Re: Nexus in DC?

From: Rick Mur <rmur_at_ipexpert.com>
Date: Tue, 1 Sep 2009 04:49:23 +0200

Please explain, I think I don't get it ;-)

--
Regards,
Rick Mur
CCIE2 #21946 (R&S / Service Provider)
Sr. Support Engineer  IPexpert, Inc.
URL: http://www.IPexpert.com
On Tue, Sep 1, 2009 at 3:22 AM, Tony Varriale
<tvarriale_at_flamboyaninc.com>wrote:
> Some people get it and some don't.  Some people never will.
>
> Sent from my iPhone
>
>
> On Aug 31, 2009, at 4:20 PM, Rick Mur <rmur_at_ipexpert.com> wrote:
>
>  Does the Nexus 7k support FCoE or fibre channel?
>> The 7k is nothing more than a big 10G switch.
>>
>> The 5k is a totally different story and I definitely see the use of that
>> one. This is a fantastic switch, bringing 2 worlds together as it should
be,
>> reducing cabling and introducing an entire new generation of switches and
>> network designs.
>>
>> As for Cisco TrustSec, great feature, but you have to replace your entire
>> network you use it, still it's an evolvement of network designs. I kind of
>> miss the spanning-tree enhancements? Do you mean multi-chassis
etherchannels
>> to create a loop-free topology? This is something that is an awesome
>> technique, this is where Juniper lacks, but it's in the pipeline.
>>
>> I personally think the Nexus product line is placed too tight, it can only
>> be used for a single purpose on one place in the network, but I still see
>> all the advantages and I would love seeing it evolve and become mature.
>>
>> (btw. Juniper EX4200 vs Cat 3750E, the Juniper is a lot cheaper when you
>> use 10G uplinks in a LAN design)
>>
>> P.S. It doesn't hurt to be critical right? ;-) No offense! I always prefer
>> Cisco, but sometimes it's good to take a step back and see all from a
>> different perspective.
>>
>>
>> --
>> Regards,
>>
>> Rick Mur
>> CCIE2 #21946 (R&S / Service Provider)
>> Sr. Support Engineer   IPexpert, Inc.
>> URL: http://www.IPexpert.com
>>
>> On 31 aug 2009, at 17:43, Mike Kraus (mikraus) wrote:
>>
>>  What about FCoE?  The Juniper EX series is good for customers wanting
>>> high performance/cost using yesterday's design, which incurs multiple
>>> chassis (Ethernet & fibre channel), additional cabling/power costs, and
>>> a strict top of rack or end of row design (where reality requires both
>>> in data centers today).
>>>
>>> If you are looking at the Nexus series as a big 10G switch, you're
>>> missing the point of the Nexus product line.
>>>
>>> -----Original Message-----
>>> From: nobody_at_groupstudy.com [mailto:nobody_at_groupstudy.com] On Behalf Of
>>> Rick Mur
>>> Sent: Monday, August 31, 2009 3:23 AM
>>> To: Tony Varriale
>>> Cc: ccielab_at_groupstudy.com
>>> Subject: Re: Nexus in DC?
>>>
>>> I know you can enable 'performance mode' so the linecard shuts down 24
>>> ports of the linecard.
>>> Why can't the EX compete to the Nexus? The performance is quite the same
>>> if not better as the Nexus line and totally owns the Cat6500 in terms of
>>> performance. Still the Cat wins it on service modules and the vast
>>> amount of line cards.
>>> And btw. the EX8200 already has 320Gbps backplane connection for all
>>> linecards while the Nexus gets support for 230Gbps linecards end of the
>>> year and I don't even want to know when they start thinking of 500Gbps
>>> to finally offer true non-blocking 32-port 10Gbps linecards :-) The only
>>> thing the EX8200 lacks is support for some sort of multi-chassis
>>> etherchannel, this is on the roadmap to be released soon though.
>>>
>>> --
>>>
>>> Regards,
>>>
>>> Rick Mur
>>> CCIE2 #21946 (R&S / Service Provider)
>>> Sr. Support Engineer   IPexpert, Inc.
>>> URL: http://www.IPexpert.com
>>>
>>>
>>> On Mon, Aug 31, 2009 at 3:47 AM, Tony Varriale
>>> <tvarriale_at_flamboyaninc.com>wrote:
>>>
>>>  Ok.you didn't say anything about the n7k in your message.
>>>>
>>>>
>>>>
>>>> The n7k 10gig card can be "non-blocking".even thought that isn't the
>>>> correct terminology.
>>>>
>>>>
>>>>
>>>> Also, the v2 cards are coming out next year which will address the 10g
>>>>
>>>
>>>  card oversub issue.
>>>>
>>>>
>>>>
>>>> The EX series doesn't really compete with the Nexus line.  It's more
>>>> of a competitor to the 6500s/ME6500s.  When the new Cisco Sup comes
>>>> out it will match the 10gig per slot capabilities.  The EX is more of
>>>> just straight 10GE enterprise or SP.
>>>>
>>>>
>>>>
>>>> tv
>>>>
>>>>
>>>>
>>>> From: Rick Mur [mailto:rmur_at_ipexpert.com]
>>>> Sent: Sunday, August 30, 2009 5:46 PM
>>>> To: Tony Varriale
>>>> Cc: ccielab_at_groupstudy.com
>>>> Subject: Re: Nexus in DC?
>>>>
>>>>
>>>>
>>>> The Nexus 7k. Of the 32-port 10GE linecard, you can only use 8
>>>> specifically marked ports if you want the full non-blocking 10GE due
>>>> to the backplane connection. End 2009 they will release a linecard
>>>> with 230Gbps backplane connection, so that should give a little better
>>>>
>>> port-density vs.
>>>
>>>> performance. Also the Cat6500 is oversubscribed as it also has a
>>>> 40Gbps backplane connection and you can buy 8-port 10GE linecards and
>>>> 48-port 1GE ones.
>>>>
>>>>
>>>>
>>>> So I really like the non-blocking idea of the Juniper EX8200, great
>>>> selling point :-)
>>>>
>>>>
>>>> --
>>>>
>>>> Regards,
>>>>
>>>> Rick Mur
>>>> CCIE2 #21946 (R&S / Service Provider)
>>>> Sr. Support Engineer - IPexpert, Inc.
>>>> URL: http://www.IPexpert.com
>>>>
>>>>
>>>>
>>>> On Mon, Aug 31, 2009 at 12:34 AM, Tony Varriale <
>>>> tvarriale_at_flamboyaninc.com>
>>>> wrote:
>>>>
>>>> Which Cisco product are you referring to that is oversubbed?
>>>>
>>>> Sent from my iPhone
>>>>
>>>>
>>>>
>>>> On Aug 30, 2009, at 5:09 PM, Rick Mur <rmur_at_ipexpert.com> wrote:
>>>>
>>>> I will be installing the first UCS chassis' in the Netherlands within
>>>> the next month, of course with the UCS6k (Tweaked Nexus 5k). I also
>>>> implemented one of the first Nexus 5k's in NL last March :-) So yes
>>>> cool stuff! Still needs some time to get mature in terms of hardware
>>>> and software.
>>>> Juniper actually has a better DC switch with their EX8200 (totally
>>>> non-blocking), much cheaper for the same amount of bandwidth (not port
>>>>
>>>
>>>  density, but the Juniper is NOT oversubscribed).
>>>>
>>>> --
>>>>
>>>> Regards,
>>>>
>>>> Rick Mur
>>>> CCIE2 #21946 (R&S / Service Provider)
>>>> Sr. Support Engineer   IPexpert, Inc.
>>>> URL: http://www.IPexpert.com
>>>>
>>>>
>>>> On Sun, Aug 30, 2009 at 9:07 PM, Ronald Johns <rj686b_at_att.com> wrote:
>>>>
>>>> We're doing Nexus as well.  In fact, we're likely ordering everything
>>>> tomorrow.  Keep in mind, there's a limit to 12 FEX's to a 5000
>>>> cluster, or at least that's what they tell me.  They screwed up our
>>>> first quote because our SE didn't look into this...
>>>>
>>>> -----Original Message-----
>>>> From: nobody_at_groupstudy.com [mailto:nobody_at_groupstudy.com] On Behalf
>>>> Of Omkar Tambalkar
>>>> Sent: Thursday, August 27, 2009 5:12 PM
>>>> To: Cisco certification
>>>> Subject: Re: Nexus in DC?
>>>>
>>>> We are also rolling out the NX 7010 and 5020 in the next couple of
>>>> months as part of our datacenter network upgrade. I am planning to use
>>>>
>>>
>>>  vPCs from the 5020 to 7010 but as we are using 2 VDCs there will be
>>>> vPC for each VDC translating to 4 10g coming out of each 5020. I am
>>>> sure we will have to get a extra 32 port 10g card with 8 ports
>>>> dedicated for line speed for these cross connects. Not to mention you
>>>> need 1 keep-alive and 1 cross-connect for each VDC.
>>>> It seems that the 7010 can do lot of service aggregation using the
>>>> ACE, WAAS modules but we just want to consolidate our aggregation
>>>> switches in to single set of chasiss.
>>>> On top of that in a few months time, we have provide active-active
>>>> datacenter functionality with a set of NX 7010 at each datacenter so
>>>> that traffic can be load balanced.
>>>> And the training was a 4-day Firefly course...which was fairly basic
>>>> in terms of depth and breadth of material covered Fun times.......
>>>>
>>>> -Omkar Tambalkar
>>>> CCIE #24892
>>>>
>>>> On Wed, Aug 26, 2009 at 7:23 AM, Tony Varriale
>>>> <tvarriale_at_flamboyaninc.com>wrote:
>>>>
>>>> Yup.
>>>>
>>>> If this is your first experience with any of those platforms I
>>>> guarantee you are going to run into something not so pleasant.
>>>>
>>>> tv
>>>>
>>>> -----Original Message-----
>>>> From: nobody_at_groupstudy.com [mailto:nobody_at_groupstudy.com] On Behalf
>>>> Of Marc La Porte
>>>> Sent: Wednesday, August 26, 2009 3:27 AM
>>>> To: Cisco certification
>>>> Subject: Nexus in DC?
>>>>
>>>> Hey guys,
>>>>
>>>> Any of you already having practical experience with big Nexus
>>>> roll-outs
>>>>
>>>> in
>>>>
>>>> Data Centers? Running into any "problems"?
>>>>
>>>> For a customer we are planning to deploy 5020 end-of-row switches with
>>>>
>>>
>>>  2148T top-of-rack switches, aggregated in 7018s fully loaded with
>>>> 32-port
>>>>
>>>> 10-Gbps
>>>>
>>>> blades. Just to give you an idea, the complete data center would be
>>>>
>>>> around
>>>>
>>>> 256 rows (30,000 ports)...
>>>>
>>>> Cheers,
>>>> Marc
>>>>
>>>>
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Received on Tue Sep 01 2009 - 04:49:23 ART

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