classless routes

[Eric Helm]

Enrique de Guindos Carretero wrote:
> Hello.
> I'm new to dhcp and I'm having a problem.
> 
> I have read RFC 3442 concerning classless routes sent to the dhcp clients.
> 
> As I saw, Windows clients are using code 249 while the standard one is 121.
> On Windows clients I have no problems. But I have troubles on Linux ones.
> 
> On my dhcpd.conf I have:
> 
> option  ca-static-routes code 121 = string;
> option  ca-static-routes 18:C0:A8:00:C0:A8:00:01;
> 
> In order of having  192.168.0.0/24 routed through 192.168.0.1 router.
> Changing the code with 249 works for windows clients. But with code 121, my
> Linux clients are receiving nothing and they have not the static route
> configured.
> 
> Is it there any solution?
> 

For my linux hosts, this config works to supply option 121:
option classless-routes code 121 = array of unsigned integer 8;

subnet 192.168.0.0 netmask 255.255.255.0
{
	pool
	{
		range 192.168.0.2 192.168.0.254
		option classless-routes 24, 192,168,0,0,  192,168,0,1;
	}
}

/Eric