NAT in Cisco Router (PAT)
1. Create a nat pool with single public ip address
router(config)#ip nat pool shrestha 175.176.229.33 175.176.229.33 net 255.255.255.0
2. Create access list permitting the local LAN
router(config)#access-list 1 permit 192.168.100.0 0.0.0.255
3. Map access list 1 to new pool using overload(PAT)
router(config)#ip nat inside source list 1 pool shrestha overload
4. Go to public ip interface and execute following command
ip nat outside
5. Go to local lan interface and execute following command
ip nat inside
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