diff --git a/include/tests_ssh b/include/tests_ssh
index 13ae7e8f..290be929 100644
--- a/include/tests_ssh
+++ b/include/tests_ssh
@@ -111,7 +111,8 @@
                 VerifyReverseMapping:YES,,NO:=\
                 X11Forwarding:NO,,YES:=\
                 MaxAuthTries:1,3,6:<\
-                ClientAliveCountMax:2,4,16:<"
+                ClientAliveCountMax:2,4,16:<\
+                ClientAliveInterval:300,600,900:<"
 
         for I in ${SSHOPS}; do
             OPTIONNAME=`echo ${I} | cut -d ':' -f1`