Tag Archives: bpdu guard

STP: 802.1d and PVST

Traditional Spanning Tree Protocol: To avoid bridging loops in L2 network with redundant paths. Defined in IEEE 802.1d standard. Bridge Protocol Data Unit (BPDU)s’ are used to communicate among all switches(bridges). SRC MAC = Mac address of the port on … Continue reading

Posted in IOS, L2 switch | Tagged , , , , , | 2 Comments