Using IPv6 with prefixes shorter than a /64 on a LAN
owen at delong.com
Wed Jan 26 03:14:43 CST 2011
On Jan 25, 2011, at 10:30 PM, Fernando Gont wrote:
> On 24/01/2011 05:53 p.m., Ray Soucy wrote:
>> Every time I see this question it' usually related to a fundamental
>> misunderstanding of IPv6 and the attempt to apply v4 logic to v6.
>> That said. Any size prefix will likely work and is even permitted by
>> the RFC. You do run the risk of encountering applications that assume
>> a 64-bit prefix length, though. And you're often crippling the
>> advantages of IPv6.
> Just curious: What are the advantages you're referring to?
1. Sparse addressing
3. RFC 4193 Privacy Addressing
4. Never have to worry about "growing" a subnet to hold new machines.
5. Universal subnet size, no surprises, no operator confusion, no bitmath.
There are probably others.
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