Re: OT : To Connect IBM BladeCentre Swiches with Nexus 2k

Manser,

I have already connected SAN on my Nexus 2k 10G switch . Here i am not
worried FCOE.

Can you please go through the attached diagram and recommend whether we can
go for this setup or any Spanning Tree
Related issues?

~ Akber.

On Wed, Dec 19, 2012 at 8:25 PM, Anser Gmail <manserkhan_at_gmail.com> wrote:

> Agree with Mr. Brain. But you may need to think about SAN connectivity as
> well or planning about FCoE.
>
> Nexus module might be good option with Nexus 5548UP while using FCoE.
>
> Sent from my iPhone
>
> On Dec 19, 2012, at 6:35 PM, Brian McGahan <bmcgahan_at_ine.com> wrote:
>
> > It's not really a consequence of spanning-tree that's an issue because
> like you said they're just access ports. Be aware though that the 2K's do
> not support STP on their downstream facing links, as these links always run
> as edge ports with BPDU filter enabled. The real potential design issue is
> that the Nexus 2k doesn't support local switching. If most or all of your
> traffic is north/south then this is fine, but if you're trying to go
> east/west between the blade switches then all your traffic has to go north
> on the uplinks to the parent Nexus 5K switch, and then south back down to
> the 2K. Also depending on how many uplinks you have on your 2K's going to
> the 5K's, you're potentially going to be oversubscribing these links beyond
> what you want.
> >
> > Ideally you would probably skip the 2K's and go direct to the 5K's, e.g.
> 5020 or 5596 if you need more port density, but of course the disadvantage
> of this is the cost.
> >
> >
> > HTH,
> >
> > Brian McGahan, CCIE #8593 (R&S/SP/Security)
> > bmcgahan_at_INE.com
> >
> > Internetwork Expert, Inc.
> > http://www.INE.com
> >
> >
> >
> > -----Original Message-----
> > From: nobody_at_groupstudy.com [mailto:nobody_at_groupstudy.com] On Behalf Of
> Akber Ali Mirza
> > Sent: Wednesday, December 19, 2012 3:08 AM
> > To: CCIE Lab
> > Subject: OT : To Connect IBM BladeCentre Swiches with Nexus 2k module
> >
> > Hello All,
> >
> >
> >
> > We are looking forward to implement IBM BladeCentre Swiches connectivity
> with Nexus 2k module.
> >
> >
> >
> > I would like to brief you about my network over as follows:
> >
> >
> >
> > Coreswitch : 6513 ( Layer 3 switch + Spanning Tree root)
> >
> >
> >
> > Nexus 5010 : Layer 2 switch
> >
> >
> >
> > Nexus 2k 10G ports based module.
> >
> >
> >
> > *Currentl Solution : *we want to connect the IBM Blade Switches (4) as
> demonstrated in the attached diagram which will be connected
> >
> > to Nexus 2k module as Ether-channel Access port.
> >
> >
> >
> > Initially we been proposed by our vendor with this design and Now vendor
> is recommending us to connect the Blade switch etiher to
> >
> >
> >
> > Nexus 5k switch or directly to 6513 core-switches instead of Nexus 2k
> modules as they say Nexus 2k modules are only to connect
> >
> >
> >
> > the Edge devices .
> >
> >
> >
> > We do not have ports available on Nexus 5010 to connect the cables from
> IBM Blade Centre Switches.
> >
> >
> >
> > Otherthan that, incase if we go ahead and connect the IBM Blade switches
> as access ether-channel access port with Nexus 2k module
> >
> > what are the consequences we have to face realted Spanning tree or any
> other.
> >
> >
> >
> >
> >
> > Request you to please give your valuable comments at the earliest!
> >
> >
> >
> >
> >
> >
> >
> > ~ Akber Mirza.
> >
> >
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> >
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Received on Wed Dec 19 2012 - 20:37:12 ART