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What is the first step in the DHCP process?

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What is the first step in the DHCP process?

The basic steps are as follows:

  1. Step 1: DHCP Discover. The client at this stage has no IP address and does not have the address of the DHCP server.
  2. Step 2: DHCP Offer. The DHCP server is listening on port 67 and receives the discover request.
  3. Step 3: DHCP Request.
  4. Step 4: DHCP Acknowledge.

What are the four packets involved in the DHCP process in order?

The complete DHCP exchange involves four types of packets: Discover, for your computer to locate the DHCP server; Offer, for the server to offer an IP address; Request, for your computer to ask for an offered address; and Ack, for the server to grant the address lease.

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What are the four steps of DHCP?

DHCP operations fall into four phases: server discovery, IP lease offer, IP lease request, and IP lease acknowledgement. These stages are often abbreviated as DORA for discovery, offer, request, and acknowledgement.

What are the 4 basic steps of DHCP client?

Explanation. The 4 Basic steps of DHCP Client: sends DHCPDISCOVER (Broadcast) DHCP Server: responds with DHCPOFFER (Unicast) Client: sends DHCPREQUEST (Broadcast) DHCP Server: responds with DHCPACK (Unicast)

What is the destination address of DHCP offers?

Since the client does not have an IP address, the DHCP server cannot send the DHCPOFFER message directly to the client. Because of this, the server sets the destination address to 255.255.255.255. In other words, the server also broadcasts the DHCPOFFER message to the local network.

How does a DHCP server work?

A DHCP server contains several pre-configured IP configurations. When it receives a DHCP request from a DHCP client, it provides an IP configuration to the client from all available IP configurations. This entire process goes through the four steps: Discover, Offer, Request, and Acknowledgment.

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What is a DHCP offer message?

DHCP Offer When a DHCP server receives the DHCP Discover message from the client, it also broadcasts a DHCP Offer message over the Ethernet network (because the client IP address has not been allocated yet), informing the client that it is available.