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Stack SpliBrain protection

Stack SpliBrain protection

pbrzostowski
New Contributor

‎07-11-2022 01:41 PM

Hi

Does anybody know how protect rest of then network with protocol OSFP/MPLS when the stack is broken and we have a split brain situation with two master? It's possible to automaticaly somehow down master IN/OUT interface on one node or something else ? We use the X590- Switches with EXOS 31.7.1.4-patch1-17 EXOS

BR 

Pawel
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StephenW
Extreme Employee

‎07-15-2022 01:22 PM

If you have a split brain situation these slots 100% believe the other slot is down.  I don't know of a way on the stack to detect a split brain.  You could have a script disable OSPF/MPLS if the other node goes down.  If it's a true node down and not a split brain you will have a outage when you wouldn't normally.

You would have to detect both a Dup IP and MAC to do it. 
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