[FS#73] Router doesn't answer to ping to ff02::1

[LEDE Bugs]

The following task has a new comment added:

FS#73 - Router doesn't answer to ping to ff02::1
User who did this - Juliusz Chroboczek (jch)

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Just upgraded my router, ff02::1 now works fine, but ff02::2 is still blocked.
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More information can be found at the following URL:
https://bugs.lede-project.org/index.php?do=details&task_id=73#comment595