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Command Reference

CloudEngine 8800, 7800, 6800, and 5800 V200R002C50

This document describes all the configuration commands of the device, including the command function, syntax, parameters, views, default level, usage guidelines, examples, and related commands.
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filter export (OSPFv3)

filter export (OSPFv3)

Function

The filter export command filters the outgoing Type3 LSAs of the local area.

The undo filter export command restores the default setting.

By default, the outgoing Type3 LSAs of the local area cannot be filtered.

Format

filter { acl6-number | acl6-name acl6-name | ipv6-prefix ipv6-prefix-name | route-policy route-policy-name } export

undo filter [ acl6-number | acl6-name acl6-name | ipv6-prefix ipv6-prefix-name | route-policy route-policy-name ] export

Parameters

Parameter Description Value
acl6-number Specifies the number of a basic ACL. The value is an integer that ranges from 2000 to 2999.
acl6-name acl6-name Specifies the name of a named basic ACL. The value is a string of 1 to 32 case-sensitive characters except spaces. The value must start with a letter (case-sensitive).
ipv6-prefix ipv6-prefix-name Specifies the name of an IP prefix list. The name is a string of 1 to 169 case-sensitive characters except spaces. When double quotation marks are used to include the string, spaces are allowed in the string.
route-policy route-policy-name Specifies the name of a routing policy. The name is a string of 1 to 200 case-sensitive characters, with spaces not supported. When double quotation marks are used around the string, spaces are allowed in the string.

Views

OSPFv3 area view

Default Level

2: Configuration level

Usage Guidelines

Usage Scenario

The command can be used to filter out invalid LSAs sent to neighbors to reduce the size of the LSDB and speed up network convergence.

Configuration Impact

After filtering conditions are set for the outgoing Type3 LSAs to be advertised using the filter export command, only the outgoing Type3 LSAs that pass the filtering can be received and advertised.

Precautions

  • The command can be configured only on an ABR.
  • For a named ACL, when the rule command is used to configure a filtering rule, the filtering rule takes effective only when the source address range is specified by the source parameter and the time period is specified by the time-range parameter.
  • Run the filter import (OSPFv3) command to set filtering conditions for the incoming Type3 LSAs to be advertised.

Example

# Configure OSPFv3 to filter the outgoing Type3 LSAs.

<HUAWEI> system-view
[~HUAWEI] ospfv3 100
[*HUAWEI-ospfv3-100] area 1
[*HUAWEI-ospfv3-100-area-0.0.0.1] filter 2000 export
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Updated: 2019-03-21

Document ID: EDOC1000166501

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