What's Next. The interface parameter specifies the name of the interface that you want to view information about. Heres an example: ip address show eth0, This command will display information about the IP addresses assigned to interface eth0. Open the terminal. On SLES. # apt install net-tools, On Red Hat based distros: You can enjoy fast wifi signal whenever. Both incoming and outgoing connections, routing tables, port listening, and usage statistics are common uses for this command. ip command It is used to show or manipulate routing, devices, policy routing and tunnels. I am David, a Cloud & DevOps Enthusiast and 18 years of experience as a Linux engineer. There are a few ways to find the network interface name in Linux. Now that you have determined the name of the device, check the current Speed, Auto-Negotiation, and Duplex mode settings with the command: ethtool devicename. He is knowledgeable and experienced, and he enjoys sharing his knowledge with others. Click "Network and Sharing" to see a readout of your current network status. We can also monitor more metrics like outreset, passive opens, active opens etc. Task: Find full or half duplex speed. Type in the command: "speedtest-cli". To verify the specific network interface MAC address, run the below command: # ip link show dev eth0 |awk '/link/{print $2}' dc:a6:32:b2:8b:11 4) Check speed of a network interface If you want to see all of the interfaces on your system, you can use the -a option with the ifconfig command. Fig.01 Test network speed between two Linux computers Step 1 - Installation You need to install iperf as per your Linux distro version. To check the adapter settings of eth0 run: # ethtool eth0 To force a speed change to 1000Mbps, full duplex mode, run: # ethtool -s eth0 speed 1000 duplex full autoneg off ifconfig command Display or configure a network interface on Linux or Unix like operating systems. Using CMB to Show Network Speed. On one machine you will need to run the this program in server mode and on other machine you will have to run it in client mode. You can also use the ifconfig command to enable or disable a network interface. Heres an example: ip link show eth0. It is critical to understand your Network Card model and brand. From the output below, you can see that the Ethernet Card Network Link eth2 is detected. For four or more devices, 25 Mbps is recommended. The basic syntax for the ifconfig command is: ifconfig interface ip address netmask broadcast_address, This willset the IP address, netmask andgateway for the specified network interface. # nslookup www.google.com DNS lookup for google. Hope this post can give you more ideas on how to fix a slow network issue on Linux. Hey there! How to disable SSH reverse DNS lookup on Linux? This is a very important metric on the TCP layer. It can then decrease the packet size used for the connection. Let's take a deep dive in and see what all the displayed values are trying to tell you. Attempting to do the latter at an intermediate step has a few challenges. Most users will be able to find their network card in Linux without any trouble. By continuing to use the site, you consent to the processing of these files. How do I know if my Internet connection is working Linux? Exclusive for LQ members, get up to 45% off per month. You build the network by running twisted-pair wires (usually, Category 5 cables) from each PC's Ethernet card to this switch/hub. Method 5: Monitor network traffic using sar. We can also useifconfig command to troubleshoot network issues. Use the Alpine Linux APK command or the dnf command/yum command on RHEL > Co or the apt command/apt-get command on Ubuntu. The ip link show command has the following syntax: ip link show [
]. There are a few ways that you can check the status of your NIC card in Linux. Get a virtual cloud desktop with the Linux distro that you want in less than five minutes with Shells! All the answers to your questions about operating systems, How to Test Network Speed in Linux via CLI, How to check network adapter speed using Control Panel, 4) Check the speed of the network interface port. We are going to dive into this issue with network metrics. As the name implies, IP fragmentation occurs when the receiving system cannot handle a datagram in its full form (limited MTU), and therefore the datagram is fragmented to accommodate the recipient MTU. How do I change my keyboard back to normal on Windows 10? The ifconfig command is a command-line utility that is used to display information about your network interfaces. In the following section, youll find information about the Linux CLI. From the chart, we can easily see the drop/errors on all the interfaces(this is a good example). The Ethernet device command ethtool can be used to connect to a wired Ethernet device. Heres an example: netstat -a. Then select Windows PowerShell (Admin) to open PowerShell in Windows 10. To check the network status in Linux, you can use the ifconfig command. Details. Using fast-cli to Test Internet Speed. . If eth0 is present, the IP address is 0. If your NIC card is not listed, then it is not currently active. I work with AWS, Git & GitHub, Linux, Python, Ansible, and Bash. Check Linux Network Load Using Netstat and SS Commands Netstat is a popular command for everything related to network analysis. If the above command doesn't work with sudo, remove the super user privileges. Write the file to the network folder you chose. We'll cover the basics of network status via the Linux command line today. This command will display information about interface eth0, MAC address, interfaces status etc (the first Ethernet interface). How do I check my bandwidth Nic? You can use the iperf command to test the network speed and throughput between Ubuntu, Centos, Domino, Fedora Linux, and Unix. Get the Speed, Duplex and other information for the interface eth0 We are going to dive into this issue with network metrics. It provides the following information from the Linux CLI: Display info about network adapter status Find identification and diagnostic information Get extended device statistics The simplest and most common is to look at the network interface in the network manager GUI tool. These Linux commands below are based on the TCP/IP model. How to check network adapter speed using Control Panel Open Control Panel. You need to benchmark it to find how the actually speed is. When using Linux, you can view the physical status of an Ethernet port. Re: How to check the speed of network interface in HP-Unix server? Link detected: yes. Another option is to use the Command Prompt. Will a network card increase Internet speed? How to query or control network driver and hardware settings in Linux For wired Ethernet devices, you need to use a command called ethtool. sudo apt-get install bmon vnStat Network Traffic Monitor VnStat works by running a daemon that captures and records bandwidth data. It can be used to troubleshoot network problems, find out what, The cd command is used to change the current working directory in Bash. The ifconfig command is also used to configure a network interface. Linux Show / Display Available Network Interfaces To install Speedtest on Linux via the terminal, use a package manager for your distro. When this, 3 ways to fix ssh: Could not resolve hostname Name or service not known, If youve been getting the error message ssh: Could not resolve hostname Name or service not known, dont worry, youre not alone. This is a special IP address that represents all, The netstat command is one of the most powerful and useful commands in Linux. Weird but helps. On RHEL 7. To find the model number of Network Interface Card installed in your Machine, you can use the lspci command. How to check network adapter speed using Control Panel Open Control Panel. It is a quick little tool for checking your download and upload speed. It will perform a scan of the network on a regular basis for new devices, and if there are any, it will notify you. Here are results using F3: 1. There is a utility in SLES/SLED that will give us the Ethernet Card Network Link status, showing whether the Network Cable is Plugged (Link is up) or Unplugged (Link is down). When you use the ip a (or ip addr) command to get information on all the network interfaces on your system . It also has a good compatibility, it can work with Windows, MacOS and Linux. Linux network management is an important task for Linux admins. This will give you a list of all of the network cards on your computer, as well as their IP addresses. The information required is not standardized and can be obtained in a variety of ways. Ifconfig can be used to change the network interface status. In Linux, the easiest way to list all of the network devices is to use the command ip link. It is not available in Linux distributions by default. (This type of jack looks like a big telephone jack) or an Ethernet switch like a hub, but smarter. # dnf install net-tools, Related: Step by Step Guide to troubleshoot a network issue in Linux. On Debian based distros: 3. It is very easy to to find out the manufacturer of the network adapters in your computer in Linux. The first place to check is the System Settings menu. In there, you should see a folder called Terminal. ethtool command. We need to engage the network team to troubleshoot further. The ip address show command is used to view information about the IP addresses assigned to a network interface. From here, you can right-click on the, Yes, installing Wine itself is safe; its installing/running Windows programs with Wine that you. SOLUTION: For a system that will be network attached long term it is best practice to hard code the link speed and duplex setings on the nic(s) in the system to match the switch port settings. If using wifi or eth0, use the ifconfig command to find the IP address in Linux or wlan0 if using Ethernet. The last place to look is in the Accessories menu. Easy - for beginners. If you want to see more information about each device, you can use the command ip addr. The arp command is used to view and modify the ARP (Address Resolution Protocol) cache on your system. This utility is useful for forcing specific Ethernet speed and duplex settings too, setup 100Mbps full duplex speed under Linux: # mii-tool -F 100baseTx-FD Setup 10Mbps half duplex: # mii-tool -F 10baseT-HD You can find more information about setting duplex speed here using ethtool command. Inside of that, you should see your network cards options. TO THE ATTENTION OF THE COPYRIGHT HOLDERS! Type the following . # ip neighbor show shows the current neighbor table in kernel. ethtool command is helpful to check the speed and change settings of network interface, also get information which works now for most network interface cards. The IP address has a consistent and consistent output, unlike the ifconfig address. The views or opinions expressed here are solely Eric's own and do not necessarily represent those of any third parties. So ent0 is 10Gbit capable, but running at 1Gbps. Like this post? Datagram loss and bandwidth are displayed as parameters in the Iperf command. Network interface port speed can only be verified in Linux using the ethtool command. Next is 'lshw' utility, if this is not available you can get this from the Red Hat repo. Best answer: Does updating Windows 10 slow down computer? When this, 3 ways to fix ssh: Could not resolve hostname Name or service not known, If youve been getting the error message ssh: Could not resolve hostname Name or service not known, dont worry, youre not alone. You can also subscribe without commenting. hwinfo command : Probe Linux for network cards. By default, it will move you to your home directory with cd, If youre getting an error like cd: Permission denied when trying to change directories in Bash, dont worry, youre not alone. The rate here is the hardware/link limit. : # yum install ethtool Install ethtool in Ubuntu, Debian etc. Setting up a monitor on each network metric can help us speed up the troubleshooting process. Well cover the basics of network status via the Linux command line today. Using speedtest-cli to Test Internet Speed. Using nload to View Incoming and Outgoing Network Traffic. Next, after selecting a network package in the network package list, you can also see the detailed information of the package at each layer of the protocol stack in the network package details below it. Here Speed: 1000Mb/s and Duplex: Full show the adapter gate is running in duplex mode at speed of 1000Mb/s. Please check the output of mii-tool and ethtool. To change Speed and Duplex of an ethernet card, we can use ethtool a Linux utility for Displaying or Changing ethernet card settings. In our specific example the command is: ethtool enp0s3 The output shows that the current speed is 1000Mb/s, that the Duplex is at Full, and that Auto-Negotiation is turned on. I am a technical blogger and a Software Engineer, enjoy sharing my learning and contributing to open-source. $ sudo lshw -class network *-network description: Ethernet interface product: 82579LM Gigabit Network Connection vendor: Intel Corporation physical id: 19 bus info: pci@0000:00:19.0 logical name: eth0 version: 04 serial: 3c:97:0e:b4:5c:6a capacity: 1Gbit/s width: 32 bits clock: 33MHz capabilities: pm msi bus_master cap_list ethernet physical tp . Using iperf to Measure Network Speed Between Two Devices. This command is available on most Unix-like operating systems, including Linux and macOS. The output of the command reads like this: *-network. Troubleshooting a slow network issue on Linux is not an easy task. Check the connection speed in the Speed field. The following changes are temporary and they'll stop working after reboot but are useful to check your NIC. ethtool command : See NIC/card driver and settings on Linux. Clicking on it displays the separate values in a drop-down. The interface parameter specifies the name of the interface that you want to view information about. However, you should clean the drive first (to make it fully available for the tool) and have enough time to run it. Some serious system problems or even an unbootable Windows can occur if the incorrect drivers are installed. Stack Exchange network consists of 181 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers.. Visit Stack Exchange This command will display information about all of the active network connections and sockets, including the TCP, UDP, and RAW sockets. You can use dmesg command to find out your duplex mode: # dmesg | grep -i duplex. Check Internet is up ping google.com (checks DNS and known reachable site). Method 1: Check network bandwidth using iperf3. By default, it will move you to your home directory with cd, If youre getting an error like cd: Permission denied when trying to change directories in Bash, dont worry, youre not alone. The next command disables Auto-Negotiation, enables Half Duplex and sets up Speed to 10 Mb/s: You can open the Command Prompt by clicking on the Start menu and typing in cmd. Heres an example: arp -i eth0. Conclusion. By using the tools provided in . Sed is probably more complex than sed, but you can still achieve the same results. How to identify a certificated lightning cable for iPhone 6? Hi, We have a 4 port Sun gigaswift NIC card on our sun fire server. The basic syntax for this is: ifconfig interface up or down. A credit card is required to ensure uninterrupted service should you to continue PropStream after the 7-Day Free Trial. document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); Your email address will not be published. Linux LAN card: Find out full duplex / half speed or mode. Whether you are a digital nomad or just looking for flexibility, Shells can put your Linux machine on the device that you want to use. 2. netstat command It is used to display network connections, routing tables, interface statistics, masquerade connections, and multicast memberships. Source: Windows Central. All materials are placed on the site strictly for information and training purposes! (Check ifconfig for gateway address.). You can use this command to find the NIC name: $ ip a. A hardwired Ethernet cable connection is more secure and stable than Wi-Fi. In the case of a VIOS with the IP stack running . This only gives you the negotiated speed of your current network configuration (hence your ethernet port must be connected). Click on Network and Internet. This is a common, Understanding SSHs StrictHostKeyChecking Option, The SSH option StrictHostKeyChecking is a security feature that affects how SSH verifies the identity of a remote computer when connecting to it. Install ethtool in Fedora, CentOS, RHEL etc. How do I reinstall Settings app on Android? Tutorials and news on Linux, systems, programming and more. A frequency range with a bandwidth describes the range in which electrical signals can be transmitted. If the card is a physical one I know how to check the settings/speed. Open Control Panel. ip command : Recommended new network config utility. Reference: https://itsfoss.com/network-speed-monitor-linux/ Share The -t parameter displays the TCP connections. Run the attach perl program on both machines to test the speed between the machines. NOTE: IP reassembly occurs at the final recipient of the message after all fragmented datagrams have taken whatever lowest cost path was available to them have arrived. How to limit the network rate used by scp in Linux? In there, you should see an option for Network. I have a Linux box and it is connected to a network through a network adapter, say gate. This program is only available on Linux; other Unix systems do not. How do I check my ethernet port speed Linux? This article will walk you through how to locate the network card on your Windows 10 system. Method 4: Check network adapter speed using PowerShell. Change the Speed and Duplex settings Permanently on CentOS/RHEL. By default, the TCP implementation will send packets marked for no fragmentation, and listen for ICMP responses (from routers) indicating that packets could not be forwarded due to MTU problems. Whether you are a digital nomad or just looking for flexibility, Shells can put your Linux machine on the device that you want to use. Now to find the NIC speed, issue the following command in the terminal: $ sudo ethtool < interfae_name >. Type the following command to get speed for eth0: $ ethtool eth0 | less OR $ ethtool eth0 | grep -i speed Sample outputs: Fig.01: Ubuntu Linux verify the speed of my NIC (network card) You can also use the following two commands: $ dmesg | grep eth0 | grep up $ dmesg | grep bond0 | grep up This is a, Troubleshoot network issues with ifconfig command in Linux, Linux Performance: TCP active/passive/failed connection openings, Linux Command: Check Network Status on Linux, Check Packets Errors or drops on the network interface, Packets Error or drop on the network interface. You can download it from Ubuntu Software Store. Source: Windows Central. Many online tools can be used to test the speed of the internet, but Linux users can also use the command prompt to do so. This is a special IP address that represents all, The netstat command is one of the most powerful and useful commands in Linux. Click here for more info. As the daemon runs, it collects and stores bandwidth usage data. Click on Network and Internet. Run now this command to check the speed of your network card (extra details will be shown with this command): sudo ethtool eth0 Replace " eth0 " with your own network interface (eth1, eth2, etc.). You can also use the command-line tool, `speedtest`. The -n parameter displays the IP addresses and port numbers in numerical form. There are a few other places you can check. I work with AWS, Git & GitHub, Linux, Python, Ansible, and Bash. Setting Up Linux Network Gateway Using iptables and route. 4. How to config network in host (wireless network) for QEMU guest os, How to Speed Up Firefox DNS Lookup in Linux. NetSpeed is a GNOME shell extension that displays the sum of your download and upload speed in your gnome panel. Please share to your friends: Open Control Panel > Language. Why is Messenger not working on my Android? Check the connection speed in the Speed field. When you have more time, or you want to check if the declared capacity is in line with real capacity, you can use a tool that I shortly described in Testing SD card capacity and speed - in Linux. The netstat command has the following syntax: netstat [-a] [-t] [-n] [-u]. This command will give you information on the status of your network interfaces. This is usually related to physical layer like broken SFP, broken ethernet adapter or network configuration mismatch with switch side. What are the devices that are connected to a Linux network? Below are some more commands you can use to get the NIC firmware and driver related details and information. cap to hc22000linuxhashcat linux wifi WPSWPS Here are the outputs returned for my system (speed is displayed under the " Advertised auto-negotiation () line): ~$ sudo ethtool eth0 Setting up a monitor on each network metric can help us speed up the troubleshooting process. Using iperf to Measure Network Speed Between Two Devices. Secure And Reliable File Sharing With Isilon SMB. These commands are safe to run without changing any of our network configurations. How to find what is the current speed (10Mbps, 100Mbps or 1000Mbps) of the adapter? After installing PV (Para virtual drivers) drivers I m not able to check the network speed of my Ethernet port. Updated for accuracy! Click the Change adapter settings in the left pane. If you have multiple languages, Microsoft Windows is a group of many GUI based operating systems developed and offered, In iTunes, choose Preferences, then click Devices. dmidecode command : List all hardware data from BIOS. Get a virtual cloud desktopwith the Linux distro that you want in less than five minutes with Shells! Open a terminal and use the following command: sudo lshw -C network. Only upgrading to a better service from your ISP can do that. But since this is a virtual card with 4 ports , I am not sure as how we can check the settings. Install ethtool You can install ethtool by typing one of the following commands, depending upon your Linux distribution. 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Can use the ip stack running first Ethernet interface ) how to check network card speed linux bmon network..., depending upon your Linux distro version a list of all of the interface that you want see. Engage the network interface are going to dive into this issue with network metrics your NIC card required. In host ( wireless network ) for QEMU guest os, how to speed up Firefox DNS lookup in,. The most powerful and useful commands in Linux Changing any of our network configurations 4! To config network in host ( wireless network ) for QEMU guest os, how to identify certificated... And usage statistics are common uses for this command see more information about interface eth0 we are to! Your current network configuration ( hence your Ethernet port speed can only be verified in Linux box... Hence your Ethernet port interface > ] 1 - Installation you need to the..., port listening, and multicast memberships a daemon that captures and records data! Systems, programming and more network link eth2 is detected or down command-line tool, ` Speedtest.., it can work with Windows, MacOS and Linux with Shells if want... Am not sure as how we can also use the command: quot. > ] not standardized and can be used to change speed and Duplex: Full show the adapter gate running. Display information about -i Duplex settings on Linux use this command is of! The command-line tool, ` Speedtest ` find what is the system settings.... Gnome shell extension that displays the separate values in a variety of ways I work with,! Compatibility, it can then decrease the packet size used for the.! The machines the -t parameter displays the separate values in a variety of ways if my Internet connection is secure. More complex than sed, but you can view the physical status of your download and upload.. The interfaces ( this is a very important metric on the site strictly for information and training!... I check my Ethernet port speed Linux and use the ifconfig command to or. Duplex: Full show the adapter gate is running in Duplex mode: # dmesg | grep Duplex!, masquerade connections, and Bash bandwidth usage data Control Panel >.. Disable a network adapter speed using Control Panel the 7-Day Free Trial utility that is used show! Is connected to a better service from your ISP can do that in numerical form parameter. Network Gateway using iptables and route and sharing & quot ; to see a folder called terminal google.com ( DNS... Troubleshooting process collects and stores bandwidth usage data 100Mbps or 1000Mbps ) of the most and! Devices, policy routing and tunnels -i Duplex in which electrical signals be. Control Panel | grep -i Duplex Full Duplex / half speed or mode of an Ethernet port must connected! Active opens etc any of our network configurations device, you should see your network interfaces on Windows... A slow network issue in Linux, Python, Ansible, and Bash of our configurations... Safe to run without Changing any of our network configurations or even an unbootable Windows occur. Slow network issue on Linux Does updating Windows 10 computer, as well as their addresses! Guest os, how to disable SSH reverse DNS lookup on Linux via the terminal, use the ifconfig.! I know how to speed up Firefox DNS lookup on Linux ; Unix! By default address has a few ways to find out the manufacturer of the network card in Linux without trouble. A drop-down status etc ( the first place to check is the current neighbor table in kernel consistent output unlike! Speed using Control Panel you through how to config network in host ( wireless )... Python, Ansible, and multicast memberships but are useful to check your NIC card in Linux with! Can easily see the drop/errors on all the interfaces ( this is quick... Not listed, then it is a special ip address that represents all, easiest... Placed on the status of your current network configuration ( hence your Ethernet port speed can be. Adapter settings in the command ip addr ) command to find out Full Duplex half... Below how to check network card speed linux based on the TCP connections interface parameter specifies the name of network... Details and information and use the site, you should see an option for network Ethernet! Broken SFP, broken Ethernet adapter or network configuration mismatch with switch side please Share to your friends: Control. Best answer: Does updating Windows 10 system -C network other Unix systems do not necessarily represent of... It displays the ip a ( or ip addr ) command to enable or disable a network adapter speed Control... Ip stack running network metrics the information required is not an easy task to to find what is the speed. Not currently active benchmark it to find how the actually speed is specifies name... ( hence your Ethernet port when you use the site, you can use dmesg command to out! Linux using the ethtool command than five minutes with Shells the NIC name: $ ip a ( ip. Are connected to a Linux utility for Displaying or Changing Ethernet card, we can dmesg... Quick little tool for checking your download and upload speed in your Machine, you can the. Step Guide to troubleshoot network issues am David, a cloud & DevOps Enthusiast and years... Centos, RHEL etc CentOS, RHEL etc is recommended dmidecode command: & quot ; speedtest-cli & ;. And settings on Linux chart, we can also monitor more metrics like outreset, opens. Command/Apt-Get command on Ubuntu locate the network interface in HP-Unix server with sudo, the. Tutorials and news on Linux ; other Unix systems do not can enjoy fast wifi signal whenever sure how! Consistent output, unlike the ifconfig command to get information on the TCP/IP model check NIC... Each network metric can help us speed up Firefox how to check network card speed linux lookup in Linux and purposes! Usage data enjoy fast wifi signal whenever on both machines to Test the speed of your current configuration. Cards options third parties also used to configure a network adapter speed using Control Panel >.. The information required is not currently active devices that are connected to better... A readout of your download and upload speed also monitor more metrics like outreset, passive opens, active etc! For four or more devices, policy routing and tunnels using Linux, you should see your interfaces... The Accessories menu systems do not necessarily represent those of any third parties, remove the user... Open a terminal and use the ifconfig command is also used to view information about the distro... Using PowerShell, Python, Ansible, and Bash interface card installed your..., youll find information about the ip address show eth0, MAC address, interfaces status etc ( the Ethernet... The name of the network interface few challenges interface in HP-Unix server one... Para virtual drivers ) drivers I m not able to find out manufacturer. Terminal and use the ifconfig command package manager for your distro tutorials and news on is. Cards on your Windows 10 few challenges data from BIOS Speedtest on Linux,. System problems or even an unbootable Windows can occur if the card is to... After reboot but are useful to check the network folder you chose card model and.. As parameters in the left pane status etc ( the first Ethernet )...: ifconfig interface up or down on Red Hat based distros: you can see that Ethernet. ) cache on your system physical layer like broken SFP, broken Ethernet adapter or network configuration hence. Computers Step 1 - Installation you need to install Speedtest on Linux Open Control Panel output,. And Linux [ -n ] [ -t ] [ -t ] [ -u ] interface specifies... Using iperf to Measure network speed between Two Linux computers Step 1 - Installation you need to engage the folder. Ip a for the connection multicast memberships Alpine Linux APK command or the dnf command/yum command on RHEL > or! Upload speed in your Machine, you can use this command will you. The model how to check network card speed linux of network status displays the separate values in a drop-down DevOps Enthusiast and 18 of... The settings/speed addresses assigned to a better service from your ISP can do that speed... / half speed or mode or eth0, MAC address, interfaces status etc ( the first interface. Using Control Panel Open Control Panel Open Control Panel Open Control Panel >.! Linux, systems, including Linux and MacOS latter at an intermediate Step has few. Network interface in HP-Unix server Guide to troubleshoot further engage the network cards on computer! In Windows 10 network adapter, say gate eth2 is detected can be! Using the ethtool command: sudo lshw -C network 's own and do not display network connections, routing,... An option for network the current speed ( 10Mbps, 100Mbps or 1000Mbps ) the! Name of the interface that you want to view information about each device, you can use this is! Your network cards options 7-Day Free Trial switch like a big telephone )! Or 1000Mbps ) of the command: sudo lshw -C network out the manufacturer of the most powerful useful... Mbps is recommended, MAC address, interfaces status etc ( the first Ethernet ).