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Dell EMC System S4048-ON 9.14.2.11 Release Notes

Summary

This document contains release notes for the Dell EMC System S4048-ON switch running Dell Networking OS version 9.14(2.11). It covers supported hardware specifications including 48 SFP+ ports and 6 QSFP+ ports, supported software, new features, restrictions, changes to default behavior and CLI syntax, documentation corrections, deferred issues, fixed issues, and known issues. The document also provides upgrade procedures for sub-components, ONIE, and Dell Networking OS images, along with installation and uninstallation instructions. Targeted at network engineers managing Dell S4048-ON open networking switches in data center environments.

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Rev. A00 November 2021

Dell EMC System S4048–ON 9.14(2.11) Release Notes This document contains information on open and resolved caveats, and operational information specific to the Dell EMC Networking OS software and the S4048-ON platform. Current Release Version: 9.14(2.11) Release Date: 2021-11-25 Previous Release Version: 9.14(2.10) Topics: Document Revision History Supported Hardware Supported Software New Dell EMC Networking OS Version 9.14(2.11) 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 EMC Networking OS Image using the Dell EMC Networking OS CLI Installing Dell EMC Networking OS on the S4048-ON using ONIE Uninstalling Dell EMC 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 EMC Networking website at: https://www.dellemc.com/networking.

Document Revision History Table 1. Revision History Date Description 2021–11 Initial release.

Page Summary Contents For Dell EMC System S4048-ON 9.14.2.11 Release Notes

Page 1 Rev. A00 November 2021 Dell EMC System S4048–ON 9.14(2.11) Release Notes This document contains information on open and resolved caveats, and operational information specific to the Dell EMC Networkin...
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 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 9.14.2.0 or later version...
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# 170093 Severity: Sev 3 Synopsis: Open SSH version 8.6p1 that is bundled with 9.14.2.11, fixes vulnerabilities reported by CVE-2020-12062 and CVE-2020-15778. Release Notes: Open SS...
Page 7 PR# 170198 Severity: Sev 2 Synopsis: A BGP route added using the network command does not get deleted even when the contributing route is deleted. Release Notes: A BGP route added using the network co...
Page 8 Upgrade the BIOS or Boot Selector To upgrade the BIOS or Boot Selector from Dell EMC Networking OS, perform the following steps: 1. Upgrade the S4048-ON Boot Selector image. EXEC Privilege Mode Dell E...
Page 9 Upgrade the GRUB or Boot Flash To upgrade the GRUB or Boot Flash from Dell EMC Networking OS, perform the following steps: 1. Upgrade the S4048-ON Boot Flash image. EXEC Privilege Mode upgrade boot bo...
Page 10 BOOT IMAGE INFORMATION : Type Version Target checksum boot flash 3.21.2.9 Control Processor passed BOOTSEL IMAGE INFORMATION : Type Version Target checksum boot selector 3.21.0.0-6 Control Processor p...
Page 11 NOTE: Do not switch on the system with PSU–REAR LED glowing AMBER. You can alternatively power cycle the switch using the power-cycle stack-unit <1-6> command as follows: Dell EMC#power-cycle st...
Page 12 machine restart 4. Upgrade the DIAG installer package. ONIE:/ # ONIE:/ # onie-nos-install tftp://10.16.127.143/diag-installer-x86_64-s4000_c2338- r0.bin Stopping: discover... done. Info: Fetching tftp...
Page 13 Built by root at gbbdev-maa-01 on Mon_Oct_18_14:16:54_UTC_2021 S4000 Boot Flash Label 3.21.2.9 Net Boot Label 3.21.2.9 NOTE: For the latest diagnostics version, see the Dell EMC S4048–Open Networking ...
Page 14 stack-unit 1 FLASH BOOT 9.14(2.11)[boot] 9.14(2.9) stack-unit 2 is not present. stack-unit 3 is not present. stack-unit 4 is not present. stack-unit 5 is not present. stack-unit 6 is not present. Dell...
Page 15 Installing Dell EMC Networking OS on the S4048-ON using ONIE NOTE: The Dell EMC Networking OS installer package, ONIE-FTOS-SK-9.14.2.11.bin, is required for installing Dell EMC Networking OS on S4048-...
Page 16 POST Configuration POST Configuration CPU Signature 406D8 CPU Family ID=6, Model=4D, Stepping Id=8, Processor=0 Microcode Revision 125 Platform ID: 0x10041838 PMG_CST_CFG_CTL: 0x40006 BBL_CR_CTL3: 0x7...
Page 17 Press <DEL> or <F2> to enter setup. Grub 1.99~rc1 (Dell EMC) Built by root at ubuntu on Mon_Oct_18_14:16:54_UTC_2021 S4000 Boot Flash Label 3.21.2.9 Net Boot Label 3.21.2.9 Press Esc to st...
Page 18 Erasing internal mass storage device: /dev/sda7 (6578MB) Percent complete: 100% Erase complete. Deleting partition 7 from /dev/sda Installing for i386-pc platform. Installation finished. No error repo...
Page 19 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 20 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 20
File Size 202.07 KB
Published June 23, 2026
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Frequently Asked Questions

What are the hardware specifications of the S4048-ON?

It has a dual core 1.7GHz CPU, 48 SFP+ ports, 6 QSFP+ ports, 3 fan subsystems, and two AC/DC PSUs.

How do I downgrade the OS from version 9.14.2.11 to an earlier version?

First uninstall the OA package, then downgrade the OS, and finally reinstall the older OA package.

What happens if I insert a non-Dell qualified 40G transceiver?

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

Is the REST API supported for AAA authentication?

No, the REST API does not support AAA authentication.

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