Network interface port speed can only be verified in Linux using the ‘ethtool’ command.
![valid mac address checker valid mac address checker](https://home-cdn.reolink.us/wp-content/uploads/2019/07/mac-address-min.png)
When you run the IP command without any argument, it gives you plenty of information about NIC, but use the following customized IP command to check only the network interfaces available on the system: # ip a |awk '/state UP/'ĭc:a6:32:b2:8b:11 4) Check speed of a network interface Valid_lft forever preferred_lft forever 1) Checking available network interfaces Inet6 fe80::42:eaff:fe94:f15c/64 scope linkĥ: docker0: mtu 1500 qdisc noqueue state UP group default Link/ether 8e:a8:84:5c:60:d9 brd ff:ff:ff:ff:ff:ff permaddr dc:a6:32:ea:8b:03Ĥ: hassio: mtu 1500 qdisc noqueue state UP group default Our database comes in the following forms: JSON, CSV, XML, Cisco vendorMacs. Inet6 fe80::efe8:791c:c224:8453/64 scope link noprefixrouteģ: wlan0: mtu 1500 qdisc pfifo_fast state DOWN group default qlen 1000 Download an exhaustive MAC Address Vendor Database for your educational, business or enterprise needs. Link/ether dc:ae:32:ea:8b:02 brd ff:ff:ff:ff:ff:ff # ip aġ: lo: mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000
![valid mac address checker valid mac address checker](https://www.ionos.com/digitalguide/fileadmin/DigitalGuide/Screenshots_2018/EN-mac-address.png)
Ip command is similar to ifconfig, which is used for assigning Static IP Address, Route & Default Gateway, etc.
![valid mac address checker valid mac address checker](https://www.askapache.com/s/u.askapache.com/2009/11/MACaddress.png)
# sudo ethtool eth0 Checking Network Interface details with ethtool ip command
VALID MAC ADDRESS CHECKER DRIVER
The ethtool command is used to query or control network driver and hardware settings. Few ways to check Network Interface details in Linux such as interface name, associated IP address, MAC address and interface speed etc.