Thank you very much. I've tried making NIC promiscuous but it took no effect. And I think it's not caused by hub because tcpdump can get all packets.
Now, I only want to find the code to match ethernet addresses. It should be in src/sys/net directory but it's strange that I didn't find it. > >If the NIC is in promiscuous mode it will receive the packet regardless of >destination ethernet address. Try marking the interface promiscuous and see if >that makes a difference. > >Are you sure the packet is even reaching the NIC? Is your hub a 10/100 hub or >a single-speed hub? 10/100 hubs are actually bridges. > >-- >Jefferson Ogata <[EMAIL PROTECTED]> >NOAA Computer Incident Response Team (N-CIRT) <[EMAIL PROTECTED]> > > --http://www.eyou.com --�ȶ��ɿ�����ѵ������� �����ʼ� �ƶ���ǩ �������� ����洢...����δ��
