[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 - lucize (lucize)

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Is there a way that could I debug why that system doesn't work ? I tried with firewall off but is losing it after a short period of time, connected other windows 7 and linux stations to the network and all are working as it should

regards
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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#comment2299