Quote:
Originally Posted by ephemera
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+1
arpwatch is a really handy (passive) layer 2 sniffer that can help identify network problems.
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I'd also add to all this:
Quote:
Originally Posted by rex
But the devices are assigned static IP but the people in charge of those devices keep on changing the IP.
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This is the
real problem. The network needs to be better managed, IMO. We don't call one another up and say "hey, can I get your MAC address?" for network communication purposes. There should be a coherent network design and a better change control process in place.