OSPFv3 Commands 1285area range (Router OSPFv3)Use the area range command in Router OSPF Configuration mode toconfigure a summary prefix for routes learned in a given area. If the area hasnot been previously created, this command creates the area and then appliesthe range parameters. There are two types of area ranges. An area range can beconfigured to summarize intra-area routes. An ABR advertises the rangerather than the specific intra-area route as a type 3 summary LSA. Also, anarea range can be configured at the edge of an NSSA to summarize externalroutes reachable within the NSSA. The range is advertised as a type 5 externalLSA. Use the no form of the command to remove the summary prefixconfiguration for routes learned in the specified area.Syntaxareaarea-id rangeipv6-prefix/prefix-length {summarylink |nssaexternallink} [advertise | not-advertise]no areaarea-id rangeipv6-prefix/prefix-length {summarylink |nssaexternallink}•areaid—Valid OSPFv3 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 ConfigurationThis command has no default configuration.Command ModeRouter OSPFv3 Configuration mode.User GuidelinesThe LSDB type must be specified by either summarylink or nssaexternallink,and the advertising of the area range can be allowed or suppressed.
