Computer not receiving an ip address?

Caporegime
Joined
12 Mar 2004
Posts
29,962
Location
England
I've got a strange situation occurring when I try to relay DHCP requests through my Cisco 2801 router.

I have a router on a stick configuration with the networks 10.1.51.0 and 10.1.52.0 running on vlans 51 and 52 respectively, which works absolutely fine with static ip's or using the router as a dhcp server for each network, however when I disable dhcp on the router and run a dhcp server app on 10.1.51.200 the host on the 10.1.52.0 network can not get an ip address. My tftpd32 software on the server shows a dhcp request and ip address allocation so the server is clearly receiving and responding to the request, but the host isn't receiving this information and/or processing it correctly.

Where do I start troubleshooting this situation? :confused:
 
The DHCP request is being successfully relayed I have already executed the statement

Code:
int fa0/1.52
ip helper-address 10.1.51.200

10.1.51.200 is receiving the request from 10.1.52.50 and allocating an ip address.
 
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