How many NIC do I need to set up VON server for windows 2003?

Hi all,

I already setup a VPN at the windows 2003 server with one NIC.
My IP range is 192.168.1.X and the server IP is 192.168.1.2
The gate way which is the DSL router is 192.168.1.1
I can connect remotly from other network to this local network.
However, the server keep showing the errors for network IP address conflict.
Which is 192.168.1.2 and 192.168.1.58 Both are using for the VPN server.
Is this IP conflict with effect anything at all, but I am able to connect to
the VPN server now. I am not sure I set this VPN server right.
Do I need 2 NIC for the vpn server setup for windows 2003?
If yes, what IP address should I assign for the second NIC then?
Can anyone please explain step by step for me.
I am very new for this. Thank you.

Sara

No, you do not need another NIC. The VPN connection is made to a
"virtual" interface, which you can see in the RRAS MMC with the name
"internal".

How does the RRAS server get the addresses it uses for remote clients?
Have you left it at the default option (to use DHCP) or have you given it a
pool of addresses to use? Note that the RRAS server itself will also get an
extra IP for the internal interface.

Sara wrote:
> Hi all,
>
> I already setup a VPN at the windows 2003 server with one NIC.
> My IP range is 192.168.1.X and the server IP is 192.168.1.2
> The gate way which is the DSL router is 192.168.1.1
> I can connect remotly from other network to this local network.
> However, the server keep showing the errors for network IP address
> conflict. Which is 192.168.1.2 and 192.168.1.58 Both are using for
> the VPN server.
> Is this IP conflict with effect anything at all, but I am able to
> connect to the VPN server now. I am not sure I set this VPN server
> right.
> Do I need 2 NIC for the vpn server setup for windows 2003?
> If yes, what IP address should I assign for the second NIC then?
> Can anyone please explain step by step for me.
> I am very new for this. Thank you.
>
> Sara

Yes, I am using a DHCP. How can I conflict that with a pool of address? Since
I can only chose configure RAS manually when I setup VPN on windows 2003. The
RRAS server get an IP for internal interface, but then on the event view will
keep telling you that IP conflict, since that's 2 IP address the server will
used on the same subnet. When I type nbtstat -n and I can see the server is
using 2 IP address.
Can i just ignore that msg or what should I do then??


>
> How does the RRAS server get the addresses it uses for remote clients?
> Have you left it at the default option (to use DHCP) or have you given it a
> pool of addresses to use? Note that the RRAS server itself will also get an
> extra IP for the internal interface.
>
> Sara wrote:
> > Hi all,
> >
> > I already setup a VPN at the windows 2003 server with one NIC.
> > My IP range is 192.168.1.X and the server IP is 192.168.1.2
> > The gate way which is the DSL router is 192.168.1.1
> > I can connect remotly from other network to this local network.
> > However, the server keep showing the errors for network IP address
> > conflict. Which is 192.168.1.2 and 192.168.1.58 Both are using for
> > the VPN server.
> > Is this IP conflict with effect anything at all, but I am able to
> > connect to the VPN server now. I am not sure I set this VPN server
> > right.
> > Do I need 2 NIC for the vpn server setup for windows 2003?
> > If yes, what IP address should I assign for the second NIC then?
> > Can anyone please explain step by step for me.
> > I am very new for this. Thank you.
> >
> > Sara
>
>
>

That should not cause an IP conflict message. An IP conflict is when two
interfaces on the network have the same IP address. This should not happen
if all the machines are using DHCP.

If it is just warning message about the server having two IPs in the
same subnet, you can ignore it in this case. RRAS can handle that situation.

Sara wrote:
> Yes, I am using a DHCP. How can I conflict that with a pool of
> address? Since I can only chose configure RAS manually when I setup
> VPN on windows 2003. The RRAS server get an IP for internal
> interface, but then on the event view will keep telling you that IP
> conflict, since that's 2 IP address the server will used on the same
> subnet. When I type nbtstat -n and I can see the server is using 2 IP
> address.
> Can i just ignore that msg or what should I do then??
>
>
>>
>> How does the RRAS server get the addresses it uses for remote
>> clients? Have you left it at the default option (to use DHCP) or
>> have you given it a pool of addresses to use? Note that the RRAS
>> server itself will also get an extra IP for the internal interface.
>>
>> Sara wrote:
>>> Hi all,
>>>
>>> I already setup a VPN at the windows 2003 server with one NIC.
>>> My IP range is 192.168.1.X and the server IP is 192.168.1.2
>>> The gate way which is the DSL router is 192.168.1.1
>>> I can connect remotly from other network to this local network.
>>> However, the server keep showing the errors for network IP address
>>> conflict. Which is 192.168.1.2 and 192.168.1.58 Both are using for
>>> the VPN server.
>>> Is this IP conflict with effect anything at all, but I am able to
>>> connect to the VPN server now. I am not sure I set this VPN server
>>> right.
>>> Do I need 2 NIC for the vpn server setup for windows 2003?
>>> If yes, what IP address should I assign for the second NIC then?
>>> Can anyone please explain step by step for me.
>>> I am very new for this. Thank you.
>>>
>>> Sara

Oh yes. My bad. That's not IP address conflict. It is the Netbios name
conflict.
It said duplicate name has been detected. Event view is 4319. Do I need to
ignore that ? but it is an error at event view log tho.

"Bill Grant" wrote:

> That should not cause an IP conflict message. An IP conflict is when two
> interfaces on the network have the same IP address. This should not happen
> if all the machines are using DHCP.
>
> If it is just warning message about the server having two IPs in the
> same subnet, you can ignore it in this case. RRAS can handle that situation.
>
> Sara wrote:
> > Yes, I am using a DHCP. How can I conflict that with a pool of
> > address? Since I can only chose configure RAS manually when I setup
> > VPN on windows 2003. The RRAS server get an IP for internal
> > interface, but then on the event view will keep telling you that IP
> > conflict, since that's 2 IP address the server will used on the same
> > subnet. When I type nbtstat -n and I can see the server is using 2 IP
> > address.
> > Can i just ignore that msg or what should I do then??
> >
> >
> >>
> >> How does the RRAS server get the addresses it uses for remote
> >> clients? Have you left it at the default option (to use DHCP) or
> >> have you given it a pool of addresses to use? Note that the RRAS
> >> server itself will also get an extra IP for the internal interface.
> >>
> >> Sara wrote:
> >>> Hi all,
> >>>
> >>> I already setup a VPN at the windows 2003 server with one NIC.
> >>> My IP range is 192.168.1.X and the server IP is 192.168.1.2
> >>> The gate way which is the DSL router is 192.168.1.1
> >>> I can connect remotly from other network to this local network.
> >>> However, the server keep showing the errors for network IP address
> >>> conflict. Which is 192.168.1.2 and 192.168.1.58 Both are using for
> >>> the VPN server.
> >>> Is this IP conflict with effect anything at all, but I am able to
> >>> connect to the VPN server now. I am not sure I set this VPN server
> >>> right.
> >>> Do I need 2 NIC for the vpn server setup for windows 2003?
> >>> If yes, what IP address should I assign for the second NIC then?
> >>> Can anyone please explain step by step for me.
> >>> I am very new for this. Thank you.
> >>>
> >>> Sara
>
>
>

That could cause you problems. You can disable Netbios over TCP/IP on
the internal interface. See the section near the end of KB292822.

Sara wrote:
> Oh yes. My bad. That's not IP address conflict. It is the Netbios name
> conflict.
> It said duplicate name has been detected. Event view is 4319. Do I
> need to ignore that ? but it is an error at event view log tho.
>
> "Bill Grant" wrote:
>
>> That should not cause an IP conflict message. An IP conflict is
>> when two interfaces on the network have the same IP address. This
>> should not happen if all the machines are using DHCP.
>>
>> If it is just warning message about the server having two IPs in
>> the same subnet, you can ignore it in this case. RRAS can handle
>> that situation.
>>
>> Sara wrote:
>>> Yes, I am using a DHCP. How can I conflict that with a pool of
>>> address? Since I can only chose configure RAS manually when I setup
>>> VPN on windows 2003. The RRAS server get an IP for internal
>>> interface, but then on the event view will keep telling you that IP
>>> conflict, since that's 2 IP address the server will used on the same
>>> subnet. When I type nbtstat -n and I can see the server is using 2
>>> IP address.
>>> Can i just ignore that msg or what should I do then??
>>>
>>>
>>>>
>>>> How does the RRAS server get the addresses it uses for remote
>>>> clients? Have you left it at the default option (to use DHCP) or
>>>> have you given it a pool of addresses to use? Note that the RRAS
>>>> server itself will also get an extra IP for the internal interface.
>>>>
>>>> Sara wrote:
>>>>> Hi all,
>>>>>
>>>>> I already setup a VPN at the windows 2003 server with one NIC.
>>>>> My IP range is 192.168.1.X and the server IP is 192.168.1.2
>>>>> The gate way which is the DSL router is 192.168.1.1
>>>>> I can connect remotly from other network to this local network.
>>>>> However, the server keep showing the errors for network IP address
>>>>> conflict. Which is 192.168.1.2 and 192.168.1.58 Both are using for
>>>>> the VPN server.
>>>>> Is this IP conflict with effect anything at all, but I am able to
>>>>> connect to the VPN server now. I am not sure I set this VPN server
>>>>> right.
>>>>> Do I need 2 NIC for the vpn server setup for windows 2003?
>>>>> If yes, what IP address should I assign for the second NIC then?
>>>>> Can anyone please explain step by step for me.
>>>>> I am very new for this. Thank you.
>>>>>
>>>>> Sara