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Dell S4048T–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 S4048T-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 restrictions. Intended for network administrators.

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Rev. A00 May 2022

Dell S4048T–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 S4048T-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 Upgrading the ONIE Package for the S4048T-ON System Upgrading the DIAG Package for the S4048T-ON System Installing Dell Networking OS on the S4048T-ON using ONIE Upgrading the S4048T-ON Dell Networking OS Image using the Dell Networking OS CLI Upgrade the Boot Flash and BIOS from Dell Networking OS Upgrading the CPLD Uninstalling Dell Networking OS on the S4048T-ON Installing a Third Party Operating System 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 Forty-eight fixed 10GBase-T ports supporting 1G/10G speeds

Page Summary Contents For Dell S4048T–ON System Release Notes, OS Version 9.14.1.12 Owner's Manual

Page 1 Rev. A00 May 2022 Dell S4048T–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 Networkin...
Page 2 Hardware Six fixed QSFP+ ports supporting either one port of 40G or four ports of 10G in breakout mode Two PSUs Four fan modules One Micro USB serial console port One universal serial bus (USB Type-A)...
Page 3 Software Minimum Release Requirement ONIE 3.27.1.10–0 NOTE: For information on non-Dell OS versions, see the Release Notes for the Hardware Platform S4048T–ON. New Dell Networking OS Version 9.14(1.12...
Page 4 If you use the interface range command to select multiple interfaces that are added to the management VRF, the ipv6 address command does not display the autoconfig option. You can configure the autoco...
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: In certain scenarios, an MSDP learnt PIM TIB entry stays in registering state indefinitely. Release Notes: In certain scenarios, an MSDP learnt PIM TIB entry stays in registering state indef...
Page 7 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 8 NOTE: To choose an option from the menu, highlight one of the options using the up or down arrow key and press Enter. The following menu appears: GNU GRUB version 2.02~beta2+e4a1fe391 | ONIE: Install ...
Page 9 NOTE: You must copy the onie-updater-x86_64-s4048t_c2338-r0 file to the /tftpboot folder in the server. ONIE is updated on the system, as shown: ONIE:/ # onie-self-update tftp://10.16.127.86/tftpboot/...
Page 10 Use the ^ and v keys to select which entry is highlighted. Press enter to boot the selected OS, 'f' to boot FTOS, 'b' to go to BLI, 'o' to boot ONIE, 'd' to boot DIAG-OS, 'e' to edit the commands befo...
Page 11 Stopping: discover... done. ONIE:/ # 6. Configure an interface and assign an IP address to that interface using the following command: ONIE:/ # ifconfig eth0 10.16.133.213/16 7. Enter the following co...
Page 12 To install the Dell Networking OS version 9.14(1.12) on a new S4048T-ON device, perform the following steps: 1. Reboot the system. During the reboot process, the system displays the following message ...
Page 13 Info: eth0: Checking link... up. Info: Trying DHCPv4 on interface: eth0 Info: eth1: Checking link...down. ONIE: eth1: link down. Skipping configuration. ONIE: Failed to configure eth1 interface Starti...
Page 14 Upgrading the S4048T-ON Dell Networking OS Image using the Dell Networking OS CLI Bare Metal Provisioning NOTE: If you are using Bare Metal Provisioning (BMP), see the Bare Metal Provisioning topic in...
Page 15 EXEC PRIVILEGE Dell EMC# Dell EMC#write memory Mar 24 06:15:48: %STKUNIT1-M:CP %FILEMGR-5-FILESAVED: Copied running-config to startup-config in flash by default Dell EMC# 6. Reload the unit reload EXE...
Page 16 * a board RMA. Proceed with caution ! * Proceed upgrade Boot Flash image for stack-unit 1 [yes/no]: y Bootflash image upgrade for stack-unit 1 completed successfully. Dell EMC# 2. Upgrade the S4048T-O...
Page 17 Vendor Id : DL Date Code : 24032022 Country Code : CN Piece Part ID : CN-0YVCK0-28298-6BM-0080 PPID Revision : A00 Service Tag : 34P0Y42 Expr Svc Code : 681 424 632 2 Auto Reboot : enabled Burned In M...
Page 18 Type Version Target checksum boot selector 3.27.0.0-4 Control Processor passed FPGA IMAGE INFORMATION : Card FPGA Name Version stack-unit 1 S4048TON SYSTEM CPLD 12 stack-unit 1 S4048TON MASTER CPLD 13...
Page 19 EXEC PRIVILEGE Dell EMC#sh revision -- Stack unit 1 -- S4048TON SYSTEM CPLD : 12 S4048TON MASTER CPLD : 13 Dell EMC# NOTE: Do not power off the system while FPGA upgrade is in progress. For any querie...
Page 20 The uninstall process begins. Following is the log generated by the system while Dell Networking OS 9.14(1.12) uninstalls: Version : 3.27.1.0-3 Build Date: 2022-03-24T09:43-0700 Info: Mounting kernel ...
Page 21 Support Resources The following support resources are available for the S4048T-ON system. Documentation Resources This document contains operational information specific to the S4048T-ON system. For i...
Page 22 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 22
File Size 207.22 KB
Published July 01, 2026
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Frequently Asked Questions

What warning should I watch out for when installing power supplies or fans?

All installed fans and power supplies must have the same defined airflow direction; mixing directions will trigger an alarm and may cause auto-shutdown.

How do I safely downgrade the Dell Networking OS version on this system?

Before downgrading from 9.14(1.12), save your current configuration and manually remove the CDB files using write memory followed by delete flash://confd_cdb.tar.gz.* commands.

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

The switch will place the affected interface in an error-disabled (operationally down) state and generate a syslog message, as performance is not guaranteed for these optics.

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