From: Marc La Porte (marc.a.laporte@gmail.com)
Date: Thu Jan 29 2009 - 06:04:52 ARST
It's 9 indeed. We are using a maximum of 6 which is running really stable
On Thu, Jan 29, 2009 at 04:55, Dale Shaw <dale.shaw@gmail.com> wrote:
> Hi,
>
> On Tue, Jan 27, 2009 at 3:59 AM, Tyson Scott <tscott@ipexpert.com> wrote:
> > I believe you can have up to 6
> > or 8 in a stack. Can't remember off the top of my head.
>
> It's 9, but in my experience stacks this big become quite
> unmanageable/unstable -- things like 'clear cdp table' absolutely
> smashes the CPU of the stack master when there are lots of IP phones
> connected. Even pretty recent code (e.g. 12.2(44)SE) was subject to
> such encounters, and that's just one example.
>
> You could say "well, don't do that", but that's a bug if you ask me
> :-) In this particular case, I had a bunch of 'stuck' CDP neighbour
> entries. I would avoid stacking more than 4 or 5 in future. When you
> get a stack that big, it's probably cheaper to buy a cat6500 anyway.
>
> cheers,
> Dale
>
>
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