On 05/22/2011 07:27 AM, Marc Haber wrote:
> On Sat, May 21, 2011 at 10:53:56PM +0200, Daniel Lezcano wrote:
>> On 05/21/2011 10:11 PM, Marc Haber wrote:
>>> On Sat, May 21, 2011 at 10:07:03PM +0200, Daniel Lezcano wrote:
>>>> Is the guest's /proc/sys/net/ipv6/conf/eth0/accept_ra set ?
>>> It is.
>> Can you check by setting the value to '2' and then ifdown/ifup the
>> interface ?
> Ok, this is interesting. Two results:
>
> (1)
> With neither setting does the lxc container actively send out Router
> Solicitations. It just sits there waiting for the next Router
> Advertisement, which is only sent out by the radvd every 600 seconds.
The documentation says:
accept_ra - BOOLEAN
Accept Router Advertisements; autoconfigure using them.
Possible values are:
0 Do not accept Router Advertisements.
1 Accept Router Advertisements if forwarding is disabled.
2 Overrule forwarding behaviour. Accept Router
Advertisements
even if forwarding is enabled.
Functional default: enabled if local forwarding is disabled.
disabled if local forwarding is enabled.
> (2)
> Only with 2 in /proc/sys/net/ipv6/conf/eth0/accept_ra, the lxc
> container acts on an incoming Router Advertisement, which can be
> forced by restarting the radvd. With accept_ra=2, it accepts the RA
> and properly acts on it, while with accept_ra=1, it just ignores the
> RA.
>
> Greetings
> Marc
>
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