"Wingtung.Leung" wrote: > > On Thu, 28 Jun 2001, Alexandra Alvarado wrote: > > > 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? > > > > "Marek L. Kozak" wrote: > > > > > > Try this: > > > iptables -t mangle -A PREROUTING -t udp -j TOS --set-tos > > > Maximize-Throughput > > (Please quote correctly, and type your own text *beneath* the quoted text. > It makes the message much more readable.) > > First of all, I don't think setting TOS field will change behaviour of the > network queue, most routers just ignore that field. And even if it is used > on the local Linux router, I don't think Alexandra wanted a high > throughput for UDP traffic, but rather a low delay situation. > > Please try to describe in detail what you mean with "giving priority to > UDP traffic over TCP traffic", and what you want to achieve. > > The HOWTO gives an example for splitting bandwith with unbounded classes, > it might be good enough for your situation. Please try it first, and if it > is not what you wanted, give the problems with that setup. > > I'm not sure, but I don't think ipchains (kernel 2.2) supports setting the > TOS field. It doesn't matter, you don't really need a firewall marker, you > can also redirect the traffic using the general u32 filter. > > -- > GnuPG public key: http://www.keyserver.net > fingerprint = A3C4 DE50 712D 4FA8 C564 4D96 5E06 C9CC ECFA 19C5 > > _______________________________________________ > LARTC mailing list / LARTC@xxxxxxxxxxxxxxx > http://mailman.ds9a.nl/mailman/listinfo/lartc HOWTO: http://ds9a.nl/2.4Routing/ Hi, I'm Alexandra Well, as i say before, a i need that all traffic udp has priority over tcp traffic, because i have to improve the voice quility over internet, well now i'm upgrading to Red Hat 7.1 (kernel 2.4) to use TOS field, but my question is if this sentence: iptables -t mangle -A PREROUTING -p udp -j TOS --set-tos Maximize-Throughput works or not, and how can i verify it? Until know i use CBQ, but with cbq i only asign specific bandwith to my clients using ip address, but i don't know how to prioritize traffic udp over tcp but without limiting the bandwith using CBQ. Thanks A.A.A.A.B.
