Re: [SR-Users] Kamailio-5.3.3. NAT and RTP not working

Hi Supreeth, I have attached pcap files . kindly check and let me know. filter of rtp packets and check. *filter : sip || rtp* On Thu, May 14, 2020 at 5:15 PM supreeth herle &lt;herlesupreeth(a)gmail.com&gt; wrote: > Hi Pavithra, > > Thanks for the clarification. Can you please attach a pcap of the call > where you are not seeing the RTP packets? And, btw is the call getting > dropped or something in that scenario? > > Regards, > Supreeth > > > On Thu, 14 May 2020 at 13:34, Pavithra Mohanraja < > pavimohan3004(a)gmail.com&gt; wrote: > >> Hi Supreeth, >> >> I have kamailio ims installed in 4 vms inside openstack. >> >> 10.40.10.3 - pcscf in port 4060 (pcscf with NAT enabled in pcscf.cfg >> (!#define WITH_NAT) and configured rtpproxy) >> 10.40.10.12 - icscf in port 4070 >> 10.40.10.5 - scscf in port 4080 >> 10.40.10.30 - hss >> >> so all these vms are running in same subnet. >> I have a floating ip associated to pcscf. >> Now I have two zoiper clients outside openstack >> zoiper1 - 10.0.2.15 (NAT Enabled Network adaptor) >> zoiper2 - 10.0.2.15 >> >> when i am making a call from zoiper1 to zoiper2, call is going >> properly . SIP messages are coming properly in wireshark packets. >> when i filter for RTP packets in wireshark, it is not coming. >> >> >> when i have the zoiper clients inside openstack itself ,i can able to >> see RTP Packets in wireshark between two sip clients without any NAT >> related configurations done. >> >> Kindly help me. >> Thanks. >> >> On Thu, May 14, 2020 at 4:49 PM supreeth herle < >> herlesupreeth(a)gmail.com&gt; wrote: >> >>> Can you explain some more when you mean by "RTP alone is not >>> coming."? And, how are you checking/verifying that? >>> >>> Regards, >>> Supreeth >>> >>> On Thu, 14 May 2020 at 13:12, Pavithra Mohanraja < >>> pavimohan3004(a)gmail.com&gt; wrote: >>> >>>> Hi , >>>> >>>> Yes I have configured as you mentioned only . In my pcscf only i >>>> have rtpproxy also configured. >>>> Floating IP i have given in listen address also as >>>> listen = 10.40.10.3:4060 advertise 10.45.4.22:4060 >>>> >>>> 10.40.10.3 - private ip >>>> 10.45.4.22 - floating ip >>>> Still RTP alone is not coming. >>>> >>>> Is it the only way of configuring NAT ? >>>> >>>> Thanks. >>>> >>>> On Thu, May 14, 2020 at 4:37 PM supreeth herle < >>>> herlesupreeth(a)gmail.com&gt; wrote: >>>> >>>>> Hello Pavithra, >>>>> >>>>> Have you tried advertising the floating IP of the VM running >>>>> RTPProxy as follows? >>>>> >>>>> Edit /etc/default/rtpproxy file as follows: >>>>> >>>>> # Additional options that are passed to the daemon. >>>>> EXTRA_OPTS="-l 172.24.15.30 -d DBUG:LOG_LOCAL0" >>>>> >>>>> here, "-l <PUBLIC_IP>" >>>>> >>>>> Hope it helps. >>>>> >>>>> Regards, >>>>> Supreeth >>>>> >>>>> On Thu, 14 May 2020 at 13:01, Pavithra Mohanraja < >>>>> pavimohan3004(a)gmail.com&gt; wrote: >>>>> >>>>>> Hi , >>>>>> >>>>>> Could anybody please give me the approach how to configure NAT in >>>>>> kamailio IMS. >>>>>> >>>>>> I have installed kamailio IMS in openstack environment which has >>>>>> private ips for all four vms (each component in one vm). pcscf has one >>>>>> floating IP attached. I have enabled "WITH_NAT" and configured rtpproxy . >>>>>> >>>>>> when i make a call from outside of openstack using 2 zoiper >>>>>> clients with outbound proxy keeping floating ip of pcscf, I am getting 200 >>>>>> ok with all SIP packets correctly flowing but there is no RTP Packet. >>>>>> >>>>>> When i try the same within openstack environment without using >>>>>> public ip, I am getting RTP Packets. >>>>>> >>>>>> Kindly tell me the procedure of NAT Enablement or do i need to do >>>>>> anything other than this. >>>>>> >>>>>> Kindly help because i am stuck with this for long time. >>>>>> >>>>>> >>>>>> Thanks. >>>>>> _______________________________________________ >>>>>> Kamailio (SER) - Users Mailing List >>>>>> sr-users(a)lists.kamailio.org >>>>>> https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users >>>>>> >>>>> _______________________________________________ >>>>> Kamailio (SER) - Users Mailing List >>>>> sr-users(a)lists.kamailio.org >>>>> https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users >>>>> >>>> _______________________________________________ >>>> Kamailio (SER) - Users Mailing List >>>> sr-users(a)lists.kamailio.org >>>> https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users >>>> >>> _______________________________________________ >>> Kamailio (SER) - Users Mailing List >>> sr-users(a)lists.kamailio.org >>> https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users >>> >> _______________________________________________ >> Kamailio (SER) - Users Mailing List >> sr-users(a)lists.kamailio.org >> https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users >> > _______________________________________________ > Kamailio (SER) - Users Mailing List > sr-users(a)lists.kamailio.org > https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users > _______________________________________________ Kamailio (SER) - Users Mailing List sr-users(a)lists.kamailio.org https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users