Re: OT: interface HundredGigE0/2/0/0

32 right now, but more on the roadmap with Sup2E.

Ronnie

On Fri, Jun 8, 2012 at 11:42 AM, Mike Johnson <mtb.mikej_at_gmail.com> wrote:

> Good point about the 7Ks. I have not looked lately at how many FEXs it can
> support.
>
> As alawys, needs and requirements vary, and there are pros and cons with
> either (any) vendor.
> On Jun 7, 2012 10:44 PM, "Ronnie Angello" <ronnie.angello_at_gmail.com>
> wrote:
>
>> Good info... Sounds like a fun project to be working on. I'll just
>> add that the 7K supports FEX as well, and also on a much larger scale than
>> the 5K.
>>
>> Pretty good post below comparing the two architectures... I have a
>> better understanding now. The oversubscription that they were referring to
>> is with the 10GE FEX (2232). That makes sense... you have 32x host ports
>> and 8x fabric ports (4:1).
>>
>> We (Joseph and I) were initially talking about the oversubscription of
>> the 7K line cards.
>>
>>
>> http://m.zimbio.com/Cisco+Systems+Inc./articles/n000mxz81Fm/Cisco+Nexus+2000+FEX+Vs+Juniper+QFabric+QFX3500
>>
>> Sent from my iPhone
>>
>> On Jun 7, 2012, at 10:55 AM, Mike Johnson <mtb.mikej_at_gmail.com> wrote:
>>
>> I'm not an expert on Juniper, but just a comment on cost... for small
>> installations QFabric is expensive. The fabric interconnect is not cheap.
>> However, we are doing a comparative design study between Nexus and QFabric
>> for a new computer room of 100 cabinets - 3200 10G unified ports. Juniper
>> is *significantly* cheaper. It's possible we have a better discount
>> with Juniper than with Cisco, but I don't think that's the major difference.
>>
>> QFabric is basically the same a Nexus 5K/2K fabric extension on a much
>> larger scale. Just like you wouldn't generally build a data center using
>> only 5K/2K, you wouldn't build a data center with only QFabric. You want
>> the big beefy routers (7K or MX) to things like MPLS, L2 interconnects, etc.
>>
>>
>> On Thu, Jun 7, 2012 at 8:33 AM, Ronnie Angello <ronnie.angello_at_gmail.com>wrote:
>>
>>> I also hear that QF is an extremely expensive solution...
>>>
>>> Sent from my iPhone
>>>
>>> On Jun 7, 2012, at 9:29 AM, Ronnie Angello <ronnie.angello_at_gmail.com>
>>> wrote:
>>>
>>> > I don't know much about QFabric, other than next to no one has
>>> implemented it in production. I'm not even sure of what the use case would
>>> be. It's also a very proprietary solution... I don't know anything about
>>> the architecture of the underlying switches, so can't comment there. There
>>> are tons of blog posts out there that dive deeper into it than I care to go.
>>> >
>>> > Nexus is a proven, widely deployed architecture, and I can think of
>>> tons of use cases. There's FabricPath, which is a prestandard version of
>>> TRILL, but TRILL will be supported once standardized. Not to mention that
>>> the same platform does FCoE, MPLS, OTV, etc.
>>> >
>>> > Not sure what they're referring to about oversubscription. It depends
>>> on the configuration. There are some oversubscribed line cards, but you
>>> can now get up to 768 line rate 10GE ports with Fab 2s and F2 line cards.
>>> >
>>> > Ronnie
>>> >
>>> > Sent from my iPhone
>>> >
>>> > On Jun 7, 2012, at 8:59 AM, Jay McMickle <jay.mcmickle_at_yahoo.com>
>>> wrote:
>>> >
>>> >> We attended a Juniper lunch and learn yesterday. They were very
>>> insistent about not performing this type of over subscription. They were
>>> pushing QFabric, but they mentioned it on other other switches. For those
>>> that don't know me, I bleed Cisco, and I'm just trying to learn along the
>>> way, so don't judge me for the Juniper question!
>>> >>
>>> >> Anyone have an opinion on Juniper versus Cisco on the topic
>>> subscription and backplane (Nexus versus QFabric).
>>> >>
>>> >> If you don't know- don't speak. Granted this is a Cisco CCIE GS, but
>>> we should know what we're up against when speaking to customers.
>>> >>
>>> >> I've got Olive and learning along the way.
>>> >>
>>> >> Cheers!
>>> >>
>>> >> Regards,
>>> >> Jay McMickle- CCIE #35355 (R&S)
>>> >> Sent from iJay
>>> >>
>>> >> On Jun 7, 2012, at 3:51 AM, "Joseph L. Brunner" <
>>> joe_at_affirmedsystems.com> wrote:
>>> >>
>>> >>> Knowing Cisco's Nexus model - it will be a 100Gig transceiver
>>> connected to the backplane on 2 x 20Gb channels :)
>>> >>>
>>> >>> Or every 4 of them will share one 100Gbps backplane connection :)
>>> >>>
>>> >>> LOL
>>> >>>
>>> >>> -----Original Message-----
>>> >>> From: nobody_at_groupstudy.com [mailto:nobody_at_groupstudy.com] On
>>> Behalf Of Jazz Sunn
>>> >>> Sent: Wednesday, June 06, 2012 9:09 PM
>>> >>> To: Cisco certification
>>> >>> Subject: interface HundredGigE0/2/0/0
>>> >>>
>>> >>> https://imgur.com/a/6eIDp
>>> >>>
>>> >>> Awesome!
>>> >>>
>>> >>>
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Received on Fri Jun 08 2012 - 14:37:30 ART