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Workstation cannot reach DHCP server

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by inpakistan

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I have network divided into two segments. Segments are mac-address based and not ip-address based one leased line connect them DSL routers. DHCP server is placed on the end where all other servers are placed and the other segment consist of only fewworkstations. All the workstations in the second segment can reach the DHCP server when they boot and get an IP on lease from DHCP server too accept one machine. Somehow the DSL router replies to its DHCP call and returns its own IP as DHCP, DNS, WINS and bla bla bla... and a unique IP number to workstation by adding one to its own ip number. What could possibly be the reason???

2 replies

by jayanth

Does your DSL Router support DHCP? Have you setup a DHCP server in your LAN and placed it in one of the segments? If so then, disbale the DHCP support of your DSL router and it will no longer respond to DHCP requests. Also make sure that you enable DHCP requests to go from one segment to another, as you say DHCP is placed in one segment.
DHCP requests are broadcast request and work on UDP port 67 (or 68, i am not sure).

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