[c-nsp] IPv6 subnets for point-to-point links

[David Freedman]

Erm, make that /126 actually, a typo on my part whilst I was composing 
this offline, hence the late response.

Dave.



David Freedman wrote:
> Tell me, what is wrong with /128?
> 
> Dave.
> 
> Marcel Lammerse wrote:
>> Dear all,
>> 
>> according to the documentation I'm reading, it is not recommended to  
>> assign /127 subnets on IPv6 point-to-point links since it breaks some  
>> IPv6 mechanisms. An example is duplicate-address-detection (dad),  which 
>> uses a subnet-router anycast address, that would conflict with  one of 
>> the two available address on the link. However, the same  documentation 
>> mentions that it was popular practice on the 6bone.
>> 
>> This confuses me.
>> 
>> Is it or is it not safe practice to use /127  instead of the  
>> recommended /64 and waste a lot of address? What are people typically  
>> using?
>> 
>> Thanks,
>> Marcel
>> 
>> -- 
>> Sponges grow in the ocean. That just kills me. I wonder how much  deeper 
>> the ocean would be if that didn't happen
>>                                                                         
>>                Steven Wright
>> 
>> Marcel Lammerse
>> lammerse at xs4all.nl
>> 
>> 
>> 
>> ------------------------------------------------------------------------
>> 
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