4.2. Configuring Static Routes Using nmcli

nmcli con edit ens3

~]$ nmcli con edit ens3
===| nmcli interactive connection editor |===

Editing existing '802-3-ethernet' connection: 'ens3'

Type 'help' or '?' for available commands.
Type 'describe [<setting>.<prop>]' for detailed property description.

You may edit the following settings: connection, 802-3-ethernet (ethernet), 802-1x, dcb, ipv4, ipv6, tc, proxy
nmcli> set ipv4.routes 192.168.122.0/24 10.10.10.1
nmcli> save persistent
Connection 'ens3' (23f8b65a-8f3d-41a0-a525-e3bc93be83b8) successfully updated.
nmcli> quit