@TJMN What is the specific firmware version of your MR600 V2? And did you purchase it on your own or got it from your ISP?

@khalidhji @mountain64 Hi All, The phenomenon description regarding this issue has been updated on the post marked as recommended solution:...

@giannishawk Hi, the ht 802 grandstream ata only needs internet access from the router, right? Try to disable SIP ALG on Advanced > NAT Forwarding > ALG page, if it is still the same, please connect...

@OddGentleman Hi, there are usually only three client devices, right? does the issue happen only when a specific client device starts to use internet activity, or any second client device? Please...

@Neon1234XX Hi, upon checking, the SG version firmware is a localized firmware which cannot update EU or US version firmware. Please wait for the new firmware release for SG version.

@Amin7860 Hi, unfortunately, we community don't have advanced notice about when GX90 will support Ethernet Backhaul, please pay attention to this thread and also firmware update on the router.