[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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