Ubuntu 16.04 statische route einrichten

sudo vi /etc/network/interfaces
# This file describes the network interfaces available on your system
# and how to activate them. For more information, see interfaces(5).
 
source /etc/network/interfaces.d/*
 
# The loopback network interface
auto lo
iface lo inet loopback
 
# The primary network interface
auto ens160
iface ens160 inet static
        address 192.168.99.10
        netmask 255.255.255.0
        network 192.168.99.0
        broadcast 192.168.99.255
        gateway 192.168.99.1
        # dns-* options are implemented by the resolvconf package, if installed
        dns-nameservers 8.8.8.8 8.8.4.4
 
up route add -net 10.31.1.0/24 gw 192.168.99.1 dev ens160