What if the network adapter card does not support promiscuous mode? What is promiscuous mode anyway?
A. Promiscuous mode is a state in which a network adapter card copies all the frames that pass over the network to a local buffer, regardless of the destination address. This mode enables Network Monitor to capture and display all network traffic. To use Network Monitor, your computer must have a network card that supports promiscuous mode. If you are using Network Monitor Agent on a remote computer, the local workstation does not need a network adapter card that supports promiscuous mode, but the remote computer does.
