When I run Wireshark (1.4.2) I never see any packets on my LAN, I just get packet after packet of unknown protocol where WTAP_ENCAP=1. I am connected to a Cisco 2950 Cat switch.
I tried capturing via my WLAN connection and got the same result.
I have the latest version of WinPCAP.
asked 23 Nov '10, 08:45
Have a look at "Analyze => Enabled Protocols" and scroll down to "Ethernet", it is most probably unchecked, therefor Wireshark is not able to interpret packets with encapsulation type 1 (which corresponds to Ethernet).
Check "Ethernet" and click "OK" and you should be fine...
answered 23 Nov '10, 11:22
edited 28 Feb '11, 07:36