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set protocols ospf area range

set protocols ospf area range

Owned by Tracy Yang
Mar 19, 2024

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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