On Jun 25, 2007, at 7:55 PMJun 25, 2007, Bruce M. Simpson wrote:
Eric F Crist wrote:
My problem isn't getting out to 2001:4980:1::5, it's getting to my
LAN, the 2001:4980:1:111::/64 network. My gateway, the machine
from which I posted the routing and ifconfig information, is able
to ping across the tunnel, and to the internet just fine. Nothing
is able to get from the gateway to my LAN, however. Is it a
problem with the fxp driver, or perhaps my setup with the ethernet
bridging?
You appear to have a /64 network address on the inside of your v6
router. Are you using stateless address auto-configuration? You
appear to have statically assigned ....::145 as a host address on
that net.
My setup works fine if I ping the network address of my v6 router
from the v6 enabled hosts in my lab.
When you ping local machines on the inside LAN from that router, do
you see NDP entries being created?
You shouldn't need to use bridging to achieve what you want in this
scenario, in fact it makes no sense because you want to route v6
traffic over the gif, therefore ethernet bridging is not relevant
here.
Bruce,
First, thanks for taking time to help me through this. Here's some
more information regarding the topography of my network. My FBSD
firewall is running with 'options BRIDGE' in the kernel, and the
following two lines in /etc/sysctl.conf:
net.link.ether.bridge.enable=1
net.link.ether.bridge.config=fxp0,fxp1
This is so that I don't have to do routing on my firewall. I have a
IPv4 /28 network, so a limited number of IP addresses, this saves one
of those. This system is filtering traffic with PF. That's really
the only reason for the bridging. Also, it does allow me to do
traffic shaping and bandwidth monitoring. This bridging stuff
really, as you said, has nothing to do with my IPv6 configuration
issues.
In addition, this gateway/firewall gets the gateway part from the
duties I'm assigning regarding the IPv6 stuff. This box has the gif
tunnel, and will route all my IPv6 traffic. I would have my primary
router perform this, but it's not currently supported, as I have an
over-priced POS.
Regarding my addressing, you're right, I am statically assigning IP
addresses. My current scheme is to simply use the last octet of my
IPv4 address. As I said in my previous email, all of my other
servers are communicating just fine across IPv6. The only machine
I'm having problems with is my firewall machine, the one I want to be
my gateway.
TIA, please ask if there are further questions.
-----
Eric F Crist
Secure Computing Networks
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