I have Raspberries that use Raspbian Jessie with an NFS root. I can give root server address with a parameter in /boot/cmdline.txt file. But I would like to get root server address by DHCP. It seems to be possible because I get at boot something like:
I can specify rootpath with root-path parameter in my ISC DHCP Server but I don't know what option to use to specify rootserver.
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IP-Config: Got DHCP answer from 10.10.20.1 , my address is 172.16.100.150 IP-Config: Complete: device=eth0, hwaddr=b8:27:eb:61:b2:ffb, ipaddr=172.16.100.150, mask=255.255.255.0, gw=172.16.100.254 host=10.10.20.1, domain=, nis-domain=(none) bootserver=172.16.100.2, rootserver=0.0.0.0, rootpath=/RPI nameserver0=172.16.100.2
Is it possible to get root server adress by DHCP ?