[CentOS] Data consumption (external connections only)

Sun Feb 26 20:11:15 UTC 2012
Ljubomir Ljubojevic <office at plnet.rs>

On 02/25/2012 12:34 AM, Frank Cox wrote:
> On Fri, 24 Feb 2012 17:23:31 -0600
> I have a small network with two cheap dlink routers on it, one attached to a
> cable modem and the other to a DSL modem.  I route certain data through the
> cable modem, and everything else goes through the DSL.
> However, on the computers only have eth0 and I just use route commands on the
> individual computers to sort out what I want to go out through each modem.  My
> default gateway is and I custom route certain traffic through
> Ultimately, I have three kinds of traffic that I'm interested in counting from
> each computer on my network: internal traffic, from one computer to another
> (from 192.168.0.x to 192.168.0.y); external traffic through;
> external traffic through  I would like to look at a report on
> each of my computers and find out how much data each one has sent and received
> during the period in each of those categories.

Can this help? I think friend of mine wrote it, Nenad Opsenica, some 6-7 
years ago, I don't think he will mind:


Use it as "if-kbps eth0" and brake with Ctrl+C.


Ljubomir Ljubojevic
(Love is in the Air)
PL Computers
Serbia, Europe

Google is the Mother, Google is the Father, and traceroute is your
trusty Spiderman...
StarOS, Mikrotik and CentOS/RHEL/Linux consultant