[Winpcap-users] capture differences between Linux system and Windows with winpcap
Phil.Newlon at wendys.com
Tue Dec 10 15:40:26 UTC 2013
This issue has reared its head again since I upgraded my hardware. I am now back in the same boat as I was with my older Dell laptop where I am 'capturing' many more packets than are truly on the wire.
- I have tried three different adapters: the built in Intel 82579LM wired ethernet, ASIX AX 88772 USB to wired ethernet, and Dell 1540 802.11agn wireless adapter. All exhibit the same behavior.
- I have tried (wired) adapter auto speed/duplex negotiation as well as manual configuration with no change in behavior (which is really odd, IMHO).
- For example, a four packet ping to a pingable device should produce 8 captured ICMP packets and in my case it produces 1528!
- I put the laptop on a hub and captured the traffic from the problem laptop there using Linux and captured the expected 8 packets.
- I uninstalled and reinstalled winpcap 4.1.3 with the same result.
Any thoughts what could possibly be causing winpcap to 'see' so many bogus packets regardless of which of three adapters I use?
The issue was definitely with the Dell E6420. I pulled the HDD out of it, put
it in a Dell E6430, installed the drivers for the newer laptop and all is well.
Something is whacked with the E6420 Intel GB driver from Dell / Intel as far
as WinPcap is concerned.
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