IPv6 Setup...

[Tilman Linneweh]

On Jun 23, 2007, at 04:36 , Eric Crist wrote:
> I have 5 servers on my quaint little network, and my primary  
> firewall is configured with an IPv6 address, we'll say  
> 1000:2000:1::6 and is connected to my ISP through a gif tunnel  
> (router doesn't support IPv6 yet, on my end) to 1000:2000:1::5.  I  
> can ping6 all day long across this tunnel, and I can even connect  
> through this firewall to other sites using the IPv6 addresses.
>
> I've been given 2001:4900:1:0111::/64 for my use.  I've configured / 
> etc/rc.conf on my first two machines with ipv6_enable="YES" and  
> given them 2001:4980:1:0111::1 and 2001:4980:1:0111::2.  Each  
> machine can ping6 itself, but they cannot ping6 eachother.  I know  
> the copper is good, and my ipv6 is running along side my ipv4  
> addresses and such.  In addition, there are no firewalls in between.
>
> Is there something I'm missing?

Maybe you used a /128 netmask, or a wrong routing table? Try sniffing  
with tcpdump/wireshark to see what is going on.

>
> Also, what the heck is rtadvd_enable="YES" actually doing for me?   
> I understand it's broadcasting some routing stuff so my other hosts  
> can auto-configure their IPv6 addresses, but anything else?
>

There is a section in the handbook about ipv6:
  http://www.freebsd.org/doc/en_US.ISO8859-1/books/handbook/network- 
ipv6.html

regards
arved