If you connect two endpoints to a hub the anything across that hub can be looked at by wireshark. And some things are broadcast in general to all tcpip devices. Also If you have your hub/sniffing machine between your network and gateway it will see all traffic.
All,
thanks for various replies. I will definitely check out wireshark. However, it was pointed out that wireshark can only sniff on the host it is installed on.
That will be ok for some of my needs. However, I want to be able to view what some of the "applicances" on my home network are sending outbound. These would be things such as my kids Xbox, the smart TV and a few other such devices where I would be unable to load an application such as wireshark onto.
I was poking around my router's interface, but it doesn't really have what I'm looking for.
Is there a way to sniff the data from all hosts on my network ?
Peter
On 11/21/2013 1:00 PM, Mike Bushroe wrote:
MikeWireshark, definitely. We use it extensively in our lab for testing firmware changes and problem reports on the International Space Station LAN. work great for catching individual packets and analyzing them layer by layer, protocol by protocol, tracing back and forth traffic of protocol handshaking, and just plain overall bandwidth. However, it will only record the traffic on the wire(s) it is connected to. To see other parts of the system, you either need to run multiple copies of Wireshark, or find something else that puts an agent on other machines to watch traffic in other parts of the net.Our main switch is just a small embedded PPC, and does not have the RAM or Flash to run Wireshark, and probably not the speed also. But some switch/routers might be able to and then you could see traffic on any of the lines connected to it.
--
"Creativity is intelligence having fun." — Albert Einstein
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