Dynamic NAT Configuration in packet tracer ||Packet Tracer Labs|| CCNA for Beginners || Dinesh Kumar
#DynamicNAT#PacketTracer#CCNA
Unlike with static NAT, where you had to manually define a static mapping between a private and a public address, dynamic NAT allows you to map a private IP address to an IP address from out of a pool of public IP addresses. The router will dynamically pick an unassigned address from the pool. The dynamic entry will stay in the NAT translations table as long as the traffic is exchanged. After a period of inactivity, the entry will time out and the global IP address will be available for new translations.
With dynamic NAT, you specify two sets of addresses on your Cisco device:
the inside addresses that will be translated.
a pool of public IP addresses.
To configure dynamic NAT, the following commands are required:
1. configure the router’s inside interface using the ip nat inside command.
2. configure the router’s outside interface using the ip nat outside command.
3. configure an access list that has a list of the inside source addresses that should be translated.
4. configure the pool of global IP addresses using the ip nat pool NAME FIRST_IP LAST_IP netmask SUBNET_MASK command.
5. enable dynamic NAT with the ip nat inside source list ACL_NUMBER pool NAME global configuration command
Static NAT Configuration
• How to configure Static NAT in Packet Trac...
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