动态NAT

Router(config)#ip nat pool <name> <start_ip> <end_ip> {netmask <netmask> | prefix-length < prefix-length> }

router1(config)# no ip nat inside source static 160.10.1.2 169.10.1.2

router1(config)# ip nat pool pool1 169.10.1.50 169.10.1.100 netmask 255.255.255.0

router1(config)# ip nat inside source list 1 pool pool1

router1(config)# access-list 1 permit 160.10.1.0 0.0.0 .255