diff --git a/xCAT-server/lib/xcat/plugins/dhcp.pm b/xCAT-server/lib/xcat/plugins/dhcp.pm
index 1a427824d..a4e2f64b8 100755
--- a/xCAT-server/lib/xcat/plugins/dhcp.pm
+++ b/xCAT-server/lib/xcat/plugins/dhcp.pm
@@ -2418,7 +2418,7 @@ sub addnet
         push @netent, "      filename \"elilo.efi\";\n";
         push @netent,
           "    } else if option client-architecture = 00:0e { #OPAL-v3\n ";
-        push @netent, "      option conf-file = \"http://$tftp/tftpboot/pxelinux.cfg/p/default\";\n";
+        push @netent, "      option conf-file = \"http://$tftp/tftpboot/pxelinux.cfg/p/".$net."_".$maskbits."\";\n";
         push @netent,
           "    } else if substring(filename,0,1) = null { #otherwise, provide yaboot if the client isn't specific\n ";
         push @netent, "      filename \"/yaboot\";\n";
diff --git a/xCAT-server/lib/xcat/plugins/mknb.pm b/xCAT-server/lib/xcat/plugins/mknb.pm
index a8874cf67..f9c3316ba 100644
--- a/xCAT-server/lib/xcat/plugins/mknb.pm
+++ b/xCAT-server/lib/xcat/plugins/mknb.pm
@@ -239,6 +239,14 @@ sub process_request {
 	 close($cfg);
 	}
 	
+      } elsif ($arch =~ /ppc/) {
+         open($cfgfile,">", "$tftpdir/pxelinux.cfg/p/$net");
+         print $cfgfile "default xCAT\n";
+         print $cfgfile "   label xCAT\n";
+         print $cfgfile "   kernel http://".$normnets->{$_}.":80/$tftpdir/xcat/genesis.kernel.$arch\n";
+         print $cfgfile "   initrd http://".$normnets->{$_}.":80/$initrd_file\n";
+         print $cfgfile '   append "quiet xcatd='.$normnets->{$_}.":$xcatdport $consolecmdline\"\n";
+         close($cfgfile);
       }
    }
    $dopxe=0;
@@ -269,7 +277,7 @@ sub process_request {
          print $cfgfile "  APPEND initrd=xcat/nbfs.$arch.gz quiet xcatd=".$hexnets->{$_}.":$xcatdport $consolecmdline\n";
          close($cfgfile);
       } elsif ($arch =~ /ppc/) {
-         open($cfgfile,">", "$tftpdir/pxelinux.cfg/p/default");
+         open($cfgfile,">","$tftpdir/etc/".lc($_));
          print $cfgfile "default xCAT\n";
          print $cfgfile "   label xCAT\n";
          print $cfgfile "   kernel http://".$hexnets->{$_}.":80/$tftpdir/xcat/genesis.kernel.$arch\n";