Specifications

area nssa
SecureStack C3 Configuration Guide 20-11
Mode
RouterOSPFv3configuration:C3(su)->router(Config-router)#
Usage
UsethiscommandtosetthecostvalueforthedefaultroutethatissentintoastubareaorNSSA
byanAreaBorderRouter(ABR).Thenoformofthiscommandremovesthecostvaluefromthe
summaryroutethatissentintothestubarea.
Example
Thisexamplesetsthedefaultroutecostto50forarea20.
C3(su)->router(Config-router)# area 20 default-cost 50
area nssa
Thiscommandconfiguresthespecifiedareatofunctionasanotsostubbyarea(NSSA).
Syntax
area areaid nssa
no area areaid nssa
Parameters
Defaults
None.
Mode
RouterOSPFv3configuration:C3(su)->router(Config-router)#
Usage
AnNSSAallowssomeexternalroutesrepresentedbyexternalLinkStateAdvertisements(LSAs)
tobeimportedintoit.Thisisincontrasttoastubareathatdoesnotallowanyexternalroutes.
ExternalroutesthatarenotimportedintoanNSSAcanberepresentedbymeansofadefault
route.
ThisconfigurationisusedwhenanOSPFv3internetworkisconnectedtomultiplenon‐
OSPFroutingdomains.
ThenoformofthiscommandchangestheNSSAbacktoaplainarea.
Example
Thisexampleshowshowtoconfigurearea20asanNSSA.
C3(su)->router(Config-router)# area 20 nssa
areaid EntertheareaIDinIPaddressformat(dotted‐quad)orasadecimal
value.