Thanks Sebastiaan!
Please permit me another question. Correct me if I'm wrong:

When working with IPv6 I will not have "The Arp Problem", but it will be mandatory to have radvd on my routers. Right?

Thanks!
--
Thiago Henrique
www.adminlinux.com.br



Em 26-06-2013 03:44, Sebastiaan Hoogeveen escreveu:
Hi,

On 26 jun. 2013, at 02:49, Listas wrote:

I'm trying to configure an IPv6 LVS. I need to run radvd on my router to work?

I made this configuration:

In my network gateway:
ifconfig eth1 add 2001:db8:38a5::1/48

In realserver:
ifconfig eth1 add 2001:db8:38a5:8::af5a/48
ifconfig lo add 2001:db8:38a5:8::2006/128

In virtualserver:
ifconfig eth1 add 2001:db8:38a5::bc5f/48
ifconfig eth1 add 2001:db8:38a5:8::2006/128
ipvsadm -A -u [2001:db8:38a5:8:0:0:0:2006]:53 -s wlc
ipvsadm -a -u [2001:db8:38a5:8:0:0:0:2006]:53 -r [2001:db8:38a5:8::af5a]:53 -w 
888

Did the 2001:db8:38a5:8::2006 address actually get assigned to lo on the 
realserver? If not you have probably not yet disabled DAD (duplicate address 
detection) for lo on the realserver:

echo 0 > /proc/sys/net/ipv6/conf/lo/dad_transmits
echo 0 > /proc/sys/net/ipv6/conf/lo/accept_dad

This should be done before configuring the IPv6 addresses, somewhat like the 
way you would change ARP configuration for IPv4.

Also I would recommend using TCP to test the configuration as you might get 
more feedback on the client if something goes wrong.

Kind regards,


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