====== Cisco: GRE tunel ======
10.0.0.0
10.0.0.0
R1
R1
R2
R2
172.16.1.0
172.16.1.0
R3
R3
192.168.3.1
192.168.3.1
GRE
GRE
192.168.3.2
192.168.3.2
192.168.2.0
192.168.2.0
192.168.1.0
192.168.1.0
====== Notatki: ====== R1:\\ interface Tunnel0 ip address 192.168.3.1 255.255.255.0 tunnel source 192.168.1.1 tunnel destination 192.168.2.2 R3:\\ interface Tunnel0 ip address 192.168.3.2 255.255.255.0 tunnel source 192.168.2.2 tunnel destination 192.168.1.1 ====== GNS3 ======