Area range – Dell PowerEdge M805 User Manual

Page 718

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724

OSPFv3 Commands

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console(config-rtr)#area 1 nssa translator-stab-intv 100

area range

Use the area range command in Router OSPF Configuration mode to configure a summary prefix
for routes learned in a given area. There are two types of area ranges. An area range can be
configured to summarize intra-area routes. An ABR advertises the range rather than the specific
intra-area route as a type 3 summary LSA. Also, an area range can be configured at the edge of an
NSSA to summarize external routes reachable within the NSSA. The range is advertised as a type 5
external LSA. Use the no form of the command to remove the summary prefix configuration for
routes learned in the specified area.

Syntax

area areaid range ipv6-prefix/prefix-length {summarylink | nssaexternallink} [advertise | not-
advertise]

no area areaid range ipv6-prefix/prefix-length {summarylink | nssaexternallink}

areaid—Valid OSPF area identifier.

ipv6-prefix/prefix-length—Valid route prefix.

summarylink—LSDB type

nssaexternallink—LSDB type.

advertise—Allows area range to be advertised.

not-advertise—Suppresses area range from being advertised.

Default Configuration

This command has no default configuration.

Command Mode

Router OSPFv3 Configuration mode

User Guidelines

The LSDB type must be specified by either summarylink or nssaexternallink, and the
advertising of the area range can be allowed or suppressed.

Example

The following example creates an area range for the area 1 NSSA.

console(config)#ipv6 router ospf

console(config-rtr)#area 1 range 2020:1::1/64 summarylink

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