[c-nsp] TCP behavior under strict CAR rate-limiting

[Antonio Querubin]

On Thu, 19 Jun 2008, Christopher Hunt wrote:

> Sorry,
> The rate-limit statement that results in 0.2mbps throughput is:
> rate-limit input 10000000 5000 5000 conform-action transmit exceed-action 
> drop

Those burst values appear to be far below the recommended values for most 
cases.  See the following:

http://www.cisco.com/en/US/docs/ios/12_2/qos/command/reference/qrfcmd8.html

In your case, if your target rate-limit is 10000000, then 1875000 and 
3750000 are what you probably should be using for the burst.


Antonio Querubin
whois:  AQ7-ARIN