Re: htb + prio trouble (additional info)

[Andrew Beverley <andy@andybev.com>]

On Sun, 2011-11-20 at 13:10 -0600, Lloyd Standish wrote:
> On Sun, 20 Nov 2011 12:44:46 -0600, Lloyd Standish <lloyd@crnatural.net> wrote:
> 
> > Hello All,
> >
> > While configuring a load-balancing router, I have run into trouble setting up traffic shaping (at least the load-balancing is working!)
> >
> > I am trying to:
> > (1) limit total upload speed to somewhat below the interface bandwidth
> > (2) do some traffic shaping, particularly avoid queuing of VOIP packets.
> >
> > To accomplish this I am trying to create a HTB qdisc on each outward-facing interface, each containing a PRIO qdisc with the default 3 classes.  sfq qdiscs are created for each PRIO class.
> 
> PS I should point out that in this case VOIP and DNS traffic should
>  always have priority, even at the expense of some bandwidth and/or
>  hurting other flows.

In which case the prio qdisc is the right choice.

>  I will look for better ways to filter for VOIP traffic

You might want to look at one of the traffic classifier projects such as
opendpi or l7-filter. You could maybe set a mark value and match that
using a tc filter with the "handle" parameter.

Andy