H3C S7500E Series Command Manual page 339

Command Manual – IPv4 Routing
H3C S7500E Series Ethernet Switches
[Sysname] ospf 100
[Sysname-ospf-100] enable log
3.1.25 filter
Syntax
filter { acl-number | ip-prefix ip-prefix-name } { import | export }
undo filter { import | export }
View
OSPF area view
Parameters
acl-number: ACL number, in the range 2000 to 3999.
ip-prefix-name: IP prefix list name, a string of up to 19 characters.
import: Filters incoming LSAs.
export: Filters outgoing LSAs.
Description
Use the filter command to configure incoming/outgoing summary LSAs filtering on an
ABR.
Use the undo filter command to disable summary LSA filtering.
By default, summary LSAs filtering is disabled.
Note:
This command is only available on an ABR.
Examples
# Apply IP prefix list my-prefix-list to filter inbound Type-3 LSAs, and apply ACL 2000
to filter outbound Type-3 LSAs in OSPF Area 1.
<Sysname> system-view
[Sysname] ospf 100
[Sysname-ospf-100] area 1
[Sysname-ospf-100-area-0.0.0.1] filter ip-prefix my-prefix-list import
[Sysname-ospf-100-area-0.0.0.1] filter 2000 export
Chapter 3 OSPF Configuration Commands
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