#!rsc # RouterOS script: ipv6-update # Copyright (c) 2013-2020 Christian Hesse <mail@eworm.de> # # update firewall and dns settings on IPv6 prefix change :local PdPrefix $"pd-prefix"; :global ParseKeyValueStore; :global LogPrintExit; :if ([ :typeof $PdPrefix ] = "nothing") do={ $LogPrintExit error "This script is supposed to run from ipv6 dhcp-client." true; } :local Pool [ / ipv6 pool get [ find where prefix=$PdPrefix ] name ]; :local AddrList [ / ipv6 firewall address-list find where comment=("ipv6-pool-" . $Pool) ]; :local OldPrefix [ / ipv6 firewall address-list get $AddrList address ]; # give the interfaces a moment to receive their addresses :delay 2s; if ($OldPrefix != $PdPrefix) do={ :log info ("Updating IPv6 address list with new IPv6 prefix " . $PdPrefix); / ipv6 firewall address-list set address=$PdPrefix $AddrList; :foreach Record in=[ / ip dns static find where comment~("^ipv6-pool-" . $Pool . ",") ] do={ :local RecordVal [ / ip dns static get $Record ]; :local Comment [ $ParseKeyValueStore ($RecordVal->"comment") ]; :local Prefix [ / ipv6 address get [ find where interface=($Comment->"interface") from-pool=$Pool global ] address ]; :set Prefix [ :toip6 [ :pick $Prefix 0 [ :find $Prefix "/64" ] ] ]; :local Address ($Prefix | ([ :toip6 ($RecordVal->"address") ] & ::ffff:ffff:ffff:ffff)); :log info ("Updating DNS record for " . ($RecordVal->"name") . ($RecordVal->"regexp") . " to " . $Address); / ip dns static set address=$Address $Record; } }