[c-nsp] 4900M vs. 4503 for core

[Geoffrey Pendery]

Thirded.
We recently built out a large deployment, with a mix of hardware
ordered, and the 4900Ms were the last thing to arrive, many months
late.
The 4500's with Sup 6E were also significantly delayed due to short
supply (and indeed, I believe the 4900M really is a 4500 Sup6E, just
in a fixed slot chassis).

-Geoff

On Thu, Jan 28, 2010 at 6:37 AM, Kevin Hatem <Kevin.Hatem at pgs.com> wrote:
> The 4900m are is very short supply as Jeff mentions.  I waited 3 months for the chassis (fall 2009) and just ordered the 20 port 1G module and is back ordered to March.
>
> The 4900m is very good if you need to aggregate your 10G as top of rack, then maybe out to a metro E.  The 3560G is a great mid-core solution for small shops.  I also agree that using a stack in the core is bad.
>
> -kevin
> ++++++++++++++++
> -----
> ++++++++++++++++
>
> -----Original Message-----
> From: cisco-nsp-bounces at puck.nether.net [mailto:cisco-nsp-bounces at puck.nether.net] On Behalf Of Mark Tinka
> Sent: Wednesday, January 27, 2010 20:19
> To: cisco-nsp at puck.nether.net
> Cc: Jeff Bacon
> Subject: Re: [c-nsp] 4900M vs. 4503 for core
>
> On Thursday 28 January 2010 07:30:38 am Jeff Bacon wrote:
>
>> You could probably use a pair of 3560Gs for your core and  get away
>> with it, without having to spend any real  money. I wouldn't actually
>> stack the cores - too easy  for one to take out the other via the
>> stack cable... but  that's a personal preference.
>
> I tend to agree with this one - stacking (using proprietary
> technologies) core switches could get risky when things get hairy. Besides, how much can you stack before a chassis makes sense, and not just in ports?
>
> I've used 3560G's as core switches in relatively small PoP's (pushing about 1Gbps or more with LACP). They're solid!
>
>> If you _need_ to buy now once and for all, then you've  got a problem.
>> But if you don't, don't.
>
> Agree.
>
> If you're not averse to other vendors, you could consider Juniper's EX3200's and EX4200's as well.
>
> Cheers,
>
> Mark.
>
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