v6 & DSL / Cable modems [was: Private use of non-RFC1918 IP space (IPv6-MW)]

Matthew Moyle-Croft mmc at internode.com.au
Wed Feb 4 19:11:01 CST 2009


Anthony Roberts wrote:
> On Thu, 05 Feb 2009 11:08:44 +1030, Matthew Moyle-Croft
> <mmc at internode.com.au> wrote:
>   
>> Let's face it - the current v6 assignment rules are to solve a 1990s set 
>> of problems.  A /64 isn't needed now that we have DHCP(v6).
>>     
>
> It's needed to prevent people from NATing in v6, as they'll still want
> their stuff behind a firewall, and some of them will want subnets.
>   
Why do we want to prevent people using NAT?   If people choose to use 
NAT, then I have no issue with that. 

This anti-NAT zealotism is tiring and misplaced. 
>   
>> Setting the idea in people's heads that a /64 IS going to be their own 
>> statically is insane and will blow out provider's own routing tables 
>> more than is rational.
>>     
>
> No larger than their ARP tables are now.
>   
And ARP tables are propogated around networks?   No, they're local to a 
router.  

MMC

-- 
Matthew Moyle-Croft - Internode/Agile - Networks
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