> Hi, > >>> I was reading http://tools.ietf.org/html/draft-ietf-lisp-24 when I noticed >>> the following text in section 6.1.4, 'Map-Reply Message Format': >>> >>> Locator: an IPv4 or IPv6 address (as encoded by the 'Loc-AFI' field) >>> assigned to an ETR. Note that the destination RLOC address MAY be >>> an anycast address. A source RLOC can be an anycast address as >>> well. The source or destination RLOC MUST NOT be the broadcast >>> address (255.255.255.255 or any subnet broadcast address known to >>> the router), and MUST NOT be a link-local multicast address. The >>> source RLOC MUST NOT be a multicast address. The destination RLOC >>> SHOULD be a multicast address if it is being mapped from a >>> multicast destination EID. >>> >>> It talks about source and destination RLOCs, which seems weird in the >>> context of a map-reply message. My feeling is that this text belongs in a >>> more generic section, or am I missing something here? I thought that >>> locators in map-replies are always meant to be used as destination RLOCs. >> >> Destination RLOCs are in the locator-set of an EID-record of the Map-Reply >> payload. You want the source and destination addresses to be RLOCs so the >> Map-Reply can be routed directly back to the requestor, by the core routers. > > > So (part of) this text is describing the RLOCs of the packet, not the RLOC in > the content of the Locator field then? It now looks like the text is > describing the content of the Locator field only. > > Thanks, > Sander
It is describing both. The "Loc-AFI" field is the locator-set encoding in the EID-record that I described above. Dino _______________________________________________ lisp mailing list [email protected] https://www.ietf.org/mailman/listinfo/lisp
