On Wed, Feb 28, 2018 at 05:24:20PM +0100, Matthieu Herrb wrote: > Hi, > > I've started using the classless-static-route option in dhcpd(8). This > was not as painless as possible because I missed some important > information from the underlying RFC to understand how the option is > used by clients and how it should be configured on the server. > > The patch below tries to add this information to dhcp-options(5), > without beeing too verbose. > > While there, I also noted that the classful routes are obsolete. I was > wondering if we could just remove this option from the doc (and maybe > tedu the code ?) instead. > > Ok, corrections, ... ?
Argh I managed to mangle the diff with a last minute edit. Correct version: Index: dhcp-options.5 =================================================================== RCS file: /cvs/OpenBSD/src/usr.sbin/dhcpd/dhcp-options.5,v retrieving revision 1.22 diff -u -p -u -r1.22 dhcp-options.5 --- dhcp-options.5 14 Sep 2015 20:06:59 -0000 1.22 +++ dhcp-options.5 28 Feb 2018 16:26:50 -0000 @@ -171,6 +171,11 @@ RFC 1122. .It Ic option classless-static-routes Ar ip/prefix ip Oo , Ar ip/prefix ip ... Oc ; This option specifies a list of static routes in CDIR notation, which should be sent to the client. +This option is specified in RFC3442. +Note that, since the RFC says that clients supporting this option must ignore the +.Ic Routers +option when both are present, the default route +needs to be included in the list of routes specified here. .It Ic option classless-ms-static-routes Ar ip/prefix ip Oo , Ar ip/prefix ip ... Oc ; This option does the same as .Ic classless-static-routes , @@ -517,6 +522,8 @@ The default route (0.0.0.0) is an illega To specify the default route, use the .Ic routers option. +Note that this option is obsolete and should be replaced by the +.Ic classless-static-routes option. .It Ic option streettalk-directory-assistance-server Ar ip-address Oo , Ar ip-address ... Oc ; The StreetTalk Directory Assistance (STDA) server option specifies a list of STDA servers available to the client. -- Matthieu Herrb
