routeros-scripts/update-gre-address
Christian Hesse e1f134ead5 add scripts
2018-07-05 15:34:08 +02:00

30 lines
1.3 KiB
Text

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