use loop guard in conjunction with UDLD in order to provide the most protection. Loop guard prevents STP loops with the speed of the STP version that is in use. And UDLD takes care of the detection of unidirectional connections on individual EtherChannel links or in cases in which BPDUs do not flow along the broken direction.
I'm working on a project that includes basic router configurations. I configurated everything including: line console 0, line vty 0 15 and secret passwords. There are 3 routers in the network and every LAN is going t...