Hi, > On a separate note, one of my customers discovered over the weekend > that if they bring up an all ones IPv6 address in their /64 > (2001:db8:1:1:ffff:ffff:ffff:ffff) then they can't exchange traffic > with stuff hosted at hetzner.de such as archives.postgresql.org or > 1-media-cdn.foolz.us. Seems filtered somewhere inside Hetzner. > > I found the same if I brought up an all ones address in any other > /64 in the same /48 as well. Using ...ffff:ffff:ffff:fffe worked > fine. > > I haven't had time to investigate further or tell them yet, though.
I discussed this with Hetzner and it seems to be a bug in JunOS 10.3R1.9. - Sander

