[c-nsp] Nexus 5k dual sup design

[manderson]

I thought this was a limitation on the 7k, but it makes sense that it would
apply to the 5k as well.  Good argument, thanks!


On Thu, May 23, 2013 at 2:51 PM, LavoJM <lavojm at secureobscure.com> wrote:

> There is a major scalability consequence of dual-homing a 2k to multiple
> 5k's with VPC's.
> You can use basically half as many 2k's hanging off each 5k.
>
> 3
>
>
> -----Original Message-----
> From: cisco-nsp [mailto:cisco-nsp-bounces at puck.nether.net] On Behalf Of
> manderson
> Sent: Thursday, May 23, 2013 4:33 PM
> To: Mike Hale
> Cc: cisco-nsp NSP
> Subject: Re: [c-nsp] Nexus 5k dual sup design
>
> S
> ​orry, dual sup meaning each 2k is dual homed to each 5k.​
>
>
> On Thu, May 23, 2013 at 9:36 AM, Mike Hale <eyeronic.design at gmail.com
> >wrote:
>
> > Can you clarify by what you mean by dual-sup?
> >
> > The 5k is single sup only isn't it?
> >
> > On Thu, May 23, 2013 at 8:44 AM, manderson <chiefwfb at gmail.com> wrote:
> > > Hello, we currently use a single sup design in one of our DC's and
> > > we're playing w/a dual sup design for single homed servers in our
> other DC.
> > >  Cisco A/S, our SE, and myself are not particularly fond of the dual
> > > sup design.  However, the lead engineer appears to be set on going
> > > this
> > route.
> > >
> > > Other than having two different architectures at two different DC's,
> > > and designing a network to support single homed servers, I'm looking
> > > for additional pros/cons as points of discussion.
> > >
> > > TIA,
> > > ChiefWFB
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