[NSP] Maximum High Speed Interfaces on 3640

jlewis at lewis.org jlewis at lewis.org
Tue Feb 17 00:22:18 EST 2004

On Mon, 16 Feb 2004, Alex Foster wrote:

> and its pretty dire throughput.  I appreciate the module is not designed
> to operate at wire speed by the most I have got out of one module is
> around 45 to 50 Mbps. Any tips/advise would be appreciated.  Again cisco
> claim you can achieve upto 80Mbps throughput with larger packet size -
> excuse my ignorance here - is this achieved by increasing the MTU on the
> ATM interface/sub-interface??

Do they claim the ATM OC3 module can do 80Mbps, or that it can do that in 
a 3640?  The 3640 isn't the top of the 3600 line anymore.  If they claim 
it'll do 80 in the 3640, I'd say you'd have to launch pigs from a cannon 
to see it in real life.  I've watched 3640s run out of gas under much 
lighter loads.
 Jon Lewis *jlewis at lewis.org*|  I route
 Senior Network Engineer     |  therefore you are
 Atlantic Net                |  
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