diff --git a/xCAT-server/lib/xcat/plugins/sles.pm b/xCAT-server/lib/xcat/plugins/sles.pm
index 0f69e07b7..171415e7b 100755
--- a/xCAT-server/lib/xcat/plugins/sles.pm
+++ b/xCAT-server/lib/xcat/plugins/sles.pm
@@ -1191,6 +1191,7 @@ sub mkinstall
                my $domain=$nodedomains{$node};
 
                $kcmdline .=" Domain=$domain ";
+               $kcmdline .=" netwait=10 ";
            }