[FS#154] fw: can not ping the router via link local on all nodes multicast 'ping6 ff02:1%eth0'

[LEDE Bugs]

The following task has a new comment added:

FS#154 - fw: can not ping the router via link local on all nodes multicast 'ping6 ff02:1%eth0'
User who did this - Jo-Philipp Wich (jow-)

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Fixed with http://git.lede-project.org/113544d - the drop_invalid 1 case cannot be fixed properly without injecting custom rules.
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More information can be found at the following URL:
https://bugs.lede-project.org/index.php?do=details&task_id=154#comment799