The Minix-Bochs-WinPCap page

modified: 04 Mar 2004

"WinPcap is an architecture for packet capture and network analysis for the Win32 platforms. It includes a kernel-level packet filter, a low-level dynamic link library (packet.dll), and a high-level and system-independent library (wpcap.dll, based on libpcap version 0.6.2)."

-- from the WinPCap home page, http://winpcap.polito.it

WinDump is the porting to the Windows platform of tcpdump, the most used network sniffer/analyzer for UNIX. WinDump is fully compatible with tcpdump and can be used to watch and diagnose network traffic according to various complex rules. It can run under Windows 95/98/ME, and under Windows NT/2000/XP.

-- from the WinDump home page, http://windump.polito.it

Niclist lists the network interface cards that you can use in the "ethdev" field of the ne2k line in your bochsrc.

-- comment from the niclist.c source at http://cvs.sourceforge.net/viewcvs.py/bochs/bochs/misc/

Bochs uses the WinPCap link libraries (dlls) to capture host system packets so they can be presented to the guest system via the simulated ethernet interface. WinPCap was developed for other purposes, probably its most important use is with WinDump, described above. So if you have any problems with WinPCap you'll probably want to test it with WinDump before reporting problems to the WinPCap developers. At the time of writing three versions of WinPCap were available:

The above conclusions were based on tests with binary distributions of Bochs 2.1 and 2.1.1 for Windows downloaded in February 2004. It may be the differences are due to a redefinition of the interface between the WinPCap libraries and applications, and it may be that recompilation of the applications with newer header files is all that is needed. If this is the case, I'd expect the next release of Bochs would work with the newer WinPCap, and possibly would no longer work with WinPCap 2.3.

Both WinPCap and Bochs are constantly being debugged and improved. I will try to keep up with changes and update this page if the situation changes.


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