Sunday, May 22, 2011

Troubleshooting IPv6 Networks and Systems


Whether your organization has deployed IPv6 or not, you may end up troubleshooting IPv6-related issues as other nodes on the Internet move to dual-protocol connectivity. We need to consider how the introduction of IPv6 will change the way we troubleshoot networks, now that we are operating in a dual-protocol world. This article will focus on troubleshooting dual-protocol applications running on dual-protocol servers over a dual-protocol network.
As IPv6 begins to be added to environments the techniques we have been using for decades to troubleshoot TCP/IP networks will need to adapt. When we add IPv6 to the network we will need to learn how to troubleshoot IPv6 connectivity issues. When we look back to the early IPv4 networks we used different troubleshooting techniques than we use today. Now IPv4 networks have had decades to mature and we seldom "blame the network" as much as we did in the 1990s. Now that IPv6 deployments are newer it is conceivable that we will again be hearing that "it's the network's fault".


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