@andy1102 It does seem like a strange problem, try using the traceroute command to check where the VPN data is going. Did you use the gateway in standalone or controller mode? If standalone, going to...

@Homerunner I've seen similar problems before, basically the switch data report shows an error, but I remember the firmware version was updated to fix it, so I suggest you try upgrading the switch...

@CoolNet It is likely that the current firmware version of EAP is not yet adapted with this feature, so it is recommended to wait for a later firmware update.

@johnsnow88 My EAP225 has been working fine and I'm curious if this packet loss issue has been there since you first deployed this EAP225 or if it only occurred after you upgraded the EAP firmware...

@Parcelpro The ER5120 is a very old model, and as far as I know, it does not support setting up OpenVPN.

@Naldjer Try rebooting the gateway, or you can re-set this ACL rule and test again.