[riot-notifications] [RIOT-OS/RIOT] gnrc/nib: only consider neighbor cache entries in _nib_onl_get() (#16671)

Martine Lenders notifications at github.com
Thu Jul 22 14:27:49 CEST 2021


It looks alright, but I am still wondering what type of on-link entry you get that this happens. Did you check (you could just output the flags in a debug line)?

> The result is that `gnrc_ipv6_nib_get_next_hop_l2addr()` ends up in the [`"nib: %s is in NC or on-link, start address resolution"`](https://github.com/RIOT-OS/RIOT/blob/master/sys/net/gnrc/network_layer/ipv6/nib/nib.c#L223) case and does not attempt to resolve the route.
> 
> This results in the host remaining unreachable even though now a route is present.

Also why wasn't

https://github.com/RIOT-OS/RIOT/blob/5ad58b152ae5111ddae8873d81a8f799a4bbfb7f/sys/net/gnrc/network_layer/ipv6/nib/_nib-6lr.c#L89-L94

updated?

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