Leigh Anne, suppose we were to distinguish between a "campus core" and
"enterprise core"?
I have a campus of several buildings, and servers / services distributed
across them. VLAN's across this "campus core" make perfect sense.
OTOH, even with centralized servers / services in corporate data centers,
VLAN's across multiple campus locations make no sense.
I'm trying to get at a clarification of what is meant by "core" in your
question.
Saw another post on another topic, but which might be relevant. Maybe you
could bridge across your core?
Naw. Back to the coal mines.
Chuck
-----Original Message-----
From: Leigh Anne Chisholm [mailto:[EMAIL PROTECTED]]
Sent: Friday, September 07, 2001 7:26 PM
To: Chuck Larrieu; [EMAIL PROTECTED]
Subject: RE: Question about Cisco's Hierarchical Model [7:19069]
Yes, a single device can represent the core and distribution layers. That's
your typical collapsed core. However, what of a link between two collapsed
core devices. If it's not a trunk link, how does it carry traffic that
originated in a VLAN? How do you truly terminate the VLAN at the
distribution layer?
I've got an idea, but I just can't solidify all the pieces currently.
I eagerly await Tony's answer.
-- Leigh Anne
> -----Original Message-----
> From: Chuck Larrieu [mailto:[EMAIL PROTECTED]]
> Sent: Friday, September 07, 2001 8:15 PM
> To: Leigh Anne Chisholm; [EMAIL PROTECTED]
> Subject: RE: Question about Cisco's Hierarchical Model [7:19069]
>
>
> got a link to a diagram, LA?
>
> seriously, recall that core and distribution do not have to be separate
> devices. your 4006's terminate on the gigabit cards on your
> 6513's, and the
> MLS module does the routing on your core?
>
> Tony M will have a practical answer to this one, BTW. I happen to know he
> was intimately involved with just this kind of issue with a
> certain company
> in Sacrapimento. :->
>
> Chuck
>
> -----Original Message-----
> From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]]On Behalf Of
> Leigh Anne Chisholm
> Sent: Friday, September 07, 2001 6:55 PM
> To: [EMAIL PROTECTED]
> Subject: Question about Cisco's Hierarchical Model [7:19069]
>
>
> I've been going through the BCMSN course and I'm a bit baffled on
> how to do
> something. There's the statement that:
>
> Because VLANs terminate at the distribution device, core links
> are not trunk
> links and traffic is routed across the core.
>
> What I'm puzzled by is how to terminate a VLAN at the distribution layer.
> What am I missing here?
Message Posted at:
http://www.groupstudy.com/form/read.php?f=7&i=19078&t=19069
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