LINUX: How To Check Network Interface Speed/Bandwidth On Linux Hosts? ("ethtool" command)

Below ethtool command can be used for checking network interface speed/bandwidth in Gbits/sec on Linux hosts.

ethtool <interface> | grep Speed

For e.g. if you want to bond5 network interface speed, your command looks as follows:

# ethtool bond5 | grep Speed

Below is sample output of above command showing the speed as 40 Gbits/sec.

# ethtool bond5 | grep Speed
        Speed: 40000Mb/s

Products to which Article Applies

All Linux Operating Systems

Additional References

https://linuxhint.com/ethtool_commands_examples/

tarun boyella