[c-nsp] ip helper and dhcp on the same device

[Pelle]

Hi.

> Is it possible to use ip dhcp pool XY for one host( use mac address) and ip
> helper-address  for the others (all pc is in the same subnet).

If the propose is to give the PC with the known MAC-address a fixed
IP-address, this is easier[1] to do on the DHCP-server.

[1] At least a no-brainer on the ISC dhcp-server

-- 
Pelle