In your previous mail you wrote:

   > There are some implementations which enforce the use of link-local
   > addresses but I agree that global addresses are not forbidden, or
   > the use of more than one link-local address...
   
   Note that this also happens if you'd like to use an anycast address as the 
   nexthop: even in the link-local scope, e.g. fe80::.
   
=> even if in theory this should work in practice this doesn't work
at all (at least it was a disaster when I tried many years ago :-).

   (I'm not sure whether these are realistic scenarios or not..)
   
=> there are many nodes with multiple link-local addresses and
in these nodes some are routers. IMHO we should not try to
support redirect sent from a "random" link-local source address
but we have to address the problem, i.e., just change on-link by
link-local is not enough to really answer to your question...

   > BTW I don't believe
   > a host is required to redirect its packets.
   
   You mean, host is not required to respond to redirects sent by the 
   routers?
   
=> host is not required to update its routing table (i.e., there is
a SHOULD, not a MUST).

Thanks

[EMAIL PROTECTED]

PS: I have a limited interest question about redirects: some implementations
drop received redirects on routers, in fact RFC 2461 only says it MUST NOT
update its routing table, so a redirect received from an unknown router
should give a new STALE neighbor cache entry...
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