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Friday, August 2, 2019

The Multiple Spanning Tree Protocol (MSTP) was originally defined in what IEEE Standard?

The Multiple Spanning Tree Protocol (MSTP) was originally defined in what IEEE Standard?

  • IEEE 802.1Q-2005
  • IEEE 802.1w
  • IEEE 802.1D
  • IEEE 802.1s 
The Multiple Spanning Tree Protocol (MSTP) was originally defined in what IEEE Standard?

EXPLANATION

The Spanning Tree Protocol (STP) is a network protocol that builds a loop-free logical topology for Ethernet networks. The basic function of STP is to prevent bridge loops and the broadcast radiation that results from them. Spanning tree also allows a network design to include backup links to provide fault tolerance if an active link fails.
As the name suggests, STP creates a spanning tree within a network of connected layer-2 bridges, and disables those links that are not part of the spanning tree, leaving a single active path between any two network nodes. STP is based on an algorithm that was invented by Radia Perlman while she was working for Digital Equipment Corporation.[1][2]
In 2001, the IEEE introduced Rapid Spanning Tree Protocol (RSTP) as 802.1w. RSTP provides significantly faster recovery in response to network changes or failures, introducing new convergence behaviors and bridge port roles to do this. RSTP was designed to be backwards-compatible with standard STP.
STP was originally standardized as IEEE 802.1D but the functionality of spanning tree (802.1D), rapid spanning tree (802.1w), and multiple spanning tree (802.1s) has since been incorporated into IEEE 802.1Q-2014.[3]

 

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