Signed-off-by: Phil Sutter <p...@nwl.cc> --- man/man8/tc-csum.8 | 15 +++++++++++++++ 1 file changed, 15 insertions(+)
diff --git a/man/man8/tc-csum.8 b/man/man8/tc-csum.8 index 9d00aae346af0..3a64c82f09ba8 100644 --- a/man/man8/tc-csum.8 +++ b/man/man8/tc-csum.8 @@ -49,6 +49,21 @@ UDPLite header .TP .B SWEETS These are merely syntactic sugar and ignored internally. +.SH EXAMPLES +The following performs stateless NAT for incoming packets from 192.168.1.100 to +new destination 18.52.86.120 (0x12345678 in hex). Assuming these are UDP +packets, both IP and UDP checksums have to be recalculated: + +.RS +.EX +# tc qdisc add dev eth0 ingress handle ffff: +# tc filter add eth0 prio 1 protocol ip parent ffff: \\ + u32 match ip src 192.168.1.100/32 flowid :1 \\ + action pedit munge ip dst set 0x12345678 pipe \\ + csum ip and udp +.EE +.RE + .SH SEE ALSO .BR tc (8), .BR tc-pedit (8) -- 2.7.2
