Index: libteredo/maintain.c
===================================================================
--- libteredo/maintain.c	(révision 1813)
+++ libteredo/maintain.c	(copie de travail)
@@ -428,6 +428,9 @@
 		{
 			count = 0;
 
+			if (state == PROBE_SYMMETRIC)
+				c_state->addr.teredo.client_port = newaddr.teredo.client_port;
+
 			if ((c_state->addr.teredo.client_port != newaddr.teredo.client_port)
 			 || (c_state->addr.teredo.client_ip != newaddr.teredo.client_ip))
 			{