External default route in an OSPF NSSA area

We all know that you have to use the default-information originate router configuration command if you want to advertise an external default route into an OSPF domain ... unless the router from which you want to advertise the default route resides in an NSSA area. The default-information originate command does not work within an NSSA area.

Read the full article in the CT3 wiki.

Posted by Ivan Pepelnjak on Tuesday, September 16, 2008

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Ivan Pepelnjak, CCIE#1354, is the chief technology advisor for NIL Data Communications. He has been designing and implementing large-scale data communications networks as well as teaching and writing books about advanced technologies since 1990. See his full profile, contact him or follow @ioshints on Twitter.