[c-nsp] sup2t -- where the deets' at?

Lincoln Dale ltd at cisco.com
Sun May 30 01:23:39 EDT 2010


On 30/05/2010, at 6:59 AM, Justin M. Streiner wrote:
> Having just recently muscled a Nexus 7k into a rack (not fun, btw) I've been noticing an increasing trend of manufacturers not taking typical rack dimensions (particularly depth) into account when designing new products. The 7k is about 38" deep, not including clearance at the back for power cables.  Many of the Nexus 5k units are also ridiculously deep.  I have many places on my network where my cabinets aren't deep enough to take a 7k without leaving the doors off or putting in deeper cabinets.... *grumble*
> 
> In that regard, Cisco seems to be suffering from what I will refer to as "the Dell disease" :)

the intent with N7010 was to have front-to-back cooling with the fabrics and PSUs in the rear as it left the front entirely for the data cabling.
there was also a desire from a h/w development standpoint to use common equipment (e.g. PSUs) across the N7K portfolio range.
PSUs and fabrics in the rear drove the depth of N7010.

from a design standpoint what would you prefer?
 - less common equipment across different chassis sizes,
 - a switch that is 4RU or 5RU higher?
   (think about the size of the PSU, would you be prepared to have another 4RU or 5RU on the overall size of the switch?)

we know that some folks want to be able to use it in environments without that depth and on two-post racks too.
talk to your cisco account team about what options exist.

in either case agree its not fun installing one on your own. :)


cheers,

lincoln.





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