1 :FORWARD,OUTPUT,POSTROUTING 2 *mangle 3 -j CLASSIFY --set-class 0000:ffff;=;OK 4 # maximum handle accepted by tc is 0xffff 5 # ERROR : should fail: iptables -A FORWARD -t mangle -j CLASSIFY --set-class 0000:ffffffff 6 # -j CLASSIFY --set-class 0000:ffffffff;;FAIL 7 # ERROR: should fail: iptables -A FORWARD -t mangle -j CLASSIFY --set-class 1:-1 8 # -j CLASSIFY --set-class 1:-1;;FAIL 9 -j CLASSIFY;;FAIL 10