Eigrp over Frame Relay

From: ccie2be (ccie2be@nyc.rr.com)
Date: Tue May 13 2003 - 13:57:02 GMT-3


Hi group,

I just configured Eigrp over f/r 2 different ways -

In both cases, the f/r was configured as a partial mesh, hub and spoke,
without any subinterfaces; just physical interfaces and split horizon (the
Eigrp version) was diabled on the hub router. Inverse Arp was also disabled
on all F/R interfaces.

In the first setup, each spoke had just one f/r map statement pointing to the
hub router. This seemed to work fine. Each spoke was able to see the routes
that originated from the other spokes and when you did a show ip ei neighbor
on the spokes, you only saw the hub router.

In the 2nd setup, each spoke was configured with map statements for each of
the other spokes. Again, this seemed to work fine.

Given that both configs seemed to work fine, is there any reason or benefit to
having the additional spoke to spoke f/r map statements?

I ask because in the examples I've seen of Eigrp over F/R, they have always
had the addtional map statements and I can't figure out why that is.

TIA, Jim



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