Wireshark-users: [Wireshark-users] Sniffing Multiple Interfaces
From: Will <[email protected]>
Date: Sat, 23 Oct 2010 03:04:35 -0500 (CDT)
I would like to request a feature enhancement on Wireshark:  in 
the Interfaces dialog, could you allow selection of multiple 
interfaces, so that we can scan more than one at the same time, 
inside a single viewing window?

Particularly on a firewall or router, there is often a situation 
like a spoof where you are not sure exactly which interface is 
involved, and you need to scan more than one at the same time.   I 
know you can start multiple instances of Wireshark, but this 
becomes very very inconvenient when needing to observe more than 
about three interfaces at the same time.