[Bug 194485] Userland cannot add IPv6 prefix routes

bugzilla-noreply at freebsd.org bugzilla-noreply at freebsd.org
Thu Feb 25 15:25:22 UTC 2016


https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=194485

--- Comment #3 from roy at marples.name ---
Note, this is only an issue if the kernel has received a default router from a
RA.

So the use case where this fails is the kernel receives a RA from upstream
router and a DHCPv6 client receives a Prefix Delegation from upstream router.
In this case no node on the downstream prefixes will be treated as a valid
neighbour.

The workaround is to disable RA handling in the kernel and let a userland
application (such as dhcpcd) handle it.

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