Additional IP address Fedora 36 / 37 / 38 / 39 Option 1: sudo nmcli con mod <interface-name> +ipv4.addresses "<ip-address>/<mask>" $ sudo nmcli con mod enp4s0f0 +ipv4.addresses "192.168.0.15/24" $ sudo nmcli con mod enp4s0f0 ipv4.method manual $ sudo nmcli con mod enp4s0f0 ipv4.dns "1.1.1.1 8.8.8.8 8.8.4.4" Option 2: vi /etc/NetworkManager/system-connections/<interface-name>.nmconnection and update entry under [ipv4] [ipv4] address1= ip-address / bit-mask[ , default-gateway] dns= ip-address ; [ ip-address ; [ ip-address ; ]] method=manual For example: $ nmcli enp3s0f0: connected to enp3s0f0 "Broadcom and subsidiaries NetXtreme BCM57766" ethernet (tg3), 38:C9:86:30:35:8C, hw, mtu 1500 ip4 default, ip6 default inet4 192.168.0.208/24 route4 192.168.0.0/24 metric 100 route4 192.168...