Hello,
Thank you for posting in Q&A forum.
To further troubleshoot this issue, please kindly let us know:
1.What's the error message you got when running ping command?
2.Open CMD window and run command
tracert IPV6 address
and check on which hop the connection was dropped off
3.Open wireshark or network monitor and capture a network trace when reproducing the issue.
Best regards,
Jill Zhou
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