--- linux-2.4.17/net/8021q/vlan.c	Sat Jan 19 15:25:21 2002
+++ linux-2.4.17stefan/net/8021q/vlan.c	Tue Mar 19 22:35:46 2002
@@ -468,6 +468,23 @@
 	struct net_device *vlandev = NULL;
 
 	switch (event) {
+	case NETDEV_CHANGE:
+		for (grp = p802_1Q_vlan_list; grp != NULL; grp = grp->next) {
+			for (i = 0; i < VLAN_GROUP_ARRAY_LEN; i++) {
+                                vlandev = grp->vlan_devices[i];
+				if (vlandev && VLAN_DEV_INFO(vlandev)->real_dev == dev) {
+					if (netif_carrier_ok(vlandev) != netif_carrier_ok(dev)) {
+						if (netif_carrier_ok(dev)) {
+							netif_carrier_on(vlandev);
+						} else {
+							netif_carrier_off(vlandev);
+						}
+					}
+				}
+			}
+		}
+		break;
+	
 	case NETDEV_CHANGEADDR:
 		/* Ignore for now */
 		break;