CCNA 2.6.a: STP mode (PVST+ and RPVST+)
Overview: Per-VLAN Spanning-Tree plus and Rapid PVST+ are enhancements to 802.1D STP Study Notes: 802.1D Spanning Tree Protocol (STP) has a drawback of slow convergence Cisco Catalyst switches support three types of STPs, which are PVST+, rapid-PVST+ and MST. Per-VLAN Spanning-Tree plus (PVST+) PVST+ is based on IEEE802.1D standard and includes Cisco proprietary extensions such […]