How to add static routes in DHCP Clients, DHCP option supported for Classless routing !

If you want to add static routes in DHCP Clients use DHCP option 121 in DHCP SERVER.

It is defined in

http://www.faqs.org/rfcs/rfc3442.html. The option code is 121.

However, Microsoft DHCP server uses another option i.e. 249 to serve the same purpose.

In Linux based DHCP server i.e. ISC DHCP server , you can try adding the options as specified in

http://www.j-schmitz.net/blog/pushing-static-routes-with-isc-dhcp-server

Ref :

http://msdn.microsoft.com/en-us/library/cc227282.aspx