[CentOS] ipv6 only kickstart installs

Sun Jun 16 21:01:21 UTC 2013
Markus Falb <wnefal at gmail.com>

Hi, I have a kvm host and I try to install a centos 6 guest with a static ip address.

When I do a manual install I eventually get to the network configuration and if I enter IP, gateway and DNS Server I can ping6 the guest from the host and I can ping6 the guest from outside.

I do not want to do manual installation, so I have to specify a url to a kickstart file, but to download it the network must be configured.
I try some kernel options

noipv4 ipv6=... gateway=... dns=... ks=http…

This gets me so far that I can ping6 the guest from the host, but I can not reach it from outside.  When I ping from outside I see the guest sending neighbor solicitation requests for the IP I ping from, but this IP is in another network. I think the guest does not get a gateway configured. At least the ipv6 option is working, because I can ping the guest from the host.

How do I achieve such a ipv6 only with static network configuration kickstart install?
How to specify ipv6 gateway (and possibly dns)

-- 
Markus