Jordi,

On Aug 30, 2007, at 10:16 PM, JORDI PALET MARTINEZ wrote:
For running dual-stack, you don't need public IPv4 addresses.

I thought that at a bare minimum, you needed public IPv4 addresses for the NAT gateways and any public facing IPv4 services.

Regarding the 2nd hand equipment. If you have equipment that don't run IPv6, it should be so old (more than 5-6 years) that it is not reliable. I really thing that's a mistake in any network, as you can't provide a good service,
so customers are unsatisfied and will move sooner or later to other
providers.

In the ideal world, everyone would run with the latest gear. However, pragmatically speaking and as you might have seen on NANOG regarding discussions about MSFC2s and Cisco 7600 series routers, few of us live in the ideal world.

The reality is that there is old gear out there that can't be upgraded for one reason or another. This will continue to be the case. A prudent course of action would be for folks to take an inventory of their equipment and software systems and perform triage (http://en.wikipedia.org/wiki/Triage) to figure out what's hopeless, what can be fixed, and what is OK. Once this is done, people can get an idea of what they're in store for when IPv4 address space is no longer available via traditional means.

Moreover, those 2nd hand routers are also incapable, for example, of using
224/8,

?  Do you mean 240/4?

Regards,
-drc

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