diff --git a/xCAT-server/share/xcat/scripts/configBNT b/xCAT-server/share/xcat/scripts/configBNT
index 3dc4062bc..23e81e656 100755
--- a/xCAT-server/share/xcat/scripts/configBNT
+++ b/xCAT-server/share/xcat/scripts/configBNT
@@ -158,7 +158,7 @@ sub config_ip {
         # don't need to set if ip addresses are same
         if ($dip eq $static_ip) {
             print "static ip $static_ip and discovery ip $dip is same, will not process command for $switch\n";
-            $cmd = "chdef $csw otherinterfaces=";
+            $cmd = "chdef $switch otherinterfaces=";
             $rc= xCAT::Utils->runcmd($cmd, 0);
             next;
         }
@@ -545,15 +545,16 @@ sub config_desc {
 sub usage
 {
     print "Usage:
-    configBNT [-?│-h│--help] 
-    configBNT [--switches switchnames] [--all] 
-    configBNT [--switches switchnames] [--ip] 
-    configBNT [--switches switchnames] [--name ] 
-    configBNT [--switches switchnames] [--snmp] [--user snmp_user] [--password snmp_password] [--group snmp_group]
-    configBNT [--switches switchnames] [--port port] [--vlan vlan]
+    configBNT -h│--help 
+    configBNT --switches switchnames --ip 
+    configBNT --switches switchnames --name  
+    configBNT --switches switchnames --snmp [--user snmp_user] [--password snmp_password] [--group snmp_group]
+    configBNT --switches switchnames --port port --vlan vlan
+
+    To set the ip address, hostname and config snmp:
+        configBNT --switches switchnames --all 
 
     To set the description for a port on the switch: 
-
         configBNT --switches switchnames --port port --desc \"description\"
     \n";
 }
diff --git a/xCAT-server/share/xcat/scripts/configMellanox b/xCAT-server/share/xcat/scripts/configMellanox
index f0a771488..2e6f1db34 100755
--- a/xCAT-server/share/xcat/scripts/configMellanox
+++ b/xCAT-server/share/xcat/scripts/configMellanox
@@ -329,12 +329,16 @@ sub run_rspconfig {
 sub usage
 {
     print "Usage:
-    configMellanox [-?│-h│--help] 
-    configMellanox [--switches switchnames] [--all]
-    configMellanox [--switches switchnames] [--ip]
-    configMellanox [--switches switchnames] [--name]
-    configMellanox [--switches switchnames] [--snmp] [--user snmp_user] [--password snmp_password] [--auth snmp_auth]
-    configMellanox [--switches switchnames] [--config]  
+    configMellanox -h│--help 
+    configMellanox --switches switchnames --ip
+    configMellanox --switches switchnames --name
+    configMellanox --switches switchnames --snmp [--user snmp_user] [--password snmp_password] [--auth snmp_auth]
+    
+    To set the ip address, hostname, config snmp and run rspconfig command:
+        configMellanox --switches switchnames --all
+
+    To run rspconfig command: 
+        configMellanox --switches switchnames --config  
     \n";
 }
 
diff --git a/xCAT-server/share/xcat/scripts/configcumulus b/xCAT-server/share/xcat/scripts/configcumulus
index 7a6cbb55d..d367c2977 100755
--- a/xCAT-server/share/xcat/scripts/configcumulus
+++ b/xCAT-server/share/xcat/scripts/configcumulus
@@ -227,6 +227,7 @@ sub install_license {
     print "file = $license_file\n";
     if (!(-e $license_file) ) {
         print "$license_file is not exist\n";
+        return;
     }
 
     foreach my $switch (@nodes) {
@@ -371,21 +372,6 @@ sub config_ntp {
     
 }
 
-sub config_vlan {
-    if ($::PORT) {
-        $port = $::PORT;
-    } else {
-        &usage;
-        exit(1);
-    }
-    $vlan = $::VLAN;
-    print "Tagging VLAN=$vlan for $switches port $port\n";
-    #create vlan, tagged vlan
-    #$cmd = `xdsh $switches --devicetype EthSwitch::BNT "enable;configure terminal;vlan $vlan;exit;interface port $port;switchport mode trunk;switchport trunk allowed vlan $vlan;write memory;exit;exit"`;
-
-}
-
-
 #---------------------------------------------------------
 
 =head3    usage
@@ -398,13 +384,14 @@ sub config_vlan {
 sub usage
 {
     print "Usage:
-    configBNT [-?│-h│--help] 
-    configBNT [--switches switchnames] [--all] 
-    configBNT [--switches switchnames] [--ssh] 
-    configBNT [--switches switchnames] [--license filename ] 
-    configBNT [--switches switchnames] [--snmp] [--user snmp_user] [--password snmp_password] [--group snmp_group]
-    configBNT [--switches switchnames] [--ntp] 
-    configBNT [--switches switchnames] [--port port] [--vlan vlan]
+    configcumulus -h│--help 
+    configcumulus --switches switchnames --ssh 
+    configcumulus --switches switchnames --license filename  
+    configcumulus --switches switchnames --snmp [--user snmp_user] [--password snmp_password] [--group snmp_group]
+    configcumulus --switches switchnames --ntp 
+
+    To set ssh, install license(license file: /root/license.txt), config snmp and ntp:
+        configcumulus --switches switchnames --all 
     \n";
 }