My question is how can I keep IPv6 SPI Firewall (in order to have increased security) WITHOUT blocking ICMPv6 (required for IPv6 to work properly)? ICMP is needed in an IPv6 network for it to work pro

I have a VR900 DSL modem/router V3 running firmware 170303. When I select firmware upgrade on the GUI it tells me I have the lastest firmware already. However when I go on the TP-Link website (UK) & s