Command Manual - Routing Protocol
Quidway S3500 Series Ethernet Switches Chapter 3 OSPF Configuration Commands
Huawei Technologies Proprietary
3-29
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 filtration can be advertised.
For the related commands, see acl, ip ip-prefix.
Example
# Configure ospf only advertises the routing information permitted by acl 2000.
[Quidway] acl number 2000
[Quidway-acl-basic-2000] rule permit source 11.0.0.0 0.255.255.255
[Quidway-acl-basic-2000] rule deny source any
[Quidway-ospf] filter-policy 2000 export
3.1.27 filter-policy import
Syntax
filter-policy { acl-number | ip-prefix ip-prefix-name | gateway ip-prefix-name } import
undo filter-policy { acl-number | ip-prefix ip-prefix-name | gateway ip-prefix-name }
import
View
OSPF view
Parameter
acl-number: Access control list number used for filtering the destination addresses of
the routing information.
ip-prefix-name: Name of address prefix list used for filtering the destination addresses
of the routing information.
gateway ip-prefix-name: Name of address prefix list used for filtering the addresses of
the neighboring routers advertising the routing information.
Description
Using filter-policy import command, you can configure the OSPF rules of filtering the
routing information received. Using undo filter-policy import command, you can
cancel the filtering of the routing information received.
By default, no filtering of the received routing information is performed.
In some cases, it may be required that only the routing information meeting some
conditions can be received. Then, the filter-policy command can be used to set the
filtering conditions for the routing information to be received. Only the routing
information passing the filtration can be received.
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