[FS#668] ipv6 not working after some time

[LEDE Bugs]

The following task has a new comment added:

FS#668 - ipv6 not working after some time
User who did this - Hans Dedecker (dedeckeh)

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I don't think the problem is firewall related as other devices in the lan should be impacted as well. Installing wireshark on the windows 7 device is an option to trouble shoot the problem allowing to analyze the IPv6 packet flow
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More information can be found at the following URL:
https://bugs.lede-project.org/index.php?do=details&task_id=668#comment2300