IPv6 problem: Routes aren't deleted after expiry / Source address selection

Hi everybody,

I'm trying to update a MobileIPv6 platform.

I installed Fedora Core2 (kernel 2.6.6), and I added a 2.6.8 USAGI
kernel which I use normally.
On two boxes which serve as router I installed zebra 0.93a-3 (for
opsfd (IPv4) and ripngd(IPv6)) and radvd 0.7.2-7.

Now I noticed the following two problems:

1) When I plug the radvd client on the router which is supposed to be
the HA later on, it builds its stateless address and adds a default
route towards the router. When I move the radvd client to the link
behind the second router, I can see that a second stateless address is
built and that the first one disappears after several second (i.e.,for
some time, he has two stateless addresses)
Now the problem is that also the default route is supposed to be
replaced by a route to the new router, isn't it?
I can see that the default route has always a lifetime of two seconds
(doesn't change at all) and if I plug the machine to the second
router, the new default route has also a lifetime which seems to be
fixed at 2s. The lifetime of the old default route, however, goes down
to zero but instead of being removed, the timer is set to something
over 2 000 000 (2 133 ???) seconds and is counting down...

So I have to problems:
- Why is the timer of the default route not activated while the route
is valid and only when the route is not any more?
- Why is the route not erased after tha lifetime has expired but
instead set to over 2 millions?

2) Second issue:
How I can I make that the radvd client uses his temporary stateless
address (for a ping, e.g.) as source address instead of using his home
address?
I tried to set /proc/sys/net/ipv6/conf/all/use/tempaddr=1, but it
doesn't seem to work...

Before, I used a 2.4 kernel and I didn't have this kind of problems...
My platform is built with VMWare 4.5.2, but I don't think that that is
the source of the problem...

It would be great of you if somebody could help me with this problem,
as I have no idea how to solve this!!

Best regards,
Tobias


I have the following in /proc/sys/net/ipv6/conf/all:
forwarding=0
accept_ra=1
accept_redirect=1
autoconf=1
temp_prefered_lft=10
temp-valid-lft=30

The radvd is configured with
..
AdvValidLifetime 30;
AdvPreferedLifetime 10;
..