4.3 Message Exchanges During DHCP Lease Renewal

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A DHCP transaction for renewing an IP address lease that involves NAP enforcement consists of the DHCPREQUEST and DHCPACK messages as described in sections 3.1.4.2, 3.1.5.4, and 3.2.5.2.4. The following figure demonstrates such a transaction.

DHCP lease renewal process

Figure 6: DHCP lease renewal process