diff --git a/data/PVE/Network.pm b/data/PVE/Network.pm
index fd5207e..c20951e 100644
--- a/data/PVE/Network.pm
+++ b/data/PVE/Network.pm
@@ -72,14 +72,28 @@ sub activate_bridge_vlan {
     die "got strange vlan tag '$tag_param'\n" if $tag < 1 || $tag > 4094;
 
     my $bridgevlan = "${bridge}v$tag";
-    my $iface = $bridge;
+
+    my $dir = "/sys/class/net/$bridge/brif";
+
+    #check if we have an only one ethX or bondX interface in the bridge
+    
+    my $iface;
+    PVE::Tools::dir_glob_foreach($dir, '((eth|bond)\d+)', sub {
+	my ($slave) = @_;
+
+	die "more then one physical interfaces on bridge '$bridge'\n" if $iface;
+	$iface = $slave;
+
+    });
+
+    die "no physical interface on bridge '$bridge'\n" if !$iface;
+
     my $ifacevlan = "${iface}.$tag";
-    my $vlanflags = "reorder_hdr on gvrp on";
 
     # create vlan on $iface is not already exist
     if (! -d "/sys/class/net/$ifacevlan") {
-      system("/sbin/ip link add link $iface name $ifacevlan type vlan id $tag $vlanflags") == 0 ||
-          die "can't add vlan tag $tag to interface $iface\n";
+	system("/sbin/vconfig add $iface $tag") == 0 ||
+	    die "can't add vlan tag $tag to interface $iface\n";
     }
 
     # be sure to have the $ifacevlan up