Wireshark-users: Re: [Wireshark-users] packet from wired/wireless system??
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From: Guy Harris <guy@xxxxxxxxxxxx>
Date: Mon, 12 Oct 2009 14:10:55 -0700

On Oct 12, 2009, at 5:49 AM, biswas thapa wrote:
Is there anyway to find out via wireshark if the packet is initiated from a wired client(ethernet interface) a wireless client(wireless interface)??
There's no general way to find out whether a routed packet (such as an IP packet) that your machine received was originally sent over an Ethernet interface, a Wi-Fi interface, a GPRS/EDGE/HS*PA/EV-DO/... interface, an ATM interface, a PPP-over-a-dialup-line interface, etc.. All you know is the type of interface over which it's received, but somebody could have sent you a packet over an Ethernet interface and it might have been routed to you over a Wi-Fi interface, for example.