please, somebody out ther ca you tell me how to upfrade fos from 6.4.2b to 6.4.3e...first to 6.4.3 and then 6.4.3b ?....thanks in advance
you can upgrade directly from 6.4.2b to 6.4.3e.
I just upgraded a Brocade 5470 (blade center switch) from 6.4.2b to 7.0.2D6 directly. I used Network Advisor GUI and according to a Brocade Engineer, the GUI will tell you if the release you are upgrading to is incompatible. It didn't and the upgrade went smoothly. I have 2 switches in the blade center so, for comparison, I used the putty command line approach for the other switch and the gui actually went a little faster. But I now have the firmware on the GUI so I don't need to do the ftp required by the command line and I have 25 other blade centers to upgrade.