Does anybody has experience with ISLing fabric OS 4.0.d with Fabric OS 4.1.1a. Does that cause any problems? OEM says downgrade the fabric OS to 4.0.d from 4.1.1a before ISLing it to 4.0d fabric.
It works, but I wouldn't use it in a production environment, as it is not recommended from your OEM and also from Brocade.
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