Re: Not seeing Domain Controller correctly? Followup

From: BADMF (badmf_ahhhhhyeah_at_hotmail.com)
Date: 04/28/04 

Date: 28 Apr 2004 01:03:26 -0700

Interesting. I was just doing a Google groups search on ‘Tunnel
adapter Automatic Tunneling Pseudo-Interface' and came across this
thread. I believe I have been experiencing the very same problem but
with a different twist.

I have experienced this problem in two very distinct scenarios.

A) When I initially setup my AD Forest and Domains myself.

B) Currently I'm experiencing trouble migrating machines from the
Windows 2003 domain I originally setup to the current Windows 2000
native mode AD Domain structure setup by installing Windows Small
Business Server 2003.

I initially though, and still consider, that I just screwed DNS up
really BAD.

What caught my eye about your post, Peter, was that we are using the
exact same NIC - Intel(R) PRO/1000 MT Dual Port Server Adapter. I
actually have Intel(R) PRO/1000 MT Dual Port Server Adapters installed
in 4 different machines on my network.

In my novice opinion, it seems to me that the problem stems not from
DNS being setup incorrectly, rather that the incorrect DNS entries are
the result of either the adapter team and/or VLAN not being setup
correctly or Windows 2003 not recognizing the adapter team or VLAN
correctly. I've setup teaming in other situations and never
experienced a problem.

Reason behind the Madness:
I'm starting to think it's just not possible but what I'm trying to do
is set the WSBS (i.e. the Forest Root) machine up utilizing 3 NIC's
(aka a Team of 2) instead of the suggested 2 NIC's. The documentation
for Windows Small Business Server 2003 states that the WSBS should be
setup (depending on your router config) with 2 NIC's, 1 hosting the
external connection to the Internet and the other hosting the internal
connection to the Intranet.

So if that's true why can't I use the built in NIC to host the
external business class cable connection and then configure the 2
ports of the Intel(R) PRO/1000 MT Dual Port Server Adapter as a single
Adaptive Load Balancing team using the Intel® PROSet for Wired
Connections software that comes with the Intel(R) PRO/1000 MT Dual
Port Server Adapter?

I'm using a LinkSys BEFW1S4 V2 Wireless Access Point Router setup to
Forward only certain TCP and UDP port traffic between an AMBIT Cable
Modem Router (Model Number: U10C012) and the WSBS on the external
interface as well as two TRENDnet TEG-S80TXE 8-Port 10/100/1000Mbps
Copper Gigabit Switches to connect the WSBS to the rest of the domain
servers and workstations on the Intranet. The idea being that this
provides a more secure environment since the fire wall on the AMBIT
Cable Modem Router is limited at best and my experience with ISA
Server was not a pleasant one.

I just migrated from SWBell DSL where I had 5 static IP's so it wasn't
a problem to setup internal and external interfaces on my DSL router
and still be able to assign an external IP address to one of the NIC
cards in the multi-homed Domain Controller.

In my current environment, Time Warner Road Runner Business Class only
provides 2 static public IP addresses (one for the gateway and one for
the Cable Modem Router) which leaves me wondering if I setup the
external interface on the WSBS correctly.

Currently I just setup inbound IP filters on the built in NIC (i.e.
what's functioning as the external interface) so that the NIC doesn't
accept traffic from any of the private IP addresses used on the
Intranet.

Possibly do I/we need to setup VLAN's so that the NIC's think they are
on separate subnets?

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