DHCP and Win7

Tue Feb 26 15:57:47 UTC 2013

I had tested with static. It works. Both cards (in the DHCP server) are
working fine. And also I tried to catch with a sniffer in the network
between Win7 and my DHCP server, and I got nothing :(

2013/2/26 Łukasz Siemiradzki <lukasz.siemiradzki at gmail.com>

> Hello!
> Are you sure that your problem lies on DHCP level? Have you tested the
> connectivity between windows 7 client and the dhcp server using static
> addresses?
> If so and there is connectivity - can you start sniffer (i.e. wireshark)
> on Win7, configure it to listen on an active interface and gather data?
> BR
> ŁS
>
>
> 2013/2/26 Héctor Herrera <hherreraa at gmail.com>
>
>> Well, I assume the trouble here is Win7. But, why? That's my question. I
>> don't understand why Win7 isn't asking the DHCP server for an IP address.
>> (Or maybe is the DHCP server the trouble? I don't really understand it,
>> that's why isn't so clear my question)
>>
>> I'm trying to collect information in the network between my Win7 test
>> machine and the server. The network is dead, I haven't received any
>> information. And I'm renewing all the connections in Win7 (ipconfig /renew).
>>
>> BTW, I tried with both ethernet interfaces for the IP information (I
>> configured the server on eth0 and eth1), without good results. I dunno what
>> else can I do. Do you have any ideas?
>>
>>
>> 2013/2/26 Oskar Berggren <oskar.berggren at gmail.com>
>>
>>> You started with "unable to send IP addresses to Win7" but with your
>>> latest info it seems like the proper question is the reverse: "why
>>> can't win7 send DHCP requests to my DHCP server?".
>>>
>>> Is Win7 configured to use DHCP?
>>> If you use wireshark or tcpdump on Win7 and on the DHCP server, do you
>>> see any DHCPDISCOVER from the Win7 machine?
>>>
>>> /Oskar
>>>
>>>
>>> 2013/2/26 Héctor Herrera <hherreraa at gmail.com>:
>>> > That´s the trouble, I haven't any information about Windows 7 asking
>>> for an
>>> > IP to my server.
>>> >
>>> > This is my dhcpd.conf. It's really basic because I want, first of all,
>>> the
>>> > service working:
>>> >
>>> > option domain-name "galatea.cl";
>>> > option domain-name-servers 8.8.8.8, 200.62.222.222;
>>> > option routers 192.168.1.1;
>>> > default-lease-time 600;
>>> > max-lease-time 7200;
>>> > server-identifier 192.168.1.1;
>>> > #ddns-update-style none;
>>> > authoritative;
>>> > log-facility local7;
>>> >
>>> > subnet 192.168.1.0 netmask 255.255.255.0 {
>>> >         range 192.168.1.15 192.168.1.100;
>>> > }
>>> >
>>> > I have some rules on iptables too:
>>> >
>>> > Generated by iptables-save v1.4.8 on Tue Feb 26 11:48:15 2013
>>> > *nat
>>> > :PREROUTING ACCEPT [4:312]
>>> > :POSTROUTING ACCEPT [0:0]
>>> > :OUTPUT ACCEPT [0:0]
>>> > -A PREROUTING -s 192.168.0.0/24 -p tcp -m tcp --dport 80 -j REDIRECT
>>> > --to-ports 3128
>>> > -A PREROUTING -s 192.168.1.0/24 -p tcp -m tcp --dport 80 -j REDIRECT
>>> > --to-ports 3128
>>> > COMMIT
>>> > # Completed on Tue Feb 26 11:48:15 2013
>>> > # Generated by iptables-save v1.4.8 on Tue Feb 26 11:48:15 2013
>>> > *filter
>>> > :INPUT ACCEPT [27:2066]
>>> > :FORWARD ACCEPT [0:0]
>>> > :OUTPUT ACCEPT [13:1324]
>>> > -A INPUT -i eth1 -p tcp -m state --state NEW -m tcp --dport 3128 -j
>>> ACCEPT
>>> > COMMIT
>>> > # Completed on Tue Feb 26 11:48:15 2013
>>> >
>>> > I don't have any other information. As I said, the logs doesn't show me
>>> > information about Win7. Oh, and Win7 hasn't active the Firewall
>>> Service.
>>> >
>>> >
>>> > 2013/2/26 Steven Carr <sjcarr at gmail.com>
>>> >>
>>> >> Can you see the requests coming in to the DHCP server from the Windows
>>> >> 7 client? and can you also perform a packet capture on the Windows 7
>>> >> machine to see if it is receiving the responses from the DHCP server.
>>> >> If you can upload the logs (sanitised) and the packet capture then I
>>> >> can have a look.
>>> >>
>>> >> Steve
>>> >>
>>> >>
>>> >> On 26 February 2013 13:10, Héctor Herrera <hherreraa at gmail.com>
>>> wrote:
>>> >> > Greetings to all!
>>> >> >
>>> >> > I have an issue with DHCP and Win7. I'm working with Debian 6.0.6,
>>> and
>>> >> > I''m
>>> >> > trying to mount a DHCP server on it (DHCP ver. 4.1.1). But I'm
>>> unable to
>>> >> > send IP addresses to Win7 machines. I tried with other OS
>>> (specifically
>>> >> > Arch
>>> >> > Linux and WinXP), and the server sends IP addresses to them, but
>>> with
>>> >> > Win7... I cannot
>>> >> >
>>> >> > May someone knows how to handle it? And if it so, can someone send
>>> some
>>> >> > information?
>>> >> >
>>> >> > Thanks to all!
>>> >> >
>>> >> > P.D: Sorry about the English, it isn't my first language :P
>>> >> >
>>> >> > --
>>> >> > Saludos
>>> >> >
>>> >> > Héctor Herrera Anabalón
>>> >> > Egresado ICCI UNAP
>>> >> > Servicio Arquitectura Galatea - Oficina Técnica
>>> http://www.galatea.cl
>>> >> > Miembro USoLIX Victoria
>>> >> > Registered User #548600 (LinuxCounter.net)
>>> >> >
>>> >> > _______________________________________________
>>> >> > dhcp-users mailing list
>>> >> > dhcp-users at lists.isc.org
>>> >> > https://lists.isc.org/mailman/listinfo/dhcp-users
>>> >> _______________________________________________
>>> >> dhcp-users mailing list
>>> >> dhcp-users at lists.isc.org
>>> >> https://lists.isc.org/mailman/listinfo/dhcp-users
>>> >
>>> >
>>> >
>>> >
>>> > --
>>> > Saludos
>>> >
>>> > Héctor Herrera Anabalón
>>> > Egresado ICCI UNAP
>>> > Servicio Arquitectura Galatea - Oficina Técnica http://www.galatea.cl
>>> > Miembro USoLIX Victoria
>>> > Registered User #548600 (LinuxCounter.net)
>>> >
>>> > _______________________________________________
>>> > dhcp-users mailing list
>>> > dhcp-users at lists.isc.org
>>> > https://lists.isc.org/mailman/listinfo/dhcp-users
>>> _______________________________________________
>>> dhcp-users mailing list
>>> dhcp-users at lists.isc.org
>>> https://lists.isc.org/mailman/listinfo/dhcp-users
>>>
>>
>>
>>
>> --
>> Saludos
>>
>> *Héctor Herrera Anabalón*
>> Egresado ICCI UNAP
>> Servicio Arquitectura Galatea - Oficina Técnica http://www.galatea.cl
>> Miembro USoLIX Victoria
>> Registered User #548600 (LinuxCounter.net)
>>
>> _______________________________________________
>> dhcp-users mailing list
>> dhcp-users at lists.isc.org
>> https://lists.isc.org/mailman/listinfo/dhcp-users
>>
>
>
>
> --
>
> "Omnes homines natura scire desiderant"
>                                            Aristotelis
>
> _______________________________________________
> dhcp-users mailing list
> dhcp-users at lists.isc.org
> https://lists.isc.org/mailman/listinfo/dhcp-users
>

-- 
Saludos

*Héctor Herrera Anabalón*
Egresado ICCI UNAP
Servicio Arquitectura Galatea - Oficina Técnica http://www.galatea.cl
Miembro USoLIX Victoria
Registered User #548600 (LinuxCounter.net)
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <https://lists.isc.org/pipermail/dhcp-users/attachments/20130226/8db6db24/attachment.html>