âHi, Thank you for your explanations. I activated debug but don't get any outputâ anywhere. Since I couldn't find anything, I tried a global grep but without success (cat /var/log/* |grep inet6 and ipv6).
Since my tcpdump result are not changed, it means I have to install dhcpv6client? I need the "wide" one or another one? Thanks, Alex On Mon, Aug 17, 2015 at 11:23 PM, Martin Pieuchot <m...@openbsd.org> wrote: > On 17/08/15(Mon) 21:42, Alexandre Westfahl wrote: > > Hi Martin, > > > > It's just an ifconfig with char replacement with "*". Is NDP available in > > 5.7? > > Sorry if I was unclear, I was talking about the tcpdump output. For > example: > > 15:56:41.186643 fe80::ce05:23ff:feac:4e39 > ff02::1: icmp6: router > advertisement(chlim=255, O router_ltime=1800, reachable_time=0, > retrans_time=0)(prefix info: LA valid_ltime=7200, preferred_ltime=3600, > prefix=fd00::/64)[ndp opt] (len 88, hlim 255) > > See the "[ndp opt]" part? That means that the output of this RA is > truncated. > In your dump there's a MTU and a Source lladdr option: > > router_ltime=1800, reachable_time=0, retrans_time=0)(src lladdr: > fc:48:ef:c3:41:fe)(mtu: mtu=1500) [icmp6 cksum ok] [class 0xc0] (len 32, > hlim 255) > > So I justed wanted to know if you edited the output or not :) > > > For the router part, I have in tcpdump advertisement and sollicitation so > > it should work out of the box no? I also disabled pf to be sure there is > no > > impact. > > Did you increase "net.inet6.icmp6.nd6_debug" and see if you've got any > error? What do you mean "for the router part"? Are you configuring the > router sending advertisements too? > > My guess is that your router does not include any prefix information in > it's advertisement which would explain why you do not get any address. > This is coherent why the 'M' bit set in the advertisement which indicates > that address configuration should be retrieve via a stateful protocol > (DHCPv6). > > Martin
