Answer by flaviut for How do I verify the speed of my NIC?
With systemd-networkd, you can use the networkctl command:$ networkctl status enp37s0● 2: enp37s0 Link File: /usr/lib/systemd/network/99-default.link Network File: /etc/systemd/network/enp37s0.network...
View ArticleAnswer by Pawel Jasinski for How do I verify the speed of my NIC?
If you are using network manager:nmcli -f CAPABILITIES.SPEED dev show <interface>For example:$ nmcli -f CAPABILITIES.SPEED dev show enp0s31f6 CAPABILITIES.SPEED: 100 Mb/s
View ArticleAnswer by maco1717 for How do I verify the speed of my NIC?
Also for future reference I've noticed that the speed field in ethtool gives the maximum speed supported by the NIC and mii-tool give the actual speed on which the NIC is running.[ root @ ]#...
View ArticleAnswer by dragon for How do I verify the speed of my NIC?
ethtool eth0 worked for me. Example:$ethtool eth0 |grep -i speedSpeed: 1000Mb/s
View ArticleAnswer by Christian for How do I verify the speed of my NIC?
It is possible to use the information from the kernel when ethtool is missing: cat /sys/class/net/<interface>/speedExample for interface named eth0:cat /sys/class/net/eth0/speed
View ArticleAnswer by Ryan Babchishin for How do I verify the speed of my NIC?
There are some great answers here, I just wanted to add a few more options.1. I know this is not quite what you asked (read on for other ways). But if you want to know the real world performance of...
View ArticleAnswer by Vikas Hardia for How do I verify the speed of my NIC?
Use below command dmesg | grep -i duplex Output: eth0: link up, 100Mbps, full-duplex, lpa 0x45E1refer this
View ArticleAnswer by Simon Gate for How do I verify the speed of my NIC?
NOTE: the man page for mii-tool has this disclaimer:This program is obsolete. For replacement check ethtool.Use mii-tool to watch the negotiated network speed.Ex.eth0: no linketh1: negotiated...
View ArticleAnswer by Jed Daniels for How do I verify the speed of my NIC?
As Khaled mentioned, you should be able to run ethtool with just the interface as an argument. This will list the supported speeds, the advertised speeds, the current speed, and a bunch of other things...
View ArticleAnswer by Khaled for How do I verify the speed of my NIC?
Just use a command like: ethtool eth0 to get the needed info. Ex: $ sudo ethtool eth0 | grep SpeedSpeed: 1000Mb/s
View ArticleHow do I verify the speed of my NIC?
I just installed a new gigabit network interface card (NIC) in Linux. How do I tell if it is really set to gigabit speeds? I see ethtool has an option to set the speed, but I can't seem to figure out...
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