From: James Ventre (messageboard@ventrefamily.com)
Date: Tue Jul 25 2006 - 14:32:22 ART
I'd consider your 3750 "stack" a single point of failure, if you're
using the stacking feature. I recently came across a scenario where
the stacking software between the 3750's wasn't functioning and no
traffic passed - in or out.
James
Guyler, Rik wrote:
> Our server farm connects into the network at the distribution layer, where
> we typically have better equipment and higher bandwidth backplanes. In our
> case, we use 4500 switches with Sup4s, which has been an excellent
> combination supporting over 300+ servers, mainframes, minis, AS400s, etc.
>
> The 3750 series switches should also be a pretty good solution in this
> situation but the backplane will be much less than a more robust chassis
> switch. Be conservative on the number of switches in a single stack since I
> seem to recall the backplane in a stack runs at 32Gb.
>
> I would not directly connect anything directly into the core except for
> distribution and other core switches. Sometimes the demarcation point is
> not clearly defined so if your core and distribution layers are collapsed
> into a single device or layer then really, from an architectural perspective
> the 3750 stacks would be considered access layer but the reality is that
> they are still only a single hop away form the core so don't get too wrapped
> up into the terminology.
>
> Rik
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