[Serusers] QoS with rtp

[Nils Ohlmeier]

Easiest solution: buy phones which have QoS tagging build in.
Second easiest solution: but your phones into a dedicated sub-network. Then it 
is easy to identify phone traffic according to the IP.

Regards
  NO

On Wednesday 11 May 2005 20:48, Lucas Aimaretto wrote:
> Hi all,
>
> I've used for long time the QoS capabilities of linux for
> shaping/prioritizing traffic. Now, i'm willing to prioritize rtp packets
> in my lan, over the rest ot packets. I've used the u32 filters, but I
> did not really found a nice way of "matching" a rtp packet. I read the
> rfc so as to look at the rtp-header and found that the only field wich
> does not change its value along time is the version-field. It is located
> at the 29th byte ( with byte 0 at the IP heder first byte ). But it is a
> really poor way of doing it, because there may be many other packets
> wich will "get caugth" by this rule ...
>
> any ideas ? any experience in the subject ...
>
> Regards,
>
> Lucas