[Dnsmasq-discuss] BOOTP/TFTP config

Simon Kelley simon at thekelleys.org.uk
Fri Apr 20 19:06:01 BST 2007

David Goodenough wrote:
> I am trying to use dnsmasq (on Debian) to do BOOTP and TFTP in order to
> netboot some Microtik RB112 boards.  But I am having some problems.
> I have the board on the other end of a USB ethernet adapter, quite 
> separate from the rest of my network to keep things simple.
> I have configured the usb ethernet adapter to have an address of 
> In a local file I have a stripped down dnsmasq.conf which reads:-
> # Configuration file for dnsmasq to boot rb100
> #
> interface=usb-rb1xx
> dhcp-boot=vmlinux
> dhcp-host=00:05:42:08:*.*,
> enable-tftp
> tftp-root=/var/lib/tftpd/rb1xx
> I then start dnsmasq with the following command:-
> sudo dnsmasq -C dnsmasq.rb100 -d
> But it never replies to the BOOTP request.
> Anyone got any ideas as to how to get this running?

You need to give a DHCP range, even if you only want explicitly 
allocated addresses. The presence of the dhcp-range flag enables the 
DHCP server for a particular subnet.



and it will fly....



> David
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