On 24/3/05 12:33 AM, "Justin M. Streiner" <streiner at cluebyfour.org> wrote: > The switch doesn't know what SIP is, and it doesn't care - it just > forwards packets :-) Being pedantic and all, but a switch (layer 2 device) forwards *frames*. Routers (layer 3 device) forward packets. Regards Virgil