Re: SBS 2003 + Linksys Modem/Router

Tech-Archive recommends: Repair Windows Errors & Optimize Windows Performance

From: Matt Trudewind[MSFT] (a-mattt_at_online.microsoft.com)
Date: 02/25/04


Date: Wed, 25 Feb 2004 14:33:39 GMT


--------------------
>From: ejoanett@hotmail.com (Evan Joanette)
>Newsgroups: microsoft.public.windows.server.sbs
>Subject: Re: SBS 2003 + Linksys Modem/Router
>Date: 24 Feb 2004 23:32:01 -0800
>Organization: http://groups.google.com
>"David Jones [MSFT]" <dajones@online.microsoft.com> wrote in message news:<uv8ToTx#DHA.1792
@TK2MSFTNGP12.phx.gbl>...
>
>> In order to have both Internet access, and access to the domain, all clients
>> need to have their DNS settings set to only use the SBS server - NOT the
>> router or the ISP.
>> On the SBS server, the CEICW wizard will ask for your ISP's DNS servers, and
>> it will configure your DNS server to allow the clients to get Internet
>> access as well.
>
>On our second attempt last night, we did in fact disable the router's
>DHCP (it's ON by default...that's what got us), and achieved better
>results.
>
>We directed the DNS server of the client's to the one provided by the
>ISP as and made the primary gateway the router's IP. We added our SBS
>as a second gateway. They seemed to work. BUT I'm much more keen to
>try the above solution as it doesn't involve changing the primary
>gateway.
>
>On a related note, my vote is to leave us physically connected the way
>we are with the server as a client on the router-shared network. The
>boss's idea is to pull the internet right into the server and use ICS
>to split the connection. The router's internet controls are good, but
>he says the ISA server is better.
>
>As for firewall, both the router and SBS have one right? So we
>shouldn't even need to consider the Norton Personal Firewall that came
>on the router's install disk?
>
>Any advice on these last two points?
>

Check out your routers documentation, but it probably does have a firewall built in. What version of SBS are you running? If
you have standard then it has RRAS NAT Basic Firewall. If you have premium then it has ISA as the firewall piece.

Also I don' see a reason why you couldn't have all your clients go through the SBS server. The do not have to be domain
members to get to the internet as long as you have your access settings correct.

Lastly if you want to use both devices then have your internet connection connected directly to your router, and your WAN
side NIC on the SBS box connected to your router. Then all internal clients could be connected to the same switch as the
SBS LAN side NIC. If you do this configuration you will probably be using NAT for both the WAN and LAN interface. Be
sure you set up some kind of IP forwarder on your Linksys Router to get to your internal SBS LAN. An example would be:

Route add 10.0.0.0 255.0.0.0.0 192.168.1.2 -p This assumes that your SBS LAN would be on the 10.x network and that your
SBS WAN nic would have the IP address 192.168.1.2.

Matt Trudewind
Microsoft Product Support Specialist
This posting is provided "AS IS" with no warranties, and confers no rights.



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