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DHCP server and cable modem ...

N

NucleusWDS

Senior member
I want to use my linux box as a DHCP server for my internal LAN. My cable modem is connected to my linux box and is masquerading all my internal LAN machines.

When I try to run DHCP server on my linux box it gives an error message ... something to do with registering my subnet mask for my 'eth0' which is the NIC connected to my CM ... 'eth1' is my NIC connected to my internal LAN.
When the CM is not connected to my linux box ... DHCP server works fine.

Any ideas?
 
Are you sure the dhcpdaemon is listening on the internernal network card and not the cable modem one? What command are you using to start it, presumably from rc.local?

edit: for my lan which is also on eth1 I have it started with this line in the rc.local "/usr/sbin/dhcpd eth1" if you don't have an rc.local then i dont know 😉
 
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