[Winpcap-users] Problem with WinPcap capture with Jumbo frames

Bhageriya, Piyush piyush.bhageriya at philips.com
Tue Mar 23 22:44:55 PDT 2010


Hi WinPcap users,
I've used winpcap library in my application to capture TCP/IP packets and extract DICOM info from those packets.

When you look at the ethernet Frame line below (ethernet frame is the lowest level of communication Wireshark can display), in specifies that the frame size should be 16.438 but
Only 1600 bytes have been captured.

It looks like the Winpcap is only able to capture "normal" size eternet frames and not jumbo or super jumbo frames. Maybe the default setting of WinPCap is to capture
only normal size frames?

Can we configure ethernet frame size in WinPCap?
We are missing DICOM data in case of Jumbo frames in Fast gigabit Ethernet.


[cid:image001.png at 01CACB42.7BBC2B90]


 Any help will be great boost to my application.

Thanks & Regards,
Piyush


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