[Winpcap-users] Mirroring and winpcap
guy at alum.mit.edu
Wed Aug 24 17:26:31 GMT 2005
Cristian Gallas wrote:
> I have a application develop with winpcap, works great, until today
> that i get a strange behaviour, reading some winpcap documentation i
> think that i understand my problem, the problem is, i get a dell switch
> with port mirroring, make a port mirror to some computer with two
> network adapters, in second adapter are my program attached in network
> adapter, but i cannot see anything, only spanning tree packets, i think
> is because is not on promiscuous mode, but pcap_open are set correctly
> for promiscuos.
Could you send us the part of your code that's calling "pcap_open()", so
we can see how it's setting promiscuous mode?
> What is Spanning tree traffic?
It's multicast traffic, so it might get seen by your machine's network
adapter even if it's not in promiscuous mode.
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