From: Larry Letterman (lletterm@cisco.com)
Date: Thu Aug 28 2003 - 04:18:32 GMT-3
I raelly don't see what vlans have to do with connecting remote
Sites, since most remotes are connected by routers with L3 subnets
Using /30 space. The most common way of connecting remotes to the main
Site on one subnet would be multipoint frame...
Larry Letterman
Cisco Systems
-----Original Message-----
From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of
Gary Bartlett
Sent: Thursday, August 28, 2003 12:14 AM
To: emad; ccielab@groupstudy.com
Subject: Re: Vlan design vs. subnet distribution
Well, I think you were on the right track by saying that for routing
purpoces it wouldn't work to well if you had multiple sites advertiseing
the same subnet, unless the subnets were NATed by the router as it was
advertised to the rest of the network...
----- Original Message -----
From: "emad" <emad@zakq8.com>
Date: Thu, 28 Aug 2003 09:59:31 +0300
To: <ccielab@groupstudy.com>
Subject: Vlan design vs. subnet distribution
> Folks,
> I faced a question saying why it is necessary to dedicate one subnet
> per each vlan and not more when we are connecting , as example , two
> branch sites switches to the core switch? My answer was to how we can
> give IP to each vlan interface on the core switch to make L3 routing
> between them and at the same time we limited the boradcast traffic to
> inside the same site, but if I have three sites(one head quarter and
> other two are branches) have one subnet in between them ?
> Like if I have subnet 172.30.16.0 255.255.248.0 distributed between
the
> three sites , how can I make vlans without having each site separated
> into one subnet!!!
>
> Please advice
>
> thanx
>
>
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