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Dell Configuration Guide for the S4048–ON System 9.14.2.8

Summary

This release notes document describes new features, resolved issues, known issues, and limitations in Dell System S4048-ON version 9.14(2.14). Designed for network administrators, the document explains system requirements, upgrade paths, and known limitations. Environment requirements and support resources are also addressed.

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Rev. A00 April 2022

Dell System S4048–ON 9.14(2.14) Release Notes 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(2.14) Release Date: 2022-04-15 Previous Release Version: 9.14(2.12) Topics: Document Revision History Supported Hardware Supported Software New Dell Networking OS Version 9.14(2.14) Features Restrictions Changes to Default Behavior and CLI Syntax Documentation Corrections Deferred Issues Fixed Issues Known Issues Upgrading the sub-components 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 Uninstalling Dell Networking OS from the S4048-ON Support Resources

NOTE: This document may contain language that is not consistent with current guidelines of Dell Technologies. There are plans to update this document over subsequent releases to revise the language accordingly. Incorrect behavior or unexpected caveats are listed as the Problem Report (PR) numbers within the appropriate sections. For more information on hardware and software features, commands, and capabilities, see the Dell Networking website at: https://www.dellemc.com/networking.

Document Revision History Table 1. Revision History Date Description 2022–04 Initial release.

Page Summary Contents For Dell Configuration Guide for the S4048–ON System 9.14.2.8

Page 1 Rev. A00 April 2022 Dell System S4048–ON 9.14(2.14) Release Notes This document contains information on open and resolved caveats, and operational information specific to the Dell Networking OS softwa...
Page 2 Supported Hardware The following hardware is supported with this platform: Table 2. Supported Hardware Hardware S4048-ON chassis Forty eight SFP+ ports (10 Gbps) Six QSFP+ ports (40 Gbps) Two AC/DC PS...
Page 3 To verify the error-disabled status of an interface, enter any of the following show commands. Dell# show inventory media Slot Port Type Media Serial Number Dell Qualified 1 49 UNKNOWN UNKNOWN USC1D6J...
Page 4 If you use the interface range command to select multiple interfaces that are added to the management VRF, the ipv6 nd command displays the following options but they do not take effect if you use the...
Page 5 Category Description Work around Work around describes a mechanism for circumventing, avoiding, or recovering from the issue. It might not be a permanent solution. Issues listed in the “Closed Caveats...
Page 6 Workaround: None PR# 170232 Severity: Sev 2 Synopsis: The switch sends deprecated VRRP traps. Release Notes: The switch sends deprecated VRRP traps. Workaround: None PR# 170301 Severity: Sev 3 Synopsi...
Page 7 Upgrading the sub-components It is recommended to upgrade the sub-components in the following order and reload the switch where necessary, before proceeding with the next sub-component upgrade. 1. Upg...
Page 8 POE Capable : no FIPS Mode : disabled Boot Flash : 3.21.2.9 Boot Selector : 3.21.0.0-6 Memory Size : 2127560704 bytes Temperature : 36C Voltage : ok Upgrade the GRUB or Boot Flash To upgrade the GRUB ...
Page 9 Use the following command to view CPLD version that is associated with the Dell Networking OS image: Dell EMC#show os-version RELEASE IMAGE INFORMATION : Platform Version Size Release Time S-Series:SK...
Page 10 Upgrade result : Unit 1 FPGA upgrade successful. Power cycle the Unit 1 to complete the upgrade. Dell EMC#00:22:35: %S4048-ON:1 %DOWNLOAD-6-FPGA_UPGRADE: stack-unit 1 fpga upgrade success. Dell EMC# 2...
Page 11 Preparing image archive ... OK. ONIE: Version : 3.21.1.0-5 ONIE: Architecture : x86_64 ONIE: Machine : s4000_c2338 ONIE: Machine Rev : 0 ONIE: Config Version: 1 Installing ONIE on: /dev/sda Rebooting....
Page 12 POST Lower DRAM Memory test .... Perf cnt (curr,fixed): 0x15A49BCF6,0x164D87D38 POST Lower DRAM Memory test ................. PASS POST Lower DRAM ECC check ................... PASS Dx E POST POST PCI...
Page 13 Dell EMC# 3. Verify that the Dell Networking OS has been upgraded correctly in the upgraded flash partition EXEC Privilege Mode show boot system stack-unit [1-6] | all] Dell#show boot sys stack-unit a...
Page 14 Dell EMC Networking OS uptime is 2 day(s), 17 hour(s), 45 minute(s) System image file is "system://A" System Type: S4048-ON Control Processor: Intel Rangeley with 3 Gbytes (3201302528 bytes)...
Page 15 Mouting /dev/sda4,/dev/sda5 and /dev/sda6... Done. Installing GRUB on /dev/sda4...Done. Copying Images... Done. ONIE:/ # umount: can't remount rootfs read-only The system is going down NOW! Sent SIGTE...
Page 16 Dell EMC> Uninstalling Dell Networking OS from the S4048-ON To uninstall the Dell Networking OS version 9.14(2.14) from the S4048-ON device, perform the following steps: 1. Reboot the system. Durin...
Page 17 discover: Uninstall mode detected. Running uninstaller. Erasing internal mass storage device: /dev/sda4 (32MB) Percent complete: 100% Erase complete. Deleting partition 4 from /dev/sda Erasing interna...
Page 18 ONIE:/ # 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...
Page 19 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...

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Published July 01, 2026
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Frequently Asked Questions

What happens if I use non-Dell qualified transceivers of 25G and above?

The switch places the interface in an error-disabled (operationally down) state and generates a syslog message.

How many fan trays can be empty or faulty before the system shuts down?

If all three fan trays are empty or faulty, the system shuts down after one minute.

What is the prerequisite process for upgrading to Dell Networking OS 9.14.2.0 or later?

Uninstall the older Open Automation (OA) package, upgrade the OS, then reinstall the 9.14.2.0 or later OA packages.

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