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NAT problem using Routing and Remote access

 
 
aconti
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      03-03-2009, 01:36 AM

Hello can someone help pls because I have configured NAT with one
network card as the internet interface with ip address 192.168.0.50
255.255.255.0 192.168.0.254 192.168.0.254 which is directly connected to
an always on router connected to the internet. The other interface is
set up as the intranet interface with ip address 192.168.3.1
255.255.255.0 configured also as a DHCP server on the 192.168.3.xx

The problem is that from another pc I can get the ip from the DHCP but
I cannot browse the internet and neither ping the 192.168.0.254

Any suggestions pls ?

the client ip address from dhcp are 192.168.3.102 255.255.255.0
192.168.3.1 192.168.3.1


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Newell White
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      03-03-2009, 08:27 AM

"aconti" wrote:

>
> Hello can someone help pls because I have configured NAT with one
> network card as the internet interface with ip address 192.168.0.50
> 255.255.255.0 192.168.0.254 192.168.0.254 which is directly connected to
> an always on router connected to the internet. The other interface is
> set up as the intranet interface with ip address 192.168.3.1
> 255.255.255.0 configured also as a DHCP server on the 192.168.3.xx
>
> The problem is that from another pc I can get the ip from the DHCP but
> I cannot browse the internet and neither ping the 192.168.0.254
>
> Any suggestions pls ?
>
> the client ip address from dhcp are 192.168.3.102 255.255.255.0
> 192.168.3.1 192.168.3.1
>
>
> --
> aconti
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When you ping 192.168.0.254 from a DHCP client does it fail with time-out,
or "destination host unreachable"?

What is result of "route print" command on that client?

The RRAS server with 2 NICs should not be a DC, search for "double homed"
+"windows dc" for voluminous info on this.
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aconti
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      03-04-2009, 01:54 AM

Hello now I have changed the setup as how I was setup it was too muc
confusing and not the way how it is supposed to be.

Now I have setup a demand dial interface PPOE and have set it up as th
Public interface connected to the internet. I am able to connect but i
did not add automatically the default route to the pc routing table an
had to add it manually. After addding the default route manually I wa
able to browse the internet from the same pc. Now tomorrow I will ad
another nic card to set it up as the Private Interface connected to th
private network and check if from the directly connected pc I will b
able to browse the internet using NAT. At the moment under Routing an
Remoter Acces, IPV4 and NAT all I have is the Demand Dial Interface an
another interface named Internal which I do not now if I can delete o
not. Tomorrow I will add the nic card connected to the internal networ
and hopefully it will work. Any information or correction i
appriciated

Thank yo

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Bill Grant
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      03-04-2009, 11:09 PM
Don't worry about the internal interface. It has nothing to do with NAT.
It is used as the connection point for remote access clients (RAS or VPN).

"aconti" <(E-Mail Removed)> wrote in message
news:(E-Mail Removed)...
>
> Hello now I have changed the setup as how I was setup it was too much
> confusing and not the way how it is supposed to be.
>
> Now I have setup a demand dial interface PPOE and have set it up as the
> Public interface connected to the internet. I am able to connect but it
> did not add automatically the default route to the pc routing table and
> had to add it manually. After addding the default route manually I was
> able to browse the internet from the same pc. Now tomorrow I will add
> another nic card to set it up as the Private Interface connected to the
> private network and check if from the directly connected pc I will be
> able to browse the internet using NAT. At the moment under Routing and
> Remoter Acces, IPV4 and NAT all I have is the Demand Dial Interface and
> another interface named Internal which I do not now if I can delete or
> not. Tomorrow I will add the nic card connected to the internal network
> and hopefully it will work. Any information or correction is
> appriciated
>
> Thank you
>
>
> --
> aconti
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> aconti's Profile: http://forums.techarena.in/members/aconti.htm
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aconti
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      03-05-2009, 01:20 AM

ok it worked fine the only thing wrong is that the PPOE connection onc
established it only gives me a public ip address with a subnet o
255.255.255.255 we an empty gateway, for this reason I think that
default route is not being created and it does not appear whn I typ
route print from the pc.

Any idea on how this can automatically be added to the routing tabl
since the ip will change daily

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Bill Grant
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      03-05-2009, 05:12 AM


"aconti" <(E-Mail Removed)> wrote in message
news:(E-Mail Removed)...
>
> ok it worked fine the only thing wrong is that the PPOE connection once
> established it only gives me a public ip address with a subnet of
> 255.255.255.255 we an empty gateway, for this reason I think that a
> default route is not being created and it does not appear whn I type
> route print from the pc.
>
> Any idea on how this can automatically be added to the routing table
> since the ip will change daily.
>
>
> --
> aconti
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What more do you want it to do? If the server has a PPPoE connection to
your ISP, you do not need to know or care what that address is. It is simply
an Internet connection. It does not need a default gateway because it has a
point-to-point connection to your ISP.

NAT will allow other machines on the network to share that connection. They
do not need to know what its address is or what routes it has. If the server
can reach the Internet, NAT will allow LAN machines to reach the Internet.

 
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aconti
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      03-05-2009, 11:36 PM

What I need it to do is very simple, I need that once the ppo
connection is established I am able to browse the internet. This is no
happening since as I explained the default route is not being create
automatically for some reason or another. I have to manually enter rout
add 0.0.0.0 mask 0.0.0.0 public_ip_address

Understand my poin

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Bill Grant
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      03-06-2009, 03:39 AM


"aconti" <(E-Mail Removed)> wrote in message
news:(E-Mail Removed)...
>
> What I need it to do is very simple, I need that once the ppoe
> connection is established I am able to browse the internet. This is not
> happening since as I explained the default route is not being created
> automatically for some reason or another. I have to manually enter route
> add 0.0.0.0 mask 0.0.0.0 public_ip_address
>
> Understand my point
>
>
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Set up a demand-dial interface to establish the PPPoE connection. Link
your static route to the dd interface using the New Static Route wizard. It
will be applied when you connect.

In NAT, use the demand-dial interface as the public interface connected
to the Internet.

 
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