On Jun 23, 2007, at 7:17 AMJun 23, 2007, Tilman Linneweh wrote:
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
Something I've just learned is that autoconfiguration of IPv6 *is*
working to my ipv6 gateway. I can ping between machines using their
autoconfiguration addresses, however, I cannot ping statically
assigned addresses. Also, it appears that all of my servers, those
set to autoconf and those note, have 2001:4900:1:111::1 assigned to
their loopback address. Is this normal? The route on a host looks
like:
Internet6:
Destination Gateway Flags Netif Expire
:: localhost.secure-c UGRS lo0
localhost.secure-c localhost.secure-c UHL lo0
::ffff:0.0.0.0 localhost.secure-c UGRS lo0
2001:4900:1:111:: link#1 UC sk0
2001:4900:1:111::1 my:ma:ca:dd:re:ss UHL lo0
2001:4900:1:111:20 ma:ca:dd:re:ss:02 UHLW sk0
fe80:: localhost.secure-c UGRS lo0
fe80::%sk0 link#1 UC sk0
fe80::212:17ff:fe4 my:mc:ca:dd:re:ss UHL lo0
fe80::%lo0 fe80::1%lo0 U lo0
fe80::1%lo0 link#4 UHL lo0
ff01:1:: link#1 UC sk0
ff01:4:: localhost.secure-c UC lo0
ff02:: localhost.secure-c UGRS lo0
ff02::%sk0 link#1 UC sk0
ff02::%lo0 localhost.secure-c UC lo0
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