diff --git a/perl-xCAT/xCAT/DSHCLI.pm b/perl-xCAT/xCAT/DSHCLI.pm
index 740592579..1c30dda0e 100644
--- a/perl-xCAT/xCAT/DSHCLI.pm
+++ b/perl-xCAT/xCAT/DSHCLI.pm
@@ -3541,12 +3541,12 @@ sub usage_dsh
     my $usagemsg1 =
       " xdsh -h \n xdsh -q \n xdsh -v \n xdsh [noderange] [group]\n";
     my $usagemsg2 =
-      "      [-B bypass ] [-C context] [-c] [-e] [-E environment_file] [-f fanout]\n";
+      "      [-B bypass ] [-C context] [-c] [-e] [-E environment_file] [--devicetype type_of_device] [-f fanout]\n";
     my $usagemsg3 = "      [-l user_ID] [-L] [-K ssh setup] ";
     my $usagemsg4 =
       "[-m] [-o options][-q] [-Q] [-r remote_shell] [-i image path]\n";
     my $usagemsg5 =
-      "      [-s] [-S ksh | csh] [-t timeout] [-T] [-X environment variables] [--devicetype type_of_device] [-v] [-z]\n";
+      "      [-s] [-S ksh | csh] [-t timeout] [-T] [-X environment variables] [-v] [-z]\n";
     my $usagemsg6 = "      [command_list]\n";
     my $usagemsg7 =
       "Note:Context always defaults to XCAT unless -C flag is set.";
diff --git a/xCAT-client/pods/man1/xdsh.1.pod b/xCAT-client/pods/man1/xdsh.1.pod
index 24fede352..61e39c922 100644
--- a/xCAT-client/pods/man1/xdsh.1.pod
+++ b/xCAT-client/pods/man1/xdsh.1.pod
@@ -4,10 +4,10 @@ B<xdsh> - Concurrently runs commands on multiple nodes.
 
 =head1 B<SYNOPSIS>
 
-B<xdsh> I<noderange> [B<-B> I<bypass>] [B<-C> I<context>] [B<-e>] [B<-E> I<environment_file>]  [B<-f> I<fanout>]
+B<xdsh> I<noderange> [B<-B> I<bypass>] [B<-C> I<context>] [B<--devicetype> I<type_of_device>] [B<-e>] [B<-E> I<environment_file>]  [B<-f> I<fanout>]
 [B<-K>]  [B<-L>]  [B<-l>  I<userID>]   [B<-m>]   [B<-o>
 I<node_options>] [B<-Q>] [B<-r> I<node_remote_shell>] [B<-s>] [B<-S> B<csh>|B<ksh>] [B<-t> I<timeout>]
-[B<-T>] [B<-v>] [B<-X> I<env_list>] [B<--devicetype> I<type of device>] [B<-z>] I<command_list>
+[B<-T>] [B<-v>] [B<-X> I<env_list>] [B<-z>] I<command_list>
 
 B<xdsh> [B<-i> I<image path>] I<command_list>
 
@@ -223,6 +223,15 @@ executing the  I<command_list>.  The  B<DSH_NODE_RCP>  and  environment
 variables  specify the remote copy command to use to export
 the file to node targets.
 
+=item B<--devicetype> I<type_of_device>
+
+Specify a user-defined device type that references the location
+of relevant device configuration file. The devicetype value must
+correspond to a valid device configuration file under the /var/opt/xcat/
+directory.
+For example, /var/opt/xcat/IBSwitch/Qlogic/config is the configuration
+file location if devicetype is specified as IBSwitch::Qlogic
+
 =item B<-f>|B<--fanout> I<fanout_value>
 
 Specifies a fanout value for the maximum number of  concur-
@@ -239,6 +248,11 @@ Displays usage information.
 Set  up  the  SSH  keys  for the specified node list.
 Currently, this must be run on the management node (not  on  a
 remote  client), because it forces itself into bypass mode.
+Other device types, such as IB switch, are also supported.  The
+device should be defined as a node and nodetype should be defined 
+as switch before connecting.
+Specify the user name from [-l username] option with [-K] option
+if the default user name is not "root" when setup SSH keys.
 
 =item B<-l>|B<--user> I<user_ID>
 
@@ -344,10 +358,6 @@ This option is useful when running B<xdsh> from within other
 scripts when you don't want the user's environment affecting
 the behavior of xdsh.
 
-=item B<--devicetype> I<type of device>
-
-Specify a user-defined device type that references the location of relevant device configuration file. The devicetype value must correspond to a valid device configuration file under the /var/opt/csm/ directory. For example, the /var/opt/csm/IBSwitch/Qlogic/config file is the location if devicetype is specified ¡°IBSwitch::Qlogic¡±
-
 =item B<-z>|B<--exit-status>
 
 Displays the exit status for  the  last  remotely  executed
@@ -460,6 +470,16 @@ userdefined.
 
 =over 3
 
+=item *
+
+To define the IB switch as node and set  up  the  SSH  keys  for IB switch 
+B<qswitch> with device configuration file
+B</var/opt/xcat/IBSwitch/Qlogic/config> and user name B<username>, Enter
+
+B<chdef> I<-t node -o qswitch groups=all nodetype=switch>
+B<xdsh> I<qswitch -K -l username --devicetype IBSwitch::Qlogic>
+
+
 =item *
 
 To run the B<ps> command on node targets B<node1> and B<node2>, enter: