Manpages - tc-xt.8

xt - tc iptables action

tc … action xt -j TARGET [ TARGET_OPTS ]

The xt action allows to call arbitrary iptables targets for packets matching the filter this action is attached to.

*-j*/ TARGET [/ TARGET_OPTS ]

Perform a jump to the given iptables target, optionally passing any target specific options in TARGET_OPTS.

The following will attach a u32 filter to the ingress qdisc matching ICMP replies and using the xt action to make the kernel yell ’PONG’ each time:

    tc qdisc add dev eth0 ingress
    tc filter add dev eth0 parent ffff: proto ip u32 \
    	match ip protocol 1 0xff \
    	match ip icmp_type 0 0xff \
    	action xt -j LOG --log-prefix PONG

*tc*(8), *tc-u32*(8), *iptables-extensions*(8)