Re: Trying to understand IPv6

There's an RFC written about it (can't remember the number on top of
my head) that discusses security/operational reasons for that. The
same one that proposes use /127 on p2p links.

--
Marko Milivojevic - CCIE #18427 (SP R&S)
Senior CCIE Instructor - IPexpert
On Wed, Oct 24, 2012 at 11:41 AM, Carlos G Mendioroz <tron_at_huapi.ba.ar> wrote:
> Hmm, I guess I see it.
> You mean design as if the link has the /64 assigned to it, but configure the
> router to know that in reality it is only one other address in this point to
> point link ?
>
> What is the gaining from making this more complex than it could ?
> (Other than dropping a packet a litle bit earlier)
>
> -Carlos
>
> Carlos G Mendioroz @ 24/10/2012 15:29 -0300 dixit:
>
>> Ah... uh ?
>> What do you mean /64 for the subnet but /127 mask ? Where do you use the
>> /127 ? Where the /64 ?
>>
>> -Carlos
>>
>> Marko Milivojevic @ 24/10/2012 15:17 -0300 dixit:
>>>
>>> On Wed, Oct 24, 2012 at 2:46 AM, Carlos G Mendioroz <tron_at_huapi.ba.ar>
>>> wrote:
>>>>
>>>> Hmm, I've never seen anything between a /64 and a /128.
>>>
>>>
>>> /127 is common on point-to-point links. General best-practice is to
>>> assign /64 subnet for the link, but use /127 mask.
>>>
>>> --
>>> Marko Milivojevic - CCIE #18427 (SP R&S)
>>> Senior CCIE Instructor - IPexpert
>>>
>>
>
> --
> Carlos G Mendioroz  <tron_at_huapi.ba.ar>  LW7 EQI  Argentina
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