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====== How to configure dnsmasq for gPXE ====== {{ nic.jpeg?237×222|A network card}} ===== Why DNSMasq ===== * It is small and lightweight * Easy to setup (includes its own tftp server) * It may already be running on your linux-based router :-) ===== Defining the gPXE-specific options ===== Add the following settings to your ///etc/dnsmasq.conf// file: dhcp-boot=pxelinux.0 enable-tftp tftp-root=/var/lib/tftpboot for pxe chaining use this: dhcp-match=gpxe,175 dhcp-boot=net:#gpxe,gpxe.pxe dhcp-boot=pxelinux.0 the '#' above is a 'not', not a comment See: http://www.thekelleys.org.uk/dnsmasq/docs/dnsmasq.conf.example for more information ===== A potential problem and a fix ===== According to this page: http://blog.nella.org/?p=335 <html><blockquote> gPXE wants to find the boot filename in the dedicated slot in the reply packet. dnsmasq does something clever/stupid (I’m not sure which) and puts it someplace else. You have to use the –dhcp-no-override option to dnsmasq to make gPXE see the filename. </blockquote></html>
