add On Up ppp default profile

:local interfaceName [/interface get $interface name];
:delay 10
:log info "profile-pppoe-isp client up: ipv6 dhcp-client release";
/ipv6 dhcp-client release [find interface=$interfaceName];



I use below console command, "pppoe-UniFi" is my pppoe dialer interface, you need to replace it with your interface name.

- interface=bridge.UniFi (bridge.UniFi is my data vlan bridge, replace with your data vlan bridge name)


____________________

/ipv6 nd
set [ find default=yes ] disabled=yes

/ipv6 dhcp-client
add add-default-route=yes interface="pppoe-UniFi" pool-name=pool-ipv6 request=prefix
:delay 10s
print

/ipv6 address
add address=::/64 from-pool=pool-ipv6 interface=bridge.UniFi advertise=yes
:delay 10s

/ipv6 nd
add interface=bridge.UniFi ra-interval=20s-60s ra-lifetime=1800


/ipv6 firewall filter
add chain=input action=drop connection-state=invalid comment="Drop (invalid)"
add chain=input action=accept connection-state=established,related comment="Accept (established, related)"
add chain=input action=accept in-interface="pppoe-UniFi" protocol=udp src-port=547 limit=10,20:packet comment="Accept DHCP (10/sec)"
add chain=input action=drop in-interface="pppoe-UniFi" protocol=udp src-port=547 comment="Drop DHCP (>10/sec)"
add chain=input action=accept in-interface="pppoe-UniFi" protocol=icmpv6 limit=10,20:packet comment="Accept external ICMP (10/sec)"
add chain=input action=drop in-interface="pppoe-UniFi" protocol=icmpv6 comment="Drop external ICMP (>10/sec)"
add chain=input action=accept in-interface=!"pppoe-UniFi" protocol=icmpv6 comment="Accept internal ICMP"
add chain=input action=drop in-interface="pppoe-UniFi" comment="Drop external"
add chain=input action=reject comment="Reject everything else"
add chain=output action=accept comment="Accept all"
add chain=forward action=drop connection-state=invalid comment="Drop (invalid)"
add chain=forward action=accept connection-state=established,related comment="Accept (established, related)"
add chain=forward action=accept in-interface="pppoe-UniFi" protocol=icmpv6 limit=20,50:packet comment="Accept external ICMP (20/sec)"
add chain=forward action=drop in-interface="pppoe-UniFi" protocol=icmpv6 comment="Drop external ICMP (>20/sec)"
add chain=forward action=accept in-interface=!"pppoe-UniFi" comment="Accept internal"
add chain=forward action=accept out-interface="pppoe-UniFi" comment="Accept outgoing"
add chain=forward action=drop in-interface="pppoe-UniFi" comment="Drop external"
add chain=forward action=reject comment="Reject everything else"