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Dell S4048–ON System Release Notes, OS Version 9.14.1.12 Owner' s Manual

Summary

This release notes document describes Dell Networking OS Version 9.14(1.12) for the S4048-ON switch platform, covering new features, open and resolved caveats, supported hardware and software configurations, and operational changes from previous versions. It includes upgrade considerations and known limitations. Intended for network administrators deploying or maintaining Dell S4048-ON switches.

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Rev. A00 May 2022

Dell S4048–ON System Release Notes, OS Version 9.14(1.12) This document contains information on open and resolved caveats, and operational information specific to the Dell Networking OS software and the S4048-ON platform. Current Release Version: 9.14(1.12) Release Date: 2022-05-20 Previous Release Version: 9.14(1.10) Topics: Document Revision History Supported Hardware Supported Software New Dell Networking OS Version 9.14(1.12) Features Restrictions Changes to Default Behavior and CLI Syntax Documentation Corrections Deferred Issues Fixed Issues Known Issues S4048–ON Upgrade Procedures: Overview Upgrading ONIE on the S4048-ON Upgrading the S4048-ON Dell Networking OS Image using the Dell Networking OS CLI Installing Dell Networking OS on the S4048-ON using ONIE Upgrade the Boot Flash and BIOS from Dell Networking OS Upgrading the CPLD Uninstalling Dell Networking OS on the S4048-ON Installing Dell Networking OS on the S4048-ON using ONIE Support Resources For more information on hardware and software features, commands, and capabilities, refer to the Dell Networking support website at: https://www.dell.com/support

Document Revision History Table 1. Revision History Date Description 2022–05 Initial release.

Supported Hardware The following hardware is supported with this platform: Hardware S4048-ON chassis

Page Summary Contents For Dell S4048–ON System Release Notes, OS Version 9.14.1.12 Owner' s Manual

Page 1 Rev. A00 May 2022 Dell S4048–ON System Release Notes, OS Version 9.14(1.12) This document contains information on open and resolved caveats, and operational information specific to the Dell Networking...
Page 2 Hardware Forty eight SFP+ ports (10 Gbps) Six QSFP+ ports (40 Gbps) Two AC/DC PSUs Three fan subsystems One Micro USB serial console port One universal serial bus (USB Type-A) port for additional file...
Page 3 While deploying the system in the normal-reload mode in BMP configuration, use the ip ssh server enable command at the beginning of the startup configuration if the write memory command is used at the...
Page 4 Documentation Corrections This section describes the errors identified in the current release of the Dell Networking OS. None. Deferred Issues Issues that appear in this section were reported in Dell ...
Page 5 Category Description S4 — Minor: A cosmetic issue or an issue in a minor feature with little or no network impact for which there might be a work-around. Synopsis Synopsis is the title or short descri...
Page 6 Synopsis: The BN_mod_sqrt() function, which computes a modular square root, contains a bug that can cause it to loop forever for non-prime moduli(CVE-2022-0778) Release Notes: The BN_mod_sqrt() functi...
Page 7 1. Zero touch (dynamic): Copy the updated ONIE installer and the DIAG installer for your system to the TFTP/HTTP server.Configure the DHCP options using the ONIE specifications shown at the following ...
Page 8 PMG_CST_CFG_CTL: 0x40006 BBL_CR_CTL3: 0x7E2801FF Misc EN: 0x4000840081 Gen PM Con1: 0x203808 Therm Status: 0x8848000F POST Control=0x EA000303, Status=0x E6009700 BIOS initializations... CPGC Memtest ...
Page 9 1. Dell Technologies 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 Networking O...
Page 10 7. Verify the S4048 ON has been upgraded to the Dell Networking OS version 9.14(1.12) show version EXEC PRIVILEGE Dell EMC#show version Dell EMC Real Time Operating System Software Dell EMC Operating ...
Page 11 Verifying image checksum ... OK. Preparing image archive from /installer ... Done. Verifying Product Platform... Product Name : S4048ON Image Platform : FTOS-SK Image File : FTOS-SK-9.14.1.12.bin Imag...
Page 12 Press <DEL> or <F2> to enter setup. Grub 1.99~rc1 (Dell EMC) Built by root at ubuntu on Thu_Mar_24_06:44:12_UTC_2022 S4000 Boot Flash Label 3.21.2.9 Net Boot Label 3.21.2.9 Press Esc to st...
Page 13 Dell Networking OS version 9.14(1.12) requires S4048-ON Boot Selector image version 3.21.0.0-6 or higher. The booted option is used to upgrade the Boot Selector image to the image version packed with ...
Page 14 Verify that a CPLD upgrade is required Use the following command to identify the CPLD version: Dell EMC#show revision -- Stack unit 1 -- S4048-ON SYSTEM CPLD : 15.2 S4048-ON MASTER CPLD : 12 S4048-ON ...
Page 15 Card Device Name Current Version New Version Unit1 S4048-ON SYSTEM CPLD 11 15.2 Unit1 S4048-ON MASTER CPLD 9 12 Unit1 S4048-ON SLAVE CPLD 4 5 * Warning - Upgrading FPGA is inherently risky and should ...
Page 16 Built by root at ubuntu on Thu_Mar_24_06:44:12_UTC_2022 S4000 Boot Flash Label 3.21.2.9 Net Boot Label 3.21.2.9 Press Esc to stop autoboot ... 4 2. At this prompt message, press the ESC key. The follo...
Page 17 Percent complete: 100% Erase complete. Deleting partition 7 from /dev/sda Installing for i386-pc platform. Installation finished. No error reported. Uninstall complete. Rebooting... umount: can't remo...
Page 18 1. Boot the system to the ONIE prompt.The following ONIE prompt appears: ONIE:/ # 2. Stop the ONIE discovery process using the following command: ONIE:/ # onie-discovery-stop The following message app...
Page 19 POST Control=0x EA000303, Status=0x E6009700 BIOS initializations... CPGC Memtest for Channel 0 .................. PASS ECC enabled: channel 0 DECCCTRL_DUNIT_REG=0x000200F3 POST: RTC Battery OK at las...
Page 20 Support Resources The following support resources are available for the S4048–ON system. Documentation Resources This document contains operational information specific to the S4048–ON system. For inf...
Page 21 Notes, cautions, and warnings NOTE: A NOTE indicates important information that helps you make better use of your product. CAUTION: A CAUTION indicates either potential damage to hardware or loss of d...

Manual Details

Brand Dell
Pages 21
File Size 195.00 KB
Published July 01, 2026
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Frequently Asked Questions

What happens if I use non-Dell qualified 40G transceivers?

The switch places the interface in an error-disabled state and reports a syslog message, indicating the transceiver is unrecognized.

How should I prepare before downgrading OS from version 9.14(1.12)?

Save your current configuration, then use `write memory` and delete the confd_cdb.tar.gz files in flash to avoid a boot error.

What is the minimum required OS version for this S4048-ON platform?

The supported software requires Dell Networking OS 9.14(1.12) and ONIE 3.21.1.0-5.

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