ISC DHCP site specific options

James Jalbert jjalbert at
Fri Feb 15 19:43:25 UTC 2013

Not sure if this is what you are looking for, but site options are set in the dhcpd.conf file. Here you can tell the server what to give for routers based on subnet, name server and so on. I have inclided some snips of my config for you to see.

option domain-name-servers,,;
option domain-search "mydomain", "oher domain";

# Subnet A
subnet netmask {
	option routers;

# Subnet B
subnet netmask {
	option routers;

Hope this helps you.

James Jalbert
Network Administrator
Eastern Aroostook RSU #39 
Phone: 207-493-4246
E-Mail: jjalbert at

>>> Laxmikant Rashinkar <lk at> 2/15/2013 2:37 PM >>>

I'm hoping someone can help me with this issue because I was not able to 
find anything via google.

I'm using ISC DHCP server on a Linux 32bit system.

1) How do I configure site specific options?

2) when a Linux client successfully gets a DHCP address from this 
server, where can I find the site specific options received from the 
DHCP server (or how do I parse them)

thanks for your help
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