Bought a deco m5 2unit pack 2 days ago . Facing issues regarding ipv6 .. I Can't download , upload  , speedtest or do anything using Ipv6 . I've configured Ipv6 correctly following the settings my isp gave me . Deco app shows that Ipv6 connected successfully , but I cant use it .

When I try to force download something from google drive, or mega using ipv6 it shows a http error . Heres the Log : https://pastebin.com/4ER9jArB .. Says no internet connection or dns failed .. But both were assigned correctly . Even when I go to nperf , ovh speedtesters they can't sense my ipv6 .. When I researched further and came to know about a term called ICMP Firewall or something . Which is causing this issue I think .

Take a look at this screenshot :

It says my router or firewall is blocking icmpv6 .. Then I checked my previous router (Tplink Archer C20) with same ipv6 settings . & it didnt have this issue .. Take a look :

This made me realize the problem is in the icmp firewall or something .. I was using archer c20 for a long time with ipv6 without any issue . I used to download/upload  on drive or mega flawlessly while using archer c20 ..

Heres my ipv6 settings and status:

It shows that ipv6 has connected successfully but Still ipv6 doesn't work properly ..

My isp gives really great ipv6 speed thats why im going through this trouble ..

Please give me solution . How can I unfilter icmpv6 ? Kindly dont say "wait for a new firmware -- --- " like you guys always do .. Give me a real solution ..