It doesn't actually identify the interface on which it was received. It identifies the interface to which it was addressed. The packet could be routed through any of the interfaces to get there. +-DLS In article <3CFFBC95.C622FD1D@iprg.nokia.com> you wrote: > was wondering if there is any reason why an application that > binds to the INADDR_ANY v4 address, should also bind to all the > addresses in its interface list. Cause this way it can detect by the socket, on which interface a packet was received. Greetings Bernd - : send the line "unsubscribe linux-net" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html - : send the line "unsubscribe linux-net" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html