diff --git a/xCAT-SoftLayer/bin/modifygrub b/xCAT-SoftLayer/bin/modifygrub
index a2e70caff..2c3566e46 100755
--- a/xCAT-SoftLayer/bin/modifygrub
+++ b/xCAT-SoftLayer/bin/modifygrub
@@ -106,12 +106,13 @@ sub getNodeIpInfo {
 		my @nics = grep(m/\s+master\s+$nic\s+/, @output);
 		if (!scalar(@nics)) { die "Error: can't find the NICs that are part of $nic.\n"; }
 		($realnic) = $nics[0]=~m/^\d+:\s+(\S+): /;
-		# go back thru the ip add show output and find the mac of this nic
-		foreach my $line (@output) {
-			my ($nictmp, $mactmp, $foundnic);
-			if (($nictmp) = $line=~m/^\d+:\s+(\S+): / && $nictmp eq $realnic) { $foundnic = 1; }
-			if (($mactmp) = $line=~m|^\s+link/ether\s+(\S+) | && $foundnic) { $mac = $mactmp; last; }		# got mac, we are done
-		}
+		# do not need to go back thru the ip addr show output and find the mac of this nic because the mac
+		# of the bond nic is the same.  Plus the code below does not work right for some reason anyway.
+		#foreach my $line (@output) {
+		#	my ($nictmp, $mactmp, $foundnic);
+		#	if (($nictmp) = $line=~m/^\d+:\s+(\S+): / && $nictmp eq $realnic) { $foundnic = 1; }
+		#	if (($mactmp) = $line=~m|^\s+link/ether\s+(\S+) | && $foundnic) { $mac = $mactmp; last; }		# got mac, we are done
+		#}
 	}
 
 	# finally, find the gateway
diff --git a/xCAT-SoftLayer/bin/pushinitrd b/xCAT-SoftLayer/bin/pushinitrd
index bcad30198..fe7e88c83 100755
--- a/xCAT-SoftLayer/bin/pushinitrd
+++ b/xCAT-SoftLayer/bin/pushinitrd
@@ -207,7 +207,7 @@ sub modifyAutoinstFiles {
 # Copy softlayer specific systemimager post-install scripts to the systemimager location.
 # These cause si to use static ip and insert a wait into the bring up of the network.
 sub copySyscloneFiles {
-	my $cmd = "cp -f /opt/xcat/share/xcat/sysclone/post-install/* /install/sysclone/scripts/post-install";
+	my $cmd = "cp -f /opt/xcat/share/xcat/sysclone/post-install/16all.updatenetwork /install/sysclone/scripts/post-install";
 	print "Copying SoftLayer-specific post scripts to the SystemImager post-install directory.\n";
 	runcmd($cmd);
 }
diff --git a/xCAT-SoftLayer/postscripts/configbond b/xCAT-SoftLayer/postscripts/configbond
new file mode 100755
index 000000000..0cd4e033d
--- /dev/null
+++ b/xCAT-SoftLayer/postscripts/configbond
@@ -0,0 +1,228 @@
+#!/usr/bin/perl
+
+# xCAT postscript for configuring bonding of nics.
+#  Usage:  configbond bond1 eth1 [eth3]
+#
+# Note: this postscript currently has some assumptions that are specific to the softlayer environment.
+#       It is only used to configure bond1, because bond0 gets configured by the node provisioning process.
+
+use strict;
+# Check number of args
+
+my $nargs = $#ARGV + 1;
+if (scalar(@ARGV) < 2 || scalar(@ARGV) > 3) {
+   system("logger -t xcat -p local4.err  'Usage: configbond bond dev0 [dev1]'");
+   exit 1;
+}
+
+my $bond = shift(@ARGV);
+my $nic = $ARGV[0];  
+my @devs = ();
+push(@devs,$ARGV[0]);
+if (defined($ARGV[1])) { push(@devs,$ARGV[1]); }
+my $nicips = $ENV{NICIPS};
+my $nicnetworks = $ENV{NICNETWORKS};
+my $net_cnt = $ENV{NETWORKS_LINES};
+
+#todo: these are specific to softlayer.  They should be another attribute or argument
+my $bondingopts = 'mode=4 miimon=100 downdelay=0 updelay=0 lacp_rate=fast xmit_hash_policy=1';
+
+my $netmask ='';
+my $ipaddr = '';
+my $nic_num = '';
+my $subnet = '';
+my $nic_net = '';
+my $net_name = '';
+my @nic_nets = (); # array of networks for this nic
+my @nic_ips =();   # array of ipaddresses for this nic
+my @networks = (); # array of all networks from networks table.
+                   # { network_name, subnet, netmask }
+
+system("logger -t xcat -p local4.err  'configbond: Master: $bond'");
+system("logger -t xcat -p local4.err  'configbond: Slaves: @devs'");
+#system("logger -t xcat -p local4.err  'configbond: NIC:           $nic'");
+system("logger -t xcat -p local4.err  'configbond: NICNETWORKS:   $nicnetworks'");
+system("logger -t xcat -p local4.err  'configbond: NICIPS:        $nicips'");
+
+# Update modprobe
+my $file = "/etc/modprobe.d/$bond.conf";
+if (!open(FILE, ">$file")) { system("logger -t xcat -p local4.err 'configbond: cannot open $file.'"); exit 1; }
+
+print FILE "alias $bond bonding\n";
+# the bonding options are put in the ifcfg file instead
+#print FILE "options $bond mode=balance-rr miimon=100\n";
+close FILE;
+
+# create array of network info. Needed in case where there are 
+# more than one ip address per nic and shouldn't be many networks.
+my $net_info;
+my $cnt = 1;
+
+while ( $cnt <= $net_cnt ) {
+    $net_info = $ENV{"NETWORKS_LINE$cnt"};
+    $net_info =~ /^netname=([^\|]*)\|\|/; 
+    $net_name = $1;
+    $net_info =~ /net=([^\|]*)\|\|/;
+    $subnet = $1;
+    $net_info =~ /mask=([^\|]*)\|\|/;
+    $netmask = $1;
+    push @{ $networks[$cnt-1] }, ($net_name, $subnet, $netmask);
+    $cnt +=1; 
+}
+
+# get network or networks for this nic from NICNETWORKS: 
+# eth0:1_0_0_0-255_255_0_0|network2,eth1:1_1_0_0
+# create array of networks for this nic
+foreach my $nic_networks (split(/,/,$nicnetworks)) {
+    my @net = ();
+    if ( $nic_networks =~ /!/ ) {
+        @net = split(/!/,$nic_networks);
+    } else {
+        @net = split(/:/,$nic_networks);
+    }
+    if ($net[0] eq $nic) {
+        @nic_nets = split(/\|/,$net[1]);
+        last;
+    }
+}
+
+# get all nic ipaddress from $nicips: i.e. eth0:1.0.0.1|2.0.0.1,eth1:1.1.1.1
+# Then get all ips for this specific nic, i.e. eth0.
+foreach my $ips (split(/,/,$nicips)) {
+    my @ip = ();
+    if ( $ips =~ /!/ ) {
+        @ip = split(/!/,$ips);
+    } else {
+        @ip = split(/:/,$ips);
+    }
+    if ($ip[0] eq $nic ) {
+        @nic_ips = split(/\|/,$ip[1]);
+    }
+}
+
+
+my $i;
+for ($i=0; $i < (scalar @nic_ips) ; $i++ ) {
+
+    # Time to create the interfaces.
+    # loop through the nic networks, find the matching networks to get the
+    # subnet and netmask and then create the appropriate ifcfg file for linux
+    my $specific_nic = $nic;
+    if ($i > 0) {
+       $specific_nic = $nic . ":" . ($i);
+    }
+
+    #todo: support case in which nicnetworks is not specified, find the correct network by calculation
+    $cnt = 0;
+    $subnet = "";
+    $netmask = "";
+    $net_name = "";
+    while ( $cnt < $net_cnt ) {
+        if ( $networks[$cnt][0] eq $nic_nets[$i] ) {
+        
+            $subnet = $networks[$cnt][1];
+            $netmask = $networks[$cnt][2];
+            $cnt = $net_cnt; # found match - get out.
+        } 
+        else {
+            $cnt++; 
+        }
+    }
+
+    # check that there is a subnet and netmask set
+    if ( !(length($subnet) > 0) || !(length($netmask) > 0) ) {
+        system("logger -t xcat -p local4.err  'configbond: network subnet or netmask not set.'");
+        exit 1;
+    }
+        system("logger -t xcat -p local4.err  'configbond: network subnet and netmask: $subnet, $netmask'");
+        system("logger -t xcat -p local4.err  'configbond: $specific_nic, $nic_ips[$i]'");
+
+    # Write the master info to the ifcfg file
+    if (-d "/etc/sysconfig/network-scripts") {
+        # rhel/centos/fedora
+        my $dir = "/etc/sysconfig/network-scripts";
+        if (!open(FILE, ">$dir/ifcfg-$bond")) { system("logger -t xcat -p local4.err 'configbond: cannot open $dir/ifcfg-$bond.'"); exit 1; }
+
+        print FILE "DEVICE=$bond\n";
+        print FILE "BOOTPROTO=none\n";
+        print FILE "IPADDR=$nic_ips[$i]\n";
+        print FILE "NETMASK=$netmask\n";
+        print FILE "ONBOOT=yes\n";
+        print FILE "USERCTL=no\n";
+        print FILE qq(BONDING_OPTS="$bondingopts"\n);
+        close FILE;
+
+        # Configure slaves
+        foreach my $dev (@devs) {
+            system("logger -t xcat -p local4.err  'configbond: slave dev: $dev'");
+            if (!open(FILE, ">$dir/ifcfg-$dev")) { system("logger -t xcat -p local4.err 'configbond: cannot open $dir/ifcfg-$dev'"); exit 1; }
+            print FILE "DEVICE=$dev\n";
+            print FILE "BOOTPROTO=none\n";
+            print FILE "MASTER=$bond\n";
+            print FILE "ONBOOT=yes\n";
+            print FILE "SLAVE=yes\n";
+            print FILE "USERCTL=no\n";
+            close FILE;
+        }
+        }
+    elsif (-d "/etc/sysconfig/network") {
+        # sles
+        my $dir = "/etc/sysconfig/network";
+        if (!open(FILE, ">$dir/ifcfg-$bond")) { system("logger -t xcat -p local4.err 'configbond: cannot open $dir/ifcfg-$bond.'"); exit 1; }
+
+        print FILE "BOOTPROTO=static\n";
+        print FILE "BONDING_MASTER=yes\n";
+        print FILE "BONDING_MODULE_OPTS='$bondingopts'\n";
+        print FILE "NAME='Bonded Interface'\n";
+        print FILE "IPADDR=$nic_ips[$i]\n";
+        print FILE "NETMASK=$netmask\n";
+        print FILE "STARTMODE=onboot\n";
+        print FILE "USERCONTROL=no\n";
+        my $devnum = 0;
+        foreach my $dev (@devs) {
+            print FILE "BONDING_SLAVE_$devnum=$dev\n";
+            $devnum++;
+        }
+        close FILE;
+
+        # Configure slaves
+        foreach my $dev (@devs) {
+            system("logger -t xcat -p local4.err  'configbond: slave dev: $dev'");
+            if (!open(FILE, ">$dir/ifcfg-$dev")) { system("logger -t xcat -p local4.err 'configbond: cannot open $dir/ifcfg-$dev'"); exit 1; }
+            print FILE "BOOTPROTO=none\n";
+            print FILE "STARTMODE=hotplug\n";
+            close FILE;
+        }
+        }
+    else {
+        # do not recognize this distro
+        system("logger -t xcat -p local4.err 'configbond: network directory is not either the Red Hat or SuSE format.'");
+        exit 1;
+    }
+
+    # Apply the changes.  Since we are only doing bond1 right now, lets not restart the whole network
+    # so we dont disrupt the installnic connection.  Instead we just need to bring down the slave nics,
+    # and then bring up the bond nic.
+    #runcmd("service network restart");
+    foreach my $dev (@devs) {
+        runcmd("ifdown $dev");
+    }
+    runcmd("ifdown $bond");     # in case it was already up
+    runcmd("ifup $bond");       # note: this wont reload the bonding kernel module, so we are depending on the provisioning process to already have set the correct bonding options
+    system("logger -t xcat -p local4.info 'configbond: successfully configured $specific_nic.'");
+
+}
+exit 0;
+
+sub runcmd {
+	my $cmd = shift @_;
+	$cmd .= ' 2>&1';
+	my @output = `$cmd`;
+	my $rc = $? >> 8;
+	if ($rc) {
+		system("logger -t xcat -p local4.err 'configeth: command $cmd failed with rc $rc: " . join('',@output) . "'");
+		my $errout= "configeth: command $cmd failed with rc $rc.";
+                `echo $errout`;
+		exit $rc;
+	}
+}
diff --git a/xCAT-SoftLayer/si-post-install/16all.updatenetwork b/xCAT-SoftLayer/si-post-install/16all.updatenetwork
index 2d80690aa..db6830859 100755
--- a/xCAT-SoftLayer/si-post-install/16all.updatenetwork
+++ b/xCAT-SoftLayer/si-post-install/16all.updatenetwork
@@ -1,9 +1,12 @@
 #!/bin/bash
 
-# Configure network settings after SI has installed the OS
+# SI post-install script to configure network settings after SI has installed the OS
+# SI post-install scripts run in a chroot environment of the final OS image
 
 . /tmp/post-install/variables.txt
 
+bondingopts='mode=4 miimon=100 downdelay=0 updelay=0 lacp_rate=fast xmit_hash_policy=1'
+
 # determine if we should be using a static ip or dhcp
 staticIP () {
     # Eventually we should use the SI variable IP_ASSIGNMENT_METHOD below to determine this.
@@ -35,11 +38,13 @@ if [ -n "$rule_file" ];then
 fi
 
 hostname $HOSTNAME
+bond=bond0
 
 device_names=`ifconfig -a | grep -i hwaddr | grep -i 'Ethernet' | grep -v usb| awk '{print $1}'`
 str_cfg_file=''
 if [ -d "/etc/sysconfig/network-scripts/" ];then
     #redhat
+    dir="/etc/sysconfig/network-scripts"
     grep -i HOSTNAME /etc/sysconfig/network
     if [ $? -eq 0 ];then
         sed -i "s/HOSTNAME=.*/HOSTNAME=$HOSTNAME/g" /etc/sysconfig/network
@@ -47,21 +52,44 @@ if [ -d "/etc/sysconfig/network-scripts/" ];then
         echo "HOSTNAME=$HOSTNAME" >> /etc/sysconfig/network
     fi
     if staticIP; then
+        # delete all nic cfg files left over from the golden node
+        for i in $device_names;do
+            rm -f "$dir/ifcfg-$i"
+        done
+
         # set static ip from variables in variables.txt
-        i="$DEVICE"
-        str_cfg_file="/etc/sysconfig/network-scripts/ifcfg-$i"
+        # write ifcfg-bond0.  For now we assume the installnic should be part of bond0,
+        # because in SL i think that is always the case.
+        i="$bond"
+        str_cfg_file="$dir/ifcfg-$i"
         echo "DEVICE=$i" > $str_cfg_file
-        echo "BOOTPROTO=static" >> $str_cfg_file
+        echo "BOOTPROTO=none" >> $str_cfg_file
         echo "ONBOOT=yes" >> $str_cfg_file
+        echo "USERCTL=no" >> $str_cfg_file
+        echo 'BONDING_OPTS="'$bondingopts'"' >> $str_cfg_file
         echo "IPADDR=$IPADDR" >> $str_cfg_file
         echo "NETMASK=$NETMASK" >> $str_cfg_file
         echo "NETWORK=$NETWORK" >> $str_cfg_file
         echo "BROADCAST=$BROADCAST" >> $str_cfg_file
         #todo: add gateway config?  Not sure, because the boot kernels gateway might not be the final OS gateway
+
+        # write ifcfg-eth0
+        i="$DEVICE"
+        str_cfg_file="$dir/ifcfg-$i"
+        echo "DEVICE=$i" > $str_cfg_file
+        echo "BOOTPROTO=none" >> $str_cfg_file
+        echo "MASTER=$bond" >> $str_cfg_file
+        echo "ONBOOT=yes" >> $str_cfg_file
+        echo "SLAVE=yes" >> $str_cfg_file
+        echo "USERCTL=no" >> $str_cfg_file
+
+        # write modprobe alias config
+        str_cfg_file="/etc/modprobe.d/$bond.conf"
+        echo "alias $bond bonding" > $str_cfg_file
     else
         # use dhcp for all nics
         for i in $device_names;do
-            str_cfg_file="/etc/sysconfig/network-scripts/ifcfg-$i"
+            str_cfg_file="$dir/ifcfg-$i"
             echo "DEVICE=$i" > $str_cfg_file
             echo "BOOTPROTO=dhcp" >> $str_cfg_file
             echo "NM_CONTROLLED=yes" >> $str_cfg_file
@@ -70,23 +98,54 @@ if [ -d "/etc/sysconfig/network-scripts/" ];then
     fi
 elif [ -d "/etc/sysconfig/network/" ];then
     #suse
+    dir="/etc/sysconfig/network"
     echo "$HOSTNAME" > /etc/HOSTNAME
     if staticIP; then
+        # delete all nic cfg files left over from the golden node
+        for i in $device_names;do
+            rm -f "$dir/ifcfg-$i"
+        done
+
         # set static ip from variables in variables.txt
-        i="$DEVICE"
-        str_cfg_file="/etc/sysconfig/network/ifcfg-$i"
-        echo "DEVICE=$i" > $str_cfg_file
-        echo "BOOTPROTO=static" >> $str_cfg_file
+        # write ifcfg-bond0.  For now we assume the installnic should be part of bond0,
+        # because in SL i think that is always the case.
+        i="$bond"
+        str_cfg_file="$dir/ifcfg-$i"
+        echo "BOOTPROTO=static" > $str_cfg_file
         echo "STARTMODE=onboot" >> $str_cfg_file
+        echo "BONDING_MASTER=yes" >> $str_cfg_file
+        echo "BONDING_MODULE_OPTS='$bondingopts'" >> $str_cfg_file
+        echo "NAME='Bonded Interface'" >> $str_cfg_file
         echo "IPADDR=$IPADDR" >> $str_cfg_file
         echo "NETMASK=$NETMASK" >> $str_cfg_file
         echo "NETWORK=$NETWORK" >> $str_cfg_file
         echo "BROADCAST=$BROADCAST" >> $str_cfg_file
+        echo "USERCONTROL=no" >> $str_cfg_file
+        echo "BONDING_SLAVE_0=$DEVICE" >> $str_cfg_file
+
+        # write ifcfg-eth0
+        i="$DEVICE"
+        str_cfg_file="$dir/ifcfg-$i"
+        echo "BOOTPROTO=none" > $str_cfg_file
+        echo "STARTMODE=hotplug" >> $str_cfg_file
+
+        # write modprobe alias config
+        str_cfg_file="/etc/modprobe.d/$bond.conf"
+        echo "alias $bond bonding" > $str_cfg_file
+
+        # this was the original config of the eth0 nic (without bonding)
+        #echo "DEVICE=$i" > $str_cfg_file
+        #echo "BOOTPROTO=static" >> $str_cfg_file
+        #echo "STARTMODE=onboot" >> $str_cfg_file
+        #echo "IPADDR=$IPADDR" >> $str_cfg_file
+        #echo "NETMASK=$NETMASK" >> $str_cfg_file
+        #echo "NETWORK=$NETWORK" >> $str_cfg_file
+        #echo "BROADCAST=$BROADCAST" >> $str_cfg_file
         #todo: add gateway config?  Not sure, because the boot kernels gateway might not be the final OS gateway
     else
         # use dhcp for all nics
         for i in $device_names;do
-            str_cfg_file="/etc/sysconfig/network/ifcfg-$i"
+            str_cfg_file="$dir/ifcfg-$i"
             echo "DEVICE=$i" > $str_cfg_file
             echo "BOOTPROTO=dhcp" >> $str_cfg_file
             echo "STARTMODE=onboot" >> $str_cfg_file