Hi all....
In summary, I have configured a Windows 2003 Server machine with "Routing and Remote Access"
but client computers cannot connect to Internet.
Ths is a simplified scenario:
.- Windows Server 2003 configured as Domain Controller, DNS, Active
Directory and DHCP Server. This server has 2 NIC's. One connects to a DSL
modem (let's say NIC A from now on) and the other to a hub (let's say NIC B
from now on).
.- One client computer with Windows 2000 Professional with 1 NIC connected
to the hub.
The configuration I set for each computer is as follows:
1) Server
- Name: WEBSERVER
- Windows 2003 Server, Standard Edition acting as DC, DNS, DHCP Server and
Active Directory
- Software Installed: Exchange server
- NIC A (that connects to the DSL modem) is assigned static IP 10.0.0.1,
automatic DNS and no gateway
- NIC B (that connects to the hub) is assigned static IP 192.168.1.1,
automatic DNS and no gateway.
- Internet connection correctly established. That network connection is set
to have automatic addressing, automatic DNS and no gateway. When I run
IPCONFIG, it shows that IP, gateway and DNS are assigned correctly by my ISP.
- I used the "Routing and Remote Access" wizard to configure the server. I
chose VPN and NAT radio button, and then I chose NIC A adapter
- In DNS console, I added my ISP DNS in the forwarder, so that when an
address is not resolved by this server, it will be redirected to my ISP DNS
servers
2) Client computer
- Name: CAROLINA
- Windows 2000 professional
- NIC connected to the hub and automatic IP addressing, automatic DNS and no
gateway.
- When I ping WEBSERVER, it delays some time to resolve the IP but it
finally resolves to the correct one: 192.168.1.1 and PING is successful.
- When I ping an Internet site, for example,
www.google.cl, it cannot
resolve the name.
- I can connect to WEBSERVER, by using either "My Network places" or "Terminal Service Client"
In conclusion, LAN works but it cannot connect to Internet through the server.
What may be wrong with this configuration?
Additionally I tell you that I have read a lot of documents on Internet, specially technical white papers in Microsoft Web Site. I have done all the documents say, I have followed all step-by-step instructions but I could never make my LAN clients to connect to Internet through the Windows 2003 Server computer. That's why, as a last resource, I posted the question here.
I have told that I have 2 NIC's in the server, I assigned to the one that connects to the DSL modem the static IP 10.0.0.1 and to the one that connects to the LAN the IP 192.168.1.1. Is that correct? I can think that I have 2 different networks so the only problem I think I have to resolve is how to make the LAN NIC to send the packets it receives from the LAN to the DSL NIC so that it can send them to the DSL modem.
In "Routing and Remote Access" I have added both NICS. How can I configure filters (or routing) in this case? Do I need to have a Routing Policy? the wizard has added one by default (I used VPN and NAT option when the wizard asked me), is this sufficient?
One of the document I have read says that when I have configured a VPN network, LAN clients computers can connect to other computers in the LAN or to the Internet, but not to both. Is that true? When I run the wizard, the VPN and NAT option label says that it is for connecting LAN client computers to Internet, but after the wizard finished, the LAN work perfectly, but it cannot connect to Internet.
Thanks a lot in advance
Jaime
