Configure an address and install a route (Debian/Ubuntu client)Before you can configure the Debian/Ubuntu IPsec RA VPN client you must first put in place an appropriate address and route.This example shows the specific address and route that we use throughout the other examples in this section.Configure an address. ip address add 172.16.0.2/24 dev ens3Install a route.ip route add 10.10.2.0/29 via 172.16.0.254Parent topic: IPsec RA VPN client (Debian/Ubuntu)Next topic: Install IPsec RA VPN packages (Debian/Ubuntu client)