At 10:12 PM -0800 12/13/2010, Jeffrey Engle wrote:
On Dec 13, 2010, at 10:03 PM, Dan wrote:
> At 8:20 PM -0800 12/13/2010, Jeffrey Engle wrote:
I there a way that I can easily monitor my network traffic on my
home LAN preferably without using the terminal? with a 3rd party
software?
Define "monitor"... Do you mean general throughput or packet sniffing?
To/from your computer or on your entire LAN?
Yes, to/from on the entire LAN...
Ok. As Clark indicated, there is a segmenting problem. Unless
you're using 10 Mb hubs, each client (computer, printer, etc - thing
plugged into the network) on the LAN sees only the ethernet traffic
specifically addressed to it (ethernet is pretty smart that way!).
This is because the switches do intelligent routing, at the physical
ethernet link level. Wi-fi is a bit different as there are no
switches involved - but an interface can only "sniff" packets in a
single channel.
If your network has a "choke point", you could perhaps monitor
traffic there. eg: At the router that connects to your ISP. But
still, because of any ethernet switches you have, that will only let
you see the traffic to/from your ISP. Traffic sent directly between
clients won't be seen as it never goes thru the router.
What is the purpose of all this? Exactly what do you want to accomplish?
- Dan.
--
- Psychoceramic Emeritus; South Jersey, USA, Earth.
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