3Com 8807 Configuration Manual page 347

Configuring IS-IS Route
Filtering
n
Perform the following configuration in IS-IS view.
Table 314 Import routes of other protocols
Operation
Import routes of other
protocols
Cancel importing routes from
other protocols
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.
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.
Configuring to filter the routes received by IS-IS
Table 315 Configure to filter the received routes
Operation
Configure to filter the received routes
Cancel filtering the received routes
Configuring to filter the advertised routes
Table 316 Configure to filter the advertised routes
Operation
Configure to filter the routes advertised by
IS-IS
Configure not to filter the routes advertised
by IS-IS
By default, IS-IS does not filter the route advertised by other routing protocols.
protocol specifies the routing protocol sources for advertising routes, which can be
direct, static, rip, bgp, ospf, ospf-ase, ospf-nssa and so on.
The filter-policy import command only filters the ISIS routes received from
■
the neighbors, and routes that cannot pass the filter will not be added to the
routing table. This command takes effect on Level-1-2 routers.
Configuring Integrated IS-IS
Command
import-route protocol [ cost value | type { external |
internal } | [ level-1 | level-1-2 | level-2 ] | route-policy
route-policy-name ]*
undo import-route protocol [ cost value | type { external |
internal } | [ level-1 | level-1-2 | level-2 ] | route-policy
route-policy-name ]*
Command
filter-policy acl-number import
undo filter-policy acl-number import
Command
filter-policy acl-number export [
routing-protocol ]
undo filter-policy acl-number export
[routing-protocol ]
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