- option ntp-servers <%= node[:ntp][:servers].first %>;
-
- class "pxeclients" {
- match if substring (option vendor-class-identifier, 0, 9) = "PXEClient";
- next-server <%= interface[:gateway] %>;
-
- if option architecture-type = 00:07 {
- filename "netboot.xyz.efi";
- } else {
- filename "netboot.xyz.kpxe";
- }
+ option ntp-servers <%= node[:ntp][:servers].join(", ") %>;
+
+ option time-offset 0;
+ option PCode "UTC0";
+ option TCode "Etc/UTC";
+
+ next-server <%= interface[:gateway] %>;
+
+ # See https://netboot.xyz/docs/docker/#dhcp-configurations
+ if exists user-class and ( option user-class = "iPXE" ) {
+ filename "http://boot.netboot.xyz/menu.ipxe";
+ } elsif option arch = encode-int ( 16, 16 ) {
+ filename "http://boot.netboot.xyz/ipxe/netboot.xyz.efi";
+ option vendor-class-identifier "HTTPClient";
+ } elsif option arch = 00:07 {
+ filename "netboot.xyz.efi";
+ } else {
+ filename "netboot.xyz-undionly.kpxe";