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W2K3 as a LAN Router Help???

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  #1  
Old 01-30-2006, 01:57 PM
Default W2K3 as a LAN Router Help???



Hello,
I'm sure this question has been asked a thousand times but I can't seem to
find an article on it. I have a w2k3 server w/ 2 nics. Each nic is on a
seperate network. Network 1 has internet and network 2 does not. I'm trying
to setup the routing and remote access on the w2k3 server to allow network 2
to access the internet through it. This was a snap w/ w2k but in w2k3 I can't
get it to work. Network 2 can see and ping the second nic on the server and
can even access it from a filesharing standpoint but no internet. DNS is
config'd on the server and it has no problem getting to the internet. Any
suggestions or tech notes?

Mr Joe
--
Mr Joe says "Bad Dog"


Mr Joe
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  #2  
Old 01-30-2006, 04:39 PM
Robert L [MS-MVP]
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Default Re: W2K3 as a LAN Router Help???

assuming you cannot ping a public IP from network 2, make sure you assign default gateway to the network1 only. or post the result of ipconfig /all here. This step bys step how to setup windows 2003 as router may help,

How to setup vpn on 2003 as router How to setup VPN and NAT on Windows Server 2003 as a router. Pre-requirement:. 1. Two network interface cards. 2. One static public IP on the outside NIC. ...
www.howtonetworking.com/VPN/2003vpn1.htm


Bob Lin, MS-MVP, MCSE & CNE
Networking, Internet, Routing, VPN Troubleshooting on http://www.ChicagoTech.net
How to Setup Windows, Network, VPN & Remote Access on http://www.HowToNetworking.com
"Mr Joe" <(E-Mail Removed)> wrote in message news:1CBFA20B-18CD-459C-AE92-(E-Mail Removed)...
Hello,
I'm sure this question has been asked a thousand times but I can't seem to
find an article on it. I have a w2k3 server w/ 2 nics. Each nic is on a
seperate network. Network 1 has internet and network 2 does not. I'm trying
to setup the routing and remote access on the w2k3 server to allow network 2
to access the internet through it. This was a snap w/ w2k but in w2k3 I can't
get it to work. Network 2 can see and ping the second nic on the server and
can even access it from a filesharing standpoint but no internet. DNS is
config'd on the server and it has no problem getting to the internet. Any
suggestions or tech notes?

Mr Joe
--
Mr Joe says "Bad Dog"
Reply With Quote
  #3  
Old 01-30-2006, 07:05 PM
Doug Sherman [MVP]
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Posts: n/a
Default Re: W2K3 as a LAN Router Help???

As Robert points out, you must correctly configure default gateways on both
the server and the network 2 clients. Also:

1. You must enable LAN routing on the server - use the RRAS console or edit
the registry:

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Servic es\Tcpip\Parameters

set IPEnableRouter to 1.

2. You must configure a static router on the Network 1 router which points
to the Server's Network 1 IP in order to reach network 2. How you do this
is product specific. If the Network1 router is a multihomed Windows
machine, the command is:

route -p add <Network2 - eg. 192.168.1.0> MASK <subnet mask for Network2>
<IPofServer'sNetwork1NIC>

Doug Sherman
MCSE, MCSA, MCP+I, MVP

"Mr Joe" <(E-Mail Removed)> wrote in message
news:1CBFA20B-18CD-459C-AE92-(E-Mail Removed)...
> Hello,
> I'm sure this question has been asked a thousand times but I can't seem

to
> find an article on it. I have a w2k3 server w/ 2 nics. Each nic is on a
> seperate network. Network 1 has internet and network 2 does not. I'm

trying
> to setup the routing and remote access on the w2k3 server to allow network

2
> to access the internet through it. This was a snap w/ w2k but in w2k3 I

can't
> get it to work. Network 2 can see and ping the second nic on the server

and
> can even access it from a filesharing standpoint but no internet. DNS is
> config'd on the server and it has no problem getting to the internet. Any
> suggestions or tech notes?
>
> Mr Joe
> --
> Mr Joe says "Bad Dog"



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