ATM Hub and Spoke and OSPF

From: Shadi (ccie@investorsgrp.com)
Date: Sun Jan 05 2003 - 02:48:13 GMT-3


Guys,

I have a hub and spoke ATM network, the hub has STM-1 ATM link, and the
spokes are having E3 ATM links.

I would like to have OSPF over this network but here am stuck in two
scenarios:

Scenario 1: Design the whole WAN Hub and spoke network without making
subinterfaces on the STM-1 hub interface, but that means I will make the
whole WAN network as one network. and I will make the whole WAN network as
OSPF area 0.

Scenario 2: Design the whole WAN Hub and Spoke Network with subinterfaces on
the STM-1 hub interfaces, but that means I will split the WAN network into
smaller networks /252. And If I am going to implement OSPF, I will have
multiple area 0 on different WAN networks.

So what do you recommend Guys? Which scenario is better from your experince
point of view?

Shadi
.



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