Loopback, OSPF, and 32 mask

From: Elver Sena (cled@xxxxxxx)
Date: Tue Jan 30 2001 - 16:35:08 GMT-3

   
Hi,

I've been looking for an answer to this and I can't seem to find it. I =
looked in the archives, Cisco website, Thomas book, ...

I have a loopback with a mask of 32 and advertised on OSPF. All other =
OSPF routers were able to see this unicast address and put it in the =
routing table.

I then changed the mask of the same loopback to 24, and made the =
appropiate "network..." change in OSPF. No OSPF router is now putting =
the loopback in the routing table but they do see the router link for =
the loopback's network in the OSPF database (LSA Type 1).

I once heard that to make OSPF advertise a network mask on a loopback =
(other than 32) an additional command must be added. Does any one have =
any ideas?

Thanks,
Elver

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