Re: Problem to priorize SSH traffic

Alan Goodman wrote:
> Hi,
>
> The obvious issue at present is that your upload rate isnt hitting
> the ceiling rate you have specified, or at least the rate estimator
> doesnt think it is.  This could be because you've set your upload
> incorrectly (what is your sync speed) or could be because you are not
> accounting for the overheads and ATM characteristics in your
> connection (makes the rate estimator inaccurate).
>
> You should try adding stab overhead 40 linklayer atm to your root
> qdisc.
>
> The overhead 40 bit will be whatever number
> https://github.com/moeller0/ATM_overhead_detector figures out for
> you.

Just in case that just reveals the fixed overhead on IP, on eth tc sees
ip + 14 already, so you can subtract 14, which for ipoa or pppoa vcmux
means you should use a negative overhead.