From: Joe Chang (changjoe@earthlink.net)
Date: Sat Jan 11 2003 - 11:57:50 GMT-3
Shadi, I would suggest you go with subinterfaces on the hub. Reason why is
you may need to apply different QoS to your spokes in the future. Right now
all remote sites have E1 but over the years some sites may need more
bandwidth, other sites may need much less.
----- Original Message -----
From: "Shadi" <ccie@investorsgrp.com>
To: <ccielab@groupstudy.com>
Sent: Saturday, January 11, 2003 8:07 AM
Subject: Who is with and Who is against?
> Guys,
>
>
> From your excellent experience, what do you recommend in hub and spoke
> topology for ATM, to use one Flat network for the whole WAN links between
> hub and spokes, or to go subinterfaces and each link has its own network
> /252 links. I will be running OSPF Area 0 on the Wan links between the Hub
> and the spokes.
>
>
> Both of them will work, but my concern is performance and easy of
management
> and scalability for the future.
>
> I think one Flat ATM WAN network will be better.So who are with and who
are
> against?
>
>
> Shadi
>
> ----- Original Message -----
> From: "Shadi" <ccie@investorsgrp.com>
> To: <ccielab@groupstudy.com>
> Sent: Sunday, January 05, 2003 9:48 AM
> Subject: ATM Hub and Spoke and OSPF
>
>
> > 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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