Arrange the following stes in the correct order for a DHCP Client to renew its…
2023
Arrange the following stes in the correct order for a DHCP Client to renew its IP lease with a DHCP server :
(A) DHCP client sends a DHCPREQUEST message
(B) DHCP server acknowledges the renewal with a DHCPACK message
(C) DHCP client checks the local lease timer and initiates renewal
(D) DHCP server updates its lease database
Choose the correct answer from the options given below :
- A.
(A), (B), (C), (D)
- B.
(C), (D), (B), (A)
- C.
(C), (B), (A), (D)
- D.
(C), (A), (B), (D)
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Correct answer: D
Correct sequence for DHCP lease renewal:
Step 1: The DHCP client checks the local lease timer and initiates the renewal process when appropriate.
Step 2: The client sends a DHCPREQUEST message to the DHCP server requesting renewal of the current lease.
Step 3: The DHCP server acknowledges the renewal by sending a DHCPACK message to the client.
Step 4: The DHCP server updates its lease database to record the renewed lease information.
Key idea: The client must initiate renewal before the server can respond or update records. If the server cannot renew the lease, it will send a DHCPNAK and the client must begin address acquisition again.