6.3 DHCP and static_routes

Ed Maste emaste at freebsd.org
Mon Feb 25 21:25:20 UTC 2008


On Mon, Feb 25, 2008 at 10:30:06AM +0100, Andrea Venturoli wrote:

> Ed Maste ha scritto:
> 
> >As of FreeBSD 6.3 dhclient supports RFC3442, the classless static route
> >option.  If your DHCP server is including this option but not encoding
> >the default route using the option you'll have no default route.
> 
> Thanks for the answer; this is in fact my case.
> It would be great news if I could get it to work properly! Obviously 
> repeating the static routes in rc.conf was an hack due to lack of this 
> support.
> 
> 
> Now I fiddled with my dhcpd.conf and came up with this:
> 
> option local-route code 121 = string;
> option local-route 00:0a:01:02:7f;
> option local-route 18:c0:A8:65:0a:01:02:0d;
> option local-route 18:c0:A8:67:0a:01:02:0f;
> option local-routew code 249 = string;
> option local-routew 00:0a:01:02:7f;
> option local-routew 18:c0:A8:65:0a:01:02:0d;
> option local-routew 18:c0:A8:67:0a:01:02:0f;

Yes, the problem is that your local-route option overrides the previous
one each time, so only the last one takes effect.  You need to put them
all together as a single option, probably like

option local-route 18:c0:A8:65:0a:01:02:0d:18:c0:A8:67:0a:01:02:0f:00:0a:01:02:7f;

and the same for the Windows code 249 version of the option.

-Ed


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