diff --git a/xCAT-server/share/xcat/devicetype/EthSwitch/Jun/config b/xCAT-server/share/xcat/devicetype/EthSwitch/Jun/config
index 27ecfd8bc..b6d158239 100644
--- a/xCAT-server/share/xcat/devicetype/EthSwitch/Jun/config
+++ b/xCAT-server/share/xcat/devicetype/EthSwitch/Jun/config
@@ -3,4 +3,4 @@
 ssh-setup-command=
 [xdsh]
 pre-command=set cli screen-length 0;
-post-command=NULL
+post-command=set cli screen-length 0;