[GLLUG] RADVD configuration
james.dutton at gmail.com
Wed Apr 5 11:33:22 UTC 2017
Think of the Global address as the one used between hosts (e.g. interface
eth0), and the site local as the loopback (e.g. interface lo). (i.e. not
route-able outside of the host)
On 4 April 2017 at 11:00, Chris Bell via GLLUG <gllug at mailman.lug.org.uk>
> On Monday 03 Apr 2017 13:34:24 Chris Bell via GLLUG wrote:
> > Hello,
> > I am trying to get to know more about IPv6 using a shoreline firewall
> > (shorewall + shorewall6) on Debian without having a real allocated global
> > address yet. I have a box with 4 ethernet interfaces sitting piggy-back
> > an IPv4 firewall, with the first interface using DHCP from the IPv4
> > firewall. Each of the other interfaces would have the global address
> plus a
> > site local fdxx address, where only the first 62 bits of the site local
> > address prefixes are identical. I intended to use site local prefixes for
> > local connections and an allocated global prefix for all non-local
> > connections. I have installed bind9 on the firewall with all relevant
> > addresses available. I can configure static boxes individually using
> > IP-Route to choose the correct site or global prefix suitable for the
> > destination, and shorewall6 appears able to configure its own interfaces
> > with multiple addresses, but I am having problems trying to set up RADVD
> > provide the same information to laptops and other mobiles. Is it
> > Thanks for any information.
> I have spent hours trying different entries, then"/etc/init.d/radvd start"
> followed by reading "/etc/init.d/radvd status" error messages. I think that
> according to the RADVD documentation the ABRO entry is available to list
> specific options for the interface name, (not listed under the prefix
> but there are only two options listed, and they do not include options for
> source prefix to be used for any specific destination prefix. There is no
> of the format to be used for route specific options, nor any suggestion
> that a
> source prefix would be preferred for a specific route.
> I have not found anything in the documentation about how to state the scope
> for a prefix or for specifying a prefix for a given route, although a
> prefix can
> be deprecated. I have seen messages that RADVD has not been given a
> prefix even when I include one in the prefix list, or include the complete
> local address.
> However RFC 3484 says that IPv6 ethernet interfaces should automatically
> select the correct prefix.
> Chris Bell
> website chrisbell.org.uk
> GLLUG mailing list
> GLLUG at mailman.lug.org.uk
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