Hi all, Does anybody know that the function of ifb in xen remus project? I can not understand why remus network buffering needs ifb device. In new xen and linux version, the kernel qdisc module sch_plug provides the network buffering. If a virtual machine - eg domain id is 1. In domain0, vif is vif1.0(tc qdisc add dev vif1.0 root plug). Why not directly use the plug qdisc on this vif1.0. Remus needs to use ifb device. The packets of vif1.0 needs to redirect to ifb0. ip link set ifb0 up tc qdisc add dev ifb0 root plug tc qdisc add dev vif1.0 ingress tc filter add dev vif1.0 parent ffff: proto ip pref 10 u32 match u32 0 0 action mirred egress redirect dev ifb0 _______________________________________________ Xen-users mailing list Xen-users@lists.xen.org http://lists.xen.org/xen-users