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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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area (OSPFv3)

area (OSPFv3)

Function

The area command displays the OSPFv3 area view.

The undo area command deletes the specified OSPFv3 area.

Format

area area-id

undo area area-id

Parameters

Parameter Description Value
area-id Specifies an OSPFv3 area ID. It can be a decimal integer or in the IPv4 address format. If the value is a decimal integer, it ranges from 0 to 4294967295.If the value is an IPv4 address, it specifies the matched IP address in dotted decimal notation.

Views

OSPFv3 view

Default Level

2: Configuration level

Usage Guidelines

Usage Scenario

The number of devices increases with the expansion of the network. This leads to a large LSDB on every OSPFv3-enabled device on a large-scale network. Consequently, route flapping frequently occurs and thus a large number of OSPF packets are transmitted on the network, which wastes bandwidth resources.

OSPFv3 addresses the preceding problem by logically partitioning an AS into different areas.

Prerequisites

Before creating an OSPFv3 area and enter the OSPFv3 area view, you need to enter the OSPFv3 process view.

Precautions

After an AS is partitioned into different areas, not all areas are equal. The area with the ID being 0 is a backbone area. The backbone area is responsible for forwarding inter-area routes. In addition, the routing information between non-backbone areas must be forwarded through the backbone area.

The first time the area command is run, an OSPFv3 area is created and the OSPFv3 area view is displayed; running the area command later enters the OSPFv3 area view only.

If the undo area command is run, all configurations in the OSPFv3 area are deleted. Therefore, exercise caution when using the command.

Example

# Enter the OSPFv3 area 0 view.

<HUAWEI> system-view
[~HUAWEI] ospfv3 1
[*HUAWEI-ospfv3-1] area 0
[*HUAWEI-ospfv3-1-area-0.0.0.0]
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Updated: 2019-03-21

Document ID: EDOC1000166501

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