level-1 Syntax
import-route isis level-2 into level-1 [ acl acl-number ]
undo import-route isis level-2 into level-1
View
IS-IS view
Parameter
acl-number: ACL number in the range of 2000 to 3999. It can be either basic ACLs or
advanced ACLs.
Description
Use the import-route isis level-2 into level-1 command to import the routing
information of Level-2 area to Level-1 area.
Use the undo import-route isis level-2 into level-1 command to disable this
function.
By using the filter policy to filter the routes during the route penetration from Level-2 to
Level-1, you call advertise in the Level-1 area only those routes that have passed the
filter.
The routing information in Level-2 area will not be advertised in Level-1 area by
default.
Related command: import-route.
Example
# Set the router to penetrate routes from Level-2 to Level-1 through ACL.
<3Com> system-view
System View: return to User View with Ctrl+Z.
[3Com] isis
[3Com-isis] import-route isis level-2 into level-1 acl 2100
4.1.17 isis Syntax
isis [ tag ]
undo isis [ tag ]