mirror of
https://github.com/eworm-de/routeros-scripts
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39 lines
1.5 KiB
Text
39 lines
1.5 KiB
Text
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# RouterOS script: ipv6-update
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# Copyright (c) 2013-2018 Christian Hesse <mail@eworm.de>
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#
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# update firewall and dns settings on IPv6 prefix change
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:global "ipv6-interface";
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:global "ipv6-pool";
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:local addrlist [ / ipv6 firewall address-list find where comment=("ipv6-pool-" . $"ipv6-pool") ];
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:local oldprefix [ / ipv6 firewall address-list get $addrlist address ];
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# give the interfaces a moment to receive their addresses
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:delay 2s;
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if ($oldprefix != $"pd-prefix") do={
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:log info ("Updating ipv6 address list with new IPv6 prefix " . $"pd-prefix");
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/ ipv6 firewall address-list set address=$"pd-prefix" $addrlist;
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:local oldprefix56 [ :pick $oldprefix 0 [ :find $oldprefix "00::/56" ] ];
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:local oldprefix64 [ :pick $oldprefix 0 [ :find $oldprefix "::/56" ] ];
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:local newprefix [ / ipv6 address get [ / ipv6 address find where from-pool=$"ipv6-pool" interface=$"ipv6-interface" ] address ];
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:local newprefix64 [ :pick $newprefix 0 [ :find $newprefix "::/64" ] ];
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:foreach record in=[ / ip dns static find where address~$oldprefix56 ] do={
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:local address [ / ip dns static get $record address ];
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:local name [ / ip dns static get $record name ];
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:if ( [ :len $name ] = 0) do={
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:set name [ / ip dns static get $record regex ];
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}
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:local suffix [ :pick $address [ :len $oldprefix64 ] [ :len $address ] ];
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:log info ("Updating dns record for " . $name . ": " . $address . " -> " . $newprefix64 . $suffix);
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/ ip dns static set address=($newprefix64 . $suffix) $record;
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}
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}
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