Re: OSPF neighbors, frame relay broadcast

From: Michael Needham (mineedha@xxxxxxxxx)
Date: Fri May 05 2000 - 13:45:22 GMT-3


   
You need the broadcast statement at the end of the frame-relay statement
to allow the propagation of broadcast information such as routing
updates (ie OSPF 224.0.0.4 - multicast) from router to router. otherwise
you need static routes

> John Conzone wrote:
>
> I was working through the CCIE bootcamp lab 1in my mind again, and
> have a question. The hub frame router was configured as a single sub
> int on a serial, multipoint. The spoke routers were configured with
> frame right on the serial, no sub. Okay, iarp resolved the ip's and
> life was good.
> Now add ospf. All interfaces are non-broadcast as far as ospf is
> concerned. That means neighbors. Now on the sub, the "frame relay map
> ip *.*.*.* dlci broadcast" command is used.
> Under OSPF, neighbors are defined. I guess I'm wondering if the
> interfaces are non-broadcast and neighbors need to be defined, why the
> "broadcast" keyword on the end of the frame-relay map statements?
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