dhcp6 client always is requesting,can't get ipv6 prefix...

RouterOS General
1

my software version is 6.43.2,my machine is rb750gr3,my isp is China Telecom. I can get ipv6 when I use my pc by pppoe。

2

Enable dhcp debug logs to see what exactly is happening.

3

Do you confirm that the isp provide the ipv6?
And make sure that
1.“use ipv6” is yes in the pppoe profile.
2.only prefix is checked in the dhcpv6 client