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Forum Discussion
R7000P V1.3.3.140_10.1.75 forward sip message , don't change ip.src
Hello everyone, I am developing a VOIP software system and I have noticed an issue: the Netgear R7000P router does not modify the value of the ip.src field of the UDP message when forwarding SIP (...
the Netgear R7000P router does not modify the value of the ip.src field of the UDP message when forwarding SIP (UDP). The specific situation is shown in the following picture:
Try going into the advanced WAN settings and disabling the SIP ALG. See page 49 here:
- https://www.downloads.netgear.com/files/GDC/R7000P/R7000P_UM_EN.pdf
I have disabled the SIP alg option. I think this option only affects the WAN port and has nothing to do with the LAN port.
I think this option only affects the WAN port and has nothing to do with the LAN port.
Netgear hasn't bothered to document exactly what it does.
But the mapping you want is in fact done when the packet exits the WAN port.
Did disabling it make any difference?