Hi All, This turned out to be our bug - we had UDP checksum errors on the DHCPv6 Solicits we are hand-crafting in our application. Fixed it, and now kea is receiving and responding to the messages.
Thanks Francis for your help! Fred > -----Original Message----- > From: Templin, Fred L > Sent: Thursday, April 21, 2016 3:46 PM > To: 'Francis Dupont' <[email protected]> > Cc: [email protected]; [email protected]; Benson, Michael W > <[email protected]> > Subject: RE: [kea-dev] [Kea-users] kea-dhcp6 ignoring DHCPv6 messages > received on a tuntap interface > > Hi Francis, > > Are there instructions for strace'ing the server process? Even so, would that > tell us anything that would help us find a solution? It is perplexing that we > have gotten this working over tuntap interfaces in other application contexts > but can't seem to get it working in this one. > > Also, see attached for the packets in pcap form suitable for wireshark. The > packets appear to be formed properly. > > Thanks - Fred > > > -----Original Message----- > > From: Francis Dupont [mailto:[email protected]] > > Sent: Thursday, April 21, 2016 3:34 PM > > To: Templin, Fred L <[email protected]> > > Cc: [email protected]; [email protected]; Benson, Michael W > > <[email protected]> > > Subject: Re: [kea-dev] [Kea-users] kea-dhcp6 ignoring DHCPv6 messages > > received on a tuntap interface > > > > As far as I know Kea used LPF for IPv4 (so it won't work with tun > > interfaces) > > but IPv6 UDP fro IPv6 so it should work. IMHO you should add some fprintf's > > in PktFilterInet6::receive to be sure packets are really received > > (or if you don't want to recompile strace the server process). > > And of course if you forgot flush the ip6table's... > > > > Regards > > > > Francis Dupont <[email protected]> _______________________________________________ Kea-users mailing list [email protected] https://lists.isc.org/mailman/listinfo/kea-users
