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tag tag: Specifies a tag value for the summary route, used by a route policy to

 

control route advertisement, in the range 0 to 4294967295. The value defaults to

 

1.

 

cost cost: Specifies the cost of the summary route, in the range 1 to 16777214.

 

For Type-1 external routes, the cost defaults to the biggest cost among routes that

 

are summarized. For Type-2 external routes, the cost defaults to the value of the

 

biggest cost among routes that are summarized plus 1.

Description

Use the asbr-summarycommand to configure a summary route.

 

Use the undo asbr-summarycommand to remove a summary route.

 

No route summarization is configured by default.

 

With the asbr-summarycommand configured on an ASBR, it summarizes

 

redistributed routes that fall into the specified address range with a single route. If

 

the ASBR resides in an NSSA area, it advertises the summary route in a Type-7 LSA

 

into the area.

 

With the asbr-summarycommand configured on an NSSA ABR, it summarizes

 

routes in Type-5 LSAs translated from Type-7 LSAs with a single route and

 

advertises the summary route to other areas. This command does not take effect

 

on non NSSA ABRs.

 

With the undo asbr-summarycommand used, summarized routes will be

 

advertised.

Related commands:

display ospf asbr-summary.

Examples

# Summarize redistributed routes with a single route.

 

<Sysname> system-view

 

[Sysname] ip route-static 10.2.1.0 24 null 0

 

[Sysname] ip route-static 10.2.2.0 24 null 0

 

[Sysname] ospf 100

 

[Sysname-ospf-100] import-route static

 

[Sysname-ospf-100] asbr-summary 10.2.0.0 255.255.0.0 tag 2 cost 100

authentication-mode

Syntax

authentication-mode { simple md5 }

 

undo authentication-mode

View

OSPF area view

Parameters

simple: Specifies the simple authentication mode.

 

md5: Specifies the MD5 ciphertext authentication mode.

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3Com MSR 50, MSR 30 manual Authentication-mode, Display ospf asbr-summary, View Ospf area view