Thanks for your kind response. * Martin Husemann (mar...@duskware.de) wrote: > In the not working case, wm0 has: > > inet6 2405:9800:b550:2939:f234:69d6:e0bf:8ebf/64 flags 0x0 > inet6 2405:9800:b550:2939:8638:35ff:fe48:5720/128 flags 0x0 > > and it would be good to understand where the second comes from. > Maybe add "-d" to dhcpcd_flags in /etc/rc.conf and see what it > says? -d flag when ping6 is NOT working, Excerpted from /var/run/rc.log. https://pastebin.com/JXkKxuSc
-d flag when ping6 is working, # /etc/rc.d/dhcpcd stop (then leave it 5-6 seconds) # /etc/rc.d/dhcpcd start https://pastebin.com/iu4utd9y % uname -a NetBSD netbsd 8.0_STABLE NetBSD 8.0_STABLE (GENERIC) #1: Sat Jul 28 08:47:57 +07 2018 root@netbsd.localdomain:/usr/obj/sys/arch/amd64/compile/GENERIC amd64 For now, my only workaround is to repeat restarting the router until ping6 works, and without touching any configuration on netbsd-8. I don't suspect my router, as the other machines on the same LAN (including the previous netbsd-7) are still working pretty fine. I don't suspect dhcpcd as both inet and inet6 got assigned. And I don't suspect name resolution as it can always interpret canonical names into numeric addresses for both inet and inet6. Any ideas? Thank you. -- Gua Chung Lim "UNIX is basically a simple operating system, but you have to be a genius to understand the simplicity." -- Dennis M. Ritchie
