Gre tunnel linux

Aufbau

-192.168.33.1/24 -|garlic|-10.82.1.211---------------------10.82.1.195-|hubsi|-192.168.55.1/24

Interfaces

garlic

auto ens18
iface ens18 inet static
 address 10.82.1.211
 netmask 255.255.0.0
 gateway 10.82.0.1

auto dummy0
iface dummy0 inet static
 address 192.168.33.1
 netmask 255.255.255.0
 pre-up ip link add dummy0 type dummy

hubsi

auto ens18
iface ens18 inet static
 address 10.82.1.195
 netmask 255.255.0.0
 gateway 10.82.0.1

auto dummy0
iface dummy0 inet static
 address 192.168.55.1
 netmask 255.255.255.0
 pre-up ip link add dummy0 type dummy

Ipfordward on

• cat /etc/sysctl.conf

net.ipv4.ip_forward=1

• sysctl -p