Thanks Alex. So it turns out my rtpengine stopped working after our latest kernel upgrade to:
Linux sjomainrtpe30 5.3.0-1035-aws #37-Ubuntu SMP Sun Sep 6 01:17:09 UTC 2020 x86_64 x86_64 x86_64 GNU/Linux at the time, I was running an older version 8.0.x so I recompiled all the ngcp packages under this kernel and completed the installation without issues. As soon as we started making test calls, I received 0 audio from those test endpoints. Looking at the rtpengine logs, I see several messages that's quite concerning: Sep 11 18:43:41 sjomainrtpe30 kernel: [ 13.434623] xt_RTPENGINE: loading out-of-tree module taints kernel. Sep 11 18:43:41 sjomainrtpe30 kernel: [ 13.434670] xt_RTPENGINE: module verification failed: signature and/or required key missing - tainting kernel Sep 11 18:43:41 sjomainrtpe30 kernel: [ 13.434938] Registering xt_RTPENGINE module - version 9.0.1.0+0~mr9.0.1.0 and Sep 11 18:49:50 sjomainrtpe30 rtpengine[1030]: WARNING: [2-7859@2600:1f1c:4ff:3e01:f64d:2f67:c0fa:c931 port 50000]: No support for kernel packet forwarding available (decryption cipher or HMAC not supported by kernel module) which I assume is due to the first error I pasted. So I tried - rebooting the system which maybe the module wasn't loaded properly. - I reran modprobe to make sure the module is installed - I ran some dkms command to see if any error pop up due to the kernel version I'm running and I see no errors: dkms status falco, 0.20.0+d77080a, 5.3.0-1032-aws, x86_64: installed falco, 0.20.0+d77080a, 5.3.0-1035-aws, x86_64: installed ngcp-rtpengine, 9.0.1.0+0~mr9.0.1.0, 5.3.0-1032-aws, x86_64: installed ngcp-rtpengine, 9.0.1.0+0~mr9.0.1.0, 5.3.0-1035-aws, x86_64: installed So I'm running out of options. Any advice? On Fri, Sep 11, 2020 at 3:17 PM Alex Balashov <abalas...@evaristesys.com> wrote: > There is an RTPEngine mailing list, I believe, but RTPEngine questions > are often posed here given its close association with Kamailio. What's > going on? > > On 9/11/20 2:57 PM, Andrew Chen wrote: > > Hey guys, > > > > Is this the right place to ask about rtpengine (ngcp) related issues > > with kernel packet forwarding? > > > > Thanks. > > > > -- > > Andy Chen > > Sr. Telephony Lead Engineer > > achen@ <mailto:ac...@thinkingphones.com>fuze.com <http://fuze.com> > > > > > > > > *Confidentiality Notice: The information contained in this e-mail and any > > attachments may be confidential. If you are not an intended recipient, > you > > are hereby notified that any dissemination, distribution or copying of > this > > e-mail is strictly prohibited. If you have received this e-mail in error, > > please notify the sender and permanently delete the e-mail and any > > attachments immediately. You should not retain, copy or use this e-mail > or > > any attachment for any purpose, nor disclose all or any part of the > > contents to any other person. Thank you.* > > > > _______________________________________________ > > Kamailio (SER) - Users Mailing List > > sr-users@lists.kamailio.org > > https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users > > > > -- > Alex Balashov | Principal | Evariste Systems LLC > > Tel: +1-706-510-6800 / +1-800-250-5920 (toll-free) > Web: http://www.evaristesys.com/, http://www.csrpswitch.com/ > > _______________________________________________ > Kamailio (SER) - Users Mailing List > sr-users@lists.kamailio.org > https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users > -- Andy Chen Sr. Telephony Lead Engineer 415 516 5535 (M) achen@ <ac...@thinkingphones.com>fuze.com -- *Confidentiality Notice: The information contained in this e-mail and any attachments may be confidential. If you are not an intended recipient, you are hereby notified that any dissemination, distribution or copying of this e-mail is strictly prohibited. If you have received this e-mail in error, please notify the sender and permanently delete the e-mail and any attachments immediately. You should not retain, copy or use this e-mail or any attachment for any purpose, nor disclose all or any part of the contents to any other person. Thank you.*
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