The IBM one still has c (release notes anyway). : Went through all links to make sure they worked. Re-wrote some of the steps and re-ordered so that decide is before prepare. Added output from switch when doing the firmware upgrade via CLI. Only HP is out with a as of now. Brocade may have it non-publicly, at least I cannot see it in my brocade. Other minor updates. : Added link to d : Updated link to FOS Target Path. Virtual switch users should migrate to an earlier version as soon as possible. : The problem with b was likely DEFECT fixed in c and later also DEFECT was fixed in d. x seems a bit unstable at the moment. See. Port based routing required. IBM Model B40 B80 2498- B24 2498- R06 2498- E32 2109- M48 2005- R04 3758 -B32, -L32 Brocade Model DCX. DCX4S E 8000 v6.0.x X X v6.1.x 3 3 v6.2.x. X 3 X X v6.3.x X 3 X 3 v6.4.x X 3 X X 3. Another example is that firmware gotten from HDS works on an HP branded Brocade switch. When you see 5.2.x this mean any version in the Fabric OS 5.2.x series. For upgrades this would generally mean the latest available in that series (like for 5.2.x or. Also made how to find 5.3.x and 6.x firmwares a little clearer for HPs page. : Added f and and note about plist/ftp for 5.1.x : Addeed e : Added a : Rewrote some part of the upgrade section. I do not think others are different except for licenses and some default fabric. ops. I made a comparison of two downloads of the b Fabric OS Firmware (one via IBM and one from HP). Made post a little easier, wrote a little about the ist confusion. : Added example to show that driver updates are important. Some more restructuring of the article. : Added FOS a : Added link to HP knowledge base and updated a link to an. Also 3 years anniversary on this post on! : But be careful with b IBM has a note on their 7.x page about b saying: IBM recommends that customers not deploy FOS b if virtual switch capability is needed. Updates to documents Fabric Watch and MAPS with FOS v7.3 Interoperability 4 Prepare 4.1 Download old Brocade Fabric OS Firmware. 4.2 Equivalent Product Names 4.3 Recommendations 4.4 Upgrading Tools 4.5 How to access the SAN-switch 5 Upgrade 5.1 More notes about the upgrade Specifying Directory. Updated some links. Need to go through a lot of the HP ones here to point to HPE. : b : : c : a, d : b, e : 8.x has been out for a while : new links to Brocade FOS target path and better. If you have any additions, comments or questions please go ahead and comment or if you have any questions you can find my e-mail on m. The post have been updated over 100 times according to my wordpress revisions, first update in January 2011.