[Dnsmasq-discuss] ignoring unknown MACs

Sameer Verma sverma at sfsu.edu
Wed Apr 7 20:51:23 BST 2010


On Wed, Apr 7, 2010 at 12:07 PM, Santiago Zarate <santiago at zarate.net.ve> wrote:
> What does syslog says? can you paste the output (put in the conf: log-dhcp)
>

Syslog:

Apr  7 11:37:36 ubuntu dnsmasq-dhcp[29431]: 3125336197 tags: eth0
Apr  7 11:37:36 ubuntu dnsmasq-dhcp[29431]: 3125336197 bootfile name:
/ltsp/i386/pxelinux.0
Apr  7 11:37:36 ubuntu dnsmasq-dhcp[29431]: 3125336197 sent size:  1
option: 53:message-type  02
Apr  7 11:37:36 ubuntu dnsmasq-dhcp[29431]: 3125336197 sent size:  4
option: 54:server-identifier  130.212.14.68
Apr  7 11:37:36 ubuntu dnsmasq-dhcp[29431]: 3125336197 sent size:  9
option: 60:vendor-class  50:58:45:43:6c:69:65:6e:74
Apr  7 11:37:36 ubuntu dnsmasq-dhcp[29431]: 3125336197 sent size: 17
option: 97:client-machine-id
00:44:45:4c:4c:59:00:10:32:80:43:b1:c0...
Apr  7 11:37:36 ubuntu dnsmasq-dhcp[29431]: 3125336197 sent size: 97
option: 43:vendor-encap  06:01:02:09:3f:80:00:25:42:6f:6f:74:20...
Apr  7 11:37:40 ubuntu dnsmasq-dhcp[29431]: 3125336197 Available DHCP
subnet: 130.212.14.68/255.255.255.0
Apr  7 11:37:40 ubuntu dnsmasq-dhcp[29431]: 3125336197 Vendor class:
PXEClient:Arch:00000:UNDI:002001
Apr  7 11:37:40 ubuntu dnsmasq-dhcp[29431]: 3125336197 PXE(eth0)
00:19:b9:48:d8:85 proxy
Apr  7 11:37:40 ubuntu dnsmasq-dhcp[29431]: 3125336197 tags: eth0
Apr  7 11:37:40 ubuntu dnsmasq-dhcp[29431]: 3125336197 bootfile name:
/ltsp/i386/pxelinux.0
Apr  7 11:37:40 ubuntu dnsmasq-dhcp[29431]: 3125336197 sent size:  1
option: 53:message-type  05
Apr  7 11:37:40 ubuntu dnsmasq-dhcp[29431]: 3125336197 sent size:  4
option: 54:server-identifier  130.212.14.68
Apr  7 11:37:40 ubuntu dnsmasq-dhcp[29431]: 3125336197 sent size:  9
option: 60:vendor-class  50:58:45:43:6c:69:65:6e:74
Apr  7 11:37:40 ubuntu dnsmasq-dhcp[29431]: 3125336197 sent size: 17
option: 97:client-machine-id
00:44:45:4c:4c:59:00:10:32:80:43:b1:c0...
Apr  7 11:37:40 ubuntu dnsmasq-dhcp[29431]: 3125336197 sent size: 97
option: 43:vendor-encap  06:01:02:09:3f:80:00:25:42:6f:6f:74:20...



> 2010/4/7 Sameer Verma <sverma at sfsu.edu>:
>> On Wed, Apr 7, 2010 at 11:35 AM, Sameer Verma <sverma at sfsu.edu> wrote:
>>> I am using dnsmasq in conjunction with LTSP on Ubuntu Karmic. I am
>>> using dhcp proxy to pass along the request to our campus DHCP server.
>>> All works well, except that I am unable to ignore DHCP requests to
>>> unknown MAC addresses. The known MAC addresses are in the config file
>>> as dhcp-host=aa:bb:cc:dd:ee:ff
>>>
>>> Any pointers?
>>>
>>> cheers,
>>> Sameer
>>> --
>>> Dr. Sameer Verma, Ph.D.
>>> Associate Professor, Information Systems
>>> Director, Campus Business Solutions
>>> San Francisco State University
>>> http://verma.sfsu.edu/
>>> http://cbs.sfsu.edu/
>>> http://is.sfsu.edu/
>>>
>>
>> Relevant part of the conf file.
>>
>> dhcp-range=known,130.212.14.68,proxy
>>
>> dhcp-host=00:19:b9:48:cb:34,10.0.0.1,ltsp1,infinite
>>
>> dhcp-ignore=#known
>>
>> _______________________________________________
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>> Dnsmasq-discuss at lists.thekelleys.org.uk
>> http://lists.thekelleys.org.uk/mailman/listinfo/dnsmasq-discuss
>>



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