Hello, Forwarding is not enabled, I have the following sysctl extract: # sysctl |grep inet6 net.inet6.ip6.forwarding=0 net.inet6.ip6.redirect=0 net.inet6.ip6.hlim=64 net.inet6.ip6.mrtproto=103 net.inet6.ip6.maxfragpackets=200 net.inet6.ip6.log_interval=5 net.inet6.ip6.hdrnestlimit=10 net.inet6.ip6.dad_count=1 net.inet6.ip6.auto_flowlabel=1 net.inet6.ip6.defmcasthlim=1 net.inet6.ip6.use_deprecated=1 net.inet6.ip6.rr_prune=5 net.inet6.ip6.v6only=1 net.inet6.ip6.maxfrags=200 net.inet6.ip6.mforwarding=0 net.inet6.ip6.multipath=0 net.inet6.ip6.multicast_mtudisc=0 net.inet6.ip6.neighborgcthresh=2048 net.inet6.ip6.maxifprefixes=16 net.inet6.ip6.maxifdefrouters=16 net.inet6.ip6.maxdynroutes=4096 net.inet6.ip6.dad_pending=0 net.inet6.ip6.mtudisctimeout=600 net.inet6.ip6.ifq.len=0 net.inet6.ip6.ifq.maxlen=256 net.inet6.ip6.ifq.drops=0 net.inet6.icmp6.redirtimeout=600 net.inet6.icmp6.nd6_prune=1 net.inet6.icmp6.nd6_delay=5 net.inet6.icmp6.nd6_umaxtries=3 net.inet6.icmp6.nd6_mmaxtries=3 net.inet6.icmp6.errppslimit=100 net.inet6.icmp6.nd6_maxnudhint=0 net.inet6.icmp6.mtudisc_hiwat=1280 net.inet6.icmp6.mtudisc_lowat=256 net.inet6.icmp6.nd6_debug=0 net.inet6.divert.recvspace=65636 net.inet6.divert.sendspace=65636
Thanks, Alex On Mon, Aug 17, 2015 at 4:15 PM, Stefan Sperling <[email protected]> wrote: > On Mon, Aug 17, 2015 at 03:55:09PM +0900, Alexandre Westfahl wrote: > > Hello, > > > > I have a problem with IPv6, I'm not getting "public" IP but router > > advertisement/solicitations are being exchanged. > > I believe your problem is that OpenBSD 5.7 does not accept router > advertisements (RA) if IPv6 forwarding is enabled. Do you have IPv6 > forwarding enabled? > > Before 5.7, acceptance of RA was controlled by a single flag which > affected all interfaces. So accepting RA on a router was dangerous > since RAs are not authenticated and change the routing tables. > > OpenBSD 5.7 moved to a AUTOCONF6 flag per interface. > The second change you need, which is to accept RA with forwarding > enabled, was committed after 5.7. So please try again with a -current > snapshot which at the moment is pretty close to what 5.8 will be.

