On Sat, Jun 06, 2020 at 09:06:44PM +0200, Geert Stappers wrote:
> On Sat, Jun 06, 2020 at 07:06:05PM +0200, Geert Stappers wrote:
> > Hi,
> >
> > The plan is that dnsmasq DHCP server hands bootfile information
> > in conjunction with an existing DHCP, a.k.a. proxy-DHCP
> >
> > With dnsmasq fresh compiled from up-to-date git repository
> > works this configuration file:
> >
> > port=0
> > interface=br0
> > bind-interfaces
> > dhcp-range=192.0.2.220,192.0.2.223
> > dhcp-boot=ipxe.pxe
> > enable-tftp
> > tftp-root=/home/stappers/src/ipxe/src/bin
> > log-dhcp
> >
> >
> > Changing 'dhcp-range=' for the wanted proxy-DHCP
> >
> > port=0
> > interface=br0
> > bind-interfaces
> > dhcp-range=192.0.2.0,proxy
> > dhcp-boot=ipxe.pxe
> > enable-tftp
> > tftp-root=/home/stappers/src/ipxe/src/bin
> > log-dhcp
> >
> >
> > Silences the dnsmasq DHCP server. The change closer
> > dhcp-range=192.0.2.220,192.0.2.223
> > dhcp-range=192.0.2.0,proxy
> >
> > With
> > dhcp-range=192.0.2.18,proxy
> > the same effect ...
> >
> >
> > Running dnsmasq --no-daemon shows
> > dnsmasq: started, version 2.81-12-g619000a DNS disabled
> > dnsmasq: compile time options: IPv6 GNU-getopt no-DBus no-UBus no-i18n
> > no-IDN DHCP DHCPv6 no-Lua TFTP no-conntrack ipset auth no-DNSSEC
> > loop-detect inotify dumpfile
> > dnsmasq-dhcp: DHCP, proxy on subnet 192.0.2.0
> > dnsmasq-dhcp: DHCP, sockets bound exclusively to interface br0
> > dnsmasq-tftp: TFTP root is /home/stappers/src/ipxe/src/bin
> > dnsmasq-dhcp: 4014338184 available DHCP subnet: 192.0.2.0/255.255.255.0
> > dnsmasq-dhcp: 4014338184 vendor class: PXEClient:Arch:0:UNDI:002001
> > dnsmasq-dhcp: 4014338184 available DHCP subnet: 192.0.2.0/255.255.255.0
> > dnsmasq-dhcp: 4014338184 vendor class: PXEClient:Arch:0:UNDI:002001
> >
> >
> > Network sniff with `tcpdump -i br0 port bootpc or bootps` on the
> > server, on the destinated proxy-DHCP server, shows the incoming
> > DHCP Discover request and DHCP Offer from existing DHCP server.
> > Not show a reply from the dnsmasq server.
> >
> > The "boot client machine" complains "PXE-53: No boot filename received"
> >
> >
> > What is your proxy-DHCP
> > dhcp-range=192.0.2.0,proxy
> > succes story?
>
> port=0
> interface=br0
> bind-interfaces
> dhcp-range=192.168.0.2.0,proxy
> pxe-service=x86PC, "iPXE", ipxe.pxe
> enable-tftp
> tftp-root=/home/stappers/src/ipxe/src/bin
> log-dhcp
>
>
> Yes indeed, not `dhcp-boot=` but `pxe-service=`
>
> With that knowledge is it possible the read it
> in dnsmasq manual page ...
>
But why to tight relation with PXE?
Groeten
Geert Stappers
--
Silence is hard to parse
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