I have to upgrade Brocade 4900 firmware from 6.1.1a to 6.4.0c. whats the upgrade path suggested. Can it be done online?
6.2.2e > 6.3.2b > 6.4.0c
The upgrade can be performed online but do upgrade one fabric at a time.
You can use DCFM to do your Fabric OS upgrade is makes the job a lot easier.
Get quick and easy access to valuable resources across the Broadcom Community Network.