routeros-scripts-main/ppp-on-up

#!rsc
# RouterOS script: ppp-on-up
# Copyright (c) 2013-2018 Christian Hesse <mail@eworm.de>
#
# run scripts on ppp up

# variable $interface is available in ppp on-up script
:local dhcpclient [ / ipv6 dhcp-client find where interface=$interface ];

:if ( [ :len $dhcpclient ] > 0) do={
  / ipv6 dhcp-client disable $dhcpclient;
  :delay 1s;
  / ipv6 dhcp-client enable $dhcpclient;
}