Day 6. NAT
CCNA 200-125 Exam Topics
Configure, verify, and troubleshoot inside source NAT
Key Topics
To cope with the depletion of IPv4 addresses, several short-term solutions were developed. One short-term solution is to use private addresses and Network Address Translation (NAT). NAT enables inside network hosts to borrow a legitimate Internet IPv4 address while accessing Internet resources. When the requested traffic returns, the legitimate IPv4 address is repurposed and available for the next Internet request by an inside host. Using NAT, network administrators need only one or a few IPv4 addresses for the router to provide to the hosts, ...
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