STP-RSTP-PVST-PVST+ | Part 19 | Per vlan Spanning tree protocol | CCNP | CCNA | IT Index 

In this video I am explaining about STP and difference between CST , PVST and PVST+ . per VLAN spanning tree protocol support multiple STP instance and add VLAN information with BPDU messages . PVST support ISL encapsulation and in PVST+ it support ISL and DOT1Q Encapsulation . and in this video I am explaining about Topology changes in CST and PVST . type of topology changes are Direct and Indirect and explained about redundant link and load balancing in PVST ( per VLAN Spanning tree protocol )