Bursty data transfer with Dummynet

[Matthew McGehrin]

Your queue is too large, 500K is a lot. The default is 50 slots.  100 
slots usually works well as well.

I would try first:
ipfw pipe 1 config bw 500k

-- Matthew

Ahmed Hamza wrote:
> Thanks Julian and Matthew for your replies. To clarify my settings,
> below are the outputs from 'ipfw show' and 'ipfw pipe show'. I should
> also mention that it seems the by default the Ubuntu kernel is
> configured for 250Hz, not 1000Hz.
>
> root at vm1:~/# ipfw pipe 1 config bw 500Kbit/s queue 500Kbyte
>
>
>