Comparison of Spanning Tree Protocol (STP)
Spanning Tree Protocol – STP
Per-VLAN Spanning Tree Protocol-PVST
Per-VLAN Spanning Tree Protocol – PVST+
Rapid Spanning Tree Protocol – RSTP
Rapid Scanning Tree Protocol+ – RSTP+
· Spanning-Tree Protocol (STP) is a loop-prevention protocol used in the switching environment
· It is an 802.1D IEEE standard protocol
· PVST is a type of multiple instances of Spanning Tree Protocol (STP) in a switch.
· It is also IEEE standard protocol for grouping VLAN
· This is an extension of the PVST standard. This allows interoperability between CST and PVST in Cisco Switches.
· It is a Cisco Proprietary protocol
· This is a single instance spanning tree protocol. It is developed by IEEE.
· It is an 802.1W protocol developed by IEEE.
· This is an extension of the RSTP standard. Developed by Cisco.
· It is a Cisco proprietary as same as RSTP
STP is a technology that allows switches to communicate with each other to discover Physical loops in the network. The protocol uses an algorithm to create a loop-free logical topology.
|Rapid Scanning Tree|
Per-VLAN Spanning Tree+ (PVST+)
PVST allows in manually configuring the root bridge for a particular VLAN. Multiple Instance of STP reduces the latency and broadcast storms in a large switched network.
Rapid Spanning Tree Protocol (RSTP)
Rapid Per-VLAN Spanning Tree + (RPVST+)
Looping – Loops may occur in a network for a variety of reasons. Loops also occur due to a configuration error that arises while creating redundant links