3. Client response: DHCP REQUEST

This stage is similar to the first, except that the client now requests a particular IP address from the DHCP server. Additionally, some clients will use this method to request the IP address they previously used (for instance last bootup); if it is denied (DHCP NAK) they will fall back to the first stage.

   UDP 0.0.0.0:68 (00:00:39:1C:0C:32) > 
       255.255.255.255:67 (FF:FF:FF:FF:FF:FF) DHCP REQUEST

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