3Com 3031 Command Reference Manual page 608

3com 3031: reference guide

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filter-policy import

acl-number: Specifies the number of the access control list, ranging from 1 to

protocol: Specifies the protocols that distribute routing information, including

direct, static, rip, bgp, ospf, ospf-nssa and ospf-ase at present. Without this

parameter, all the distributed routes will be filtered.

Using the filter-policy export command, you can configure to filter the routes

distributed by IS-IS. Using the undo filter-policy export command, you can cancel

the filtering for the exporting routes.

By default, IS-IS does not filter any distributed routing information.

In some cases, it may be required that only the routing information meeting some

conditions can be advertised. Then, the filter-policy command can be used to set

the filtering conditions for the routing information to be advertised. Only the

routing information passing the filtering can be advertised.

For the related command, see filter-policy import.

Use acl 6 to filter the routes distributed by IS-IS.

[3Com-isis] filter-policy 6 export

filter-policy acl-number import

undo filter-policy acl-number import

acl-number: Specifies the number of the access control list, ranging from 1 to

Using the filter-policy import command, you can configure to filter the routes

received by IS-IS. Using the undo filter-policy import command, you can configure

not to filter the received routes.

By default, IS-IS does not filter the received routing information.

In some cases, only the routing information meeting the specified conditions will

be accepted. You can configure thefilter-policy to specify the filter conditions so as

to accept the desired routing information only.

For the related command, see filter-policy export.