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Can anyone tell me ? .Why i am getting No Connectivity Issue in IPV6 Connectivity.Kindly let me know the idea.any help would be highly
appreciated.Kindly find the attachment also.

ipv6Issue.jpg 60.18 KB
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A short, practical checklist to narrow down why Windows shows "IPv6: No Connectivity." flagged the higher-level possibility; before contacting upstream, isolate the problem to the host, the router, or the WAN by comparing a machine that works (your laptop) with the machine that does not.

Run these commands from an elevated Command Prompt to inspect addresses, tunnels and routes:

ipconfig /all
route print -6
netsh interface ipv6 show addresses
netsh interface ipv6 show route
netsh interface teredo show state

How to read the results: if you only see addresses starting with fe80:: (link-local) or fc00::/7 (ULA) and no address in the public IPv6 range (2000::/3), the host does not have a global IPv6 address. If route print -6 or netsh interface ipv6 show route does not show a ::/0 default route, the host has no IPv6 path to the Internet. A Teredo/6to4/ISATAP adapter in a hard-failed state can show "No Connectivity" even when IPv4 works — the netsh output will show that state.

Next steps and common causes: compare the outputs between the working laptop and the failing machine; check the router GUI for a WAN IPv6 address and for prefix delegation/SLAAC being active; temporarily disable third-party firewalls (ICMPv6/Neighbor Discovery must be allowed) and avoid permanent registry hacks that disable IPv6. Use a browser test like test-ipv6.com to verify real IPv6 reachability. For command details, see the Microsoft ipconfig documentation and . If the router shows no WAN IPv6 but the router used to have one, check router logs/firmware before escalating.

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Member Avatar for Dani_938

Check if your ISP supports IPv6, the protocol must be enabled on ISP for internet to work on IPv6.

Member Avatar for firoz.raj

Check if your ISP supports IPv6, the protocol must be enabled on ISP for internet to work on IPv6.[/

How should i check.yesterday internet was working.even today
internet is working in my laptop.Kindly let me know the idea.
any help would be highly appreciated.

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