My source is the Cisco Press "Cisco LAN Switching" By Clark and Hamilton.
Pages 617 and following. They refer to an end-to-end VLAN as a "flat earth"
model or campus-wide VLAN. It is not confined to a single switch block but
rather can span an entire campus. Pluses are that no routing is involved.
Minuses are that it doesn't scale. Much more in the book. It is a design
issue. The authors prefer the modular local implementation using routing in
the distribution layer.
> -----Original Message-----
> From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]]
> Sent: Friday, September 01, 2000 5:29 PM
> To: [EMAIL PROTECTED]
> Cc: [EMAIL PROTECTED]; [EMAIL PROTECTED]
> Subject: Really getting to me now...(VLANs)
>
>
> Hey Group,
> This has now officially gotten to me!!! I've been
> studying for my
> BCMSN which I am taking on the 11th and have read the
> CiscoPress book and now
> for a refresh, I am hitting the Switching Exam Cram. I am
> reading over VLANs
> am very comfortable with them except for one
> section...End-to-end VLANs. I
> just can't figure out what they mean. In the books they talk
> about E-2-E
> VLANs and then the next section will be on Local VLANs. I
> just can't see the
> difference between them, if there is one at all. What I'm
> taking from their
> explanation is that E-2-E VLANs are spanned over different
> switch blocks, and
> the local ones stay in their own. If this is so, what is the
> difference? I
> think I just need someone to explain these 2 terms to me in
> layman's terms. I
> usually understand things better when they are said simply
> and then I can
> build on that. I just need to get it to click if you know
> what I mean...
> Thanks in advance for the help guys, it's appreciated ;) I
> may just be
> overanalyzing these things, if so let me know ;)
>
> Mark Zabludovsky ~ CCNA, CCDA
> <A HREF="mailto: [EMAIL PROTECTED]">[EMAIL PROTECTED]</A>
>
> If the automobile had followed the same development as
> the computer, a
> Rolls-Royce would today cost $100, get a million miles per
> gallon, and
> explode once a year killing everyone inside.
> ~Robert Cringely, InfoWorld~
>
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