root bridge election

Owned by Jean-luc KRIKER
Last updated: Oct 06, 2020
1 min read


Election of Root bridge 
1- Lowest bridge-priority

Link

Default:  32,768 or 32k

2- Lowest system Mac@ 

If the bridge priorities are equal or if the bridge priority is not configured,
the bridge with the lowest MAC address is elected the root bridge.


Brideg ID = Priority + MAc@Link


interface selection on non-root-bridge



lowest priority

lowest Mac@

lowest interface number????

default cost  and path cost20,000 ?????



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