Specifications

Redundant Links
Rev. 9.41 Module 5 – 165
Module 5 — Summary
In this module, you learned about three STP revisions:
 STP, the original standard
 RSTP, which significantly decreased convergence time
 MSTP, which made the protocol VLAN aware
You also found out how switches on an STP network elect a root bridge and then
identify the lowest cost path to that root bridge. And you learned how you can
configure the root priority to determine which switch is elected root bridge.
You learned how switch meshing detects redundant links. With this redundant link
technology, switches do not completely block links. Instead, the switches regularly
evaluate the best path through a network, based on performance factors such as
inbound and outbound port queues and link speeds.
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