diff -urN build_dir/linux-ar71xx_generic/ipsec-tools-0.8.0/src/racoon/ipsec_doi.c build_dir/linux-ar71xx_generic/ipsec-tools-0.8.0a/src/racoon/ipsec_doi.c
--- a/src/racoon/ipsec_doi.c	2010-12-14 19:57:31.000000000 +0200
+++ b/src/racoon/ipsec_doi.c	2011-07-13 12:07:44.000000000 +0300
@@ -3582,8 +3582,8 @@
 	    iph1->approval->authmethod == OAKLEY_ATTR_AUTH_METHOD_PSKEY) {
 		 if (id_b->type != IPSECDOI_ID_IPV4_ADDR
 		  && id_b->type != IPSECDOI_ID_IPV6_ADDR) {
-			plog(LLV_ERROR, LOCATION, NULL,
-				"Expecting IP address type in main mode, "
+			plog(LLV_WARNING, LOCATION, NULL,
+				"Expecting IP address type in main mode (RFC2409) , "
 				"but %s.\n", s_ipsecdoi_ident(id_b->type));
 			return ISAKMP_NTYPE_INVALID_ID_INFORMATION;
 		}