[Dnsmasq-discuss] dhcp-proxy and mac address

Cristiano Cumer ccumer at inf.unibz.it
Sun Aug 1 22:19:56 BST 2010


On Aug 1, 2010, at 10:45 PM, Simon Kelley wrote:

> Cristiano Cumer wrote:
>> So,
>> I have tried this config
>> dhcp-range=tag:linux,10.10.144.0,proxy,255.255.240.0
>> dhcp-range=10.10.160.0,proxy,255.255.240.0
>> #dhcp-range=10.10.112.21,proxy,255.255.240.0
>> pxe-prompt=tag:linux,"Press F8 for boot menu", 6
>> pxe-service=tag:linux,x86PC,"netinstall",pxelinux,10.10.20.7
>> dhcp-hostsfile=/etc/netboot/linux.conf
>> log-dhcp
>> but dnsmasq always replies with a PXE packet even if the mac address is unknown.
>> Jul 28 19:56:52 sdcuti01 dnsmasq-dhcp[4697]: 147059528 available DHCP subnet: 10.10.144.0/255.255.240.0
>> Jul 28 19:56:52 sdcuti01 dnsmasq-dhcp[4697]: 147059528 vendor class: PXEClient:Arch:00000:UNDI:002001
>> Jul 28 19:56:52 sdcuti01 dnsmasq-dhcp[4697]: 147059528 PXE(eth0) 18:a9:05:c3:f3:48 proxy
>> Jul 28 19:56:52 sdcuti01 dnsmasq-dhcp[4697]: 147059528 tags: eth0
>> Jul 28 19:56:52 sdcuti01 dnsmasq-dhcp[4697]: 147059528 broadcast response
>> Jul 28 19:56:52 sdcuti01 dnsmasq-dhcp[4697]: 147059528 sent size:  1 option: 53:message-type  02
>> Jul 28 19:56:52 sdcuti01 dnsmasq-dhcp[4697]: 147059528 sent size:  4 option: 54:server-identifier  10.7.20.21
>> Jul 28 19:56:52 sdcuti01 dnsmasq-dhcp[4697]: 147059528 sent size:  9 option: 60:vendor-class  50:58:45:43:6c:69:65:6e:74
>> Jul 28 19:56:52 sdcuti01 dnsmasq-dhcp[4697]: 147059528 sent size: 17 option: 97:client-machine-id  00:78:e6:3b:4e:27:65:df:11:bb:da:05:c3...
>> Jul 28 19:56:52 sdcuti01 dnsmasq-dhcp[4697]: 147059528 sent size: 10 option: 43:vendor-encap  06:01:08:0a:04:00:50:58:45:ff
>> Jul 28 19:57:00 sdcuti01 dnsmasq-dhcp[4697]: 147059528 available DHCP subnet: 10.10.144.0/255.255.240.0
>> Jul 28 19:57:00 sdcuti01 dnsmasq-dhcp[4697]: 147059528 vendor class: PXEClient:Arch:00000:UNDI:002001
>> in this case then the machine boots form the hd as it can't find/use a tftp server.
>> It works as expected if I add dhcp-ignore=#known to the config but this is not what I want.
>> C.
>> On Jul 28, 2010, at 2:12 AM, Cristiano Cumer wrote:
> 
> Looks like a bug. I'll work on fixing it, but it may take a week or so, I'm away from home at the moment with only a netbook to work on.
> 
> 
> Cheers,
> 
> Simon.

Thank you very much!

Cristiano


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