[hipl-users] Got RADVD prefix changing working, but without hipfw
- From: Robert Moskowitz <rgm@xxxxxxxxxxxxxxx>
- To: miika.komu@xxxxxxx
- Date: Fri, 19 Sep 2008 09:15:26 -0400
I have been poking radvd to figure out how to get prefix changes as I
move my notebooks from one vlan to another, without any success. I even
asked for help from our networking experts within Verizon, but their
experience was limited, and had not worked on systems (other than Vista)
moving between networks.
So with a bit of googling I found:
http://tldp.org/HOWTO/Linux+IPv6-HOWTO/hints-daemons-radvd.html
and following 21.4.1.2. Special 6to4 configuration, I got:
interface eth1.16 {
AdvSendAdvert on;
MinRtrAdvInterval 3;
MaxRtrAdvInterval 10;
prefix 2607:f4b8:3:3::/64 {
AdvOnLink off;
AdvAutonomous on;
AdvRouterAddr on;
AdvPreferredLifetime 20;
AdvValidLifetime 30;
};
};
And this works. I move the cable from one switch port (vlan 16) to
another (vlan 17) and 1st the system gains the new address, then it
looses the old. I move it back and it regains the original address then
looses the old. Just like I need to test mobilty.
Timings are not super tight, for determining how little interuption to a
SIP call would occur with this sort of activity.
Why do it on a physical port? Well get the 'theory' working first
before I set up a couple of wireless APs on different vlans and see how
it works as I roam from one to another.
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