diff --git a/xCAT-server/lib/xcat/plugins/anaconda.pm b/xCAT-server/lib/xcat/plugins/anaconda.pm
index 4a0ca4720..f8503a610 100644
--- a/xCAT-server/lib/xcat/plugins/anaconda.pm
+++ b/xCAT-server/lib/xcat/plugins/anaconda.pm
@@ -837,7 +837,7 @@ sub mkinstall
             }
             else
             {
-                $ksdev = "eth0";
+                $ksdev = "bootif"; #if not specified, fall back to bootif
             }
             if ($ksdev eq "")
             {
diff --git a/xCAT-server/lib/xcat/plugins/pxe.pm b/xCAT-server/lib/xcat/plugins/pxe.pm
index 9ca25d440..3184e8ce4 100644
--- a/xCAT-server/lib/xcat/plugins/pxe.pm
+++ b/xCAT-server/lib/xcat/plugins/pxe.pm
@@ -169,6 +169,7 @@ sub setstate {
     } else {
       print $pcfg "\n";
     }
+    print $pcfg "  IPAPPEND 2\n";
     }
     close($pcfg);
     my $inetn = inet_aton($node);
diff --git a/xCAT-server/lib/xcat/plugins/sles.pm b/xCAT-server/lib/xcat/plugins/sles.pm
index f5de1ef3d..ca9cc5a43 100644
--- a/xCAT-server/lib/xcat/plugins/sles.pm
+++ b/xCAT-server/lib/xcat/plugins/sles.pm
@@ -698,7 +698,7 @@ sub mkinstall
                 }
                 else
                 {
-                    $netdev = "eth0";
+                    $netdev = "bootif";
                 }
                 if ($netdev eq "") #why it is blank, no mac defined?
                 {
@@ -709,7 +709,9 @@ sub mkinstall
                         }
                     );
                 }
-                $kcmdline .= " netdevice=" . $netdev;
+                unless ($netdev eq "bootif") { #if going by bootif, BOOTIF will suffice
+                    $kcmdline .= " netdevice=" . $netdev;
+                }
             }
 
             #TODO: driver disk handling should in SLES case be a mod of the install source, nothing to see here
diff --git a/xCAT-server/lib/xcat/plugins/xnba.pm b/xCAT-server/lib/xcat/plugins/xnba.pm
index f28c25e4e..e3f922ecc 100644
--- a/xCAT-server/lib/xcat/plugins/xnba.pm
+++ b/xCAT-server/lib/xcat/plugins/xnba.pm
@@ -198,11 +198,14 @@ sub setstate {
             } else {
               print $pcfg "\n";
             }
+            print $pcfg "IPAPPEND 2\n";
         } else { #other than comboot/multiboot, we won't have need of pxelinux
             print $pcfg "imgfetch -n kernel http://".'${next-server}/tftpboot/'.$kern->{kernel}."\n";
             print $pcfg "imgload kernel\n";
             if ($kern->{kcmdline}) {
-                print $pcfg "imgargs kernel ".$kern->{kcmdline}."\n";
+                print $pcfg "imgargs kernel ".$kern->{kcmdline}." BOOTIF=${netX/mac}\n";
+            } else {
+                print $pcfg "imgargs kernel BOOTIF=${netX/mac}\n";
             }
             if ($kern->{initrd}) {
                 print $pcfg "imgfetch http://".'${next-server}'."/tftpboot/".$kern->{initrd}."\n";