Friday, February 20, 2015

RSTP vs STP port States

The goal of RSTP is to improve STP convergence. The first step in achieving this was to deprecate some of the 802.1D port states.

Below is a table showing the three port states for RSTP compared to the five ports states of 802.1D STP.

Administrative State STP State (802.1D) RSTP State (802.1w)
Disabled Disabled Discarding
Enabled Blocking Discarding
Enabled Listening Discarding
Enabled Learning Learning
Enabled Forwarding Forwarding

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