Wireshark is a must-have (and free) network protocol analyzer for any security professional or systems administrator. It's like Jaws, only for packets. Wireshark is the world’s leading network traffic ...

Wireshark has some tips on capturing raw frames with VLAN tags (if any) intact. Depending on what is plugged into the port in question, and the interface you are 'capturing on' you may not see tags ...

I can easily enough get into the switch and setup a VLAN with several ports, and I think I'm doing everything correctly in pfSense to get that VLAN up and running, but nothing is working. Is there a ...