We have a customer who must change his DHCP Server from MS-DHCP to Cisco Network Registrar. MS-DHCP is configured with several scopes (every branch office has a separate subnet). Ale scopes are filled in with reservations (MAC to IP) because the customer want to have "static" IP addresses to his clients. Obviously they are referring to the clients IP be assigning Unix printers or something like that.
However the PC's have a NIC with a boot prom that sends on startup a DHCP request and then downloads through TFTP a little boot loader that decides if the PC should boot from local HDD or if the boot prom should download a greater (600 KB) virtual boot disk to perform an unattended installation of WINNT. Details are described on http://www.bootix.com/us/price/tcpipbootprompro.shtml.
With the MS-DHCP everything works fine. The PC's boot prom first sends a DHCP request and gets the associated IP address, which has been entered for the NICs MAC as a reservation. After that WINNT starts up and WINNT sends also a DHCP request and also gets the same IP, which has, been entered for the NIC's MAC.
Now I have installed CNR, defined my scopes, entered the scope options and entered my reservations. Now the problem: The PC starts up, the boot prom sends his DHCP request and gets the right IP from the reservation. After that WINNT start's up and sends also the DHCP request. This DHCP request is not answered with the offer of the reserved IP, instead WINNT gets a totally other IP from the scope, if there are free IP's available. Or, if no free IP's available, WINNT doesn't get an IP.
I have tried several things, but didn't get a solution for my problem. Has anybody an idea how to configure CNR to run like MS-DHCP?
Re: Cisco Network Registrar and boot proms and WINNT
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