1 :PREROUTING,INPUT,FORWARD,OUTPUT,POSTROUTING 2 *mangle 3 -j DSCP --set-dscp 0;=;OK 4 -j DSCP --set-dscp 0x3f;=;OK 5 -j DSCP --set-dscp -1;;FAIL 6 -j DSCP --set-dscp 0x40;;FAIL 7 -j DSCP --set-dscp 0x3f --set-dscp-class CS0;;FAIL 8 -j DSCP --set-dscp-class CS0;-j DSCP --set-dscp 0x00;OK 9 -j DSCP --set-dscp-class BE;-j DSCP --set-dscp 0x00;OK 10 -j DSCP --set-dscp-class EF;-j DSCP --set-dscp 0x2e;OK 11 -j DSCP;;FAIL 12