Thanks a lot for your answers so far.

Here is my output from the following command

netstat -ant -f inet6| grep "\.53":

Code:

tcp6       0      0  *.53                   *.*                    LISTEN
udp6    4142      0  *.53                   *.*

tcpdump is available on my machine. I have played around a bit with tcpdump, but i didn't find anything interesting in the output. Which parameters should i use to start tcpdump with?

In my named.conf i have set the listen-on-v6 directive to any.

And @porter: Thanks for the information. But i wasn't able to determine whether aix uses the parallel stack or unified stack approach. And if it uses the unified stack approach, where do i have to set the SO_REUSEADDR flag?


Another thing i'm not sure about is ip6.arpa zone. Do i need this zone at all? Does IPv6 not work without a correct ip6.arpa? It is only there for the reverse lookup, isn't it? so the dig request i had sent should also have been executed without the zone, or? Well, if i need it, how should it look like? I use one at the moment, and it is also loaded without any errors, but well, i'm not sure whether it is correct.

Are there any other zones that are necessary for IPv6 to work? So only the basic ones. I have a zone where my AAAA records are in.


I found out something very interesting now. When i execute "dig @::1 host1.v6mainzlab.com aaaa" the first time, i get an error in my bind.log. I have turned on logging in named.conf. The error is the following:

Code:

27-Jun-2007 10:24:03.450 general: error: client.c:1575: unexpected error:
27-Jun-2007 10:24:03.450 general: error: failed to get request's destination: failure
27-Jun-2007 10:24:08.458 general: error: client.c:1575: unexpected error:
27-Jun-2007 10:24:08.459 general: error: failed to get request's destination: failure

--------EDIT---------
I have played around a bit and tried to get the dns server started on another AIX 5.3 machine. There i have Bind 9.2.1 installed. It's the default package that comes with AIX 5.3. When i started bind i got an error message in the system log. He couldn't bind the IPv4 socket, because it is already in use. So, well, i think now we know, that AIX uses unified stack. Now i would have to know, where i have to set the flag SO_REUSEADDR. Just for testing i have set the dns not to listen on IPv4 by setting "listen-on port 53 {none};" in named.conf (btw - i did the same on the other machine with Bind 9.4.1 and it didn't work there).

On that machine, all my dig commands work fine now. I have changed /etc/resolv.conf to the following:

Code:

nameserver ::1
search v6.mainzlab.com

But when i want to ping host1 or host1.v6mainzlab.com the host cannot be found. Any ideas what is the problem here?