[riot-notifications] [RIOT-OS/RIOT] gnrc_ipv6_nib: don't stop sending router solicitations when receiving last router advertisement from router (#16644)

Martine Lenders notifications at github.com
Thu Jul 29 12:03:53 CEST 2021


> I fail to see the connection - but granted, this is an edge case that will likely not cause much trouble.
> The scenario is as follows:
> 
>     * a node has no default router yet
> 
>     * it receives a router solicitation from a router that just did `_snd_ra()` with `final` set to true, meaning it would be removed from the default router list, but as it's not in the list yet, nothing happens
> 
>     * the node still doesn't have a default router, but ceases to send router solicitations

Shouldn't it then rather reset the router solicitation retransmission counter, if it receives a final RA? Seems like the more legitimate way to go, as it is basically like it lost its default router, but basically just when meeting it.

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