Tricky One - Can Backbone router learn default route from NSSA?
Thanks Alex - Unfortuantely my rack time is over so I cannot show any outputs.
But what is wrong with having a “connected” route towards the forwarding address? Is that documented somewhere?
On 7/31/06, Alex wrote: > > I wonder if it might be a same problem as with “regular” OSPF default > routes: the OSPF router must have an internal OSPF route to the forwarding > address. > That means, if R3 has a “connected” route towards forwarding address of > R1-originated default and R3 is configured with “network 0.0.0.0″ > statement > then R3 won’t pass default to own routing table. > Need to see Your configs and “show ip ospf database nssa” printout from > R3. > HTH > Cheers > Alex > > —– Original Message —– > From: “CCIEin2006″ > To: > Cc: “Cisco certification” > Sent: Monday, July 31, 2006 11:38 AM > Subject: Re: Tricky One - Can Backbone router learn default route from > NSSA? > > > > Basically the setup looks like this: > > > > (R1)–Area100–(R3)–Area0 > > | > > Area100 > > | > > (R2) > > > > R1, R2, and R3 are connected to Area100 which is a NSSA. R3 is also > > connected to Area0. > > R1 is configured with Area 100 nssa default-information-originate. > > > > Both R2 and R3 see the 0.0.0.0 route in their OSPF database but only R2 > > actually enters the route in its routing table. R3 is not entering the > > route > > in its routing table. > > > > Can you explain why that is? I figured it might have something to do > with > > R3 > > being connected to Area0 but I’m not sure…. > > > > Thanks
























