Re: [dhcwg] "client identifier" in server replies

Since the problem is faced by the clients that apparently have no h/w 
address, sending parameter request list that includes client id should 
work for them.
- Sanjeev.


narasimha.nelakuditi@nokia.com wrote:
> If client-id is stored in h/w addr field, we can't store client-id of more than 16-bytes as you pointed out. 
> If servers check for the validity of h/w type and corresponding h/w length, then one has to pad client-id to next valid length (by the way, is server supposed to validate h/w type and h/w len values?).
> 
> Apart from firewire case, another case in which valid h/w value is not available for clients is if DHCP is used to allocate IP addresses for mobiles. 
>  
> regards,
> swamy.
> 
> 
> 
>>-----Original Message-----
>>From: ext Bud Millwood [mailto:budm@weird-solutions.com]
>>Sent: Thursday, July 10, 2003 8:27 PM
>>To: Nelakuditi Narasimha (NET/Bangalore); mellon@nominum.com
>>Cc: dhcwg@ietf.org
>>Subject: Re: [dhcwg] "client identifier" in server replies
>>
>>
>>On Thursday 10 July 2003 08.38, narasimha.nelakuditi@nokia.com wrote:
>>
>>
>>>After discussing several alternatives to solve the problem, servers
>>>including "client id" field in their replies seems to be 
>>
>>the clean solution
>>
>>>to it. If this is agreed upon, next thing is how to fix this in the
>>>protocol??
>>
>>How many clients are going to discard valid server responses 
>>if they contain 
>>the clientid field? (i.e. how many working implementations 
>>will break?)
>>
>>If your wire protocol has absolutely no way of identifying 
>>nodes on that wire, 
>>the only way to use DHCP is for each node to be able to 
>>uniquely identify 
>>itself. Whether your node or your wire-level protocol 
>>generates the unique 
>>identifier, that identifier should serve as your hw address, 
>>IMHO. Is there 
>>anything wrong with this line of thought?
>>
>>If you can't cram it into 16 bytes, that's another issue. :)
>>
>>Bud Millwood
>>Weird Solutions, Inc.
>>http://www.weird-solutions.com
>>tel: +46 8 758 3700
>>fax: +46 8 758 3687
>>mailto:budm@weird-solutions.com
>>
>>
> 
> 
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