The set protocols ospf area range command summarizes intra area paths from specified area into a single Type-3 summary-LSA announced to other areas. This command can be used only on ABR and ONLY router-LSAs (Type-1) and network-LSAs (Type-2, i.e. LSAs with scope area) can be summarized.

Command Syntax

set protocols ospf [instance-id <instance-id> | vrf <vrf-name>] area {<ipv4>|<area-id>} range <prefix/mask> [advertise <true | false> | cost <cost> | substitute <prefix/mask>]

Parameters

Parameter	Description
instance-id <instance-id>	Optional. Specifies the OSPF instance ID. The value is an integer that ranges from 1 to 8.
vrf <vrf-name>	Optional. Specifies the name of the VRF for the OSPF instance.
area {<ipv4>\|<area-id>}	Specifies the OSPF area ID. The value could be in IPv4 dotted decimal format or an integer that ranges from 0 to 4294967295.
range <prefix/mask>	Specifies summarizing routes matching the area range prefix/mask.
advertise <true \| false>	Optional. Determines whether to advertise the summarized route or not. The value could be true or false. true: Advertise the summarized route. false: Do not advertise the summarized route. By default, the summarized route is advertised.
cost <cost>	Optional. Specifies the cost of the summarized route. The value is an integer that ranges from 0 to 16777215.
substitute <prefix/mask >	Optional. Specifies another prefix to substitute the already configured one to announce to other areas.

Example

The following commands configure route summarization in OSPF area 1.

admin@Xorplus# set protocols ospf area 1 range 10.42.0.0/16
admin@Xorplus# commit

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