« ip nat outside » permet de metre en place une translation d’adresse dans le sense Internet vers le Lan
- Inside Local = IP privé d’un host du résau local
- Inside Global = IP Publique utilisé pour le Nat
- Outside Local = IP privé de destination
- Outside Global = IP Publique de destination
Configuration
R4(config)#int fa0/0 R4(config-if)#ip nat inside R4(config)#int fa0/1 R4(config-if)#ip nat outside R4(config)#ip nat outside source static 80.80.80.21 213.36.21.10
Vérifications
R4#debug ip nat IP NAT debugging is on *Mar 12 17:14:55.443: NAT: s=80.80.80.21->213.36.21.10, d=10.10.0.101 [0] *Mar 12 17:14:55.467: NAT: s=10.10.0.101, d=213.36.21.10->80.80.80.21 [0] *Mar 12 17:14:56.451: NAT*: s=80.80.80.21->213.36.21.10, d=10.10.0.101 [0] *Mar 12 17:14:56.475: NAT: s=10.10.0.101, d=213.36.21.10->80.80.80.21 [0] *Mar 12 17:14:57.455: NAT*: s=80.80.80.21->213.36.21.10, d=10.10.0.101 [0] *Mar 12 17:14:57.475: NAT: s=10.10.0.101, d=213.36.21.10->80.80.80.21 [0] *Mar 12 17:14:58.455: NAT*: s=80.80.80.21->213.36.21.10, d=10.10.0.101 [0] *Mar 12 17:14:58.479: NAT: s=10.10.0.101, d=213.36.21.10->80.80.80.21 [0] *Mar 12 17:14:59.455: NAT*: s=80.80.80.21->213.36.21.10, d=10.10.0.101 [0] *Mar 12 17:14:59.479: NAT: s=10.10.0.101, d=213.36.21.10->80.80.80.21 [0] R4#show ip nat translations Pro Inside global Inside local Outside local Outside global --- --- --- 213.36.21.10 80.80.80.21 icmp 10.10.0.101:1792 10.10.0.101:1792 213.36.21.10:1792 80.80.80.21:1792