On 2022 jeu 28 jui - 16:14, Nicolas Goy wrote: > On 2022 jeu 28 jui - 15:52, Nicolas Goy wrote: > > On 2022 jeu 28 jui - 13:18, Nicolas Goy wrote: > > > > > > - I can ping internet from my router, but it cuts every 10 seconds or > > > so. If I inspect the traffic, I see that the ISP router is sending > > > neighbor discovery with my router address, and that my router does not > > > respond. > > > > > > > This seems to be the main issue, (I'll figure out the second one after > > that, using nd proxy or other method), I watched the network for some time > > now, and the openbsd router is never responding to neighbor solicitation > > on the wan interface. > > > > When I use tcpdump, I see that on the wan interface, neighbor > > solicitation has an added [class 0xe0] at the end of the line which is > > not present on working solicitations. > > > >
After more analyse, I realized that the dst of the ISP/Cisco neighbor solicitation is the actual IP, while usually it's ff02::1:ff01:1 it seems to do unicast solicitation. -- Nicolas Goy Engineer & Developer https://www.kuon.ch https://www.goyman.com