@ot9192 This is likely a compatibility issue. I recommend continuing to use the TELUS internet or considering a router replacement. You can also try adjusting the WAN-side MTU to see if that improves...

@mimi234 Thank you for your post. I will forward the issue you described. Due to differences in firmware versions, configuration import/export between them is currently not supported.

@VolkerS What is the exact Tapo model? Are these devices managed locally? Is the issue occurring on only one Tapo unit?

@GRL Let me summarize the issues you’ve raised. According to your tests, the problem is specific to the ER8411: changing the ISP-side MTU size affects VPN operation—when the MTU is set below 1,378...

@JGJ_GEEK For sales-related questions like this, we recommend consulting your local dealer or distributor—they’re the most reliable source for accurate information.

@Manjunath_M Thank you for your post. When you say the feature “doesn’t work,” what exactly happens? Could you provide more details so I can help troubleshoot? Are any external devices connected to...