Question

Match the steps with the actions that are involved when an internal host with IP address 192.168.10.10 attempts to send a packet to an external server at the IP address 209.165.200.254 across a router R1 that is running dynamic NAT.
A) Step1=the host send____________.
B) Step 2=R1 checks_____________.
C) Step 3=If there is no_____________.
D) Step 4=R1 selects_____________.
E) Step 5=R1 replaces_____________.

Answer 1

Answer:

Following are the steps with actions that are involved in required to perform a packet transfer.

Explanation:

• Step 1: The host sends a connection request to server which is at IP address 209.165.200.254
• Step 2: R1 check the configuration of NAT to inquire weather the packet should be translated or not.
• Step 3: If there is no entry found for translation of given IP address, It is assumed that the IP address 192.168.10.10  will be translated already.
• Step 4: R1 selects a global address  from the dynamic address pool that is available to it.
• Step 5: R1 replaces the given IP address 192.168.10.10  with the translated inside global address.

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