IPv6 troubleshooting is similar to IPv4 troubleshooting, and you can use the same tools described in the Troubleshooting section in Chapter 1. The sections that follow provide some IPv6-specific troubleshooting information.
The netsh interface ipv6 command context contains many commands that are useful for analyzing the current IPv6 configuration and troubleshooting problems. The most useful commands are:
netsh interface ipv6 show global. Displays general IPv6 settings, including the default hop limit. Though you rarely need to modify these settings, you can use the netsh interface ipv6 set global command to change them.
netsh interface ipv6 show addresses. Displays all IPv6 addresses in a much more compact format than ipconfig ...