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.
On Nov 22, 2013 8:31 AM, "AZ Pete" <
plug@cactusfamily.com> wrote:
> 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:
>
> Wireshark, 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.
>
> Mike
>
> --
> "Creativity is intelligence having fun." — Albert Einstein
>
>
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