June 2004
Intermediate to advanced
1488 pages
45h 53m
English
Content preview from Microsoft® Windows Server™ 2003 Inside OutBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Planning DHCP Implementations
Planning a new DHCP implementation or revamping your existing DHCP implementation requires a good understanding of how DHCP works. You need to know the following information:
How DHCP messages are sent and received
How DHCP relay agents are used
How multiple servers should be configured
DHCP Messages and Relay Agents
When a DHCP client is started, it uses network broadcasts to obtain or renew a lease from a DHCP server. These broadcasts are in the form of DHCP messages. A client obtains its initial lease as shown in Figure 25-1. Here, the client broadcasts a DHCP Discover message. All DHCP servers on the network respond to the broadcast with a DHCP Offer message, which offers the client an IP lease. The client accepts ...