Using Ethtool to query Network and Driver Information
This utility allows querying and changing settings such as speed, port, auto-negotiation, PCI locations and checksum offload on many network devices, especially Ethernet devices.
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How to check SFP Module transceiver, Vendor name & power check
To check the details of an SFP module in Red Hat Enterprise Linux (RHEL), you can use the ethtool command. Use the following command to check the SFP module details for a specific network interface.
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How to check SFP Module transceiver, Vendor name
To check the details of an SFP module in Red Hat Enterprise Linux (RHEL), you can use the ethtool command. Use the following command to check the SFP module
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How To: Linux Show List Of Network Cards
Explains how to use command line to find and show information about Linux network interface names and list network cards using the CLI.
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Monitoring Interfaces and Transceivers Using ethtool
The ethtool command enables you to query or control the network driver and hardware settings. It takes the device name (like swp1) as an argument. When the device name is the only argument to ethtool,
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How To Read Optical Module Information On A Network Card In Linux
For optical modules used on switches, we read their information via brand-specific terminal commands. This guide introduces how to read optical module information when it is installed
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How to check the physical status of an ethernet port in
Great answer. A small addendum: /run/network/ifstate have some useful information too.
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How To: Linux Show List Of Network Cards
Explains how to use command line to find and show information
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Troubleshooting physical fiber SFP network modules
If your system is Linux based, there is a well known swiss army knife software called ethtool, which I believe every sysadmin should learn to use it, that can query or control network
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How to check Fibre Channel HBAs in Linux?
If the drivers are not offered by your Linux distribution, you must manually install them and load the modules in the kernel. This step-by-step tutorial will show you how to make sure your FC
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How to See Network Cards in Linux
This blog will provide a comprehensive guide on how to see network cards in Linux, covering basic concepts, usage methods, common practices, and best practices.
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Find NIC Model, Driver and Firmware Info In Linux
Use these command line utilities to get the network interface card (NIC) model, driver version and firmware version using a GNU/Linux operating system.
View moreLaser Diodes & VCSEL
High-power CW/pulsed laser diodes (808nm–1550nm) and VCSEL arrays for 3D sensing, LIDAR, and optical interconnects.
Silicon Photonics & CPO
Co-packaged optics engines, silicon photonics ICs, and optical I/O solutions for high-density switches and AI clusters.
Optical Transceivers & AOCs
400G/800G QSFP-DD/OSFP modules, active optical cables, and custom optical engines for data center interconnects.
Laser Drivers & CDR
Low-jitter laser drivers, integrated CDR circuits, and linear TIAs for coherent optics and short-reach links.