diff --git a/perl-xCAT/xCAT/NetworkUtils.pm b/perl-xCAT/xCAT/NetworkUtils.pm
index f1a7f9274..a7cbc7865 100755
--- a/perl-xCAT/xCAT/NetworkUtils.pm
+++ b/perl-xCAT/xCAT/NetworkUtils.pm
@@ -18,6 +18,7 @@ use POSIX qw(ceil);
 use File::Path;
 use Math::BigInt;
 use Socket;
+use xCAT::GlobalDef;
 use strict;
 use warnings "all";
 my $socket6support = eval { require Socket6 };
@@ -1972,4 +1973,44 @@ sub get_hdwr_ip
 
     return $ip;
 }
+
+#--------------------------------------------------------------------------------
+=head3    pingNodeStatus
+      This function takes an array of nodes and returns their status using fping.
+    Arguments:
+       nodes-- an array of nodes.
+    Returns:
+       a hash that has the node status. The format is: 
+          {alive=>[node1, node3,...], unreachable=>[node4, node2...]}
+=cut
+#--------------------------------------------------------------------------------
+sub pingNodeStatus {
+  my ($class, @mon_nodes)=@_;
+  my %status=();
+  my @active_nodes=();
+  my @inactive_nodes=();
+  if ((@mon_nodes)&& (@mon_nodes > 0)) {
+    #get all the active nodes
+    my $nodes= join(' ', @mon_nodes);
+    my $temp=`fping -a $nodes 2> /dev/null`;
+    chomp($temp);
+    @active_nodes=split(/\n/, $temp);
+
+    #get all the inactive nodes by substracting the active nodes from all.
+    my %temp2;
+    if ((@active_nodes) && ( @active_nodes > 0)) {
+      foreach(@active_nodes) { $temp2{$_}=1};
+        foreach(@mon_nodes) {
+          if (!$temp2{$_}) { push(@inactive_nodes, $_);}
+        }
+    }
+    else {@inactive_nodes=@mon_nodes;}     
+  }
+
+  $status{$::STATUS_ACTIVE}=\@active_nodes;
+  $status{$::STATUS_INACTIVE}=\@inactive_nodes;
+ 
+  return %status;
+}
+
 1;
diff --git a/perl-xCAT/xCAT/Utils.pm b/perl-xCAT/xCAT/Utils.pm
index 354e4b0da..ecf2fd8b0 100644
--- a/perl-xCAT/xCAT/Utils.pm
+++ b/perl-xCAT/xCAT/Utils.pm
@@ -33,7 +33,7 @@ eval {
 };
 use warnings "all";
 require xCAT::InstUtils;
-require xCAT::NetworkUtils;
+#require xCAT::NetworkUtils;
 require xCAT::Schema;
 #require Data::Dumper;
 require xCAT::NodeRange;
@@ -94,7 +94,7 @@ our @EXPORT_OK = qw(genpassword runcmd3);
 # xCAT::Utils::getNodeIPaddress ====> xCAT::NetworkUtils::getNodeIPaddress
 # xCAT::Utils->thishostisnot ====> xCAT::NetworkUtils->thishostisnot
 # xCAT::Utils->gethost_ips ====> xCAT::NetworkUtils->gethost_ips
-# xCAT::Utils::get_subnet_aix ===> xCAT::NetworkUtils::get_subnet_aix
+# xCAT::Utils::get_subnet_aix ====> xCAT::NetworkUtils::get_subnet_aix
 # xCAT::Utils->determinehostname ====> xCAT::NetworkUtils->determinehostname
 # xCAT::Utils::toIP ====> xCAT::NetworkUtils::toIP
 # xCAT::Utils->validate_ip ====> xCAT::NetworkUtils->validate_ip
@@ -102,7 +102,7 @@ our @EXPORT_OK = qw(genpassword runcmd3);
 # xCAT::Utils->isIpaddr ====> xCAT::NetworkUtils->isIpaddr
 # xCAT::Utils::getNodeNetworkCfg ====> xCAT::NetworkUtils::getNodeNetworkCfg
 # xCAT::Utils::get_hdwr_ip ====> xCAT::NetworkUtils::get_hdwr_ip
-
+# xCAT::Utils->pingNodeStatus ====> xCAT::NetworkUtils->pingNodeStatus
 
 
 #--------------------------------------------------------------------------------
@@ -2914,44 +2914,6 @@ sub isSELINUX
 #-------------------------------------------------------------------------------
 
 
-#--------------------------------------------------------------------------------
-=head3    pingNodeStatus
-      This function takes an array of nodes and returns their status using fping.
-    Arguments:
-       nodes-- an array of nodes.
-    Returns:
-       a hash that has the node status. The format is: 
-          {alive=>[node1, node3,...], unreachable=>[node4, node2...]}
-=cut
-#--------------------------------------------------------------------------------
-sub pingNodeStatus {
-  my ($class, @mon_nodes)=@_;
-  my %status=();
-  my @active_nodes=();
-  my @inactive_nodes=();
-  if ((@mon_nodes)&& (@mon_nodes > 0)) {
-    #get all the active nodes
-    my $nodes= join(' ', @mon_nodes);
-    my $temp=`fping -a $nodes 2> /dev/null`;
-    chomp($temp);
-    @active_nodes=split(/\n/, $temp);
-
-    #get all the inactive nodes by substracting the active nodes from all.
-    my %temp2;
-    if ((@active_nodes) && ( @active_nodes > 0)) {
-      foreach(@active_nodes) { $temp2{$_}=1};
-        foreach(@mon_nodes) {
-          if (!$temp2{$_}) { push(@inactive_nodes, $_);}
-        }
-    }
-    else {@inactive_nodes=@mon_nodes;}     
-  }
-
-  $status{$::STATUS_ACTIVE}=\@active_nodes;
-  $status{$::STATUS_INACTIVE}=\@inactive_nodes;
- 
-  return %status;
-}
 #-------------------------------------------------------------------------------
 
 =head3   noderangecontainsMN 
diff --git a/xCAT-rmc/scripts/logeventtoxcat b/xCAT-rmc/scripts/logeventtoxcat
index 2c7216e4a..592119f14 100755
--- a/xCAT-rmc/scripts/logeventtoxcat
+++ b/xCAT-rmc/scripts/logeventtoxcat
@@ -13,6 +13,7 @@ use strict;
 use Getopt::Std;
 use POSIX qw(strftime);
 use xCAT::Utils;
+use xCAT::TableUtils;
 use xCAT::MsgUtils;
 use IO::File;
 
@@ -97,7 +98,7 @@ if (!$batch) { #handle single event
     }
 }    
 
-my ($rc, $msg)=xCAT::Utils->logEventsToDatabase(\@a);
+my ($rc, $msg)=xCAT::TableUtils->logEventsToDatabase(\@a);
 if ($rc) {
    xCAT::MsgUtils->message('S', "logeventtoxcat:$msg. The condition is $condname. The response is $respname.\n");
 }
diff --git a/xCAT-server/lib/xcat/monitoring/nagiosmon.pm b/xCAT-server/lib/xcat/monitoring/nagiosmon.pm
index c2452f792..24ded6ddd 100644
--- a/xCAT-server/lib/xcat/monitoring/nagiosmon.pm
+++ b/xCAT-server/lib/xcat/monitoring/nagiosmon.pm
@@ -16,6 +16,7 @@ use xCAT_monitoring::monitorctrl;
 use xCAT::MsgUtils;
 use xCAT::DBobjUtils;
 use xCAT::TableUtils;
+use xCAT::NetworkUtils;
 use Data::Dumper;
 1;
 
@@ -78,7 +79,7 @@ sub start {
     my $inactive_nodes=[];
     if (($scope) && ($noderef)) {
 	my @mon_nodes=@$noderef;
-	my %nodes_status=xCAT::Utils->pingNodeStatus(@mon_nodes); 
+	my %nodes_status=xCAT::NetworkUtils->pingNodeStatus(@mon_nodes); 
 	$inactive_nodes=$nodes_status{$::STATUS_INACTIVE};
 	if (@$inactive_nodes>0) { 
 	    my $error="The following nodes cannot have nrpe started because they are inactive:\n  @$inactive_nodes.";
@@ -141,7 +142,7 @@ sub stop {
     #go to nodes to start nrpe
     if (($scope) && ($noderef)) {
 	my @mon_nodes=@$noderef;
-	my %nodes_status=xCAT::Utils->pingNodeStatus(@mon_nodes); 
+	my %nodes_status=xCAT::NetworkUtils->pingNodeStatus(@mon_nodes); 
 
 	my $active_nodes=$nodes_status{$::STATUS_ACTIVE};
 	if (@$active_nodes > 0) {
@@ -706,7 +707,7 @@ cfg_file=/etc/nagios/objects/mychildren.cfg
     my $inactive_nodes=[];
     if ($scope) { 
 	#print "Configuring the nodes.\n";
-	my %nodes_status=xCAT::Utils->pingNodeStatus(@mon_nodes); 
+	my %nodes_status=xCAT::NetworkUtils->pingNodeStatus(@mon_nodes); 
 	$inactive_nodes=$nodes_status{$::STATUS_INACTIVE};
 	if (@$inactive_nodes>0) { 
 	    my $error="The following nodes cannot be configured because they are inactive:\n  @$inactive_nodes.";
diff --git a/xCAT-server/lib/xcat/plugins/aixinstall.pm b/xCAT-server/lib/xcat/plugins/aixinstall.pm
index 8343e88b8..e36b2ee7f 100644
--- a/xCAT-server/lib/xcat/plugins/aixinstall.pm
+++ b/xCAT-server/lib/xcat/plugins/aixinstall.pm
@@ -6897,7 +6897,7 @@ sub updatespot
 
 		# if this has a shared_root resource then
 		#   it might need statelite setup
-		my $sharedinstall=xCAT::Utils->get_site_attribute('sharedinstall');
+		my $sharedinstall=xCAT::TableUtils->get_site_attribute('sharedinstall');
 		chomp $sharedinstall;
 		if ( $sharedinstall eq "sns" ) {
 			my $rc=xCAT::InstUtils->dolitesetup($image, \%imghash, \@nodelist, $callback, $subreq);