iptraf
If you run this on the VNC server then you will see the bandwidth it
is transferring to/from each MAC address on the network. Of coures
you can also use it on a SPAN port (mirror port) on a managed switch as well.
At 03:15 PM 11/13/2006, you wrote:
I'm still working on getting VNC running for the 35 or so students
in my class so that they can see what is going on at the teacher's
computer. I'd like to find out how much of an impact VNC is having
on the LAN. Is there an easy way to monitor the traffic on the LAN
and see what fraction of the bandwidth is being soaked up by VNC? I
suppose I could use snort and maybe look for a tool that would pry
that info out of the data snort collects, but I'm hoping somebody
knows a tools that is designed especially for this.
Thanks, George
Background: I looked for a version of VNC that uses multicast or
even UDP for read-only sessions. There was some work done on that a
few years ago, but it seems to have been dropped. I don't know if
it was dropped because of lack of interest, because it was a Bad
Idea, or maybe just because most everybody's networks are fast
enough so that it is not an issue.
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