bandwidht monitor

[Scot L. Harris]

On Mon, 2005-11-21 at 13:02, Steven J Lamb wrote:
> I was wondering if any one has a program that can monitor bandwidth that is 
> designated to go to a certain IP or comes from a certain IP.
> 
> the setup I have is as follows. I have a server that acts as a router. It 
> has two Ethernet cards in it. one the in one the out and it connects to for 
> lack of a better explanation, a hub. the traffic that goes across this 
> router seems to spike at times that I am unable to monitor my server or 
> client machines. but I would like some sort of logged bandwidth monitor that 
> might send me nightly logs. does any one have a suggestions

You might try using ntop.  It provides very good reports on where
traffic is moving through that system.  It will even break it down by
protocol.