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core switch configure stp

i have a core swich extreme summit x450 and I would like to know how to configure the spanning tree
I believe that the priority must be at least What is the correct configuration?

thank you for your support

3 replies

Userlevel 5
If you are running EXOS 21.x or later, have you seen https://github.com/extremenetworks/EXOS_Apps/tree/master/EZ_SpanningTree
hi dave
my version is
The article does not talk about core switch and priority
Because it seems to me that the configuration of spanning tree is different on a switch core network
Userlevel 3
Hi Greg,

The below link gives you the basic idea of configuring RSTP in summit/BlackDiamond switches,


The below link is for the user guide to EXOS and sample configuration is available for your reference.


As far as the priority goes, lower the numerical value of the priority, higher the precedence.