Re: Nexus in DC?

Thank you for explaining this! Like I said I always try to get the
customers to buy Cisco. Now I really have some descent arguments :-)

Like I said, the Nexus platform is pretty awesome, still needs some
time to grow, which it definitely will.

-- 
Regards,
Rick Mur
CCIE2 #21946 (R&S / Service Provider)
Sr. Support Engineer  IPexpert, Inc.
URL: http://www.IPexpert.com
On 1 sep 2009, at 15:54, Mike Kraus (mikraus) wrote:
> I think it is reasonable to assume that 7K FCoE support is on its way.
> But, this is the point, likely you will use the 2K/5K for server
> aggregation (with FCoE), and 7K for the data center core.  Do you  
> really
> want to use different vendors on your data center edge and core?   
> (Using
> 2K/5K at edge for FCoE and someone in the core?)
>
> With Cisco TrustSec, for 802.1AE support, it does require  
> infrastructure
> upgrades.  But, for the security group tag support, this is enabled in
> software with existing infrastructure (it's on its way).  Also,  
> TrustSec
> also encompasses device authentication.
>
> With spanning-tree, I'm not referring to multi-chassis etherchannel.
> Obviously, as you mentioned vPC allows you to build networks without
> spanning-tree, there are environments where spanning-tree makes sense.
> With bridge assurance, it essentially adds a hello timer with BPDUs.
> This allows you to detect unidirectional links within STP.  Also our
> Proposal and Agreement Handshakes ensures that switches agree upon the
> topology.  So, without those spanning-tree enhancements or vPC, you
> don't have a viable way to build high availability into your data  
> center
> without threatening the stability of your design.
>
> VDCs should really be looked at as well.  VDCs virtualize the control
> plane in addition to the forwarding planes (VRFs).
>
> But, I digress. Rick, you had stated "The only thing the EX8200  
> lacks is
> support for some sort of multi-chassis etherchannel", but the above  
> are
> examples of things, in addition to multi-chassis etherchannel, that  
> the
> EX8200 lacks.  The relevance of any particular feature is certainly
> dependent upon the customer environment.  So, am I saying that the  
> Nexus
> is superior in every way?  No.  But, I am saying there is much more  
> that
> sets them apart than multi-chassis etherchannel.
>
> Disclaimer:  The above opinion is my own, and not that of my employer.
>
>
> -----Original Message-----
> From: nobody_at_groupstudy.com [mailto:nobody_at_groupstudy.com] On Behalf  
> Of
> Rick Mur
> Sent: Monday, August 31, 2009 9:49 PM
> To: Tony Varriale
> Cc: ccielab_at_groupstudy.com
> Subject: Re: Nexus in DC?
>
> 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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