Hi Jeff, thank you for the proposed text. I'll include it in the working version with capitalizing VXLAN in the IANA section).
Regards, Greg On Mon, Jul 20, 2020 at 2:26 PM Jeffrey Haas <jh...@pfrc.org> wrote: > On Wed, Jun 17, 2020 at 03:52:14PM -0400, Jeffrey Haas wrote: > > >> Proposed solution: A MAC value should be chosen that is well known > and the > > >> text would become: > > >> > > >> "Destination MAC: A Management VNI, which does not have any tenants, > will > > >> have no dedicated MAC address for decapsulated traffic. The value > > >> X:X:X:X:X > > >> SHOULD be used in this field." > > >> > > >> SHOULD might need to be MUST. Since a partial motivation for > permitting > > >> the > > >> flexibility in the specification to NOT use the management VNI is > desired= > > > , > > >> MUST might be inappropriate. > > >> > > > GIM>> Accepted the suggested text. I agree that the flexibility to not > use > > > the Management VNI is permitted in the specification and thus SHOULD > in the > > > text is consistent with that scenario. How would we pick the MAC > address? > > > > I am out of my area of expertise and I was hoping someone in the IESG > can offer a fix. :-) I am copying Donald Eastlake since he's the > designated expert for the IANA MAC address block. > > > > Donald, review of the thread may be useful, but tersely the need is to > have a well known MAC address that can be placed in this vxlan PDU that is > literally a placeholder of "not to be used for forwarding". The packet > arrives at the endpoint and, if not immediately accepted, would be dropped. > > > > If there is no well known MAC that could be used for such a behavior, > perhaps an address from the IANA block may be used? > > > > While I suspect the IANA mac documentation range could be used, IANA may > not appreciate that. > > Donald is not responding to emails. Considering I've been similarly bad > about responding, that's forgivable. However, in the interest of advancing > the document, I'd like to make a proposal. > > https://www.iana.org/assignments/ethernet-numbers/ethernet-numbers.xhtml > > Proposed text: > > : Destination MAC: A Management VNI, which does not have any tenants, will > : have no dedicated MAC address for decapsulated traffic. The value > : [TBD1] SHOULD be used in this field. > : > : IANA Considerations: > : > : IANA is requested to assign a single MAC address to the value TBD1 from > the > : "IANA Unicast 48-bit MAC Address" registry from the "Unassigned (small > : allocations)" block. The Usage field will be "BFD for vxlan" with a > : Reference field of this document. > > > > -- Jeff >
