No, I think in my case it is Juniper multichassis LAG (link aggregation groups) getting confused by identical fe80::x for multiple local v6 networks, or something to that effect.
How does the traceroute6's look when it "works"? If you get a "real" v6 there you might (ab)use that as the gw ip? Den tors 6 aug. 2020 kl 16:04 skrev kug1977 <[email protected]>: > Unfortuanatly, the Provider netcup doesn’t give out IPv6 gw address > configuration other than fe80::1, so I cannot check these. But all > virtualization there is based on KVM, too. So I guess the issue is with KVM? > > > > On 06 Aug 2020, at 15:51, Janne Johansson <[email protected]> wrote: > > > > I have a setup where the virtualization (KVM) combined with the > networking does present a IPv6 def-gw as both an fe80::<predictable number > here> and the more normal 2001:a:b:c:d::1/64 and where the 2001-v6 ip works > far better on virtual machines due to redundancy mac sync things on the > network side, and since the ndp list showed the fe80::1 had a > VRRP/CARP-lookalike mac, it could be the same. > > > > In my case both bsd and linux IPv6-using VMs suffer from ndp "drops" > where it can take seconds for the discovery to figure the mac address out > again after a drop. > > > > So if you can divine what the "real" v6 ip is of the default-gw, try > setting this hard in the conf or /etc/mygate and retry v6. > > > > > > Den tors 6 aug. 2020 kl 14:46 skrev Matthias Schmidt <[email protected]>: > > Hi, > > > > * kug1977 wrote: > > > > > > Is this something wrong configured on OpenBSD server or is this > something > > > the provider has to check on the gateway side? > > > > I also have a VM at the exact same provider (netcup) and face > > the same problem. Since all of my VMs at different providers are > > identical (base install + conf via ansible) and I don't see the issue at > > other providers (IONOS, Hetzner) I suspect it has nothing to do with > > OpenBSD... > > > > -- > > May the most significant bit of your life be positive. > > -- May the most significant bit of your life be positive.
