@TP-Link_Deco I can ping6 the "public" IPv6 address of the Deco M5 that it got from the ISP. But client's "local" IPv6 address (using DHCPv6/stateful) is not reachable from the internet (tested using...

Will this new firmware also support ICMPv6 (on client side)?

I also would like this to be optional. ICMPv6 is now also blocked even though it's quite important for IPv6 enabled devices.

This should be optional. Seems like now it also block ICMPv6 which quite important for IPv6 enabled devices.

update: I don't know, it seems like it has something to do with the client/device network adapter settings/driver. Now I'm trying on another laptop (Surface GO), there is no spike..

This issue also happened to my E4. Haven't tried disabling IPv6 because I don't believe that's the cause. And I also don't want to disable individual mesh, because obvious reason.