On Mon, 06 Jan 2014 09:44:32 -0600, Leo Bicknell said: > "mandate" isn't the right description. > > http://tools.ietf.org/html/rfc6059 > > There is a ~3 year old _proposed standard_ for the behavior you describe.
I'll make the case that if a "router" becomes unable to forward packets because it has lost its uplink or connection to another subnet (so it's now homed on only one subnet), that's a router-to-host transition. RFC2461, sections 6.2.4 and 6.2.5 discuss the case of a router becoming a host - and it includes "thou shalt cease blabbing the RAs after a suitable amount of time". And that's a heck of a lot older than 3 years.
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