PXE Config in DHCP

pre-boot architecture type

In the rfc4578 there are following type requested: 

Type   Architecture Name
----   -----------------
  0    Intel x86PC
  1    NEC/PC98
  2    EFI Itanium
  3    DEC Alpha
  4    Arc x86
  5    Intel Lean Client
  6    EFI IA32
  7    EFI BC
  8    EFI Xscale
  9    EFI x86-64

dhcpd.conf

use-host-decl-names on;
ddns-update-style interim;
ignore client-updates;
next-server 192.168.1.1;
authoritative;
 
subnet 192.168.1.0 netmask 255.255.255.0 {
    option subnet-mask 255.255.255.0;
    range dynamic-bootp 192.168.1.10 192.168.1.254;
    default-lease-time 21600;
    max-lease-time 43200;
    option domain-name-servers 192.168.1.1;
    #option routers x.x.x.x;
 
    class "UEFI-32-1" {
    match if substring(option vendor-class-identifier, 0, 20) = "PXEClient:Arch:00006";
    filename "i386-efi/ipxe.efi";
    }
 
    class "UEFI-32-2" {
    match if substring(option vendor-class-identifier, 0, 20) = "PXEClient:Arch:00002";
     filename "i386-efi/ipxe.efi";
    }
 
    class "UEFI-64-1" {
    match if substring(option vendor-class-identifier, 0, 20) = "PXEClient:Arch:00007";
     filename "ipxe.efi";
    }
 
    class "UEFI-64-2" {
    match if substring(option vendor-class-identifier, 0, 20) = "PXEClient:Arch:00008";
    filename "ipxe.efi";
    }
 
    class "UEFI-64-3" {
    match if substring(option vendor-class-identifier, 0, 20) = "PXEClient:Arch:00009";
     filename "ipxe.efi";
    }
 
    class "Legacy" {
    match if substring(option vendor-class-identifier, 0, 20) = "PXEClient:Arch:00000";
    filename "undionly.kkpxe";
    }
 
}
ddns-update-style interim;

allow booting;
allow bootp;
authoritative;
log-facility local6;

ignore client-updates;
set vendorclass = option vendor-class-identifier;

## Allowing EFI Clients
option pxe-system-type code 93 = unsigned integer 16;
option rfc3442-classless-static-routes code 121 = array of integer 8;
option ms-classless-static-routes code 249 = array of integer 8;

option space pxelinux;
option pxelinux.magic code 208 = string;
option pxelinux.configfile code 209 = text;
option pxelinux.pathprefix code 210 = text;
option pxelinux.reboottime code 211 = unsigned integer 32;
option architecture-type code 93 = unsigned integer 16;

option pxelinux.mtftp-ip    code 1 = ip-address;
option pxelinux.mtftp-cport code 2 = unsigned integer 16;
option pxelinux.mtftp-sport code 3 = unsigned integer 16;
option pxelinux.mtftp-tmout code 4 = unsigned integer 8;
option pxelinux.mtftp-delay code 5 = unsigned integer 8;

subnet 10.100.0.0 netmask 255.255.255.0 {
        interface               br1000;
        option routers          10.100.0.1;
        option domain-name-servers      10.100.0.1, 10.100.0.231;
        option domain-name              "angelsofclockwork.net";
        option subnet-mask              255.255.255.0;
        range           10.100.0.110 10.100.0.199;
        ## EFI Client Catch
        class "pxeclients" {
                match if substring (option vendor-class-identifier, 0, 9) = "PXEClient";
                if option pxe-system-type = 00:07 {
                        filename "boot/grub2/x86_64-efi/core.efi";
                } else if option pxe-system-type = 00:08 {
                        filename "boot/grub2/x86_64-efi/core.efi";
                } else if option pxe-system-type = 00:09 {
                        filename "boot/grub2/x86_64-efi/core.efi";
                } else if option pxe-system-type = 00:0a {
                        filename "boot/grub2/armv7a-efi/core.efi";
                } else if option pxe-system-type = 00:0b {
                        filename "boot/grub2/aarch64-efi/core.efi";
                } else {
                        filename "boot/grub2/i386-pc/core.0";
                }
        }
        default-lease-time      21600;
        max-lease-time  43200;
        next-server     10.100.0.1;
}

Sources



Authors:
  • Jochen Schnürle