[sr-dev] RTPEngine - No support for kernel packet forwarding available

Richard Fuchs rfuchs at sipwise.com
Tue Mar 2 19:12:54 CET 2021


On 01/03/2021 05.02, Suresh Talasaniya wrote:
> Hello folks,
>
> RTPEngine - No support for kernel packet forwarding available, please 
> find the below information/logs.
>
> Mar  1 01:46:45 sp201 rtpengine[14973]: INFO: 
> [9ca2e714-95d0-9662-82e9-e89659024d66]: [control] Received command 
> 'offer' from 127.0.0.1:52657 <http://127.0.0.1:52657>
> Mar  1 01:46:45 sp201 rtpengine[14973]: NOTICE: 
> [9ca2e714-95d0-9662-82e9-e89659024d66]: [core] Creating new call
> Mar  1 01:46:45 sp201 rtpengine[14973]: */ERR: 
> [9ca2e714-95d0-9662-82e9-e89659024d66]: [crypto] Failed to init DTLS 
> connection: srtp unknown protection profile/*
> Mar  1 01:46:45 sp201 rtpengine[14973]: ERR: 
> [9ca2e714-95d0-9662-82e9-e89659024d66]: [crypto] Failed to init DTLS 
> connection: srtp unknown protection profile
> Mar  1 01:46:45 sp201 rtpengine[14973]: ERR: 
> [9ca2e714-95d0-9662-82e9-e89659024d66]: [crypto] Failed to init DTLS 
> connection: srtp unknown protection profile
> Mar  1 01:46:45 sp201 rtpengine[14973]: ERR: 
> [9ca2e714-95d0-9662-82e9-e89659024d66]: [crypto] Failed to init DTLS 
> connection: srtp unknown protection profile

Maybe your OpenSSL doesn't support AEAD-AES-GCM. Try with a newer 
OpenSSL, or try commenting out the two lines:

crypto.c:47:        .dtls_name        = "SRTP_AEAD_AES_256_GCM",
crypto.c:70:        .dtls_name        = "SRTP_AEAD_AES_128_GCM",

Cheers

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