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
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