ipv6 book recommendations?

Tue Jun 5 22:41:27 UTC 2012

Apologies for the double post... Mistakenly hit send instead of cancel on the first one.

Owen

On Jun 5, 2012, at 3:32 PM, Owen DeLong wrote:

> 
> On Jun 5, 2012, at 3:23 PM, William Herrin wrote:
> 
>> On 6/5/12, Owen DeLong <owen at delong.com> wrote:
>>> On Jun 5, 2012, at 2:23 PM, William Herrin wrote:
>>>> c. If it's a point to point, a reasonable practice seems to be a /64
>>>> per network area and around /124 per link. Works OK for ethernet point
>>>> to points too.
>>> 
>>> /64 is perfectly reasonable per point to point as well.
>> 
>> Hi Owen,
>> 
>> Sure, but with the neighbor discovery cache issues that come up with
>> /64's under attack, why open yourself to trouble where you can't
>> realize any benefit?
>> 
> 
> It makes little sense to me to permit people outside your network
> to deliver packets to your point to point interfaces. Denying this
> traffic at your borders/edges eliminates all of the attacks without
> having to juggle inconsistent prefix sizes or do silly bit-math to
> figure out which address is at the other end of the link.
> 
> Owen
> 