Ethtool sfp eeprom ubuntu py Skip to content All gists Back to GitHub Sign in Sign up Utility for controlling network drivers and hardware - ethtool/sfpdiag. transceiver's EEPROM data. py I've got Mellanox hardware, but have had no success getting any information (even read-only) about installed modules. For example, issuing the following two commands is acceptable: ethtool -U enp130s0 flow-type ip4 src-ip 192. Use the following command to check the SFP module details for a specific network interface. The Ethtool does not recognize all types of cables, so for some cables it shows the EEPROM memory map without any parsing. Set Duplex Mode. py Skip to content All gists Back to GitHub Sign in Sign up May 23, 2018 · * How to identify the issue with the Unsupported SFP? While performing the command ” lspci | grep -i net”, you can see the number of NIC ports connected on the motherboard. 0. 43 dBm RHEL 7 also shows similar optical information: root@host Sep 18, 2024 · sudo ethtool -s enp0s3 autoneg on speed 1000 duplex full. Apr 12, 2024 · Whilst "ethtool" exists, it is limited and does not allow the "-m" switch to poll the SFP 'module eeprom'. Jun 25, 2024 · Intel x520 EEPROM Patcher allows to unlock the x520 network card to work with non-intel branded SFP modules. 4-1_amd64 NAME ethtool - query or control network driver and hardware settings SYNOPSIS ethtool devname ethtool-h|--help ethtool--version Intel x520 EEPROM Patcher allows to unlock the x520 network card to work with non-intel branded SFP modules. So I read the data from the EEPROM with ethtool. py Skip to content All gists Back to GitHub Sign in Sign up Apr 9, 2024 · It does however get the result that the rtl8221b on a sfp module functions correctly, with and without (as optical sfp) the phy attached and without using a sfp-quirk/ethtool to disable auto-negotiation. To dump eeprom, you can use ethtool -m *your sfp port here* raw on > dump. 3. lspci |grep Ether Provided by: ethtool_3. If link is setup for module connectivity: • Firmware verifies that the connected module is a qualified module (when enabled). Now, you can check the number of interfaces by running the command “ip a”, and compare the number of links detected with the number of NIC ports detected while Provided by: ethtool_4. Not all cable types are supported by the Ethtool. py Skip to content All gists Back to GitHub Sign in Sign up ethtool--cable-test devname ethtool--cable-test-tdr devname [first N] [last N] [step N] [pair N] ethtool--show-tunnels devname ethtool--show-module devname ethtool--set-module devname [power-mode-policy high|auto] ethtool--get-plca-cfg devname ethtool--set-plca-cfg devname [enable on|off] [node-id N] [node-cnt N] [to-tmr N] [burst-cnt N] [burst Provided by: ethtool_5. As such after patching the EEPROM ensure to try out multiple modules. Update: Now I see in dmesg that "the driver failed to link because an unqualified module was detected". py Skip to content All gists Back to GitHub Sign in Sign up Intel x520 EEPROM Patcher allows to unlock the x520 network card to work with non-intel branded SFP modules. $ sudo ethtool-E eno1 magic 0x10fb8086 offset 0x58 value 0xfd Let's check if we were successful [root@centos7 ~]# ethtool -m enp81s0f3 Identifier : 0x03 (SFP) Extended identifier : 0x04 (GBIC/SFP defined by 2-wire interface ID) Connector : 0x07 (LC) Transceiver codes : 0x20 0x00 0x00 0x00 0x00 0x00 0x00 0x00 Intel x520 EEPROM Patcher allows to unlock the x520 network card to work with non-intel branded SFP modules. d. 3010 V Receiver signal average optical power : 0. I run 'lspci | grep Ether' and I can see the SFP port. Jul 9, 2014 · I am working on a project where we are trying read the eeprom of the SFPs plugged into the server. Such functionality is not implemented in macb driver. The new hex value below is identical to simply flipping the last binary bit in the fc hex value. 0-30-lowlatency kernel on the first Ubuntu Studio 14. Sep 28, 2020 · First, I used ethtool. 5-1_amd64 NAME ethtool - query or control network driver and hardware settings SYNOPSIS ethtool devname ethtool-h|--help ethtool--version May 29, 2019 · To make life easier for others, here's a quick-and-dirty patcher written in python that does the bitstring calculations and the flashing in one go: Intel x520 EEPROM Patcher allows to unlock the x520 network card to work with non-intel branded SFP modules. 9 User Guide. It reports: "Cannot get module EEPROM information: Operation not supported" Is this feature supported by the NIC and the Intel driver i40e? I am using the following driver and firmware: driver version: 2. May 28, 2022 · Ethtool Usage. . 15-0ubuntu1_amd64 NAME ethtool - query or control network driver and hardware settings SYNOPSIS ethtool devname ethtool-h|--help ethtool Let me answer myself. sudo ethtool –s [device_name] speed [10/100/1000] duplex [half/full] autoneg [on/off] When I entered the above command, the speed immediately changed. sudo ethtool -m sfp1. Attaching lspci -vv, ethtool and ethtool -i outputs. Feb 21, 2023 · Describe the bug mt6271 devices with sfp cannot read EEPROM from SFP module using ethtool -m sfp. py Jul 23, 2019 · The eeprom module needs to find an SPD eeprom on a special i2c bus called SMBus. lspci |grep Ether Apr 22, 2005 · I have a system with X553 SFP+ slots interface(4 of em). As you have found out already, you can do lshw -class network -businfo. py Provided by: ethtool_4. Using the following commands provide the NIC card information but not the SFP. 0 eth0 network RTL8101E/RTL8102E PCI Express Fast Ethernet controller Intel x520 EEPROM Patcher allows to unlock the x520 network card to work with non-intel branded SFP modules. py Skip to content All gists Back to GitHub Sign in Sign up May 29, 2019 · To make life easier for others, here's a quick-and-dirty patcher written in python that does the bitstring calculations and the flashing in one go: Intel x520 EEPROM Patcher allows to unlock the x520 network card to work with non-intel branded SFP modules. May 3, 2024 · Then execute the ethtool -m <interface> command to obtain the SFP module information corresponding to the interface. py Oct 27, 2021 · I am trying to measure the optical receving/transmitting levels with ethtool on the server. py Skip to content All gists Back to GitHub Sign in Sign up Jul 7, 2020 · Webmaster and online service providers often inform that they are receiving a “no such device” message while using the ethtool command. Mar 19, 2014 · I'm trying to figure out how I can read, write, and update memory addresses for eeprom on a pci network card using c language on ubuntu. Hi All, I would like to be able to read content of SFP's eeprom with the ethtool (or any other) Feb 18, 2023 · cumulus@switch$ sudo ethtool -m swp3 Identifier : 0x03 (SFP) Extended identifier : 0x04 (GBIC/SFP defined by 2-wire interface ID) Connector : 0x07 (LC) Transceiver codes : 0x00 0x00 0x00 0x01 0x20 0x40 0x0c 0x05 Transceiver type : Ethernet: 1000BASE-SX Transceiver type : FC: intermediate distance (I) Transceiver type : FC: Shortwave laser w/o ethtool--cable-test devname ethtool--cable-test-tdr devname [first N] [last N] [step N] [pair N] ethtool--show-tunnels devname ethtool--show-module devname ethtool--set-module devname [power-mode-policy high|auto] ethtool--get-plca-cfg devname ethtool--set-plca-cfg devname [enable on|off] [node-id N] [node-cnt N] [to-tmr N] [burst-cnt N] [burst Nov 18, 2022 · When I do ifconfig, below is the output, I have the virbr0,virbr1, and also the vnet 0 - 20. Nov 18, 2022 · When I do ifconfig, below is the output, I have the virbr0,virbr1, and also the vnet 0 - 20. 10, trying ethtool -m to read the EEPROM data failed, and said the module does not support the operation. Below example shows how to set speed or duplex mode using ethtool command is as follows: # ethtool -s eth0 speed 100 duplex full # ethtool -s eth0 speed 10 I find a solution: use the ethtool tool. - intel_x520_patcher. Mar 29, 2021 · # ethtool -s eth0 speed 100 duplex full # ethtool --change eth0 speed 10 duplex half # ethtool eth0 # ethtool eth0 | egrep -i 'speed|duplex' Here is what I see: Speed: 10Mb/s Duplex: Half Conclusion. We are using Mellanox Connect2-EN and have not been able to do that. Intel x520 EEPROM Patcher allows to unlock the x520 network card to work with non-intel branded SFP modules. Can some please point me in the right direction to get star Nov 26, 2022 · As such just patching the EEPROM or setting allow_unsupported_sfp will not have an effect if the driver determines that it's not a 10GE module. 0 Cannot get module EEPROM information: No such device admin@str2-msn4600c-acs-01:~$ docker ps Dec 17, 2024 · Motivation: Knowing the current settings of your network interface is crucial for diagnosing network-related performance issues. Use ethtool_opts Variable to Permanently Set ethtool Command Settings. SEE: System Monitoring Policy (Tech Pro Research) Installing ethtool Networking: Must-read coverage. py Skip to content All gists Back to GitHub Sign in Sign up Or, for Linux, just add options ixgbe allow_unsupported_sfp=1 to some file in /etc/modprobe. Not sure why I have this, because I just got this server few days ago. Implements SFF8472, SFF8436 and SFF8636 for parsing SFP(+), QSFP, QSFP28, etc. g. when I rebooted the PC, the speed went back to unknown. Aug 29, 2019 · When working on SLES 11 SP3, with ethtool v4. py Oct 25, 2017 · Support reading the raw or formatted data from SFP/SFP+/QSFP module EEPROM, such that "ethtool -m" returns. – Dec 16, 2020 · I have executed ethtool -m on one of the SFPs on a server and now I am trying to interpret it. 04. 2290 mW / -6. sudo lshw -class network lspci -vvvnn also Ethtool -e eth3 states: Apr 26, 2024 · What could cause ethtool to provide the full eeprom data as hex, but to (apparently) truncate text output? Are there any known alternatives to ethtool? Any other known parsers/converters we could feed ethtool's hex output into? Supermicro Box (SYS-110D-8C-FRAN8TP), Ubuntu, Intel NIC, ice kernel module. 1-1_amd64 NAME ethtool - query or control network driver and hardware settings SYNOPSIS ethtool devname ethtool-h|--help ethtool--version Dec 11, 2024 · Do these boards have a driver or Linux build that supports dumping SFP+ module EEPROM and registers, and writing to them? With ethtool I get: root@OpenWrt:~# ethtool -i eth1 driver: mtk_soc_eth version: 6. this system When i install Ubuntu 24. In the output result, you can find the “Serial number” field, which is the serial number of the SFP module. Affected devices: Mikrotik RB760IGS, SNR-CPE-ME2-SFP. 00# ethtool -m eth1 offset 0x14 length 32 raw on JDSU PLRXPLSCS432 bash-3. 04 machine and. Like Liked Unlike Reply Jul 9, 2014 · I am working on a project where we are trying read the eeprom of the SFPs plugged into the server. 1_amd64 NAME ethtool - query or control network driver and hardware settings SYNOPSIS ethtool devname ethtool-h|--help ethtool Jun 25, 2024 · Intel x520 EEPROM Patcher allows to unlock the x520 network card to work with non-intel branded SFP modules. I found one way Ethtool_opt Variable to Permanently Set Ethtool Command Settings. Detailed SFP module information output by the ethtool command: How to Check SFP Module Serial Number in Linux System Intel x520 EEPROM Patcher allows to unlock the x520 network card to work with non-intel branded SFP modules. It's nice that the Linux driver has this option, but most other platforms (e. 16-1ubuntu0. Maybe in your case this data can be found somewhere in /sys filesystem without call of the ethtool. 5G modules on RTL8221B chip, because I accidentally damaged the eeproms in my SFP 😉 An example reading as below will be OK, thank you 🙂 rafal@Ubuntu:~/openwrt$ sudo ethtool -m sfp2 hex on Offset Values ------ ------ 0x0000: 08 00 27 f4 de 65 00 00 ff ff 00 00 00 00 00 00 0x0010: 00 00 00 00 08 44 1e 00 86 80 0e 10 86 80 40 30 0x0020: 00 00 00 00 00 00 00 00 To check the details of an SFP module in Red Hat Enterprise Linux (RHEL), you can use the ethtool command. OpenWrt version r20028-43d71ad93e OpenWrt target/subtarget ramips/mt7621 Device Mikro Jun 25, 2024 · Intel x520 EEPROM Patcher allows to unlock the x520 network card to work with non-intel branded SFP modules. Confirm that the changes have been applied by running the ethtool [device_name] command without options. 6. , eth0, eth1): # ethtool -m <interface> For Example: Aug 12, 2022 · sudo ethtool -m enp43s0 Identifier : 0x03 (SFP) Extended identifier : 0x04 (GBIC/SFP defined by 2-wire interface ID) Connector : 0x07 (LC) Transceiver codes : 0x10 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 Transceiver type : 10G Ethernet: 10G Base-SR Encoding : 0x06 (64B/66B) BR, Nominal : 10300MBd Rate identifier : 0x00 (unspecified) Length (SMF,km) : 0km Length (SMF) : 0m Length (50um) : 80m Feb 28, 2024 · When using openwrt, you need to install ethtool-full and i2c-tools before operating. 04 machine. 🥺 Was this helpful? Please add a comment to show your appreciation or Jan 28, 2025 · Intel x520 EEPROM Patcher allows to unlock the x520 network card to work with non-intel branded SFP modules. Introduce bool phylink_basex_no_inband(pl), a function similar to bool phylink_phy_no_inband(phy). 23 Jun 25, 2024 · Intel x520 EEPROM Patcher allows to unlock the x520 network card to work with non-intel branded SFP modules. py Jul 12, 2021 · To install ethtool on CentOS, Fedora, AlmaLinux, and Red Hat: $ sudo dnf install ethtool To install ethtool on Arch Linux and Manjaro: $ sudo pacman -S ethtool Now that it’s installed, you can use one or more of the following commands below to test the network connection of a physical cable. Jun 20, 2016 · I am running 3. ifconfig. py Jun 22, 2016 · I am running 3. See the ethtool command man page for more information: $ man ethtool. Provided by: ethtool_5. This user guide provides in-depth documentation on the Cumulus Linux installation process, system configuration and management, network solutions, and monitoring and troubleshooting recommendations. Jul 6, 2022 · # cat /etc/rc. But the 3 copper ones various. Dec 22, 2023 · I need eeprom dump from SFP 2. I get this printout, Identifier : 0x03 (SFP) Extended identifier : 0x04 (GBIC/SFP defined by 2-wire interface ID) Connector : 0x07 (LC) Transceiver codes : 0x10 0x00 0x00 0x01 0x00 0x00 0x00 0x00 0x00 Transceiver type : 10G Ethernet: 10G Base-SR Transceiver type : Ethernet: 1000BASE-SX Encoding Jan 21, 2022 · ethtool -m enp1s0f1 Identifier : 0x03 (SFP) Extended identifier : 0x04 (GBIC/SFP defined by 2-wire interface ID) Connector : 0x07 (LC) Transceiver codes : 0x20 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 Transceiver type : 10G Ethernet: 10G Base-LR Encoding : 0x06 (64B/66B) BR, Nominal : 10300MBd Rate identifier : 0x00 (unspecified) Length (SMF,km May 21, 2019 · Yes, if you are using this card in Linux and loading the kernel module with the allow_unsupported_sfp parameter set to 1, then your SFP will work regardless of what that bit in the EEPROM is set to. 01 LTS the network device stay in a disconnected state. Ubuntu is an open source software operating system that runs from the desktop, to the cloud, to all your internet connected things. Jun 26, 2019 · Depends on what data you want to collect. And I think the 'connector type' would be the most crucial info for me to achieve the goal. For instance, here's my output: $ sudo lshw -c network -businfo Bus info Device Class Description ===== pci@0000:0e:00. 1808 mW / -7. Else Intel's driver will block initialization. Nov 28, 2018 · The device tree part of the sfp-eeprom code: My guess is the SFP driver is responsible for that trigger that should happen once the SFP module is inserted, and should trigger the creation of eeprom file. By default, the system reverts the changes made with ethtool after a system reboot. 40 dBm Module temperature : 39 degrees C / 103 degrees F Module voltage : 3. This happens due to missing interface, driver issue etc. 5 src-port 55 action 10 Issuing the next two commands, however, is not acceptable, since the first specifies "src-ip" and the second specifies "dst-ip Linux kernel source tree. Would like to ask you what am i missing ? some binding code from sfp driver to trigger the i2c scan or something? Any suggestion? Thanks in Dec 17, 2020 · 我已经ethtool -m在服务器上的一个 SFP 上执行了，现在我正在尝试解释它。我得到这个打印输出， Identifier : 0x03 (SFP) Extended identifier : 0x04 (GBIC/SFP defined by 2-wire interface ID) Connector : 0x07 (LC) Transceiver codes : 0x10 0x00 0x00 0x01 0x00 0x00 0x00 0x00 0x00 Transceiver type : 10G Ethernet: 10G Base-SR Transceiver type : Ethernet: 1000BASE-SX root@test:~# ethtool -m enp1s0f0 Identifier : 0x03 (SFP) Extended identifier : 0x04 (GBIC/SFP defined by 2-wire interface ID) Connector : 0x07 (LC) Transceiver codes : 0x10 0x00 0x00 0x01 0x00 0x00 0x00 0x00 0x00 Transceiver type : 10G Ethernet: 10G Base-SR Transceiver type : Ethernet: 1000BASE-SX Encoding : 0x06 (64B/66B) BR, Nominal Dec 17, 2020 · 我已经ethtool -m在服务器上的一个 SFP 上执行了，现在我正在尝试解释它。我得到这个打印输出， Identifier : 0x03 (SFP) Extended identifier : 0x04 (GBIC/SFP defined by 2-wire interface ID) Connector : 0x07 (LC) Transceiver codes : 0x10 0x00 0x00 0x01 0x00 0x00 0x00 0x00 0x00 Transceiver type : 10G Ethernet: 10G Base-SR Transceiver type : Ethernet: 1000BASE-SX Cumulus Linux 5. c at master · cisco-open-source/ethtool Intel x520 EEPROM Patcher allows to unlock the x520 network card to work with non-intel branded SFP modules. bin, then download the bin using winscp or something and open it using SFPTotal Wizard(It is used to calculate checksum, you can use other software instead) May 2, 2023 · the device seems health and this is the output of the command. py Intel x520 EEPROM Patcher allows to unlock the x520 network card to work with non-intel branded SFP modules. 16. py Dec 4, 2013 · You can extract the serial number from the SFP interface by running ethtool's EEPROM dump command, with the 'raw' extension: $ ethtool -m eth0 raw on View solution in original post. local ethtool -s eth0 speed 100 duplex full autoneg on 1>/dev/null 2>/dev/null ethtool -s eth1 speed 100 duplex full autoneg on 1>/dev/null 2>/dev/null 5. py Skip to content All gists Back to GitHub Sign in Sign up $ sudo ethtool-e eno1 offset 0x58 length 1 Offset Values----- -----0x0058: fc Write the new value to the card's EEPROM. 63 firmware-version: expansion-rom-version: bus-info: 15100000. 168. 4-1_amd64 NAME ethtool - query or control network driver and hardware settings SYNOPSIS ethtool devname ethtool-h|--help ethtool--version Aug 25, 2022 · Wrapper for Kernel's ethtool ioctls written in #GoLang. 604 mA Laser output power : 0. We switched to SLES 12 SP3, with the same version of ethtool and i40e, and then ethtool -m worked fine. Contribute to torvalds/linux development by creating an account on GitHub. 4. Replace with the name of your network interface (e. py Skip to content All gists Back to GitHub Sign in Sign up ETHTOOL(8) System Manager's Manual ETHTOOL(8) NAME top ethtool - query or control network driver and hardware settings SYNOPSIS top reading eeprom from SFP with ethtool. I inserted the SFP cable and I can see the lights are blinking but no eth is showing on ifconfig. Many similar functions exist in " esxcli ", such as " esxcli hardware pci list " and " esxcli network nic get -n vmnicX ", however, relevant to the SFP they only provide L ayer 1 speed and connectivity status but no transceiver-specific data. For a full list of commands type ethtool -h or see the man page, ethtool(8), for a more comprehensive list and explanation. #ethtool -t eth0 The test result is PASS The test extra info: Register test (offline) 0 Eeprom test (offline) 0 Interrupt test (offline) 0 Loopback test (offline) 0 Link test (on/offline) 0 if cable is connected,link test is 0,otherwise is 1. - wobcom/go-ethtool Dec 22, 2023 · I need eeprom dump from SFP 2. 5 and i40e v2. 0-43-generic kernel on the second Ubuntu Desktop 14. ethernet supports-statistics: yes supports-test: no supports-eeprom-access: no supports-register-dump: no supports-priv-flags May 22, 2017 · I would like to read-out the module eeprom of QSFP transceiver connected to a XL710-QDA1 NIC. sudo lshw -class network lspci -vvvnn also Ethtool -e eth3 states: Jun 16, 2024 · ubuntu@ubuntu:$ ubuntu@ubuntu:$ ubuntu@ubuntu:$ #### it seems to be linkdown, but linked up on switch side #### ubuntu@ubuntu:$ ubuntu@ubuntu:$ sudo ethtool enp2s0f1: Settings for enp2s0f1: Supported ports: [ FIBRE ] Supported link modes: 10000baseT/Full : Supported pause frame use: Symmetric: Supports auto-negotiation: No: Supported FEC modes Nov 10, 2024 · 在 服务器 管理和维护过程中，查看 光模块信息 是一项常见且重要的任务，光模块（如SFP、SFP+、QSFP等）是网络设备中用于传输数据的关键组件，了解其状态和参数对于确保网络稳定性和性能至关重要，以下是一些常用的Linux命令来查看服务器上的光模块信息： Provided by: ethtool_5. When a read operation to check the optical level occurs in the EEPROM, what kind of load occurs? When does an SFP or SFP-like optical module store information in EEPROM? Intel x520 EEPROM Patcher allows to unlock the x520 network card to work with non-intel branded SFP modules. But the SFP module properties can be get only through driver of NIC, because these values are gotten through internal i2c bus on NIC. 1 src-port 5300 action 7 ethtool -U enp130s0 flow-type ip4 src-ip 192. Good start. 00# ethtool -m eth1 offset 0x14 length 32 Offset Values ----- ----- 0x0014 4a 44 53 55 20 20 20 20 20 20 20 20 20 20 20 20 0x0024 00 00 01 9c 50 4c 52 58 50 4c 53 43 53 34 33 32 Intel x520 EEPROM Patcher allows to unlock the x520 network card to work with non-intel branded SFP modules. Below some examples: bash-3. py ubuntu@ubuntu:$ ubuntu@ubuntu:$ ubuntu@ubuntu:$ #### it seems to be linkdown, but linked up on switch side #### ubuntu@ubuntu:$ ubuntu@ubuntu:$ sudo ethtool enp2s0f1: Settings for enp2s0f1: Supported ports: [ FIBRE ] Supported link modes: 10000baseT/Full : Supported pause frame use: Symmetric: Supports auto-negotiation: No: Supported FEC modes Our Juniper switch shows SFP laser diagnostics like: > show interfaces diagnostics optics ge-7/3/0 Physical interface: ge-7/3/0 Laser bias current : 18. However. • Based on module type, optical or direct attach, firmware configures the PCS registers and Intel x520 EEPROM Patcher allows to unlock the x520 network card to work with non-intel branded SFP modules. The naive approach failed: ethtool -m eth0. The MCX354A-FCAT cards seem most likely to be helpful; the other cards are Connect-IB, and the switch is an "EMC Special" externally-managed SX6005, so I have basically zero control there. NVIDIA® Cumulus Linux is the first full-featured Debian bookworm-based, Linux operating system for the networking industry. So the SFP device-tree nodes *must* be removed from the GEM devices. Whether you are trying to troubleshoot a connectivity issue, verify the link speed, or simply document the current network configuration for auditing purposes, ethtool provides a comprehensive output that covers key parameters like supported link modes, current link Provided by: ethtool_6. py Skip to content All gists Back to GitHub Sign in Sign up Jan 26, 2017 · Also, ethtool is not specific to Ubuntu, and it can be used on most Linux distributions. Jul 30, 2015 · lshw and lspci are both capable of showing that information. Expand Post. Dec 12, 2019 · Checking for clues with dmesg leads me to believe that the NIC’s NVM firmware must be updated to a newer version that supports reading transceiver EEPROM data because the following message occurrs in dmesg every time I used ethtool -m to read the transceiver’s EEPROM data: Jun 9, 2020 · 4. ethtool -m eth0 Identifier : 0x03 (SFP) Extended identifier : 0x04 (GBIC/SFP defined by 2-wire interface ID) Connector : 0x21 (Co Jul 29, 2019 · The reason was that both Speed and Duplex were not set and I needed to use ethtool to set the speed to 100 Mb/s and duplex to full: sudo ethtool -s <adapter_name> speed 100 duplex full where <adapter_name> is the name that shows for the adapter when using ip a command. 13-1_amd64 NAME ethtool - query or control network driver and hardware settings SYNOPSIS ethtool devname ethtool-h|--help ethtool--version Apr 26, 2024 · What could cause ethtool to provide the full eeprom data as hex, but to (apparently) truncate text output? Are there any known alternatives to ethtool? Any other known parsers/converters we could feed ethtool's hex output into? Supermicro Box (SYS-110D-8C-FRAN8TP), Ubuntu, Intel NIC, ice kernel module. 5-1_amd64 NAME ethtool - query or control network driver and hardware settings SYNOPSIS ethtool devname ethtool-h|--help ethtool--version In this mode, the macb driver is used, and there isn't full support in there for SFP. 5G modules on RTL8221B chip, because I accidentally damaged the eeproms in my SFP 😉 An example reading as below will be OK, thank you 🙂 rafal@Ubuntu:~/openwrt$ sudo ethtool -m sfp2 hex on Offset Values ------ ------ 0x0000: 08 00 27 f4 de 65 00 00 ff ff 00 00 00 00 00 00 0x0010: 00 00 00 00 08 44 1e 00 86 80 0e 10 86 80 40 30 0x0020: 00 00 00 00 00 00 00 00 May 29, 2019 · Interesting case over here: got one Dell X520 (XYT17) that while giving ethtool the exact same output as with many others here (fc) it refuses to accept the bitflip root@ubuntu-management-station:~# ethtool -e ens161f0 offset 0x58 length 1 Offset Values----- -----0x0058: fc May 21, 2019 · One of the reasons for assuming this is that the code in the Linux driver (which Intel themselves wrote large portions of) that checks the IXGBE_DEVICE_CAPS_ALLOW_ANY_SFP bit in the EEPROM long predates the addition of the "allow_unsupported_sfp" option in the driver, which wass a relatively late addition (you can see this for yourself by ethtool--cable-test devname ethtool--cable-test-tdr devname [first N] [last N] [step N] [pair N] ethtool--show-tunnels devname ethtool--show-module devname ethtool--set-module devname [power-mode-policy high|auto] ethtool--get-plca-cfg devname ethtool--set-plca-cfg devname [enable on|off] [node-id N] [node-cnt N] [to-tmr N] [burst-cnt N] [burst Provided by: ethtool_3. 19. , Windows, ESXi) do not. 13-1_amd64 NAME ethtool - query or control network driver and hardware settings SYNOPSIS ethtool devname ethtool-h|--help ethtool--version Dec 12, 2019 · Checking for clues with dmesg leads me to believe that the NIC’s NVM firmware must be updated to a newer version that supports reading transceiver EEPROM data because the following message occurrs in dmesg every time I used ethtool -m to read the transceiver’s EEPROM data: Jun 25, 2024 · Intel x520 EEPROM Patcher allows to unlock the x520 network card to work with non-intel branded SFP modules. When i install on the exact same machine(net Provided by: ethtool_4. Three fiber ones' connector type are all 0x01(SC). The first two examples are information queries and show the use of the different formats of the Intel x520 EEPROM Patcher allows to unlock the x520 network card to work with non-intel branded SFP modules. To try and figure out what may be happening, Aug 16, 2023 · I want to distinguish several 1G SFP modules are copper or fiber. Run the following command: # ethtool -m <interface> By default, the Ethtool attempts to parse the output of the EEPROM and show it in a human-readable way. py Hi Ben, This patch adds a new option to dump (SFP+, XFP, ) module EEPROM following recent support to kernel side. 0 wlan0 network RTL8187SE Wireless LAN Controller pci@0000:14:00. It was confirmed that ethtool reads information from EEPROM inside the SFP module. py Skip to content All gists Back to GitHub Sign in Sign up We present here a short selection of often used ethtool commands together with some useful commands that are not well known. So details of this process is implemented in the driver.
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