Re: [dhcwg] What triggers a DHCP Information Request?

Le 16/10/2014 16:53, Ted Lemon a écrit :
> When a new router is seen that sets the 'O' bit in its RA?   When a
> new prefix is seen, for the same router?   Only when a new link is
> detected?
>
> I think that it should happen whenever a new prefix is seen for a
> router that's set the O bit, but Lorenzo Colitti thinks that a new
> prefix doesn't (and shouldn't) trigger a new Information Request.
>
> Any thoughts about this?

Along these lines, in Mobile IP implementations, a mobile node triggers 
a BU when a new prefix is received in the RA. (because it thinks that if 
a new prefix is in the RA then it must form a new Care-of Address, and 
supposedly it moved towards a new attachment point).

It makes sense that a new prefix shows up, and has O bit set, the node 
should trigger an Information Request.

This would be desirable tandem working between RA and DHCP, if possible.

Alex

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