Release Notes

If you have installed Dell EMC Networking OS using the ONIE install option, you cannot downgrade from Dell EMC
Networking OS 9.14(2.10) to versions earlier than 9.11(0.0P4), 9.11(0.1P1), or 9.11(0.2), using the upgrade system command,
due to file system partition compatibility issues. If you try to downgrade, the system displays the following error message:
DellEMC#upgrade system tftp: a:
Address or name of remote host []: 10.16.127.44
Source file name []: FTOS-Z9100-ON-9.11.0.1.bin
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
% Error: Detected System Image is incompatible with flash partition scheme.
% Error: Perform ONIE uninstall followed by onie-nos-install to upgrade to this version.
% Error: Upgrade system image failed.
DellEMC#
May 18 04:48:33: %STKUNIT1-M:CP %DOWNLOAD-6-UPGRADE: Upgrade failed
To downgrade Dell EMC Networking OS version 9.14(2.10) to versions earlier than 9.11(0.0P4), 9.11(0.1P1), or 9.11(0.2), follow
these steps:
1. From the ONIE menu, use the ONIE uninstall option to uninstall Dell EMC Networking OS 9.14(2.10).
2. Use the ONIE install option to install the older version of Dell EMC Networking OS.
You can upgrade or downgrade to any version, if you have upgraded Dell EMC Networking OS using the upgrade system
command, instead of the ONIE install option.
The systems shipped with OS 9.11(2.1) and above might contain one of the following chipsets:
● BCM56960_B1 chipset with part number 0HW2V or 353W9.
● BCM56960_B0 chipset with part number GTG6M or 2CMPM.
You can check the part number using the show inventory command
In a system using BCM56960_B1 chipset, you cannot downgrade from Dell EMC Networking OS 9.14(2.10) to OS versions
earlier than 9.10(0.2), due to NPU compatibility issues.
In a system using BCM56960_B1 chipset, if you try to downgrade from OS 9.14(2.10) to OS versions earlier than 9.10(0.2) using
BMP or the upgrade command, the system displays the following error message:
DellEMC#upgrade system tftp: a:
Address or name of remote host []: 10.16.127.44
Source file name []: FTOS-Z9100-ON-9.10.0.1.bin
00:12:47 : Discarded 1 pkts. Expected block num : 56. Received block num: 55
% Error: Detected System Image is incompatible with NPU.
% Error: Upgrading Release File Corrupted.
% Error: Upgrade system image failed.
You can upgrade or downgrade the OS to any version in systems using BCM56960_B0 chipset.
Follow these steps carefully to upgrade your Z9100-ON systems:
1. Dell EMC Networking recommends that you back up your startup configuration and any important files and directories to an
external media prior to upgrading the system.
2. Upgrade the Dell EMC Networking OS in flash partition A: or B:
EXEC Privilege Mode
upgrade system [flash: | ftp: stack-unit <1-6> | tftp: | scp: | usbflash:] [A: | B:]
DellEMC#upgrade system tftp: A:
Address or name of remote host []: 10.16.127.35
Source file name []: FTOS-Z9100-ON-9.14.2.10.bin
1d4h22m : Discarded 1 pkts. Expected block num : 51. Received block num: 50
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!......................
..........................!
61077156 bytes successfully copied
System image upgrade completed successfully.
DellEMC#May 18 07:19:46: %STKUNIT1-M:CP %DOWNLOAD-6-UPGRADE: Upgrade completed
successfully
DellEMC#
DellEMC#upgrade system tftp: B:
Address or name of remote host []: 10.16.127.35
Source file name []: FTOS-Z9100-ON-9.14.2.10.bin
1d4h26m : Discarded 1 pkts. Expected block num : 51. Received block num: 50
1d4h26m : Discarded 1 pkts. Expected block num : 65. Received block num: 64
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