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Hi, I''m trying to get HTB working correctly on Centos4 (RHEL-based) with kernel 2.6.9-34.EL. I have two gigabit network interfaces bridged together and I have created the following: tc qdisc add dev eth2 root handle 1: htb default 1 r2q 8000 tc class add dev eth2 parent 1: classid 1:1 htb rate 100Mbit burst 24k cburst 24k (I have been trying different parameters). The network is

...eporting just >> under 8Mbits/sec. Has anyone got any suggestions for me to try? > > CentOS''s tc version(iproute2-ss040831) is known to have buggy rates(at > least > for htb). You have to multiply by 8 the rate value. > > You can use htb-stats[1] script made bye jjo ciarlante, it is bery usefull > to > see real-time htb class rates, this script has a (soft)fix for the bug in > CentOS and display htb rates correctly. > > [1] http://freshmeat.net/projects/htb-stats/ > -- > Luciano > > > ------------------------------ > > Message: 8 &gt...

After digging, strace´ing ... etc I found that the common error with eg.: # tc qdisc add dev eth0 handle ffff: ingress RTNETLINK answers: No such file or directory is due to *iproute2* tool default configuration (and most iproute precompiled packages) in addition to correct kernel setup. You must change in iproute2/Config: TC_CONFIG_DIFFSERV=y and recompile, etc