[CentOS] Data consumption (external connections only)

On Sun, Feb 26, 2012 at 02:21:09PM -0600, Frank Cox wrote:
> It looks like it does pretty much the same thing as several other monitoring
> tools that I've looked at.  However, none of them separate local traffic from
> external traffic.

check out http://bandwidthd.sourceforge.net/  -  It only supports IPv4,
but it's pretty convenient, as you can define what 'local' and 'external'
means by IP address.