Filter - 3Com S7906E Command Reference Manual

[Sysname] ospf 1
[Sysname-ospf-1] enable link-local-signaling
[Sysname-ospf-1] enable out-of-band-resynchronization

filter

Syntax
filter { acl-number | ip-prefix ip-prefix-name } { import | export }
undo filter { import | export }
View
OSPF area view
Default Level
2: System level
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. For details about IP prefix lists, see
Route Policy Configuration in the IP Routing Volume.
import: Filters Type-3 LSAs advertised into the area.
export: Filters Type-3 LSAs advertised to other areas.
Description
Use the filter command to configure incoming/outgoing Type-3 LSAs filtering on an ABR.
Use the undo filter command to disable Type-3 LSA filtering.
By default, Type-3 LSAs filtering is disabled.
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
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