> adapter built in to my current laptop, Ethereal captures no packets ,
> not even my own, unless I tell it NOT to capture packets in promiscuous
> mode. When I tell it not to use promiscuous mode, I capture only my own.
>
> OS: XP Home in both cases.
>
> Why am I not capturing packets?
Inability of the Windows drivers to enable monitoring mode. As you have
rightly determined, the resolution is to not enable promiscuous mode but
then you only capture traffic related to your machine.
http://www.ethereal.com/faq.html#q5.39
David.