diff --git a/xCAT-server/lib/xcat/plugins/dhcp.pm b/xCAT-server/lib/xcat/plugins/dhcp.pm
index 09ecb290e..923216048 100644
--- a/xCAT-server/lib/xcat/plugins/dhcp.pm
+++ b/xCAT-server/lib/xcat/plugins/dhcp.pm
@@ -2075,12 +2075,17 @@ sub newconfig
     push @dhcpconf, "option gpxe.bus-id code 177 = string;\n";
     push @dhcpconf, "option user-class-identifier code 77 = string;\n";
     push @dhcpconf, "option gpxe.no-pxedhcp code 176 = unsigned integer 8;\n";
+    push @dhcpconf, "option tcode code 101 = text;\n";
+	
     push @dhcpconf, "option iscsi-initiator-iqn code 203 = string;\n"; #Only via gPXE, not a standard
     push @dhcpconf, "ddns-update-style interim;\n";
     push @dhcpconf, "ignore client-updates;\n"; #Windows clients like to do all caps, very un xCAT-like
 #    push @dhcpconf, "update-static-leases on;\n"; #makedns rendered optional
     push @dhcpconf,
       "option client-architecture code 93 = unsigned integer 16;\n";
+    if ($::XCATSITEVALS{timezone}) {
+    push @dhcpconf, "option tcode \"".$::XCATSITEVALS{timezone}."\";\n";
+    }
     push @dhcpconf, "option gpxe.no-pxedhcp 1;\n";
     push @dhcpconf, "\n";
     push @dhcpconf, "omapi-port 7911;\n";        #Enable omapi...