> De : Rob Seastrom
> > This space wouldn't be used much anyway,
> > given that most 6RD routers use only one /64, sometimes two.
> > I argue that a /60 is actually the best compromise here, from
> > a space and usage point of view.
>
> IPv4-thinking. In the fullness of time this line of re
> De : Mikael Abrahamsson
> A : Mark Andrews ,
> >>> You can hand out /48 as easily with 6rd as you can natively.
>
> "As easily". It's easier to either hand out /64 by means of 1:1 mapping
> IPv4 and IPv6, or (if ability exists) hand out /48 or /56 using PD, than
> to get into the whole back
> > Our mail server IP address is 74.112.99.25. Is it possible they
> are blocking us based on old information from the previous IP
> address block owner?
>
> Quite likely, yes.
https://www.arin.net/resources/whowas/
Found it to be of use for this type of question. Registration required.
Geo
Jamie Bowden a écrit sur 19/11/2012 12:16:31 PM :
> Having said that, I can't recall having seen any Quebecois posting
> in French here, [snip]
The intersection of Quebecois who speak only French and those who
have anything to do with networking is hopefully very close to 0.
That said, our ty
TJ a écrit sur 13/07/2012 02:47:26 PM :
> Of the top of my head, the first problem you might hit there is
> WRT multicast ...
> (ULA might "win" some source address selections that you want GUA to
win)
> /TJ
Good point, thanks for pointing that out. We'll see when we deploy
network-wide IPv
-Hammer- a écrit sur 13/07/2012 12:21:13 PM :
> I like the ULA approach.
Global and ULA are two approach, but there's a third one: GUA + ULA. We
actually put a GUA on servers speaking publicly, a ULA on servers speaking
in our domain only and *both* ULA and GUA on servers which talk both ways
Karl Auer a écrit sur 07/06/2012 06:09:46 PM :
> On this point I think you are wrong. Except for router advertisements,
> most NDP packets are sent to a solicited node multicast address, and so
> do NOT go to all nodes. It is "the same as broadcast" only in a network
> with switches that do not d
Anton Smith a écrit sur 06/06/2012 09:53:02 AM :
> Potentially silly question but, as Bill points out a LAN always
> occupies a /64.
>
> Does this imply that we would have large L2 segments with a large
> number of hosts on them? What about the age old discussion about
> keeping broadcast segme
> And these 'perceived' routing issues won't be noticed nor are they
> important to CDN's?
> I know what my job is, but that may not matter to the CDN's. Reading
> this thread, I wanted to mention another problem that I feel has an
> effect on this issue.
> Lyle
A very interesting point. In or
>> However these are with a very high address-sharing ratio (several
>> thousands users per address). Using a sparser density (<= 64 users per
>> address) is likely to show much less dramatic user impacts.
>
> I think you have the numbers off, he started with 1000 users sharing
> the same IP,
On Wed, Sep 07, 2011 at 12:16:28PM +0200, Randy Bush wrote:
> > I'm going to have to deploy NAT444 with dual-stack real soon now.
> you may want to review the presentations from last week's apnic meeting
> in busan. real mesurements. sufficiently scary that people who were
> heavily pushing nat44
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