Hi,

I am in the process of changing my IP address over and at the moment I have two IP addresses maped to an interface (eth0 & eth0:1).

I am pretty sure that I have moved everything over to the new IP address now but I would like to double check and so I would like to see how much data is being sent through each IP address.

Unfortunately ifconfig and /proc/net/dev both lump the IP addresses together and just report on eth0 as a whole :-/ Is there anything I can use to see this data seperately?

Thank you in advance.

Dan

iptraf will do what you want.

Thank you, I haven't seen iptraf before, looks interesting!

For the archives I have actually just found another way by using ipchains but it actually works rather well! If you set a separate ipchains rule for each IP address then you can see how much data matches each rule.

E.g. If you have three IP addresses on one interface (12.12.12.12 , 45.45.45.45 & 78.78.78.78 all on eth0) you can add the following rules to ipchains...

/sbin/ipchains -A input -d 12.12.12.12
/sbin/ipchains -A input -d 45.45.45.45
/sbin/ipchains -A input -d 78.78.78.78
/sbin/ipchains -A output -s 12.12.12.12
/sbin/ipchains -A output -s 45.45.45.45
/sbin/ipchains -A output -s 78.78.78.78

... these rules don't block traffic but you can now use the commands...

/sbin/ipchains -vxnL input
/sbin/ipchains -vxnL output

... which shows the bytes (second column) that match those rules. You can even grep this output into mrtg to graph the usage of each IP :-)