August 23, 20214 yr I have link-local IPv6 enabled on my router (to familiarize myself with IPv6.) I switched unRAID from IPv4 to IPv4 + IPv6 and rebooted: It's recognized (I can ssh) but no IPv6 entries in the routing table: I could have sworn I used to have some. It's possible I deleted them a while ago and forgot. I read a post suggesting to reset the routing table by deleting /config/network.cfg so I did that (I moved it to network.cfg.bak) and rebooted. No difference. Is there another way to reset the routing table or can I reconstruct it? (My understanding of networking is very basic.) EDIT: I should mention I'm on 6.10.0-rc1 but I suspect my problem's not 6.10-related. Edited August 23, 20214 yr by CS01-HS
August 23, 20214 yr Author Maybe some progress. When I tried manually adding the route: ::1 / lo / 256 Nothing happened but I saw the following error in the log: dnsmasq[26655]: no servers found in /etc/resolv.conf, will retry resolve.conf was empty which I seem to have fixed by switching IPv4 from automatic to static then back to automatic: root@NAS:~# cat /etc/resolv.conf # Generated by dhcpcd from br0.dhcp domain lan nameserver 10.0.1.10 Now when I try to add ::1 / lo / 256 still nothing happens but no log errors!
August 23, 20214 yr Your router is not handing out ipv6 addresses. You need to configure your router to do this. Unraid interfaces have only a link local address, which is not routable, and hence no routing entries.
August 23, 20214 yr Author Right, it never has. So those routes I saw initially, maybe with 6.9.1, shouldn't have been there. I was confused because I saw messages like the following (with ssh <hostname>.local) Welcome to Armbian 21.05.8 Buster with Linux 4.14.222-odroidxu4 System load: 6% Up time: 0 min Memory usage: 6% of 1.95G IP: 10.0.1.100 CPU temp: 42°C Usage of /: 5% of 29G storage/: 13% of 1.8T storage temp: 23°C [ General system configuration (beta): armbian-config ] No mail. Last login: Mon Aug 23 08:15:23 2021 from fe80::45c:6b5d:7c81:bb11%enx001e068747ab I guess I'll have to read up on IPv6. Thanks.
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