[OpenWrt-Devel] Firewall settings must be manually changed for 6to4

[Alex Henrie]

Hello,

I recently set up an OpenWrt 18.06.1 router at a place where the ISP
does not provide native IPv6, but does provide their own 6to4
tunnelling server. I installed 6to4 and ip-full on the router and
configured WAN6, but was puzzled as to why IPv6 wasn't working until I
discovered that the default firewall settings block forwarded traffic.
Changing "Forward" from "reject" to "accept" under "General Settings"
resolved the problem.

Would you please consider automatically enabling forwarded traffic
when 6to4 is installed, or at least update the wiki [1] to include
this crucial piece of information?

-Alex

[1] https://openwrt.org/docs/guide-user/network/ipv6/barrier.breaker.ipv6.6to4

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