Index: sys/net/if_clone.c
===================================================================
--- sys/net/if_clone.c
+++ sys/net/if_clone.c
@@ -571,7 +571,7 @@
 
 /*
  * A utility function to extract unit numbers from interface names of
- * the form name###[.###].
+ * the form name###.
  *
  * Returns 0 on success and an error on failure.
  */
@@ -582,9 +582,7 @@
 	int		cutoff = INT_MAX / 10;
 	int		cutlim = INT_MAX % 10;
 
-	if ((cp = strrchr(name, '.')) == NULL)
-		cp = name;
-	for (; *cp != '\0' && (*cp < '0' || *cp > '9'); cp++);
+	for (cp = name; *cp != '\0' && (*cp < '0' || *cp > '9'); cp++);
 	if (*cp == '\0') {
 		*unit = -1;
 	} else if (cp[0] == '0' && cp[1] != '\0') {
Index: sys/net/if_vlan.c
===================================================================
--- sys/net/if_vlan.c
+++ sys/net/if_vlan.c
@@ -993,11 +993,12 @@
 	proto = ETHERTYPE_VLAN;
 
 	/*
-	 * There are two ways to specify the cloned device:
+	 * There are three ways to specify the cloned device:
 	 * o pass a parameter block with the clone request.
+	 * o specify parameters in the text of the clone device name
 	 * o specify no parameters and get an unattached device that
 	 *   must be configured separately.
-	 * The first technique is preferred; the latter is supported
+	 * The first technique is preferred; the latter two are supported
 	 * for backwards compatibility.
 	 *
 	 * XXXRW: Note historic use of the word "tag" here.  New ioctls may be
@@ -1018,13 +1019,14 @@
 		vid = vlr.vlr_tag;
 		proto = vlr.vlr_proto;
 		wildcard = (unit < 0);
+	} else if ((p = vlan_clone_match_ethervid(name, &vid)) != NULL) {
+		unit = -1;
+		wildcard = 0;
 	} else {
 		p = NULL;
 		error = ifc_name2unit(name, &unit);
 		if (error != 0)
 			return (error);
-
-		wildcard = (unit < 0);
 	}
 
 	error = ifc_alloc_unit(ifc, &unit);