Date: Fri, 22 Jun 2007 12:19:50 +0400 From: ghozzy <ghozzy@gmail.com> To: "George Michaelson" <ggm@apnic.net> Cc: freebsd-net@freebsd.org Subject: Re: how do you bring IPv6 live without reboot? Message-ID: <a066eefc0706220119t6bf61d46m652f5db46eac1df3@mail.gmail.com> In-Reply-To: <20070622011451.GA3170@rogue.navcom.lan> References: <20070620094806.3a95ec40@garlique.algebras.org> <20070622011451.GA3170@rogue.navcom.lan>
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On 6/22/07, Mike Makonnen <mtm@freebsd.org> wrote: > On Wed, Jun 20, 2007 at 09:48:06AM +1000, George Michaelson wrote: > > > > on a 6-STABLE host, I added: > > > > ipv6_enable="YES" > > ipv6_network_interfaces="bge1" > > > > to rc.conf, and ran /etc/rc.d/network_ipv6 > > > > this did not bring IPv6 live. rtsol reported problems with get_llflag() > > calls. However across reboot, the system came up with IPv6 fine. > > > > Can somebody explain why this won't work if run after the init sequence > > has run to completion? What is the sequence of commands that when run > > on an active FreeBSD system causes it to successfully bind to IPv6? > > IPv6 configuration is still a work in progress. Currently, you can't > enable and auto-configure IPv6 *after* the initial boot. The reason for > this is that the IPv6 configuration subroutines require all IPv6 interfaces > to have a link-local address first. However, the rc.d/auto_linklocal script > is executed before all the networking stuff and if IPv6 is not enabled it sets > a sysctl(8) variable to prevent the IPv6 subsystem in the kernel from > assigning link-local addresses. If you don't want to reboot, then you > have to assign the link-local addresses yourself with ifconfig(8) and then > run rc.d/network_ipv6 (should work in theory, haven't tried it). I've found a way: # sysctl net.inet6.ip6.auto_linklocal=1 # ifconfig em0 down up will assign link-local address to interface. after all required interfaces have link-local addresses, run /etc/rc.d/network_ipv6 start and all will be set ! :) -- ghozzy
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