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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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asbr-summary (OSPFv3)

asbr-summary (OSPFv3)

Function

The asbr-summary command configures IPv6 route summarization on an ASBR.

The undo asbr-summary command cancels IPv6 route summarization on an ASBR.

By default, IPv6 route summarization is not configured on an ASBR.

Format

asbr-summary ipv6-address summary-prefix-length [ cost summary-cost | tag summary-tag | distribute-delay dist-delay-interval | not-advertise ] *

undo asbr-summary ipv6-address summary-prefix-length

Parameters

Parameter Description Value
ipv6-address Specifies the address range of IPv6 routes to be summarized. The value is a 32-digit hexadecimal number, in the format of X:X:X:X:X:X:X:X.
summary-prefix-length Specifies the prefix length. The value is an integer ranging from 1 to 128.
cost summary-cost Specifies the cost of a summarized route. By default, the cost of a summarized route is the maximum cost among those of routes that are summarized. The value is an integer ranging from 1 to 16777214.
tag summary-tag Specifies the tag used to control route advertisement. The value is an integer ranging from 0 to 4294967295.
distribute-delay dist-delay-interval Specifies the delay for advertising summarized routes. The value is an integer ranging from 1 to 65535, in seconds. This parameter has no default value.
not-advertise Indicates that the summarized IPv6 routes that match a specified IPv6 prefix/prefix length are not advertised. -

Views

OSPFv3 view

Default Level

2: Configuration level

Usage Guidelines

An ASBR connects two or more ASs, and generates AS-External-LSAs.

The asbr-summary command is used on an ASBR to summarize the imported routes that have the same prefix and advertise only the summarized route. This command can be used only on ASBRs.

An ASBR can be configured with multiple summarized routes. Therefore, OSPFv3 can aggregate routes of multiple network segments.

Example

# Configure route summarization.

<HUAWEI> system-view
[HUAWEI] ospfv3 1
[HUAWEI-ospfv3-1] asbr-summary aa:: 64 cost 20 tag 100
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Updated: 2019-03-21

Document ID: EDOC1000166501

Views: 44036

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