how is possible to use SSH via tacacs+ without any crypto keys?  How Crypto keys influence AAA login ? Or Are they for local login only?we had replaced some old c3750 with new c3850 switches.  Procedure was to copy old config to new switch including ...

1. The question is to which hardware component of the switch does the physical MAC address is assigned?Like motherboard of a switch? Is it physically burned on somewhere?2. Does a MAC address of a routers Ethernet port is physically burned on it or i...