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#!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 LogPrintExit;
:global ParseKeyValueStore;
: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;
}
}
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