Opened 3 years ago

Closed 3 years ago

#17608 closed defect (worksforme)

IPv6 routing broken in trunk and Barrier Breaker

Reported by: igor@… Owned by: developers
Priority: high Milestone: Barrier Breaker 14.07
Component: base system Version: Trunk
Keywords: Cc:


I ran 12.09 on ar71xx with no problems. With that release I was running a Hurricane Electric tunnel, and radvd to allow my LAN to access IPv6 Internet. Upon upgrade to Barrier Breaker (and later trunk snapshot as of Aug 19, 2014) I had issues with IPv6 routing using the same config files as before.

Specifically, my router could access external Pv6 addresses (e.g.: but nothing on the LAN could even though radvd properly configured addresses and routes.

The solution was to add a route for 2000::/3, like so:

ip r a 2000::/3 via 2001:470:1f06:XXX::1

Note that this is not a valid thing to do anymore and the Linux kernel was fixed way back to not require this.

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Change History (1)

comment:1 Changed 3 years ago by cyrus

  • Resolution set to worksforme
  • Status changed from new to closed

Note that since after 12.09 you need to add an option ip6prefix to the 6in4 section in order for routing to work. See

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