Configuring OSPF area default cost
21-34 Routing Protocol Configuration
area default cost
UsethiscommandtosetthecostvalueforthedefaultroutethatissentintoastubareabyanArea
BorderRouter(ABR).
Syntax
area area-id default-cost cost
no area area-id default-cost
Parameters
Defaults
None.
Mode
Routercommand,Routerconfiguration:Matrix>Router(config‐router)#
Usage
TheuseofthiscommandisrestrictedtoABRsattached tostubareas.
The“no”formofthiscommandremovesthecostvaluefromthesummaryroutethatissentinto
thestubarea.
Example
Thisexampleshowshowtosetthecostvalueforstubarea10to99:
Matrix>Router(config)#router ospf 1
Matrix>Router(config-router)#area 10 default-cost 99
area nssa
Usethiscommandtoconfigureanareaasanotsostubbyarea(NSSA).
Syntax
area area-id nssa [default-information-originate]
no area area-id nssa [default-information-originate]
Parameters
area‐id Specifiesthestubarea.ValidvaluesaredecimalvaluesorIPaddresses.
cost Specifiesacostvalueforthesummaryroutethatissentintoastubarea
bydefault.Validvaluesare24‐bitnumbers, from0to16777215.
area‐id SpecifiestheNSSAarea.ValidvaluesaredecimalvaluesorIP
addresses.
default‐
information‐
originate
(Optional)GeneratesadefaultofType7intotheNSSA.Thisisused
whentherouterisanNSSAABR.