It was the port in the LCR table! You're the man! Thanks so much for your help.
On Mon, Jan 23, 2017 at 12:45 AM, Carsten Bock <cars...@ng-voice.com> wrote: > Hi, > > can you try the sip-dig command on that particular domain? > If you set that domain in script or from a module (e.g. Dispatcher), > don't set a port. According to RFC 3263, the DNS-records are treated > differently, if no port is set (e.g. "redacted.hostname.here.com:5060" > will produce a different result than "redacted.hostname.here.com"). > I've checked the compliance of Kamailio with RFC 3263 in the past, as > DNS-Failover is mandatory for IMS. > > I would find it rather strange, if it should work correct in all of > our deployments and not in yours. > > Thanks, > Carsten > > 2017-01-20 17:47 GMT+01:00 Jeremy Gadd <jeremyg...@gmail.com>: > > Thanks for the response! > > > > DNS lookups work in Kamailio as long as use_dns_failover is set to "off." > > It's only when the failover is enabled that they break. I think this > means > > it's not a DNS issue, but something in Kamailio. > > > > I should mention we're pointing to Verizon's services with many many > > thousands of customers, so it's unlikely to be misconfigured DNS (unless > > it's something local that only breaks when use_dns_failover is enabled?) > > > > On Fri, Jan 20, 2017 at 12:37 AM, Carsten Bock <cars...@ng-voice.com> > wrote: > >> > >> Hi, > >> > >> we have the following settings and those work fine for us (Kamailio 4 > >> and later): > >> > >> # Do SRV-Loadbalancing: > >> dns_srv_lb=yes > >> # Always prefer IPv6: > >> dns_try_ipv6=yes > >> # DNS-Based failover > >> use_dns_failover=yes > >> # Query NAPTR-Records as well (we use NAPTR, so the client can detect > >> the outbound Proxy (P-CSCF), but internally we only use only > >> SRV-records) > >> dns_try_naptr=no > >> > >> Sounds to me, like a DNS problem, not a Kamailio problem. > >> > >> In our DNS Zone, we have the following, for example: > >> > >> wt 1D IN A 84.46.93.82 > >> wt 1D IN A 84.46.93.84 > >> wt-1 1D IN A 84.46.93.82 > >> wt-2 1D IN A 84.46.93.84 > >> wt 1D IN NAPTR 10 10 "s" "SIP+D2U" "" > >> _sip._udp.wt > >> > >> _sip._udp.wt 1D SRV 10 1 5060 wt-1 > >> _sip._udp.wt 1D SRV 20 1 5060 wt-2 > >> > >> On Debian/Ubuntu, you can verify this with Sofia-SIP (apt-get install > >> sofia-sip-bin): > >> > >> carsten@carsten-HP-EliteBook-840-G3:~$ sip-dig wt.ng-voice.com > >> 1 1.000 udp 5060 84.46.93.82 > >> 2 1.000 udp 5060 84.46.93.84 > >> > >> Thanks, > >> Carsten > >> > >> > >> 2017-01-19 22:58 GMT+01:00 Jeremy Gadd <jeremyg...@gmail.com>: > >> > Hello, everyone! > >> > > >> > I'm trying to enable dns_srv_lb but I'm stuck just before I can get > >> > there. > >> > If I don't enable use_dns_failover, lookups work and calls route but > >> > always > >> > to the first host. We need to load balance, so that doesn't work very > >> > well. > >> > > >> > If I enable use_dns_failover, the lookups stop working completely and > we > >> > get > >> > a dns lookup failure like so: > >> > ERROR: tm [ut.h:296]: uri2dst2(): ERROR: uri2dst: failed to resolve > >> > "redacted.hostname.here.com" :unresolvable A or AAAA request (-7) > >> > > >> > This works: > >> > use_dns_cache=on > >> > dns_use_search_list=no > >> > dns_try_naptr=on > >> > # use_dns_failover=on > >> > > >> > This breaks it: > >> > use_dns_cache=on > >> > dns_use_search_list=no > >> > dns_try_naptr=on > >> > use_dns_failover=on > >> > > >> > I have checked to see that use_dns_failover is compiled in: > >> > version: kamailio 4.4.2 (x86_64/linux) > >> > flags: STATS: Off, USE_TCP, USE_TLS, USE_SCTP, TLS_HOOKS, > USE_RAW_SOCKS, > >> > DISABLE_NAGLE, USE_MCAST, DNS_IP_HACK, SHM_MEM, SHM_MMAP, PKG_MALLOC, > >> > Q_MALLOC, F_MALLOC, TLSF_MALLOC, DBG_SR_MEMORY, USE_FUTEX, > >> > FAST_LOCK-ADAPTIVE_WAIT, USE_DNS_CACHE, USE_DNS_FAILOVER, USE_NAPTR, > >> > USE_DST_BLACKLIST, HAVE_RESOLV_RES > >> > ADAPTIVE_WAIT_LOOPS=1024, MAX_RECV_BUFFER_SIZE 262144, MAX_LISTEN 16, > >> > MAX_URI_SIZE 1024, BUF_SIZE 65535, DEFAULT PKG_SIZE 8MB > >> > poll method support: poll, epoll_lt, epoll_et, sigio_rt, select. > >> > id: unknown > >> > compiled with gcc 4.9.2 > >> > > >> > _______________________________________________ > >> > SIP Express Router (SER) and Kamailio (OpenSER) - sr-users mailing > list > >> > sr-users@lists.sip-router.org > >> > http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users > >> > > >> > >> > >> > >> -- > >> Carsten Bock > >> CEO (Geschäftsführer) > >> > >> ng-voice GmbH > >> Millerntorplatz 1 > >> 20359 Hamburg / Germany > >> > >> http://www.ng-voice.com > >> mailto:cars...@ng-voice.com > >> > >> Office +49 40 5247593-40 > >> Fax +49 40 5247593-99 > >> > >> Sitz der Gesellschaft: Hamburg > >> Registergericht: Amtsgericht Hamburg, HRB 120189 > >> Geschäftsführer: Carsten Bock > >> Ust-ID: DE279344284 > >> > >> Hier finden Sie unsere handelsrechtlichen Pflichtangaben: > >> http://www.ng-voice.com/imprint/ > >> > >> _______________________________________________ > >> SIP Express Router (SER) and Kamailio (OpenSER) - sr-users mailing list > >> sr-users@lists.sip-router.org > >> http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users > > > > > > > > _______________________________________________ > > SIP Express Router (SER) and Kamailio (OpenSER) - sr-users mailing list > > sr-users@lists.sip-router.org > > http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users > > > > > > -- > Carsten Bock > CEO (Geschäftsführer) > > ng-voice GmbH > Millerntorplatz 1 > 20359 Hamburg / Germany > > http://www.ng-voice.com > mailto:cars...@ng-voice.com > > Office +49 40 5247593-40 > Fax +49 40 5247593-99 > > Sitz der Gesellschaft: Hamburg > Registergericht: Amtsgericht Hamburg, HRB 120189 > Geschäftsführer: Carsten Bock > Ust-ID: DE279344284 > > Hier finden Sie unsere handelsrechtlichen Pflichtangaben: > http://www.ng-voice.com/imprint/ > > _______________________________________________ > SIP Express Router (SER) and Kamailio (OpenSER) - sr-users mailing list > sr-users@lists.sip-router.org > http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users >
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