What is the purpose of the overload keyword in the ip nat inside source list 1 pool NAT_POOL overload command?

What is the purpose of the overload keyword in the ip nat inside source list 1 pool NAT_POOL overload command?

  • It allows many inside hosts to share one or a few inside global addresses.
  • It allows a pool of inside global addresses to be used by internal hosts.
  • It allows external hosts to initiate sessions with internal hosts.
  • It allows a list of internal hosts to communicate with a specific group of external hosts.
    Answers Explanation & Hints:

    Dynamic NAT uses a pool of inside global addresses that are assigned to outgoing sessions. If there are more internal hosts than public addresses in the pool, then an administrator can enable port address translation with the addition of the overload keyword. With port address translation, many internal hosts can share a single inside global address because the NAT device will track the individual sessions by Layer 4 port number.

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