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Generic Routing Encapsulation (GRE)

Quand utiliser GRE ?

GRE

Configuration d'un tunnel GRE

GRE

R1(config)# interface Tunnel 0
R1(config-if)# tunnel mode gre ip
R1(config-if)# ip address 192.168.2.1 255.255.255.0
R1(config-if)# tunnel source 209.165.201.1
R1(config-if)# tunnel destination 198.133.219.97
R1(config-if)# router ospf 1
R1(config-router)# network 192.168.2.0 0.0.0.255 area 0

Verifiction du tunnel GRE

R1# show ip interface brief | include Tunnel
R1# show interface Tunnel 0