Dynamic DNS IP wrong
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I have a internal 4G modem setup as a secondary WAN. My 4G provider is apparently using bogon IPs in the 6.0.0.0/8 space and then NATing traffic out through a "real" IP in the 172.32.0.0/11 space.
As the modem received a 6.0.0.0/8 address via DHCP, this is understandably what shows up on the gateway page.
I have a custom Dynamic DNS client setup for this 4G interface, but I want it to update with the public facing 172.32.0.0/11 address, instead of the 6.0.0.0/8 address. Reading the docs and the webUI, it seems that it should be using the top defined "Check IP Service" (in my case, the default http://checkip.dyndns.org) but it is not and is updating my Dynmaic DNS record with the 6.0.0.0/8 address instead. Am I doing something wrong, or is this a bug?