Release Notes

Restrictions
● Prerequisite steps to upgrade the Dell EMC Networking OS from earlier version to 9.14.2.0 or later:
1. Uninstall the older version of the Open Automation (OA) package
2. Upgrade the Dell EMC Networking OS to 9.14.2.0 or later version
3. Install the following OA packages from the respective upgraded version:
a. SmartScripts
b. Puppet
c. Open management infrastructure (OMI)
d. SNMP MIB
Prerequisite steps to downgrade the Dell EMC Networking OS from 9.14.2.0 or later to the earlier version:
1. Uninstall the OA package of 9.14.2.0 or later version
2. Downgrade the Dell EMC Networking OS to an earlier version
3. Install the respective OA package from an earlier version
For more information about installing, uninstalling and upgrading the Dell EMC Networking OS and OA package, refer the
respective Dell EMC System Release Notes.
● After you upgrade Dell EMC Networking OS to 9.14(2.10) from an earlier version and update the BIOS using the booted
option, the system does not allow you to downgrade the BIOS to an earlier version. To run an earlier BIOS version, use FTP,
TFTP, or SCP option from the current OS version.
DellEMC#upgrade boot bootselector-image stack-unit 1 tftp://10.16.127.7/FTOS-S5048F-
ON-9.14.2.10.bin
May 18 09:32:03 : Discarded 1 pkts. Expected block num : 51. Received block num: 50
May 18 09:32:06 : Discarded 1 pkts. Expected block num : 65. Received block num: 64
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!.
Current Boot information in the system:
========================================================================
Card BootSelector Current Version New Version
------------------------------------------------------------------------
Unit1 Boot Selector 3.38.0.1-4 3.38.0.1-3
***********************************************************************
* Warning - Upgrading boot selectors is inherently risky and should *
* only be attempted when necessary. A failure at this upgrade may *
* cause a board RMA. Proceed with caution ! *
***********************************************************************
Proceed upgrade Boot Selector image for stack-unit 1 [yes/no]: yes
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!
Bootselector image upgrade for stack-unit 1 completed successfully.
If you downgrade the Dell EMC Networking OS version from 9.14.2.10 to 9.11.0.0 or any older versions, the system displays
the following error message even though there is no functional impact:
CDB boot error: C.cdb file format
Before downgrading, save the current configuration and then remove the CDB files (confd_cdb.tar.gz.version and
confd_cdb.tar.gz). To remove the files, use the following steps:
DellEMC#write memory
DellEMC#delete flash://confd_cdb.tar.gz.version
DellEMC#delete flash://confd_cdb.tar.gz
DellEMC#reload
● The following features are not available in Dell EMC Networking OS:
○ Protocol-independent multicast (PIM) equal cost multi path (ECMP)
○ Static Internet group management protocol (IGMP) join (ip igmp static-group)
○ IGMP querier timeout configuration (ip igmp querier-timeout)
○ IGMP group join limit (ip igmp group join-limit)
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