dhcpd on Solaris 10

Jeff Wieland wieland at purdue.edu
Sun Apr 26 13:45:13 UTC 2009


Just curious -- you way that this server has 4 network interfaces --
are they each on different networks, or perhaps are you using IP
Multipathing?  I've never run dhcpd on a Solaris box with IPMP.

Glenn Satchell wrote:
> Hmm, interesting. I have Solaris 10 update 6 on sparc 64 bit (Ultra 10,
> cough), and my clients all seem to work fine when the siaddr is zero.
> I'm only running 3.1.1 atm, but will upgrade to 3.1.2 to see what I
> get. I only have 32 bit x86, but I can also try one of those as the
> server.
> 
> regards,
> -glenn
> 
>> Date: Sun, 26 Apr 2009 09:30:40 +0200
>> Subject: Re: dhcpd on Solaris 10
>> From: Jason Penton <jason.penton at gmail.com>
>> To: Users of ISC DHCP <dhcp-users at lists.isc.org>
>> X-BeenThere: dhcp-users at lists.isc.org
>> X-MIME-Autoconverted: from quoted-printable to 8bit by mail.uniq.com.au id 
> n3Q7VYcl021419
>> Hi Glen, *
>>
>> Solaris x86 64-bit.
>>
>> Solaris and linux boxes running same version of dhcpd (tested 3.1.2
>> and 4), same config, and same network segment! Also, made sure that
>> exactly the same requests were coming in from the clients. I have
>> eliminated all the 'variables' and at this stage im only left with the
>> OS. Seems Solaris 10 update 6 is doing something strange.
>>
>>
>> Cheers
>> JAson
>>
>> On Sun, Apr 26, 2009 at 7:49 AM, Glenn Satchell
>> <Glenn.Satchell at uniq.com.au> wrote:
>>> Hi Jason
>>>
>>> Are you using Solaris 10 on Sparc or x86? 64 or 32 bit?
>>>
>>> regards,
>>> -glenn
>>>
>>>> Date: Sun, 26 Apr 2009 12:33:51 +1000 (EST)
>>>> From: Glenn Satchell <Glenn.Satchell at uniq.com.au>
>>>>
>>>> You can fill in the siaddr using:
>>>>
>>>>  next-server a.b.c.d;
>>>>
>>>> in an appropriate scope.
>>>>
>>>> What version(s) of dhcpd is running on your linux box? What version are
>>>> you testing with on the Solaris box?
>>>>
>>>> Are there any other options set or not set in the packets you sniff?
>>>>
>>>> Is the Linux box on the same segment as the Solaris dhcp server?
>>>>
>>>> siaddr is not required to be set to get an IP address. I have Windows
>>>> XP, 98, Linux and Solaris clients all working with a 0.0.0.0 siaddr.
>>>>
>>>> regards,
>>>> -glenn
>>>>
>>>> PS Note to everyone, please reply only to the list, I do not need to
>>>> see the message twice.
>>>>
>>>>> Date: Sat, 25 Apr 2009 18:54:08 +0200
>>>>> Subject: Re: dhcpd on Solaris 10
>>>>> From: Jason Penton <jason.penton at gmail.com>
>>>>> To: Users of ISC DHCP <dhcp-users at lists.isc.org>
>>>>> Cc: Glenn Satchell <Glenn.Satchell at uniq.com.au>
>>>>>
>>>>> Hi Alan
>>>>>
>>>>> So why is it that when a client receives an OFFER with a zeroed
>>>>> siaddr, it never sends out the DHCP REQUEST (as if it was unhappy with
>>>>> the OFFER). I tested with Windows, linux and solaris clients??????? On
>>>>> a linux box, the EXACT same code with the EXACT same config (i.e. no
>>>>> next-server setting) the siaddr is set to the ip address of the DHCP
>>>>> server????
>>>>>
>>>>> Cheers
>>>>> Jason
>>>>>
>>>>> On Sat, Apr 25, 2009 at 6:39 PM,  <A.L.M.Buxey at lboro.ac.uk> wrote:
>>>>>> Hi,
>>>>>>
>>>>>>> I'd imagine that on other OS's (linux) the siaddr is set
>>>>>>> automatically. Seems that on Solaris 10 update 6, it does not.
>>>>>> to quote the post 3.0.2 changelog
>>>>>>
>>>>>> The siaddr field was being improperly set to the server-identifier when
>>>> responding to DHCP messages. RFC2131 clarified the siaddr field as meaning 
> the
>>>> 'next server in the bootstrap process', eg a tftp server. The siaddr field is
>>>> now left zeroed unless next-server is configured.
>>>>>>
>>>>>> alan
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>>>>>> https://lists.isc.org/mailman/listinfo/dhcp-users
>>>>>>
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> 
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-- 
           Jeff Wieland            |         Purdue University
    Network Systems Administrator  |        ITN&S Data Networks
        Voice: (765)496-8234       |        501 Harrison Street
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