3Com Switch 8800 Configuration Guide
Chapter 20 Integrated IS-IS Configuration
20-12
Table 20-7
Import routes of other protocols
Operation
Command
Import routes of other
protocols
import-route protocol
[
cost
value
|
type
{
external
|
internal
} |
[
level-1
|
level-1-2
|
level-2
] |
route-policy
route
-
policy
-
name
]*
Cancel importing routes
from other protocols
undo import-route protocol
[
cost
value
|
type
{
external
|
internal
} | [
level-1
|
level-1-2
|
level-2
] |
route-policy
route
-
policy
-
name
]*
If the level is not specified in the command for importing the route, it defaults to
importing the routes into
level-2
.
protocol
specifies the routing protocol sources that can be imported, which can be
direct, static, rip, bgp, and ospf, etc.
By default, IS-IS does not import routing information from any other protocols.
For more about importing routing information, refer to the "Configuring IP Routing
Policy" part.
20.2.8 Configuring IS-IS Route Filtering
IS-IS protocol can filter the received and advertised routes according to the access
control list specified by
acl
-
number
.
Perform the following configuration in IS-IS view.
I. Configuring to filter the routes received by IS-IS
Table 20-8
Configure to filter the received routes
Operation
Command
Configure to filter the received routes
filter-policy acl
-
number
import
Cancel filtering the received routes
undo filter-policy acl
-
number
import
II. Configuring to filter the advertised routes
Table 20-9
Configure to filter the advertised routes
Operation
Command
Configure to filter the routes advertised
by IS-IS
filter-policy
acl
-
number export
[
protocol
]
Configure not to filter the routes
advertised by IS-IS
undo
filter-policy
acl
-
number export
[
protocol
]
By default, IS-IS does not filter the route advertised by other routing protocols.