Thanks for answer to me, but: I have Red Hat 7.0 with kernel 2.2.16-22, and it doesn't support "mangle" options, how can i do the same "Priotizing udp traffic over tcp but without Shaping the Bandwith" with ipchains and cbq or only cbq? Thanks A.A.A.A.B. "Marek L. Kozak" wrote: > > Alexandra Alvarado wrote: > > Hello, > > > But now I don't want control the Bandwith, i only need prioritize udp > > trafic over tcp trafic > Try this: > iptables -t mangle -A PREROUTING -t udp -j TOS --set-tos > Maximize-Throughput > -- > Regards, > Marek L. Kozak