abr-summary (OSPF area view)

Use abr-summary to configure a summary route on an area border router (ABR).

Use undo abr-summary to remove a summary route.

Syntax

abr-summary ip-address { mask-length | mask } [ advertise | not-advertise ] [ cost cost ]

undo abr-summary ip-address { mask-length | mask }

Default

No route summarization is configured on an ABR.

Views

OSPF area view

Predefined user roles

network-admin

mdc-admin

Parameters

ip-address: Specifies the destination IP address of the summary route in dotted decimal notation.

mask-length: Specifies the mask length in the range of 0 to 32.

mask: Specifies the mask of the IP address, in dotted decimal notation.

advertise | not-advertise: Advertises the summary route or not. By default, the command advertises the summary route.

cost cost: Specifies the cost of the summary route, in the range of 1 to 16777215. The default cost is the largest cost value among routes that are summarized.

Usage guidelines

This command is available only on an ABR to summarize multiple contiguous networks into one network.

To enable ABR to advertise more-specific routes, issue the undo abr-summary command.

Examples

# Summarize networks 36.42.10.0/24 and 36.42.110.0/24 in Area 1 into 36.42.0.0/16.

<Sysname> system-view
[Sysname] ospf 100
[Sysname-ospf-100] area 1
[Sysname-ospf-100-area-0.0.0.1] network 36.42.10.0 0.0.0.255
[Sysname-ospf-100-area-0.0.0.1] network 36.42.110.0 0.0.0.255
[Sysname-ospf-100-area-0.0.0.1] abr-summary 36.42.0.0 255.255.0.0