IPV6 Relay error

Hello, I have a problem configuring the IPv6 relay on my MT6000.

I’m sending a link to someone who has the same problem as me, can anyone help me?

the following error always appears in the log.

I have IPv6 with /64 prefix

I’ve already tried native but after a while the connection becomes slow, pages stop loading and the nat6 option I think would be the worst of all than the ipv6 option and not having nat…

odhcpd[1605]: Failed to send to 240e:xxx%wan@pppoe-wan (Bad file descriptor)


can anyone help?