Paul Thornton <p...@prt.org> writes: > On 09/02/2015 16:34, Daniel Corbe wrote: >> >> For some reason, every time I create a GRE interface on a FreeBSD IPv6 >> gateway, net.inet6.ip6.forwarding is disabled. As long as I manually >> re-enable it with sysctl, both the GRE tunnel and the IPv6 network >> behind this machine will continue to work; however, it's certainly far >> from ideal. > I stumbled acro > > I discovered this in January. See this thread: > > http://lists.freebsd.org/pipermail/freebsd-net/2015-January/040797.html > > Are you enabling forwarding using ipv6_gateway_enable in rc.conf, or > are you just setting net.inet6.ip6.forwarding to 1 in sysctl.conf? > > devd gets involved running /etc/rc.d/netif start and that seems to > check (and set) the forwarding sysctls based on the rc.conf entries - > so if you've set them "manually" they get reset when a new interface > is brought up. > > Adding ipv6_gateway_enable="YES" in /etc/rc.conf should fix this. >
Embarrassingly enough, the problem wound up being I had ipv6_enable_gateway instead of ipv6_gateway_enable. I'm also setting net.inet6.ip6.forwarding=1 manually in sysctl.conf so that's sort of why it ever worked to begin with. Thanks though. Some times all you need is a second set of eyes on a problem. -Daniel _______________________________________________ freebsd-net@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-net To unsubscribe, send any mail to "freebsd-net-unsubscr...@freebsd.org"