Personally I have a PCMCIA NIC installed in my laptop in addition to the onboard NIC. I have all the bindings removed from this 2nd NIC to stop Windows attempting to use it for networking. I use this 2nd NIC as a solely monitor interface. The leaves me able to still telnet etc from the other NIC, plus it stops me capturing packets that the PC is generating.
I use WireShark (what was Ethereal) and think this is an excellent piece of (free) software.
If you are sniffing VLAN Trunks or ports using Voice VLANs be careful with Intel & Broadcom drivers since they strip the VLAN tags off before passing the frames up the stack. Both have registry keys to disable this behaviour.
Hi everyone, I would like to thank you in advance for any help you can provide a newcomer like myself!
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