carsten’s blog

Vor einiger Zeit habe ich eine DHCP Konfiguration für XEN VMs benötigt um diese per PXE installieren zu können. Die im Beispiel angegebenen IP Adressen sind in meiner tatsächlichen Konfiguration anders, der rest ist identisch.

# dhcp config for xen & vmware virtual machines (with pxelinux support)
default-lease-time 600;
max-lease-time 7200;

ddns-update-style none; ddns-updates off;
authoritative;
log-facility local7;

allow booting;
allow bootp;

class “xensource” {
match if (substring(hardware,1,3)=00:16:3e);
}
class “vmware” {
match if (
(substring(hardware,1,3)=00:0c:29) or
(substring(hardware,1,3)=00:05:69) or
(substring(hardware,1,3)=00:1c:14) or
(substring(hardware,1,3)=00:50:56)
);
}
class “virtualbox” {
match if (substring(hardware,1,3)=08:00:27);
}
subnet 10.72.0.0 netmask 255.255.255.0 {
pool {
allow members of “xensource”;
allow members of “vmware”;
allow members of “virtualbox”;
range 10.72.0.100 10.72.0.254;
}
option broadcast-address 10.72.0.255;
option domain-name “vms.domain.tld”;
option routers 10.72.0.1;
option domain-name-servers 10.72.0.2, 10.72.0.3;
option tftp-server-name “10.72.0.5”;
next-server 10.72.0.5;
filename “/pxelinux.0”;
}