Gianfranco Delli Carri wrote: > Greetigs, > > seems that in a 2.4.25 kernel, with VLAN configured, if you try tu use CBQ disc on VLAN subIf no more traffic can be passed. (NO ARP, NO IP) > > Just after: > /sbin/tc qdisc add dev eth1.10 root handle 1 cbq bandwidth 100Mbit avpkt 1000 cell 8 > > traffic was dropped. > > Seems that in the same server enviroment the CBQ disc attached to the untagged interface can work without problems. Please try this patch. Dave, the txqueuelen=0 fix for pfifo_fast apparently didn't went in 2.4, this is the patch from 2.6, it applies with minor offset. Best regards Patrick