[c-nsp] Supervisor 32 Compact Flash

Peter Salanki peter.salanki at bahnhof.net
Thu Aug 10 15:02:35 EDT 2006


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I concur, the same applies to control-plane speed, the foundry loads  
a full table in seconds, while on sup720 it is measured in minutes.  
Is it so hard to find a decent processor, just put an socket on the  
sup, and I could by an AMD Opteron for it myself.

10 aug 2006 kl. 20.56 skrev Jared Mauch:

> On Thu, Aug 10, 2006 at 02:47:47PM -0400, Richard A Steenbergen wrote:
>> On Thu, Aug 10, 2006 at 01:45:29PM -0400, Jared Mauch wrote:
>>> 	I just don't understand how cisco can't size flash for
>>> their platforms to be 1 x physical ram + 2*image_size at minimum so
>>> you can dump core :)
>>
>> Because then they couldn't sell the CF at 50x markup without it  
>> costing
>> more than the interface cards? :)
>>
>>> 	the fact you can't order 1G+ cards from cisco is kinda
>>> frustrating.
>>
>> The slow speed at which the CF's are accessed is far more  
>> annoying. These
>> boxes take too long to boot at it is, without trying to write a 1GB
>> coredump to the flash.
>>
>> The lastest results from people who've tried the internal flash  
>> upgrade to
>> sup-bootdisk (which is really just a CF with an adapter) are that  
>> it still
>> only reads at 1MB/s (the same as every variety of external CF).  
>> For some
>> reason, the native internal flash in stock 64mb sup720s seem to do  
>> 2MB/s.
>
> 	Yes, we used the sup-bootflash as primary for a lot of things.
>
> 	We get around 300K(byte)/second.  For a 95m image, how
> long does that take to copy?  This is a sorely missed space at
> cisco.  I've spent time trying to talk to both Juniper and Cisco about
> boot time and it seems to be variablly lost.  I like the foundry boot
> times, they're quick.  I'd like that to be the standard used for
> my SUP/Route Processor/RE.
>
> 	- Jared
>
> -- 
> Jared Mauch  | pgp key available via finger from jared at puck.nether.net
> clue++;      | http://puck.nether.net/~jared/  My statements are  
> only mine.
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Sincerely

Peter Salanki
Chief Network Engineer
Bahnhof AB (AS8473)
www.bahnhof.se
Office: +46855577132
Cell: +46709174932


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