Re: 3750s in the Core

We deployed about 9 3750Gs recently most of them for racks, two at the core,
replacing old 2948 (CAT OS). I haven't had any issues so far and we've been
using these bad boys with: VOIP (30 users), exchange, RDP applications for
about 150+ users.

On Tue, Jun 16, 2009 at 12:32 PM, Joseph L. Brunner <joe_at_affirmedsystems.com
> wrote:

> Do you guys all work for the Cisco Sales team?
>
> I have NEVER seen nor had an issue with using 3750G's in environments even
> with 100's of users; even in "high bandwidth" environments...
>
> I also have clients with Sup-720's and most of them hardly utilize more
> than 1Gbps or 2Gbps sustained through the "backbone"...
>
> When I do 1Gb and 10Gb iSCSI its seldom routed, as larger clients opt for
> FCIP or 10Gb Metro links for that application (and would not consider
> iSCSI).
>
> The applications most companies use are simply not bandwidth driven... and
> when you consider that the 80/20 model is now 20/80 with 80 being web hosted
> apps like
> Salesforce, colo'd Exchange, and netsuite, the bottleneck is always the
> Internet link, even if you had a stack of 2900XL switches :)
>
> Its amazing how little has changed on that front in the United States in 10
> Years... Cogent is a viable option lately, as their network has improved,
> but many people simply get a few T-1's, do MLPPP and connected to cloud
> hosted servers via very thin protocols like RDP and Citrix ICA...
>
> -Joe
>
> -----Original Message-----
> From: nobody_at_groupstudy.com [mailto:nobody_at_groupstudy.com] On Behalf Of
> Radioactive Frog
> Sent: Tuesday, June 16, 2009 12:24 PM
> To: Steve Means
> Cc: loopback 99; ccielab_at_groupstudy.com
> Subject: Re: 3750s in the Core
>
> I wouldn't provision 37xx in backbone for more than 100 users :)
> The reason, these days everyone has got GIG port in their laptop and the
> software programmers (specially newbies) aren't hesitating developing
> application which blasts the network !!
>
>
> On Wed, Jun 17, 2009 at 2:05 AM, Steve Means <smeans_at_ccbootcamp.com>
> wrote:
>
> > I've used a 3750 as the primary switch/inter-vlan router for several
> > small/mid
> > hotel casinos. Were they truly core switches? They did have a connection
> > back
> > to a 'real' enterprise core/data center, but the networks were designed
> to
> > operate independently if neccessary. (And that happened several times)
> >
> > Because of budget restrictions and lack of heavy loads it was the way to
> > go.
> > Some things to think about:
> >
> > Load was mentioned, check it before you go this route.
> > Redundancy, stackwise or HSRP. Check cost vs a smaller modular switch.
> > Features, make sure the 3750 will handle everything you want to do. For
> > smaller networks this is usually not much. :D
> >
> > Its not a bad way to go if you have a tight budget, just make sure its
> > gonna
> > do everything you want and support future requirements.
> >
> > Steve Means
> > Security Instructor/Consultant
> > smeans_at_ccbootcamp.com
> > CCBOOTCAMP - A Cisco Learning Partner
> > 877.654.2243 Toll Free
> > +1.702.968.5100 Direct Outside the USA
> > +1.702.446.0357 Fax
> > YES! We take Cisco Learning Credits
> >
> > ________________________________
> >
> > From: nobody_at_groupstudy.com on behalf of loopback 99
> > Sent: Tue 6/16/2009 4:37 AM
> > To: ccielab_at_groupstudy.com
> > Subject: 3750s in the Core
> >
> >
> >
> > Hi
> >
> > Has anyone used or seen 3750's used as core switches ? We are currently
> > replacing our old obsolete HP switches with Cisco and my Company, like
> most
> > at the moment, want to make cost savings. Consequently they don't want to
> > spend money on 4500's in the core but instead want to put stacks of 3750s
> > instead. Are there any major disadvantages apart from the obvious
> backplane
> > speed issue that would make this a bad idea ? The proposed topology is
> the
> > typical collapsed core/distribution layer with access switches connected
> to
> > this. It is a medium sized network that will have approx 500 - 600 users.
> >
> > Thanks,
> >
> > L.
> >
> >
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> >
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Received on Tue Jun 16 2009 - 12:53:36 ART