problem with dhcp setup

John Jason Brzozowski (CISSP, RHCT) jjmb at jjmb.com
Mon Jun 18 16:20:11 UTC 2007


So if a client requests no options, the ADVERTISE/REPLY will contain no
options at all?

Just because a client does not request options does not absolutely indicate
that the client does not know how to handle the same.

John


On 6/14/07 7:55 AM, "Shane Kerr" <Shane_Kerr at isc.org> wrote:

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> John,
> 
> The server only replies with options in the ORO, with the following
> exceptions:
> 
> CLIENTID, SERVERID (of course)
> IA_NA, IA_TA (we need these to give addresses)
> RAPID_COMMIT (if the client requests rapid commit)
> STATUS_CODE (if there is an error)
> VENDOR_OPTS
> 
> The same logic applies as with DHCP for IPv4: we don't bother sending options
> that the client didn't request, because the client would not know what to do
> with them if we did send them.
> 
> - --
> Shane
> 
> John Jason Brzozowski (CISSP, RHCT) wrote:
>> I assume that the server will reply with other options, if configured, not
>> just those requested in ORO?
>> 
>> 
>> On 6/12/07 5:59 AM, "Sanjib Das" <Sanjib.Das at lntinfotech.com> wrote:
>> 
>>> Please check whether your client is sending request with DNS options for
>>> Server IP address & Domain name....(As per RFC 3646)
>>> 
>>> 
>>> 
>>> 
>>> ______________________________________________________________________
>>> 
>>> 
>> 
>> ===============================================
>> John Jason Brzozowski (CISSP, RHCT)
>> jjmb at jjmb.com
>> (p) 484-994-6787
>> (f) 610-616-4535
>> ===============================================
>> 
>> 
>> 
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===============================================
John Jason Brzozowski (CISSP, RHCT)
jjmb at jjmb.com
(p) 484-994-6787
(f) 610-616-4535
===============================================




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