diff --git a/perl-xCAT-2.0/xCAT/Usage.pm b/perl-xCAT-2.0/xCAT/Usage.pm
new file mode 100644
index 000000000..00d208e74
--- /dev/null
+++ b/perl-xCAT-2.0/xCAT/Usage.pm
@@ -0,0 +1,51 @@
+#!/usr/bin/perl
+# IBM(c) 2007 EPL license http://www.eclipse.org/legal/epl-v10.html
+
+package xCAT::Usage;
+
+#-------------------------------------------------------------------------------
+=head1  xCAT::Usage
+=head2    Package Description
+  xCAT usage module. Some commands such as rpower have different implementations 
+  for different hardware. This module holds the usage usage string for these kind
+  of commands so that the usage can be referenced from different modules.
+=cut
+#-------------------------------------------------------------------------------
+
+
+my %usage = (
+    "rpower" => "Usage: rpower <noderange> [--nodeps][on|off|reset|stat|boot]",
+    "rbeacon" => "Usage: rbeacon <noderange> [on|off|stat]",
+    "rvitals" => "Usage: rvitals <noderange> [all|temp|wattage|voltage|fanspeed|power|leds]",
+    "reventlog" => "Usage: reventlog <noderange> [all|clear|<number of entries to retrieve>]",
+    "rinv" => "Usage: rinv <noderange> [all|model|serial|vpd|mprom|deviceid|uuid]",
+    "rsetboot" => "Usage: rsetboot <noderange> [net|hd|cd|def|stat]",
+    "rbootseq" => "Usage: rbootseq <noderange> [hd0|hd1|hd2|hd3|net|iscsi|usbflash|floppy|none],...",
+    "rscan" => "Usage: rscan <noderange> [-w][-x|-z]",
+    "rspconfig" => 
+"Usage: 
+   Common:
+       rspconfig <noderange> [snmpdest|alert|community]
+       rspconfig <noderange> [snmpdest=<dest ip address>|alert=<on|off|en|dis|enable|disable>|community=<string>]
+   BMC specific:
+       rspconfig <noderange> [ip|netmask|gateway|backupgateway|garp]
+       rspconfig <noderange> [garp=<number of 1/2 second>]
+   MPA specific:
+       rspconfig <noderange> [sshcfg|snmpcfg|build]
+       rspconfig <noderange> [shcfg=<enable|disable>|snmpcfg=<enable|disable>]"
+);
+
+#--------------------------------------------------------------------------------
+=head3   getUsage
+      It returns the usage string for the given command.
+    Arguments:
+        command
+    Returns:
+        the usage string for the command.
+=cut
+#-------------------------------------------------------------------------------
+sub getUsage {
+  my ($class, $command)=@_;
+  if (exists($usage{$command})) { return $usage{$command};}  
+  else { return "Usage for command $command cannot be found\n"; }
+}
diff --git a/xCAT-client-2.0/pods/man1/rspconfig.1.pod b/xCAT-client-2.0/pods/man1/rspconfig.1.pod
index 55c076b7c..649212761 100644
--- a/xCAT-client-2.0/pods/man1/rspconfig.1.pod
+++ b/xCAT-client-2.0/pods/man1/rspconfig.1.pod
@@ -4,9 +4,7 @@ B<rspconfig> - remote power control of nodes
 
 =head1 SYNOPSIS
 
-B<rspconfig> I<noderange> {B<alert>|B<snmpdest>|B<community>|B<garp>}
-
-B<rspconfig> I<noderange> {B<ip>|B<netmask>|B<gateway>|B<backupgateway>}
+B<rspconfig> I<noderange> {B<alert>|B<snmpdest>|B<community>}
 
 B<rspconfig> I<noderange> B<alert>={B<on>|B<enable>|B<off>|B<disable>}
 
@@ -14,10 +12,22 @@ B<rspconfig> I<noderange> B<snmpdest>=I<snmpmanager-IP>
 
 B<rspconfig> I<noderange> B<community>={B<public>|I<string>}
 
-B<rspconfig> I<noderange> B<garp>=I<time>
-
 B<rspconfig> [B<-h>|B<--help>|B<-v>|B<--version>]
 
+=head2 BMC specific:
+
+B<rspconfig> I<noderange> {B<ip>|B<netmask>|B<gateway>|B<backupgateway>|B<garp>}
+
+B<rspconfig> I<noderange> B<garp>={I<time>}
+       
+=head2 MPA specific:
+
+B<rspconfig> I<noderange> {B<sshcfg>|B<snmpcfg>|B<build>}
+
+B<rspconfig> I<noderange> B<shcfg>={B<enable>|B<disable>}
+
+B<rspconfig> I<noderange> B<snmpcfg>={B<enable>|B<disable>}
+
 =head1 DESCRIPTION
 
 B<rspconfig> configures various settings in the nodes' service processors.  If only a keyword is
@@ -55,10 +65,18 @@ Get the BMC ip address.
 
 Get the BMC subnet mask.
 
+=item B<snmpcfg>={I<enable>|I<disable>}
+
+Enable or disable SNMP on MPA.
+
 =item B<snmpdest>=I<snmpmanager-IP>
 
 Get or set where the SNMP alerts should be sent to.
 
+=item B<sshcfg>={I<enable>|I<disable>}
+
+Enable or disable SSH on MPA.
+
 =item B<-h>|B<--help>
 
 Prints out a brief usage message.
diff --git a/xCAT-server-2.0/lib/xcat/plugins/blade.pm b/xCAT-server-2.0/lib/xcat/plugins/blade.pm
index c936fa96b..93c382d4a 100644
--- a/xCAT-server-2.0/lib/xcat/plugins/blade.pm
+++ b/xCAT-server-2.0/lib/xcat/plugins/blade.pm
@@ -5,6 +5,7 @@ package xCAT_plugin::blade;
 use xCAT::Table;
 use Thread qw(yield);
 use xCAT::Utils;
+use xCAT::Usage;
 use IO::Socket;
 use SNMP;
 use strict;
@@ -36,16 +37,7 @@ sub handled_commands {
     switchblade => 'nodehm:mgt',
   };
 }
-my %usage = (
-    "rpower" => "Usage: rpower <noderange> [--nodeps][on|off|reset|stat|boot]",
-    "rbeacon" => "Usage: rbeacon <noderange> [on|off|stat]",
-    "rvitals" => "Usage: rvitals <noderange> [all|temp|voltage|fanspeed|power|leds]",
-    "reventlog" => "Usage: reventlog <noderange> [all|clear|<number of entries to retrieve>]",
-    "rinv" => "Usage: rinv <noderange> [all|model|serial|vpd|mprom|deviceid|uuid]",
-    "rbootseq" => "Usage: rbootseq <noderange> [hd0|hd1|hd2|hd3|net|iscsi|usbflash|floppy|none],...",
-    "rscan" => "Usage: rscan <noderange> [-w][-x|-z]",
-    "rspconfig" => "Usage: rspconfig <noderange> [snmpdest[=<dest ip address>]|alert[=on|off|en|dis|enable|disable]|community[=<string>]|sshcfg[=enable|disable]|snmpcfg[=enable|disable]|build]"
-);
+
 my %macmap; #Store responses from rinv for discovery
 my $macmaptimestamp; #reflect freshness of cache
 my $mmprimoid = '1.3.6.1.4.1.2.3.51.2.22.5.1.1.4';#mmPrimary
@@ -1199,11 +1191,12 @@ sub process_request {
   my $command = $request->{command}->[0];
   my @exargs;
   unless ($noderange or $command eq "findme") {
-      if ($usage{$command}) {
-          $callback->({data=>$usage{$command}});
-          $request = {};
-      }
-      return;
+    my $usage_string=xCAT::Usage->getUsage($command);
+    if ($usage_string) {
+      $callback->({data=>$usage_string});
+      $request = {};
+    }
+    return;
   }
   if (ref($request->{arg})) {
     @exargs = @{$request->{arg}};
diff --git a/xCAT-server-2.0/lib/xcat/plugins/ipmi.pm b/xCAT-server-2.0/lib/xcat/plugins/ipmi.pm
index 6ac214259..ce6df590b 100644
--- a/xCAT-server-2.0/lib/xcat/plugins/ipmi.pm
+++ b/xCAT-server-2.0/lib/xcat/plugins/ipmi.pm
@@ -8,6 +8,7 @@ package xCAT_plugin::ipmi;
 
 use Storable qw(store_fd retrieve_fd thaw freeze);
 use xCAT::Utils;
+use xCAT::Usage;
 use Thread qw(yield);
 my $tfactor = 0;
 
@@ -29,16 +30,6 @@ sub handled_commands {
     reventlog => 'nodehm:eventlog,mgt',
   }
 }
-my %usage = (
-    "rpower" => "Usage: rpower <noderange> [on|off|reset|stat|boot]",
-    "rbeacon" => "Usage: rbeacon <noderange> [on|off|stat]",
-    "rvitals" => "Usage: rvitals <noderange> [all|temp|wattage|voltage|fanspeed|power|leds]",
-    "reventlog" => "Usage: reventlog <noderange> [all|clear|<number of entries to retrieve>]",
-    "rinv" => "Usage: rinv <noderange> [all|model|serial|vpd|mprom|deviceid|uuid]",
-    "rsetboot" => "Usage: rsetboot <noderange> [net|hd|cd|def|stat]",
-    "rspconfig" => "Usage: rspconfig <noderange> [snmpdest[=<dest ip address>]|alert[=on|off|en|dis|enable|disable]|community[=<string>]|garp[=<number of 1/2 second>]]"
-);
-    
 
     
 use strict;
@@ -52,6 +43,7 @@ use Digest::MD5 qw(md5);
 use POSIX qw(WNOHANG mkfifo strftime);
 use Fcntl qw(:flock);
 
+
 #local to module
 my @rmcp = (0x06,0x00,0xff,0x07);
 my $auth;
@@ -4583,8 +4575,9 @@ sub process_request {
 	my $extrargs = $request->{arg};
     my @exargs=($request->{arg});
     unless ($noderange) {
-        if ($usage{$command}) {
-            $callback->({data=>$usage{$command}});
+        my $usage_string=xCAT::Usage->getUsage($command);
+        if ($usage_string) {
+            $callback->({data=>$usage_string});
             $request = {};
         }
         return;