[OpenSIPS-Users] Useless NAT check with IPV6

Robert Dyck rob.dyck at telus.net
Wed Jun 24 21:36:04 EST 2020

Context: opensips 3.0.2

I wanted to cleanup a working configuration so I eliminated the NAT check if the address family 
was IPV6. This was in the initial request route. I was surprised to see that an IPV6 INVITE would 
fail. The REGISTERs were good.

Could someone explain to me what is happening.
Thanks, Rob

Config and debug on failure

       if ($af == "INET") { 

un 24 10:09:34 [1682250] Branch index is 0  

Debug of NAT check, working scenario

Jun 24 13:59:52 [1707071] Received request from WAN, Method is INVITE 

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