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Router1 (config)# ip nat inside source list 10 pool IPCISCO overload Router1 (config)# interface FastEthernet0/1Īfter that we will use the below commands for PAT configuration: Router1 (config)# access-list 10 permit 10.0.0.0 0.0.0.255 Router1 (config)# interface FastEthernet0/0 Now, let’s do the classical NAT configuration and plus PAT configuration (overload). Router1(config-if)# exit Router2(config)# interface FastEthernet0/0 Router1(config)# interface FastEthernet0/1 Our PCs on Packet Tracer will be configured with below IP addresses. PAT (Port Address Translation) Configuration TopologyHere, we will start with the IP address configurations firstly. Because, for PAT configuration, we need a small change on the configuration. Here, we will use the same topology like Dynamic NAT configuration article.

pkt format in Packet Tracer Labs section.įirstly we identify the interfaces as inside and outside as before static and dynamic NAT configurations. You can also DOWNLOAD all Packet Tracer examples with. You can DOWNLOAD Packet Tracer example with. Here, with PAT(Port Address Translation), we translate each PC to a unique port number of a single public address. Here, we will learn PAT Configuration with Cisco Packet tracer. At this time you can use PAT instead of Static and Dynamic NAT translation. In some cases there can be hundreds of inside local addresses and at the same time your Global IP Addresses can be limited.