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

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!
>> >>>
>> >>>
>> >>> Blogs and organic groups at http://www.ccie.net
>> >>>
>> >>>
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Received on Fri Jun 08 2012 - 10:42:31 ART