[Winpcap-users] Injected packets are duplicated on vmware

[Gianluca Varenni]

Which version of vmware are you using?

Have a nice day
GV


From: rouli 
Sent: Thursday, May 13, 2010 6:04 AM
To: winpcap-users 
Subject: [Winpcap-users] Injected packets are duplicated on vmware


I'm trying to figure out a setup issue and would appreciate any help.
I have a vista virtual machine and a program that injects packet to the network using winpcap.
Every injected packet is duplicated, where the second packet is the exact copy of the original packet but only the IP's checksum and TTL are changed (TTL decreased by one).
For example, if I inject an ICMP echo request using winpcap, the target machine actually gets two requests.

The duplication happens on the vista machine - I've validated this by using wireshark.

Any ideas of what can cause such an issue?

Thanks


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