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DHCP Discovery Tool Description - Last Review: April 30, 2009

The DHCP Discovery tool finds Dynamic Host Configuration Protocol (DHCP) servers on your local network segment or subnet. It detects all responding DHCP servers whether legitimate or servers that are not supposed to be on your network (sometimes called rogue DHCP servers).

The fields decoded and displayed from a server DHCP_OFFER response packet are shown in this table:

DHCP Server IP Address DHCP Server Hostname Offered IP Address
Offered Subnet Mask IP Address Lease Time Renewal Time
Rebinding Time Domain Name DNS IP Address
Router IP Address NTP Server IP Address  

The option requests shown in bold can be turned on or off. You can control the MAC address sent in the DHCP_DISCOVER broadcast packet to DHCP servers.

VIDEO >> See it in action!

Windows Vista compatibility: Fully functional as of v10.42.

Screenshot

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