Which UDP port is used by DHCPv6 for client messages?

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Study for the CPSA Port Numbers Exam. Practice with flashcards and multiple choice questions, each with hints and explanations. Get ready for your test!

Multiple Choice

Which UDP port is used by DHCPv6 for client messages?

Explanation:
DHCPv6 uses UDP with distinct client and server ports. The client sends its requests from UDP port 546 to the server's UDP port 547, and the server replies from port 547 back to the client’s port 546. Because DHCP messages are carried over UDP, the port used by client messages is 546. TCP isn’t used for DHCP, so TCP ports don’t apply here.

DHCPv6 uses UDP with distinct client and server ports. The client sends its requests from UDP port 546 to the server's UDP port 547, and the server replies from port 547 back to the client’s port 546. Because DHCP messages are carried over UDP, the port used by client messages is 546. TCP isn’t used for DHCP, so TCP ports don’t apply here.

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