[Winpcap-users] Large number of duplicate messages
jack at pebbleridge.com
Thu Jul 23 14:20:29 PDT 2009
I just installed WinPcap 4.1 beta 5 on a Win 2008 Server 64-bit virtual
machine (running on VMWare Server 2).
Wireshark (1.2.1) shows a large number of duplicate copies of many (but not
all) messages. For example, if I ping the virtual machine from another
machine, I see about 126 ping requests and replies for each ping request
sent. ARP messages do not appear to be duplicated, but most others are
(all TCP as far as I can tell, but few if any UDP). Dumpcap shows the same
number of messages as Wireshark.
If I install WinPcap 4.1 beta 5 on the host Win 2008 64-bit machine and do
the same ping as above, I see much fewer duplicates, 2-3.
Any idea what is happening? Is this some artifact of the VMWare network
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