@Clive_A Thanks for your response. My Android tablet doesn't have the option of connecting to the internet via sim card so I have to hotspot through my iPhone. I'm guessing the connection gets lost...

@Clive_A I'm using the ER605 with Omada Controller (v5.13.23) and followed this guide for both iOS and Android settings. I have a vpn connection setup for L2TP and that works fine when connecting...

@yorkman Replying to myself here. Found the problem: https://api.dynu[dot]com/nic/update?hostname=[DOMAIN]]&alias=vpn&username=[USERNAME]&password=[PASSWORD] As you can see above there's an extra ]...

although the format was accepted it doesn't appear to update it. How can I check if it's even attempting to update it? Right now all I know is that it's not updating the dns record at dynu but the...

I have tried the syntax suggested above, but I still keep getting the same stupid error as the op. I'm trying to set it up with DYNU[dot]com on my ER605 in Omada v5.9.31 The format...

@shberge Thank you for your help. You were right, and the problem has been resolved.