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486 CHAPTER 31: CONFIGURING IP ROUTING POLICY
Table 565 Configure Filtering Route Information Received
2 Configure filtering the route information being advertised
Define a strategic rule and quote an ACL or prefix-list to filter the routing
information that does not meet the requirements when receiving routes. Specify
the protocol to filter only the distributed protocol routing information.
Table 566 Configure Filtering RouteInformation Being Advertised
By default, no route information received or being advertised is filtered.
protocol specifies the routing domain that can will be filtered. At present, it can
filter routes domain as follows:
■ direct: the network segment (host) route directly connected with the local
interface.
■ static: static route
■ RIP: route discovered by RIP protocol+
■ OSPF: route discovered by OSPF protocol
■ OSPF-ASE: external route discovered by OSPF protocol
■ BGP: route discovered by BGP protocol
Displaying and
Debugging IP Routing
Policy
Perform the following configurations in all views.
Operation Command
Filter the route information received from
a specified gateway
filter-policy gateway
prefix-list-name import
Change or cancel filtering the route
information received from a specified
gateway
undo filter-policy gateway
prefix-list-name import
Filter the route information received filter-policy {acl-number |
ip-prefix prefix-list-name } import
Change or cancel filtering route
information received
undo filter-policy {acl-number |
ip-prefix prefix-list-name } import
Filter routing information received from a
specified gateway and the routing
information received according to
prefix-list
filter-policy ip-prefix
prefix-list-name gateway
prefix-list-name import
Change or cancel filtering the routing
information received from a specified
gateway and the routing information
received according to prefix-list
undo filter-policy ip-prefix
prefix-list-name gateway
prefix-list-name import
Operation Command
Filter the route information being
advertised
filter-policy {acl-number |
ip-prefix prefix-list-name } export [
protocol ]
Change or cancel filtering route
information being advertised
undo filter-policy { acl-number |
ip-prefix prefix-list-name } export [
protocol ]