Silvester van der Leer 7:13 PM (0 minutes ago) to Darren Hi, I've opened the issue at gitlab and contacted veronique since the issue we encounter is similar.
In this case both IA_ADDR's IP's are the same, one with correct lifetime, and one with zero lifetime, which may cause the client to glitch (which happens in my case) On Fri, Dec 2, 2022 at 3:35 PM Darren Ankney <darren.ank...@gmail.com> wrote: > https://www.rfc-editor.org/rfc/rfc3315#section-22.6 > > "In a message sent by a server to a client, the client MUST use the > values in the preferred and valid lifetime fields for the preferred > and valid lifetimes." > > I believe that the server is telling the client to not use the address > with the 0 length lifetime and instead use the other address. Have a > look at the client messages and see if both IPs are listed or perhaps > only the IP that the server is sending 0 for is listed in the IANA. > > On Fri, Dec 2, 2022 at 9:27 AM Veronique Lefebure > <veronique.lefeb...@cern.ch> wrote: > > > > For people who would encounter the same issue, see > https://gitlab.isc.org/isc-projects/kea/-/issues/2660 > > ________________________________ > > From: Kea-users <kea-users-boun...@lists.isc.org> on behalf of > Veronique Lefebure <veronique.lefeb...@cern.ch> > > Sent: Thursday, January 27, 2022 3:31 PM > > To: kea-users@lists.isc.org <kea-users@lists.isc.org> > > Subject: [Kea-users] KEA sends valid-lifetime = 0 > > > > > > Hi, > > > > For the following query: > > > > 16:24:15.730401 IP6 (hlim 1, next-header UDP (17) payload length: 143) > > cs-lab11-kea.dhcpv6-client > ff02::1:2.dhcpv6-server: > > [bad udp cksum 0xc2bb -> 0xa8e1!] > > dhcp6 renew (xid=50bedb > > (client-ID type 4) > > (server-ID hwaddr/time type 1 time 692127779 00259074ca68) > > (option-request DNS-server DNS-search-list DNS-server DNS-search-list > client-ID) > > (elapsed-time 0) (Client-FQDN) > > (IA_NA IAID:795336567 T1:3600 T2:5400(IA_ADDR xxxx::101:1 pltime:7200 > vltime:7500)) > > ) > > > > I have observed a case where KEA dhcp6 returns the following: > > > > 16:24:16.359170 IP6 (hlim 64, next-header UDP (17) payload length: 171) > > gateway.dhcpv6-server > cs-lab11-kea.dhcpv6-client: > > [udp sum ok] > > dhcp6 reply (xid=50bedb > > (client-ID type 4) > > (server-ID hwaddr/time type 1 time 692127779 00259074ca68) > > (IA_NA IAID:795336567 T1:40 T2:100 > > (IA_ADDR xxxx::101:1 pltime:120 vltime:120) > > (IA_ADDR xxxx::101:1 pltime:0 vltime:0)) > > (DNS-search-list cern.ch.) (Client-FQDN)) > > > > Where there are 2 IA_ADDR, the second one having a vltime of 0. > > > > Any idea how that can happen ? > > > > wireshark shows this: > > > > [...] > > Message type: Reply (7) > > Transaction ID: 0x52a6e8 > > Client Identifier > > Server Identifier > > Identity Association for Non-temporary Address > > Option: Identity Association for Non-temporary Address (3) > > Length: 68 > > xxx > > IAID: 2f67df77 > > T1: 40 > > T2: 100 > > IA Address > > Option: IA Address (5) > > Length: 24 > > Value: xxxx10100010000007800000078 > > IPv6 address: 2001:1458:202:1d5::101:1 (xxxx::101:1) > > Preferred lifetime: 120 > > Valid lifetime: 120 > > IA Address > > Option: IA Address (5) > > Length: 24 > > Value: xxxx10100010000000000000000 > > IPv6 address: 2001:1458:202:1d5::101:1 (xxxx::101:1) > > Preferred lifetime: 0 > > Valid lifetime: 0 > > Domain Search List > > Fully Qualified Domain Name > > > > Thanks, > > Veronique > > -- > > ISC funds the development of this software with paid support > subscriptions. Contact us at https://www.isc.org/contact/ for more > information. > > > > To unsubscribe visit https://lists.isc.org/mailman/listinfo/kea-users. > > > > Kea-users mailing list > > Kea-users@lists.isc.org > > https://lists.isc.org/mailman/listinfo/kea-users > -- > ISC funds the development of this software with paid support > subscriptions. Contact us at https://www.isc.org/contact/ for more > information. > > To unsubscribe visit https://lists.isc.org/mailman/listinfo/kea-users. > > Kea-users mailing list > Kea-users@lists.isc.org > https://lists.isc.org/mailman/listinfo/kea-users > -- And there was silence
-- ISC funds the development of this software with paid support subscriptions. Contact us at https://www.isc.org/contact/ for more information. To unsubscribe visit https://lists.isc.org/mailman/listinfo/kea-users. Kea-users mailing list Kea-users@lists.isc.org https://lists.isc.org/mailman/listinfo/kea-users