Configuring Ospf Inbound Route Filtering - H3C S3610-28P Operation Manual

Operation Manual – IPv4 Routing
H3C S3610&S5510 Series Ethernet Switches

3.6.3 Configuring OSPF Inbound Route Filtering

Follow these steps to configure inbound route filtering:
Enter system view
Enter OSPF view
Configure inbound route
filtering
Note:
Since OSPF is a link state-based interior gateway protocol, routing information is
contained in LSAs. However, OSPF cannot filter LSAs. Using the filter-policy import
command is to filter routes computed by OSPF, and only routes not filtered out are
installed into the routing table.
3.6.4 Configuring ABR Type-3 LSA Filtering
Follow these steps to configure Type-3 LSA filtering on an ABR:
Enter system view
Enter OSPF view
Enter area view
Configure ABR Type-3
LSA filtering
To do... Use the command...
system-view
ospf [ process-id |
router-id router-id |
vpn-instance
instance-name ]*
filter-policy { acl-number
| ip-prefix ip-prefix-name
| gateway
ip-prefix-name } import
To do... Use the command...
System-view
ospf [ process-id |
router-id router-id |
vpn-instance
instance-name ] *
area area-id
filter { acl-number |
ip-prefix ip-prefix-name }
{ import | export }
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Chapter 3 OSPF Configuration
Remarks
—
Required
Required
Not configured by default
Remarks
—
—
—
Required
Not configured by default