[c-nsp] Nexus 9500

[Skeeve Stevens]

Phil.. yup.. the list has been helpful yet again :)


...Skeeve

*Skeeve Stevens - *eintellego Networks Pty Ltd
skeeve at eintellegonetworks.com ; www.eintellegonetworks.com

Phone: 1300 239 038; Cell +61 (0)414 753 383 ; skype://skeeve

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On Wed, Dec 31, 2014 at 2:00 PM, Phil Bedard <philxor at gmail.com> wrote:

> I don't think you have it correct.  Each fabric module has 8x40G to each
> slot in the 9508.  With 6 it's 48x40G to each slot. So you could lose one
> and still be able to support the 36x40G.
>
> Phil
> ------------------------------
> From: Skeeve Stevens <skeeve+cisconsp at eintellegonetworks.com>
> Sent: ‎12/‎30/‎2014 9:14 PM
> To: cisco-nsp at puck.nether.net
> Subject: [c-nsp] Nexus 9500
>
> Hi all,
>
> Just trying to understand the hardware requirements on a Nexus 9508...   It
> is that time of the year when getting anything out of Cisco is slow
> (reasonable) and I thought I would ask the Cisco-NSP brain trust.
>
> You have the N9K-X9636PQ line card... which is 36 x 40Gb ports...
> non-blocking (the 1.5:1 sub model is N9K-X9536PQ).
>
> It says it needs 6 fabric modules for maximum bandwidth on the X9636PQ -
> for that one card - the X9536PQ only needs 3 FM's.
>
> But... the 9508 Chassis seems to only have capacity for 6 FMs... same with
> all of them actually. 9504 and 9516.
>
> Does this mean that only 1 x X9636PQ can actually work non-blocking in a
> whole 9508 Chassis?  or two of the X9536PQ?
>
> So I could have a 8 slot chassis with one card in it and be non-blocking?
> Or.. being that a FM can do 8 x 40Gb links to a line card, then 6 will do
> 48 x 40Gb ports... so 36 on one card and 12 on another... assuming you
> could split it like that somehow.
>
> Or there is the N9K-X9432PQ - which seems to be linerate for > 200byte
> packets... (this seems like an odd card to make).
>
> So it sounds like a 9504 would make more sense as the 9508 would have
> wasted line card slots... even the 9504 will waste 2.
>
> Is this sound logic?
>
>
> ...Skeeve
>
> *Skeeve Stevens - *eintellego Networks Pty Ltd
> skeeve at eintellegonetworks.com ; www.eintellegonetworks.com
>
> Phone: 1300 239 038; Cell +61 (0)414 753 383 ; skype://skeeve
>
> facebook.com/eintellegonetworks ;  <http://twitter.com/networkceoau>
> linkedin.com/in/skeeve
>
> twitter.com/theispguy ; blog: www.theispguy.com
>
>
> The Experts Who The Experts Call
> Juniper - Cisco - Cumulus Linux - Cloud - Consulting - IPv4 Brokering
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