tc-xt (8) Linux Manual Page

xt – tc iptables action

Synopsis

tc … action xt -j TARGET [ TARGET_OPTS ]

Description

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

Options

-j TARGET [ TARGET_OPTS ]

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

Examples

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

See Also

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