Configuring Is-Is Route Filtering - 3Com 8800 Configuration Manual

3Com Switch 8800 Configuration Guide
Table 20-7 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.

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
Configure to filter the received routes
Cancel filtering the received routes
II. Configuring to filter the advertised routes
Table 20-9 Configure to filter the advertised routes
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.
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 ]*
Operation
Operation
20-12
Chapter 20 Integrated IS-IS Configuration
Command
Command
filter-policy acl-number import
undo filter-policy acl-number import
Command
filter-policy acl-number
[ protocol ]
undo filter-policy acl-number export
[ protocol ]
export