Yahoo's IPv6 Day: Testing Your System and Understanding the Need for IPv6

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SUMMARY

The discussion centers on the necessity of transitioning from IPv4 to IPv6, particularly in light of Yahoo's IPv6 Day. Users are encouraged to test their systems for IPv6 compatibility, as many still operate solely on IPv4. The conversation highlights the limitations of NAT (Network Address Translation) in addressing the growing demand for unique IP addresses, emphasizing that IPv6 offers superior features compared to IPv4. The consensus is that while IPv4 remains functional, the eventual obsolescence of IPv4 necessitates an upgrade to IPv6 for future-proofing network infrastructure.

PREREQUISITES
  • Understanding of IPv4 and IPv6 protocols
  • Familiarity with NAT (Network Address Translation)
  • Knowledge of network equipment, specifically routers and access points
  • Basic concepts of internet infrastructure and IP addressing
NEXT STEPS
  • Research the differences between IPv4 and IPv6 addressing schemes
  • Learn about configuring Cisco routers for IPv6 support
  • Explore the implications of NAT on IP address allocation
  • Investigate the top features of IPv6 as outlined in resources like ipv6.com
USEFUL FOR

This discussion is beneficial for network engineers, IT professionals, and businesses planning to upgrade their network infrastructure to accommodate the growing number of internet-connected devices.

DoggerDan
Here: http://help.yahoo.com/l/us/yahoo/ipv6/

I stumbled across this page and took the IPv6 test. I'm IPv4 only, even though I bought a new Cisco wireless access point and router just a few weeks ago. Is the router not ready for 6? Is my ISP's DSL modem no ready for 6? Is it something else?

Your system will continue to work for you on World IPv6 day. However, we found that you only have IPv4 at this time. You'll simply continue to use IPv4 to reach your favorite web sites.

In answer to their "What is IPv6 and why is it necessary?" answers, I thought NAT on the consumer side negated the issue of non-unique IP addresses i.e. it was only the supplier (web site) addresses which would bump up against the limit.

What's the real answer? Do we need to upgrade all of our equipment, or did NAT negate that?
 
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There are some good reasons in the following link and the subsequent pages that explain why IPv6 us superior to IPv4:
https://www.ipv6.com/general/top-10-features-that-make-ipv6-greater-than-ipv4/In general, it is assumed that with the growing number of devices going online, at one point of time, IPv4 would become obsolete. One site recommended that large businesses should think about switching over to IPv6 sooner or later. Till this date, IPv4 is still functioning, but who knows about the future?
 
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