Hi all, I am using linux box as router. Every ip packet which enters the box is forwarded to some ip address. I have iptables rules which performs this task. My question is how can I find out the duration ip packet took to go out of the box. Basically I need time difference when the packet entered the box and the time it left the box. I want to monitor the latency. If it crosses some threshold value, I may have to notify. Since the packets are switched at the kernel level, I am not sure how to get this information. I would appreciate if someone can point me to the right direction. Thanks in advance. MF
