add mac_prefix option to datacenter.cfg

We allow up to 3 fixed prefix bytes.

diff --git a/data/PVE/Cluster.pm b/data/PVE/Cluster.pm
index fa4a08fcac2e45d12160157ff00cee392871eb3a..fe741cfc037b22f752fc7d5c317e06aadcecb622 100644 (file)
--- a/data/PVE/Cluster.pm
+++ b/data/PVE/Cluster.pm
@@ -1347,6 +1347,12 @@ my $datacenter_schema = {
              " With both all two modes are used." .
              "\n\nWARNING: 'hardware' and 'both' are EXPERIMENTAL & WIP",
        },
+       mac_prefix => {
+           optional => 1,
+           type => 'string',
+           pattern => qr/[a-f0-9]{2}(?::[a-f0-9]{2}){0,2}:?/i,
+           description => 'Prefix for autogenerated MAC addresses.',
+       },
     },
 };