Hi,
On Tue, Jan 21, 2014 at 12:41:36PM +0100, Vrf Identity wrote:
> Yes, this is it! Thanks Erik!
>
> BTW it is quite stupid for me adding by default static route and not
> using backup router if one will fail, but second is available. In my
> opinion this "feature with static route" should be disabled by default
> for IPv6 protocol.
That static route seems to be added by NetworkManager.
If I disable NetworkManager and configure IPv6 SLAAC manually, just the
dynamic default route is added:
$ # NOTE: disabling NetworkManager disables ALL interfaces, not just those
$ # controlled via NetworkManager
$ # disable NetworkManager (same as deselecting "Enable Networking" in GUI)
$ nmcli nm enable false
$ ip -6 route show
$ ip -6 addr show eth0
$ # enable SLAAC
$ sudo sysctl -w net.ipv6.conf.eth0.forwarding=0
net.ipv6.conf.eth0.forwarding = 0
$ sudo sysctl -w net.ipv6.conf.eth0.autoconf=1
net.ipv6.conf.eth0.autoconf = 1
$ sudo sysctl -w net.ipv6.conf.eth0.accept_ra=1
net.ipv6.conf.eth0.accept_ra = 1
$ sudo ip link set dev eth0 up
$ # wait a short time for SLAAC to finish...
$ ip -6 addr show eth0
2: eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qlen 1000
inet6 2001:638:208:cd00:XXX:XXff:feXX:XXXX/64 scope global dynamic
valid_lft 2591989sec preferred_lft 604789sec
inet6 fe80::XXX:XXff:feXX:XXXX/64 scope link
valid_lft forever preferred_lft forever
$ ip -6 route show
2001:638:208:cd00::/64 dev eth0 proto kernel metric 256 expires 2592302sec
fe80::/64 dev eth0 proto kernel metric 256
default via fe80::XXX:XXff:feXX:XXXX dev eth0 proto kernel metric 1024 expires 1778sec
$
Tested on Ubuntu 12.04 LTS.
Erik
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