diff --git a/xCAT-server/lib/xcat/plugins/sles.pm b/xCAT-server/lib/xcat/plugins/sles.pm
index e44a8e719..5797dd21b 100755
--- a/xCAT-server/lib/xcat/plugins/sles.pm
+++ b/xCAT-server/lib/xcat/plugins/sles.pm
@@ -1190,6 +1190,7 @@ sub mkinstall
                my $domain=$nodedomains{$node};
 
                $kcmdline .=" Domain=$domain ";
+               $kcmdline .=" netwait=10 ";
            }