esp_error IPSEC VPN HQ to branch with DynamicDNS on Branch FG
I've created a new IPSEC VPN from my HQ to Branch office. It's a site to site configuration but the branch office used DynamicDNS. I used the Wizard and all settings seem to validate when I created it.
Both sides are configured and if I try and bring up the VPN on the Branch side I get an error:
Invalid ESP packet detected (HMAC validation failed).
The HQ side seems to only bring up phase1. I'm using Pre-shared key authentication which I've checked is the same on both FG's.-