Index: /branches/rel_apv_10_7/usr/click/lib/libip/sip.c
===================================================================
--- /branches/rel_apv_10_7/usr/click/lib/libip/sip.c	(revision 39611)
+++ /branches/rel_apv_10_7/usr/click/lib/libip/sip.c	(working copy)
@@ -14196,6 +14196,10 @@
 		return IP_ERROR;
 	}
 
+	if (check_string_have_space(ca_id)){
+		printf("Interface name can not have any space\n");
+		return IP_ERROR;
+	}
 	if (!strcasecmp(ca_id, "ALL")) {
 		printf("\"%s\" is a reserved name.\n", ca_id);
 		return IP_ERROR;