tcptrace reports hardware duplicates

[mschomburg]

My appologies if this isn't the best forum for this question. While monitoring my vlan (cat 6513, 48-port 10/100 blade) using win2000, winpcap 3.0 and ethereal 0.10.5a, tcptrace 6.6.0 reports between 2 and 100 "hardware duplicates", supposedly identical packets being sent by my host. Never any duplicates sent by anyone else. I replaced my NIC and still see the duplicates.

I am not seeing any problems on the network. Has anyone seen this before, or have any ideas on how to fix it?

[umedryk]

Though this may not directly answer to your question, this is not a problem with the NIC card.

[igorj]

Hello,

You should suppress 'hardware duplicates' warnings w/ tcptrace's '--nowarn_printhwdups' argument.

AFAIR this is libpcap issue, and winpcap is a

port of an older libpcap (0.6.2, latest stable is 0.8.3).

If possible, try w/ another packet/traffic analyzer,

just to be sure that this is a bug.