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All products: Contaminants such as dust on fiber optic connector end face causes poor IO performance
Dust or chemical contamination at the endface of a fiber optic LC connector or transceiver module impedes signaling. Dell engineering teams have verified cases in which a fully functional port appears to be a bad port because dirty optical connectors manifest as a port failing loop testing with acceptable power measurement levels. Cable connectors should be cleaned and when stored must be protected from dust particle or chemical contamination.
Updated: May 22, 2026
ID: 000246018
This document highlights minimum, recommended, and latest code versions for Dell Technologies Networking products. We carefully evaluate and monitor code deployment data to ensure that product releases meet our stringent expectations to provide our customers with reliable products and solutions.
Updated: August 03, 2026
ID: 000228560
This document highlights minimum, recommended, and latest code versions for Dell Technologies Enterprise and Data Center Infrastructure products. Dell carefully evaluates and monitors code deployment data to ensure that product releases meet our stringent expectations to provide our customers with reliable products and solutions.
Updated: August 03, 2026
ID: 000205512
This article explains the procedure to open a Service Request (SR) using the Dell support page.
Get help fast for your Dell device. No more waiting on hold. No more tech headaches.
Dell makes it simple to fix problems, schedule repairs, or get support—right from your device or our support website.
Updated: August 03, 2026
ID: 000132371
How to recover a forgotten password on a Dell PowerSwitch running OS9.
Updated: July 09, 2026
ID: 000121342
How to download the latest firmware from the Dell Support Website for Dell Networking N Series, X series, and PowerConnect Series switches.
Updated: July 09, 2026
ID: 000130371
For the Dell PowerSwitch and Cisco Nexus switches, syslog can be transmitted through Transport Layer Security (TLS) and audit logs. Ensure that the terminal access controller access-controller system (TACACS) is used for the audit logs.
Updated: May 22, 2026
ID: 000324431
Addition of VLANs to Unified Computing System (UCS) Manager when using updating service profile templates and vNIC templates.
Updated: May 16, 2026
ID: 000205564
This article explains the how to configure Management IP and route in DELL EMC OS10
Updated: May 08, 2026
ID: 000184302
WebTools does not launch after upgrading switch to FOS 9.x.
Updated: May 08, 2026
ID: 000183895
This article explains how to set up VLANs on Dell OS9 switches.
Updated: April 18, 2026
ID: 000119270
The steps in this article are applicable to Dell Networking OS9 switches that support Virtual Link Trunking (VLT).
Updated: April 18, 2026
ID: 000118094
How to set up QoS on Dell Networking PowerSwitches running OS9 for Voice over IP (VoIP).
Updated: April 18, 2026
ID: 000110390
How to Create a Port Channel Link Aggregation Group (LAG) on Dell Networking OS9 and Legacy Force10 switches
Updated: April 18, 2026
ID: 000106935
This is a general guide on how to get the Service Tag from dell switches (OS6, OS9, OS10, or SONiC).
Updated: February 27, 2026
ID: 000211667
The issue is about new routes are not being installed in the Broadcom hardware on Dell S5248F switches. OS10 can learn new routes, but it is not able to install them in the Broadcom hardware tables. This issue affects all platforms and all OS10 versions, but may be mitigated using switch's configuration or different platforms where the tables are larger than S5200.
Updated: January 28, 2026
ID: 000322394
Enterprise SONiC license key
Updated: January 21, 2026
ID: 000181766
This article explains on how to change the default VLAN to allow VLAN 1 to be tagged and associated to ports in Dell networking OS9 platforms.
Updated: November 25, 2025
ID: 000120077
Dell Networking Intermittent High ICMP Latency seen in S-series Switches running OS9 Firmware
Updated: November 13, 2025
ID: 000135228
Vulnerability scanners running against Dell Networking OS6, OS9, and OS10 are incorrectly showing the devices are vulnerable to CVE-2023-38408.
Updated: August 08, 2025
ID: 000217210
A brief overview of basic troubleshooting steps for fan issues across all Dell switch platforms with removable fan units.
Updated: August 06, 2025
ID: 000236921
This article provides switch configuration guidance for Dell PS Series and SC Series SANs. Switch vendors include Arista, Brocade, Cisco, Dell, Huawei, HP, Juniper, and others.
Updated: July 31, 2025
ID: 000124943
As a part of the deployment guidance for Dell EMC Storage Spaces Direct Ready Nodes, for infrastructures that use RoCE v2 for RDMA using Mellanox CX4 LX adapters, we recommend disabling DCBX willing globally in the host OS and setting network adapter DCBXMode to Host in charge.
Updated: July 30, 2025
ID: 000131009
Troubleshooting the Switch Fabric Module
Updated: July 29, 2025
ID: 000133835
This article explains how to verify the checksum of the firmware image downloaded into the DELL Networking OS10 switch.
Updated: July 17, 2025
ID: 000181434
This guide provides instructions on how to configure management networks for accessing networked devices using console servers, Ethernet out-of-band, and Ethernet in-band. Large production networks can span across multiple rooms, buildings, or cities, and contain dozens or hundreds of network switches. Using a management network separate from the production network is often desired to configure and manage these environments. There are three types of management networks that are discussed in this guide, each offering its benefits. Network administrators may use one or more methods to configure, test, and manage their setups.
Updated: July 14, 2025
ID: 000142535
The purpose of this guide is to provide general guidelines for troubleshoot layer 1 connectivity issues when using transceivers in Ethernet switches.
Updated: July 08, 2025
ID: 000317304
Best practices for troubleshooting Power Supply Units (PSUs) errors or failure on Dell Ethernet switches
Updated: July 08, 2025
ID: 000231924
A brief overview of basic troubleshooting steps across all Dell switch platforms for a switch that appears to be unresponsive.
Updated: July 08, 2025
ID: 000289866
Enable and configure the SupportAssist feature on Dell EMC Networking S-series Switches by using the necessary command line interface commands.
Updated: June 05, 2025
ID: 000122405