When Wi-Fi and Ethernet are both connected and Wi-Fi is the only way to to access the internet, kali linux default routing cannot access the internet. To access the internet on this system, Wi-Fi metric value should have lower value than Ethernet metric value.
The metric value of the network devices can be modified by nmcli command.
The following commands change Wi-Fi metric value from 600 to 50. After changing the metric value , Wi-Fi has lower metric value and the system can access the internet.
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# default network setting kali@kali:$ ip r default via 192.168.0.1 dev eth0 proto dhcp metric 100 default via 192.168.10.1 dev wlan0 proto dhcp metric 600 192.168.0.0/24 dev eth0 proto kernel scope link src 192.168.0.2 metric 100 192.168.10.0/24 dev wlan0 proto kernel scope link src 192.168.10.9 metric 600 # change wlan0 metric from 600 to 50 kali@kali:$ sudo nmcli connection modify access-point-name ipv4.route-metric 50 kali@kali:/mnt/tmp$ sudo nmcli connection up access-point-name Connection successfully activated (D-Bus active path: /org/freedesktop/NetworkManager/ActiveConnection/5) # current network setting kali@kali:$ ip r default via 192.168.10.1 dev wlan0 proto dhcp metric 50 default via 192.168.0.1 dev eth0 proto dhcp metric 100 192.168.0.0/24 dev eth0 proto kernel scope link src 192.168.0.2 metric 100 192.168.10.0/24 dev wlan0 proto kernel scope link src 192.168.10.9 metric 50 |