3.4. Router Reachability Probing
When a host avoids using a non-reachable router X and instead uses another router Y, and the host would have used router X if router X were reachable, then the host SHOULD probe router X's reachability s/were/was/ by sending a Neighbor Solicitation. A host MUST NOT probe a router's reachability in the absence of useful traffic that the host would have sent to the router if it were reachable. In any case, these probes MUST be rate-limited to no more than one per minute per router. "probe" isn't well-defined. There are two possible interpretations: 1. Send a single unicast neighbor solicitation 2. Do what RFC 2461 does when in the PROBE state (implies retransmitting NS messages N times) I think #1 is the intent; it would make sense to state that explicitly. Erik -------------------------------------------------------------------- IETF IPng Working Group Mailing List IPng Home Page: http://playground.sun.com/ipng FTP archive: ftp://playground.sun.com/pub/ipng Direct all administrative requests to [EMAIL PROTECTED] --------------------------------------------------------------------
