Re: Routing through a Win2K Server

Tech Tip: Click here to run a free scan for Windows Errors and optimize PC performance



As Bob said, the simplest option is to enable NAT on the RRAS
router.

Without NAT you don't have enough routing info. And you can't fix it by
changing things at the RRAS router. The problem is at the Internet router.

The Internet router only knows about the 192.168.1 subnet. It has no
idea where the 192.168.0 subnet is. Because it doesn't know where it is, it
sends traffic for 192.168.0 to its default gateway (which sends it out to
the Internet where it gets dropped).

With NAT on the RRAS router, all traffic from the 192.168.0 subnet uses
the server's 192.168.1 address, so the Internet router knows where to send
it. Without NAT, you would need extra routing on the Linksys to tell it
where to send traffic for 192.168.0 ie

192.168.0.0 255.255.255.0 192.168.1.60

"Robert L [MS-MVP]" <noreply@xxxxxxxxxxx> wrote in message
news:exjms59tFHA.3528@xxxxxxxxxxxxxxxxxxxxxxx
that web site has how to configure NAT.

nat and firewall How to configure 2000/2003 NAT services and ports NAT
server can assign IP No one can access our website behind NAT Server can
access the Internet but not ...
www.chicagotech.net/nat.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
"Tonymax" <Tonymax@xxxxxxxxxxxxxxxxxxxxxxxxx> wrote in message
news:064E9EA6-029E-4A96-9236-26433E403A35@xxxxxxxxxxxxxxxx
lol! You can't assume anything with me, I know NOTHING! I did find NAT in
my
RRAS console, but I thought that was just for translating alphanumeric
urls
into actual IP addresses.

So how do I go about setting this up?


--
Tony Peterle
Certified IT rookie


"Robert L [MS-MVP]" wrote:

> I am assuming you also enabled the NAT so that the lower part can access
the upper part and internet but no another way. So, check the NAT settings.
>
> nat and firewall
> In the Select Routing Protocol dialog box, click NAT/Firewall, and then
click OK.
> .... NAT/Firewall blocks the client accessing the Internet. ...
> www.chicagotech.net/nat.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
> "Tonymax" <Tonymax@xxxxxxxxxxxxxxxxxxxxxxxxx> wrote in message
news:7063344C-67C3-4D4C-B1D4-EF0467B7E40C@xxxxxxxxxxxxxxxx
> I am a relative newbie to IT, although I think I can grasp it fairly
well,
> I'm having trouble with getting my two NICs in my win2K server to talk
to
> each other.
>
> Here's the setup (we're talking VERY simple here!)
>
> DSLmodem (fixed, public IP)
> l
> l
> Linksys Router (makes the PPPoE Connection, all ports forwarded to
server)
> 192.168.1.1 (DHCP enabled, range .20 to .39)
> 255.255.255.0 l
> l l
> l l
> 192.168.1.60 192.168.1.20 to .39
> 255.255.255.0 255.255.255.0
> Win2KServer Other computers in office
> First (built in) NIC
> l
> Second NIC
> 192.168.0.1
> 255.255.255.0
> l
> l
> Other equipment with web pages, fixed IPs from 192.168.0.205 to 213
>
>
> The computers hooked up to the Linksys are fine, and I can hit the
first NIC
> of the server from inside or outside the Linksys (we want our server
to host
> a small public website with connectivity to the equipment connected to
the
> second NIC). I can get to the equipment on the second NIC with port
> forwarding, but only on specific ports. I cannot ping the second NIC
or any
> of the euipment connected to it from anywhere on the upper part of the
> network. Yet if I connect a computer on the lower part of the network,
I can
> access the Internet fine.
>
> I have RRAS enabled, even checked the IPRouterEnable in my registry to
make
> sure it was set to 1. I've tried adding secong (virtual) IP addresses
to both
> NICs in each others subnets, I've tried to establish an IP tunnel
between the
> two, I've tried Active Directory and adding RIP to the first NIC, even
tried
> setting the whole thing up as a domain controller. No go.
>
> I've played some with the static routes, but I really don't know what
I'm
> doing, and I can't seem to find the answers anywhere in the Help menus
or in
> any of the books I've read.
>
> What am I missing here? why won't the two NICs swap some packets so I
can
> hit that 192.168.0.x subnet from the 192.168.1.x subnet?
>
> Sorry to be such an idiot, this is all pretty new to me!
>
> Tony
>
> --
> Tony Peterle
> Certified IT rookie


.



Relevant Pages

  • Re: moved a working network, now it doesnt work
    ... router I can ping the internet with no problem. ... From one of your Linux machines can you ping the FA 0/1 interface (default ... are NOT natting so if CAN ping from the router, ...
    (comp.dcom.sys.cisco)
  • Re: Routing with iproute2
    ... via an ADSL modem/router that is acting like a router. ... Doesn't your router do NAT? ... internet routable subnet, they can't. ...
    (uk.comp.os.linux)
  • Re: Workstations cant browse the Internet
    ... I think the confusion is resulting from the fact that in Windows NAT ... AND NAT must be enabled on the router. ... Simply enable routing on the server. ... > routing.The two NICs are both enabled. ...
    (microsoft.public.windows.server.networking)
  • Re: router help needed ....urgent
    ... now what i need is that all my traffic for internet ... >> routing or PBR on cisco, ... If both links are to the same ISP router then you can use BGP ... Why not just put the 2 internet feeds into a hub/switch and connect the router by 1 ethernet port and use IP routing and NAT to determine the best route to use. ...
    (comp.dcom.sys.cisco)
  • Re: Cable Vs. DSL
    ... Well, its likely that he is using a Linksys or D-link NAT enabled router, ... >>is what the clients are seen to have from the internet. ... >security measure, it's merely a way to broaden the available address ...
    (Security-Basics)