пт, 27 июл. 2018 г. в 18:38, Jason Gunthorpe <jgg@xxxxxxxx>:
>
> On Fri, Jul 27, 2018 at 12:42:47PM +0300, Vasiliy Tolstov wrote:
> > пт, 20 июл. 2018 г. в 11:31, Vasiliy Tolstov <v.tolstov@xxxxxxxxx>:
> > >
> > > > I think that who first get ipv6 address wins and second have error.
> > > > I'm disable DAD and now server 1 and server 2 have identical ipv6
> > > > slaac addresses. And i know that this is not bird problem and not
> > > > dnsmasq problem because in case of plain ethernet devices with normal
> > > > hwaddres this issue not happened.
> > > >
> > >
> > > Gentle Ping....
> > >
> >
> > Any chance to get this fixed or this is 100% dnsmasq/bird ... problem?
> > (that does not appeared when use ethernet device)
>
> Unless you can show the kernel itself is producing the address wrong
> we can't really help you.. The kernel code looks fine to me, unless
> something broke recently.
>
> Test using simply radvd and reboot everything.
>
> Jason
radvdump recieved on server1 and server2:
interface bond0
{
AdvSendAdvert on;
# Note: {Min,Max}RtrAdvInterval cannot be obtained with radvdump
AdvManagedFlag off;
AdvOtherConfigFlag off;
AdvReachableTime 0;
AdvRetransTimer 0;
AdvCurHopLimit 64;
AdvDefaultLifetime 300;
AdvHomeAgentFlag off;
AdvDefaultPreference medium;
prefix fd00:1::/64
{
AdvValidLifetime 86400;
AdvPreferredLifetime 14400;
AdvOnLink on;
AdvAutonomous on;
AdvRouterAddr on;
}; # End of prefix definition
}; # End of interface definition
i'm test with radv:
server1 dmesg:
[1420250.782673] ICMPv6: RA: ndisc_router_discovery failed to add default route
[1420251.074430] IPv6: bond0: IPv6 duplicate address
fd00:1::8200:2ff:fe09:fe80 used by 00:00:00:00:00:00 detected!
server2 dmesg:
clean
but server2 have two ipv6 addresses:
6: bond0: <BROADCAST,MULTICAST,MASTER,UP,LOWER_UP> mtu 2044 state UP qlen 1000
inet6 fd00:1::8200:2ff:fe09:fe80/64 scope global dynamic
mngtmpaddr noprefixroute
valid_lft 86393sec preferred_lft 14393sec
inet6 fd00:1::221:2800:1a0:cfe2/64 scope global dynamic mngtmpaddr
valid_lft 86393sec preferred_lft 14393sec
inet6 fe80::221:2800:1a0:cfe2/64 scope link
valid_lft forever preferred_lft forever
--
Vasiliy Tolstov,
e-mail: v.tolstov@xxxxxxxxx
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