Brian suggestion is what we've seen in all the CPE devices we've had at the 
UNH-IOL last two CE Router Events.  I haven't seen a CPE/SOHO router act as a 
relay agent.

Regards,
Tim

On May 27, 2011, at 8:07 AM, Brian Haberman wrote:

> On 5/26/11 5:46 PM, Manfredi, Albert E wrote:
>> Thomas Narten wrote:
>> 
>>> Let me ask a question. In IPv4, for typical SOHO routers, do they 
>>> support DHCP relay agent functionality? (My guess is no.)
>>> 
>>> And what about configuring it? It is *not* plug and play, zeroconf 
>>> magic...
>> 
>> Since they are typically NAPTs, I'd say no. They are local DHCP
>> servers for the private address space behind them only.
>> 
>> In IPv6, what will the "typical SOHO router" look like, though? Same
>> NAT functionality as IPv4? And if not, is there an automatic way of
>> configuring this SOHO router for any possible DHCP relay function?
> 
> What about a situation where rather than using DHCP relay, a router uses
> DHCP Prefix Delegation to get a prefix that is then used in the home
> network?  There is no need for the relay functionality and the CPE is
> still plug-and-play.
> 
> Regards,
> Brian
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