tldr/pages/linux/iw-dev.md

iw dev

Show and manipulate wireless devices. For a list of channels, frequencies and reg information: https://wireless.docs.kernel.org/en/latest/en/developers/documentation/channellist.html. More information: https://wireless.docs.kernel.org/en/latest/en/users/documentation/iw.html.

• Set device to monitor mode (interface must be down first. See also ip link):

sudo iw dev {{wlp}} set type monitor

• Set device to managed mode (interface must be down first):

sudo iw dev {{wlp}} set type managed

• Set device WiFi channel (device must first be in monitor mode with the interface up):

sudo iw dev {{wlp}} set channel {{channel_number}}

• Set device WiFi frequency in Mhz (device must first be in monitor mode with the interface up):

sudo iw dev {{wlp}} set freq {{freq_in_mhz}}

• Show all known station info:

iw dev {{wlp}} station dump

• Create a virtual interface in monitor mode with a specific MAC address:

sudo iw dev {{wlp}} interface add "{{vif_name}}" type monitor addr {{12:34:56:aa:bb:cc}}

• Delete virtual interface:

sudo iw dev "{{vif_name}}" del