From: Cacca Mucca (caccamucca@gmail.com)
Date: Thu Jul 27 2006 - 08:58:46 ART
Thx
On 7/27/06, Jeffrey Fry <Jeff@fryguy.net> wrote:
>
> I have been using the Cisco 3750 in a stack for quite a while and have
> not had any issues with them. We use them in a max-stack configuration
> of 5, with StackMaster priority being Switch 1, 3 and 5. We then also
> etherchannel/trunk Switch 1, 3, and 5 back to our core 6509 switches.
>
> When we need to do an upgrade, we upgrade each switch one-by-one and
> then reboot that switch number via reboot slot command. Each switch has
> its own copy of the IOS loaded in flash and is able to use that to boot.
> What I like about using them in a stack is that it gives me the benefit
> of a chassis type switch and yet the resiliency of having individual
> switches for uptime.
>
> Keep in mind a few things with how we use them... They are typically
> Layer 2 devices only, our end-user application is written very well,
> thus network utilization is at a minimun, also we have one stack that
> has been up for over 2 years with no problems. (And that stack does do
> Layer 3 routing!)
>
> Just my experience...
>
> Jeff
>
>
>
>
>
> -----Original Message-----
> From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of
> Mark Lasarko
> Sent: Wednesday, July 26, 2006 8:13 AM
> To: caccamucca@gmail.com
> Cc: ccielab@groupstudy.com
> Subject: Re: To Stack or Not to Stack
>
> Advice: Not to stack,
> Reasoning: Limited to 32-Gbps on the stack, with management via a single
> (master) switch. This "master" is responsible for loading IOS across the
> stack along with global configuration control, maintenance of switching
> and routing tables, and acceptance of new switches to the stack. I see
> multiple potential single points of failure here, along with a
> performance hit the more you stack. HTH, ~M
>
>
> >>> "Cacca Mucca" <caccamucca@gmail.com> 07/26/06 6:41 AM >>>
>
> Hi,
>
> I have a question for the group.
>
> My new boss is convinced that stacking the 3750s in the closet is the
> way to go where as I feel slaving them off the main closet switch is
> better.
> I'm flushed with IP addresses so, single management IP address is not
> appealing to me. If I need to span more than 2 ports, slaved scenario
> works better.
> I can upgrade the IOS and reboot one switch at a time.
>
> I've heard nightmare stories about stacked 3750s in a hung state and not
> passing traffic.
>
> Pros about stacking is you can daisy chain them, back of the 3750s,
> using the provide cables. Single management IP for the stack.
>
>
>
> What is everyone else doing and what works for you?
>
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