Cheap LSN/CGN/NAT444 Solution

Skeeve Stevens skeeve+nanog at
Tue Jul 1 00:22:37 UTC 2014

Hi Valdis,

Re 1.. completely understand.  The environment is such that we will openly
state what does and doesn't work.  It is a captive environment and the
users don't have a choice who they use.  Think large university dorm (about
600) for part of the customer base.

Re 2.. The larger design is already approved and budgeted for... this is a
proof-of-concept cheap solution to see if the uptake happens as expensive.
 I agree with you that we should just build it the right was the first
time, but the people paying want to do it this way.  And in the end, I am
just the designer, if they leave it in place, it is not really my concern,
they have my advice.


*Skeeve Stevens - *eintellego Networks Pty Ltd
skeeve at ;

Phone: 1300 239 038; Cell +61 (0)414 753 383 ; skype://skeeve ;  <>

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On Mon, Jun 30, 2014 at 11:40 PM, <Valdis.Kletnieks at> wrote:

> On Mon, 30 Jun 2014 15:59:47 +1000, Skeeve Stevens said:
> > I am after a LSN/CGN/NAT444 solution to put about 1000 Residential
> profile
> > NBN speeds (fastest 100/40) services behind.
> > This solution is for v4 only, and needs to consider the profile of the
> > typical residential users.  Any pitfalls would be helpful to know - as in
> > what will and and more importantly wont work - or any work-arounds which
> > may work.
> Pitfall 1:  Make sure you have enough support desk to handle calls from
> everybody who's doing something that doesn't play nice with CGN/NAT444.
> And remember that unless "screw you, find another provider" is an
> acceptable
> response to a customer, those calls are going to be major resource sinks to
> resolve to the customer's satisfaction...
> Pitfall 2: These sort of short-term solutions often end up still in
> use well after their sell-by date.  If you're planning to deploy a
> new solution in 6 months, maybe throwing resources at a short-term fix
> is counterproductive and the resources should go towards making the current
> solution hold together and deploying the long-term solution...

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