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32 lines
1.3 KiB
Plaintext
32 lines
1.3 KiB
Plaintext
#
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# RouterOS script: update-gre-address
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# Copyright (c) 2013-2018 Christian Hesse <mail@eworm.de>
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#
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# update gre interface remote address with dynamic address from
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# ipsec remote peer
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:global "gre-cert-prefix";
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:global "gre-int-prefix";
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/ interface gre set remote-address=0.0.0.0 disabled=yes [ find where !running !disabled ];
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:foreach peer in=[ / ip ipsec remote-peers find ] do={
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:local id [ / ip ipsec remote-peers get $peer id ];
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:if ([ :pick $id 0 [ :len $"gre-cert-prefix" ] ] = $"gre-cert-prefix") do={
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:local name [ :pick $id [ :len $"gre-cert-prefix" ] [ :len $id ] ];
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:local addrnew [ / ip ipsec remote-peers get $peer dynamic-address ];
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:local grename ($"gre-int-prefix" . $name);
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:local greint [ / interface gre find where name=$grename ];
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:if ([ :len $greint ] > 0) do={
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:local addrold [ / interface gre get $greint remote-address ];
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:local disabled [ / interface gre get $greint disabled ];
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:if ($addrnew != $addrold || $disabled = true) do={
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:log info ("Update remote address for interface " . $grename . " to " . $addrnew);
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/ interface gre set remote-address=0.0.0.0 disabled=yes [ find where remote-address=$addrnew name!=$grename ];
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/ interface gre set $greint remote-address=$addrnew disabled=no;
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}
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}
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}
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}
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