Index: trunk/test/testrun_2a.sh
===================================================================
--- trunk/test/testrun_2a.sh	(revision 469)
+++ trunk/test/testrun_2a.sh	(revision 472)
@@ -233,5 +233,5 @@
 }
 
-MAXTEST=5; export MAXTEST
+MAXTEST=6; export MAXTEST
 
 testrun2a ()
@@ -300,4 +300,15 @@
     else
 	[ -z "$quiet" ] && log_fail 5 ${MAXTEST} "Encryption backward compat";
+    fi
+    #
+    SERVER_BUILDOPTS="${SERVER_BUILDOPTS_ORIG} --disable-ipv6"; export SERVER_BUILDOPTS
+    CLIENT_BUILDOPTS="${CLIENT_BUILDOPTS_ORIG} --disable-ipv6"; export CLIENT_BUILDOPTS
+    #
+    testrun2a_internal
+    do_test_1_a
+    if [ $? -eq 0 ]; then
+	[ -z "$quiet" ] && log_ok   6 ${MAXTEST} "IPv6 disabled";
+    else
+	[ -z "$quiet" ] && log_fail 6 ${MAXTEST} "IPv6 disabled";
     fi
     #