[c-nsp] PAT usage stats...

Rodney Dunn rodunn at cisco.com
Mon Sep 14 09:38:39 EDT 2009


Good data point.

Rodney



Kaegler, Mike wrote:
> Right now at one ~400 person site, I have 187 active local IPs sharing 1487
> still-alive connections. Its your regular everyday sales cubefarm.
> That's just shy of an average of 8 translations per active user. By those
> numbers, you could have 8,000 salespeople on one PAT.
> 
> Personally, I'd cut it faaaaar before that. 800-1000 active, tops. Its not
> "expensive" to start a second pool, and you never know when a sites deadline
> for online sexual harassment training will be until 4:40pm when the phone
> starts ringing...
> -porkchop
> 
> 
> On 9/10/09 2:41 PM, "Rodney Dunn" <rodunn at cisco.com> wrote:
> 
>> Curious...those of you running PAT for NAT, what is the average
>> "translations per user" number you see active to determine the address
>> pool given to PAT to overload on?
>>
>> 100 active per user at any give time, 50, ?
>>
>> Rodney
>>
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