Question: What is the purpose of sending a Diameter Accounting-Request Interim-Update message with the Framed-IP-Address AVP in the context of PDN/PDP type IPv4v6 and deferred IPv4 address allocation?
Option 1: To inform the accounting server about the release of an IPv4 address.
Option 2: To inform the accounting server about the allocated IPv4 address for a previously allocated IPv6 prefix.
Option 3: To request the assignment of an IPv4 address from the AAA server.
Option 4: To indicate the deactivation of a PDP context.
Explanation: The Diameter Accounting-Request Interim-Update message with the Framed-IP-Address AVP is sent to inform the accounting server about the allocated IPv4 address for a previously allocated IPv6 prefix, allowing the accounting server to maintain accurate records of assigned IP addresses.