[Dibbler] Problem configuring Dibbler.... Need Help

Michael David servers.david at gmail.com
Thu Apr 4 14:46:44 CEST 2013


Tomasz thank you for your mail and advice.  What Jean-Jacques says is
correct. ia does not work on the host. There is no IP returned. PD returns
the prefix and from there I am left on my own to figure out the rest:-(

Will try again tonight and let you'll know how it goes.

Thanks again.
Michael


On Thu, Apr 4, 2013 at 6:08 PM, Jean-Jacques Sarton <jj.sarton at web.de>wrote:

> Tomasz,
>
> Michael has a maschine at a hoster. This hoster offer IPv6 and
> the way get the maschine within the network is to use pd and
> then to configure the network statically regarding the address
> for the hosted server. Apparently the  hoster DHCPv6 server
> is configured in such a ways that IA are never delivered.
>
> The worse technical documentation on there site is very incomplete
> and Michael has an host with only one network interface.
> The delegated network is therefore not announced within the log
> output. I think that its will be good to print out which
> prefix what delegated regardless of the presence of applicable
> network interfaces.
>
> Jean-Jacques
>
> Am 04.04.2013 13:15, schrieb Tomasz Mrugalski:
> > On 03.04.2013 19:46, Michael David wrote:
> >> I have got a new server from online.net <http://online.net>
> >>
> >> Now, I am trying to setup IPV6 for my server - i.e. get an IPV6 address
> >> for my server. Online.net uses dibbler.
> >>
> >> I have set up dibbler (latest stable version) from source on CentOS 6.
> >> When I run dibbler-client run
> >>
> >> And no ipv6 address gets assigned to the eth0 interface.
> > What are you trying to accomplish here: get an address, get a prefix or
> > both?
> >
> > Here are bare bone configs:
> > # client.conf - get an address
> > iface eth0 {
> >    ia
> > }
> >
> > # client.conf - get a prefix
> > iface eth0 {
> >    pd
> > }
> >
> > # client.conf - get an address and a prefix
> > iface eth0 {
> >    ia
> >    pd
> > }
> >
> > Of course, you should add extra things to your client.conf - to get DNS
> > server, to configure logging etc.
> >
> >> Then I thought, I need to setup dhcpclient also as per their
> instructions. I have done the same.
> > I don't understand their documentation, because I'm not educated enough
> > to speak French. Sorry. In general, it is very bad idea to run two
> > separate DHCPv6 clients at the same time. Often it will not be possible,
> > because both will try to open the same port. If Dibbler is run first and
> > was compiled with bind reuse (that's the default), you may be able to
> > run both, but still the software will get confused as it will receive
> > packets that the other client sent. Please don't do that.
> >
> >> Please can someone tell me how to get 2 static IPV6 addresses assigned
> to my server.
> > Sure. That's easy with dibbler:
> >
> > # client.conf - ask for 2 addresses
> > iface eth0 {
> >   ia
> >   ia
> > }
> >
> > Jean-Jacques suggested that you put specific values in your client.conf.
> > You can do it, but I recommend against that. Those values will be sent
> > as hints to the server. They are just that - hints. This does not
> > guarantee that server will assign them. It is perfectly valid for the
> > server to accept or ignore those hints.
> >
> > Previous example will make the client to send 2 IA_NA options and the
> > server will assign one address in each. This is the most portable way as
> > it should work with any server. For the completeness, I'll mention that
> > there's another way of requesting 2 addresses. You can send one IA_NA
> > with 2 addresses in it. If the server is smart enough, it will
> > understand that you want to have 2 addresses in that single IA_NA. Many
> > servers simply ignore those hints and will assign just one address, so
> > this may not work for you.
> > iface eth0 {
> >   ia { address address }
> > }
> >
> > Of course both approaches can be mixed. And you can include any
> > combination of ia (normal addresses), ta (temporary addresses) and pd
> > (prefixes). It depends on how gentle you want to be on your operator :)
> >
> >> That is all I want to do and I have been trying for the last 10 hrs
> with absolutely no support from my host :-(
> > When everything else fails, please read the manual :)
> > I encourage you to read Dibbler User's Guide. This is explained there,
> > with examples. See doc/dibbler-user.pdf in Dibbler sources.
> >
> > Hope that helps,
> > Tomek
> >
> >
> >
> > _______________________________________________
> > http://klub.com.pl/cgi-bin/mailman/listinfo/dibbler
> >
>
> _______________________________________________
> http://klub.com.pl/cgi-bin/mailman/listinfo/dibbler
>
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