Aruba Spanning Tree Protocol (STP)

This video explains Spanning Tree Protocol(STP). it explains what is layer 2 loops, PBDU, Bridge ID, Root ports, Designated and Alternate Ports
0:00 introduction
2:50 redundancy and loops
7:15 Spanning Tree 802.1D & 802.1w
14:33 Rapid Spanning Tree Elements, BPDU, BID etc
24:30 Rapid Spanning Tree Operation, Loop Free Toplogy
32:29 Common Spanning Tree (CST)
33:58 Multiple Spanning Tree (MSTP)