What is this command used for?

This command is used for display info regarding network configuration.

What properties get listed by using this command?

Fields such as rmnet0, usb0, sit0 and more along with their status(UP/DOWN) gets displayed using this command?

adb shell netcfg isn't supported in Android M and higher so make sure that you are running it on a lower version.

Home / ADB Commands /ADB-Shell-netcfg

System

ADB Debugging

Package Manager

Logcat

Wireless

File Manager

ScreenShot

Network

logcat

This command is used to display the networking configuration

adb shell netcfg

adb shell netcfg

What is this command used for?

This command is used for display info regarding network configuration.
What properties get listed by using this command?

Fields such as rmnet0, usb0, sit0 and more along with their status(UP/DOWN) gets displayed using this command?
Why is adb shell netcfg not working?

adb shell netcfg isn't supported in Android M and higher so make sure that you are running it on a lower version.