IPv6 Default Allocation - What size allocation are you giving out
Owen DeLong
owen at delong.com
Thu Oct 9 20:01:06 UTC 2014
On Oct 9, 2014, at 11:34 AM, Baldur Norddahl <baldur.norddahl at gmail.com> wrote:
> On 9 October 2014 19:55, Richard Hicks <richard.hicks at gmail.com> wrote:
>
>> The BCOP specfically addresses this in 4b:
>> " *b. Point-to-point links should be allocated a /64 and configured with a
>> /126 or /127*"
>>
>
> Why do people assign addresses to point-to-point links at all? You can just
> use a host /128 route to the loopback address of the peer. Saves you the
> hassle of coming up with new addresses for every link. Same trick works for
> IPv4 too.
>
> Regards,
>
> Baldur
<SARCASM>
And it makes your trace-routes across parallel links oh so easy to identify which of them is at fault for the packet loss, too.
</SARCASM>
There are a number of good technical reasons to want distinct addresses on point to point links.
Owen
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