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.