Dynamic DNS failing (not making?) automatic updates
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I have pfSense (2.5.2) with two WAN connections configured in an active-passive setup. I also have 3 Dynamic DNS Clients configured, one for each WAN link and one for the default gateway (which would change depending on which WAN was active). All three are updating Cloudflare. All three also work fine when I manually force an update from the edit screen.
Occasionally, when I am in the webConfigurator looking at something else, I'll notice the Dynamic DNS status for the secondary WAN shows a Red "X" and has not been updated. If I force an update manually, it returns to green.
I enabled the verbose logging and saved the logs from when the issue occurred. It seems to be when a failover/failback between the WAN links happens; I see the other 2 clients make updates, but this one doesn't even seem to try.
Here are the logs: https://pastebin.com/uarA2hnj
The first (chronologically, last in the log file) is me manually updating the "home-secondary" client successfully. After that you see some WAN switching events and successful attempts at updating the other two clients, but never see any mention of "home-secondary" again. It's like pfSense doesn't even try.
Any idea why home-secondary isn't updating automatically?