>That would be a trivial check in the RADIUS client, right? If the >Framed-IPv6-Prefix falls into the Delegated-IPv6->Prefix, then you do the >exclude, otherwise not.
Ok, you are right this is a way to do it. Thanks Roberta -----Original Message----- From: radext [mailto:[email protected]] On Behalf Of Jouni Korhonen Sent: Tuesday, November 19, 2013 12:43 PM To: Roberta Maglione (robmgl) Cc: [email protected]; Athanasios Douitsis; Bernie Volz (volz); Michael Richardson; [email protected] WG; [email protected] Subject: Re: [radext] [homenet] [dhcwg] PPP, DHCPv6 and Prefix Delegation On Nov 19, 2013, at 7:10 PM, "Roberta Maglione (robmgl)" <[email protected]> wrote: > Hello, > I see your point. In my opinion if you would like to have all the prefixes > assigned by RADIUS server in order to be able to cover the scenario you > described in a clean way you would need a new RADIUS attribute for PD_EXCLUDE. I am not sure I agree entirely. > The reason why I think a new radius would be required is because you need to > differentiate between the scenario where Framed-IPv6-Prefix is used to number > the Wan link with a separate prefix (not included in the PD - without the > PD_EXCLUDE) and the scenario you described where the prefix for the WAN link > is part of the PD and you need to copy it into the PD exclude option. That would be a trivial check in the RADIUS client, right? If the Framed-IPv6-Prefix falls into the Delegated-IPv6-Prefix, then you do the exclude, otherwise not. > Today the BNG (that in this case is acting both as RADIUS Client and > Delegating Router) has no mean to know if the Framed-IPv6-Prefix should be > used for the PD_EXCLUDE or not and in my opinion it would be better not > overload the sematic of the Framed-IPv6-Prefix. > Any comment? I would do the check rather than define a new attribute. - Jouni > Thanks > Roberta > > From: Athanasios Douitsis [mailto:[email protected]] > Sent: Tuesday, November 19, 2013 11:50 AM > To: Bernie Volz (volz) > Cc: Jouni Korhonen; [email protected]; [email protected]; Roberta Maglione > (robmgl); [email protected] WG; Michael Richardson > Subject: Re: [homenet] [dhcwg] PPP, DHCPv6 and Prefix Delegation > > > On Tue, Nov 19, 2013 at 6:42 PM, Bernie Volz (volz) <[email protected]> wrote: > This must be done by the delegation router (if you are talking about the > DHCPv6 packet itself) - as it is the one that constructs the Advertise and > Reply messages to the client. > > Pardon me, I meant to wonder who should make the assignment, not who should > construct the packets. > > When you are using the Delegated-IPv6-Prefix AV pair, the delegating router > obviously constructs the packets with the delegated prefix value, but the > actual assignment has been done by the RADIUS server. By the same token, I > wondered whether it makes sense to do the same for the OPTION_PD_EXCLUDE > value. > > Kind regards, > -- > Athanasios Douitsis > > _______________________________________________ radext mailing list [email protected] https://www.ietf.org/mailman/listinfo/radext _______________________________________________ homenet mailing list [email protected] https://www.ietf.org/mailman/listinfo/homenet
