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New to routing: can't Web Browse to other side of router - BUT can see internet

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Dusty Harper {MS}

unread,
Mar 6, 2003, 6:53:02 PM3/6/03
to
192.168.2.1 in your setup is the LinkSys. Does it have any filters setup
that would block you from seeing it?

How about browsing to 192.168.2.2? This machine should receive an ICMP
redirect from the LinkSys stating that the 192.168.3.X network is better
reached via 192.168.2.200.

A route should get placed in the route table on 192.168.2.2 when this
happens.

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--
Dusty Harper
Microsoft Corporation
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"AJS" <drew_...@apitat.com> wrote in message
news:#cXEoZD5...@TK2MSFTNGP11.phx.gbl...
> Helle Everybody,
> I'm new to routing, so hopefully this is a way-newbie question with a
simple
> answer :)
> I have setup an Win2K Server RRAS router with 2 NICs. One NIC is internal,
> the other is "external". The external side of the router connects to a DSL
> router/firewall device on another subnet that I control. From my
"internal"
> subnet, I can reach internet sites. However, I cannot reach my "external"
> subnet via Web.
> Here are the specifics:
>
> Linksys Router
> Internal IP 192.168.2.1
>
> Win2K RRAS Router
> Internal IP 192.168.3.200 dg (NONE)
> External IP 192.168.2.200 dg 192.168.2.1
>
> Internal Host
> IP 192.168.3.2 dg 192.168.3.200
>
> External Host
> IP 192.168.2.2 dg 192.168.2.1
>
> The internal host can browse to internet sites, such as www.msn.com, but
> cannot browse to http://192.168.2.1. The external host can browse to
> internet sites. I have not tried browsing to the internal host from the
> external host.
> Any ideas?
> TIA,
> Drew
>
>
>
>


Dusty Harper {MS}

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Mar 6, 2003, 7:11:20 PM3/6/03
to
Ranges are not supported on the Special Ports. This was a decision made by
the fact that most people do not want to open large holes in a "security"
device. What you are trying to accomplish is most easily done using Netsh

NetSh Routing IP NAT Add PortMapping name="%InterfaceName%" proto=TCP
publicip=%PublicNATIP% publicport=6000 privateip=%ServerIP% privateport=6000

AJS

unread,
Apr 7, 2003, 2:28:56 PM4/7/03
to
Thanks for the suggestions.
I recieved a suggestion via email from Bill Grant which solved my problem:
I needed to add a static route on my linksys router back to my internal
network:
192.168.3.0 255.255.255.0 192.168.2.200
I think this is what you were suggesting Dusty, I just didn't understand
where to put the new route.
Once I made the change, I was able to browse from internal hosts to external
hosts.
Thanks!
Drew


"Dusty Harper {MS}" <DHa...@Online.Microsoft.com> wrote in message
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