how to get bytes/minute chart?

[Amar Zumkhawala <zumkhawa@cis.ohio-state.edu>]

> To: iptraf-users@seul.org 
> Subject: how to get bytes/minute chart?
> 
> Hi,
> 
>     My goal is to monitor traffic over time on a five computer test
> bed.  These computers are running linux or windows, and are in a star
> formation, with the kde linux computer in the center acting as a router
> between the two hubs, with each hub connecting two computers.  What's
> the best tool to use to get bytes/minute over a two hour span between
> computers connected via a linux router?  Can I somehow get IPTraf to get
> me a succinct, timestamped logfile with bytes/minute?
> 
>     The application for this is to stream video for from one side of the
> 
> router to another, from S to C.  All computers are linked via ethernet
> and have private network 192.168.* address.  The router R has two
> ethernet cards.  B & A will be sending data to each other simply to hog
> bandwidth with a simple program I wrote; we are interested in how the S
> to C video tream is affected from a bytes/minute standpoint.  B & A will
> 
> communicate via TCP, S & C will use TCP & UDP.
> 
> Topology
> -------
> 192.168.3.* ip's
> 
> C       B
>  |     |
>  \     /
>    hub
>     |
>     R
>     |
>    hub
>  /     \
>  |     |
> S       A
> 
> 192.168.2.* ip's
> 
>     I don't have OCxCom interface cards.  This is all ethernet.  The end
> goal is to have a pretty graph that charts two lines, one with
> bytes/minute between C to S, the other with bytes/minute between B to A.
> 
>     Thanks you very much for taking the time to respond.
> 
> -Amar
>