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What is the step of DHCP process?

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Question ajoutée par Utilisateur supprimé
Date de publication: 2015/03/11
Muhammad Anzar
par Muhammad Anzar , DevOps/DevSecOps Architect , Confidential

This process of assigning the IP addresses by the DHCP server also known as DORA (Discover, Offer, Request, and Acknowledgement).

 

Step1:Your computer sends a "Discovery" request, asking for it's IP information from any listening DHCP servers.Step2:Any listening DHCP servers will "Offer" their configuration information to your workstation.Step3:You workstation chooses the best lease then "Requests" that lease from the corresponding DHCP server.Step4:The DHCP server you requested the IP configuration information from then "Acknowledges" your request and leases you the IP configuration information.

Jiyad Mundoly
par Jiyad Mundoly , Network Engineer , Future Group

The easiest way to remember is "DORA" . Discover. Offer, Request, Acknowledge. All are broadcast signals.

Saqib Mehmood
par Saqib Mehmood , Technical Team Lead/Safety Supervisor , Xchange Technology Group

DHCP Process contains following4  steps

 

STEP1: The Discover Phase

STEP2: The Lease Offer Phase

STEP3: The Lease Selection Phase

STEP4: The Lease Acknowledgment Phase

 

Lease allocation process

 

1. Client Creates DHCPDISCOVER Message

2. Client Sends DHCPDISCOVER Message

3. Servers Receive and Process DHCPDISCOVER Message

 

4. Servers Create DHCPOFFER Messages

5. Servers Probe And/Or Reserve Offered Address (Optional)

6. Servers Send DHCPOFFER Messages

7. Client Collects and Processes DHCPOFFER Messages

 

8. Client Creates DHCPREQUEST Message

9. Client Sends DHCPREQUEST Message

10. Servers Receive and Process DHCPREQUEST Message

 

11. Server Sends DHCPACK or DHCPNAK Message

12. Client Receives and Processes DHCPACK or DHCPNAK Message

13. Client Checks That Address Is Not In Use

 

14. Client Finalizes Lease Allocation

 

 

 

 

 

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