help me understand

[Guest Brad]

I have a small office with one server 2003 running as the Domain Controller

and DHCP and routing services. It is currently multihomed and works just

fine. The layout is:

 

internet -> linksys router -> Server (external nic) -> Internal Nic (server)

-> switch -> Client PCs and printers.

 

I've been reading that multihomed DC's are not a good idea.

 

If I change my network to be non-multihomed, what handles all of the

routing. Say I want to RDP into each client PC, the PCs are getting their IP

address from the DC since it is a DHCP server, the linksys won't know the

client IP address. So does the Linksys pass the external requests to the

server, then the server passes the requests to the client PC.

 

In my mind, the server is no longer "in charge" if it doesn't have the

direct connection between the router and the internal network.

 

The client PC's have their DNS pointing to the server.

 

Any guideance is appreciated.

[Guest Pegasus \(MVP\)]

Re: help me understand

 

 

"Brad" <Brad@discussions.microsoft.com> wrote in message

news:C9EFCD14-3B7A-48E0-BC58-529A108734AA@microsoft.com...

>I have a small office with one server 2003 running as the Domain Controller

> and DHCP and routing services. It is currently multihomed and works just

> fine. The layout is:

>

> internet -> linksys router -> Server (external nic) -> Internal Nic

> (server)

> -> switch -> Client PCs and printers.

>

> I've been reading that multihomed DC's are not a good idea.

>

> If I change my network to be non-multihomed, what handles all of the

> routing. Say I want to RDP into each client PC, the PCs are getting their

> IP

> address from the DC since it is a DHCP server, the linksys won't know the

> client IP address. So does the Linksys pass the external requests to the

> server, then the server passes the requests to the client PC.

>

> In my mind, the server is no longer "in charge" if it doesn't have the

> direct connection between the router and the internal network.

>

> The client PC's have their DNS pointing to the server.

>

> Any guideance is appreciated.

 

Here are a couple of ways to launch Remote Desktop sessions

on internal PCs:

 

a) By setting up a VPN. The RDP client will then behave as if it

was connected to the internal network, which will enable it to

reach the RDP host by its NetBIOS name.

 

b) By assigning fixed internal IP addresses and individual RDP

port addresses, e.g. like so

PC10 192.168.55.10 Port 19010

PC11 192.168.55.11 Port 19011

PC19 192.168.55.19 Port 19019

You need to create one tunnel for each PC in your router/

firewall. You also need to modify this registry location on

each RDP host to set the desired port number. It is set to

3389 by default:

HKLM\System\CurrentControlSet\Control\TerminalServer\WinStations\RDP-Tcp\PortNumber

Remember to reboot the PC after making the change.

On the RDP client you must use this command:

mstsc /v:aaa.bbb.ccc.ddd:19010

where aaa.bbb.ccc.ddd is the external IP address of the

RDP host and 19010 is the chosen port number.

[Guest Robert L [MVP - Networking]]

Re: help me understand

 

Correct, it is not recommended to use DC as a router or running on a multihomed computer. What you can do is setup switch between the router and the network. Setup DNS and DHCP on the DC. If all computers and router are in the same subnet. you should be fine.

 

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

"Brad" <Brad@discussions.microsoft.com> wrote in message news:C9EFCD14-3B7A-48E0-BC58-529A108734AA@microsoft.com...

I have a small office with one server 2003 running as the Domain Controller

and DHCP and routing services. It is currently multihomed and works just

fine. The layout is:

 

internet -> linksys router -> Server (external nic) -> Internal Nic (server)

-> switch -> Client PCs and printers.

 

I've been reading that multihomed DC's are not a good idea.

 

If I change my network to be non-multihomed, what handles all of the

routing. Say I want to RDP into each client PC, the PCs are getting their IP

address from the DC since it is a DHCP server, the linksys won't know the

client IP address. So does the Linksys pass the external requests to the

server, then the server passes the requests to the client PC.

 

In my mind, the server is no longer "in charge" if it doesn't have the

direct connection between the router and the internal network.

 

The client PC's have their DNS pointing to the server.

 

Any guideance is appreciated.