@Joseph-TP I'm not talking about 4G, which works as expected. The WAN of the MR600 is connected to my ISP's router's LAN. When I use another router in the same setup, the clients receive IPv6, but...

Hi everyone, I'm experiencing an issue with my TP-Link MR600 (v2) router. The router successfully obtains an IPv6 address from the upstream router, but none of the connected clients are receiving...

@Sunshine I'm on same firmware mentioned in OP and I face random network drop. The router does not connect to network again until rebooted. Could you share the updated firmware please?