A Guide to Verifying the Configuration of Address Translation for Network Administrators

A network administrator has just configured address translation and is verifying the configuration. What three things can the administrator verify?

When verifying the configuration of address translation, a network administrator can check for the following three things:

1. Translation Table: The administrator can verify that the translation table is correctly populated with the appropriate mappings. This table associates the internal IP addresses with their corresponding translated addresses (typically public IP addresses). The administrator should ensure that the entries in the translation table are accurate and up to date.

2. Connectivity: The administrator can verify if the address translation is working correctly by testing the connectivity between a device with a private IP address and a device on the external network. This can be done by attempting to ping an external IP address from a device with a private IP address. If the ping is successful, it indicates that the translation is occurring properly.

3. Inbound and Outbound Translation: The administrator can also verify that both inbound and outbound translation are functioning correctly. Inbound translation refers to the translation of external IP addresses to internal IP addresses, allowing incoming communication to reach the appropriate internal device. Outbound translation, on the other hand, translates internal IP addresses to external IP addresses when internal devices send requests to external networks. The administrator can test both directions to confirm that the translation is functioning correctly in both scenarios.

By verifying these three aspects, the network administrator can ensure that the address translation configuration is correctly set up and functioning as expected.

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