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.
Paul.
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