OmniSwitch AOS Release Notes

September 2015

Downgrading - Step 1. FTP the 6.6.5 Files to the Switch

Follow the steps below to FTP the AOS files to the switch.

1. Download and extract the appropriate 6.6.X archive from the Service & Support website. The archive will contain the following files to be used for the downgrade:

 AOS Files – KFbase.img, KFeni.img, KFos.img, KFsecu.img

2. FTP (Binary) the 6.6.X image files listed above to the /flash/working directory on the primary CMM.

3. Proceed to Step 2.

Note: Make sure the destination paths are correct when transferring the files. Also, when the transfer is complete, verify the file sizes are the same as the original indicating a successful binary transfer.

Downgrading - Step 2. Downgrade the AOS

Follow the steps below to downgrade the AOS. This step will downgrade the AOS once the switch/stack is rebooted.

1. Reboot the switch. This will downgrade the AOS.

-> reload working no rollback-timeout

2. Once the switch reboots, certify the downgrade:

 If you have a single CMM enter:

-> copy working certified

 If you have redundant CMMs enter:

-> copy working certified flash-synchro

Proceed to Verifying the Downgrade .

Verifying the Downgrade

To verify that the AOS software was successfully downgraded use the show microcode command as shown below. The example display below shows a successful image file downgrade. The output will vary based on the model and AOS version.

-> show microcode

Package Release Size Description

-----------------+---------------+----------+-------------------------------------------

KFbase.img 6.6.5.R02 15510736 Alcatel-Lucent Base Software

KFos.img 6.6.5.R02 2511585 Alcatel-Lucent OS

KFeni.img 6.6.5.R02 5083931 Alcatel-Lucent NI software

KFsecu.img 6.6.5.R02 597382 Alcatel-Lucent Security Management

Page 24 of 24 OmniSwitch 6250/6350/6450 —Release 6.7.1.R01