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Two adapters on same IP Range and Subnet

Posted on 2003-03-18
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Last Modified: 2008-02-01
Hi

Can anyone suggest a solution to this scenario on XP:

I have ICS enabled on NIC with IP 192.168.0.1 then I have a Wireless adaptor with IP 192.168.0.2 and then a notebook with IP 192.168.0.3 that should connect to 192.168.0.2 and then use 192.168.0.1 to connect to net via ICS. Also maybe 192.168.0.3 should get IP from ICS-DHCP running on 192.168.0.1, so ideally 192.168.0.2 should just act as a gateway to 192.168.0.1 They are all running on subnet 255.255.255.0

Any ideas except using bridging?
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Question by:jaqkar
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GrindCrusher earned 200 total points
ID: 8161409
On your wireless connection you need to have the network ID changed. The problem is you are tyring to put both desktop nics on the same network, example to use:

Desktop:
NIC 1
IP: 192.168.0.1
Mask: 255.255.255.0
Gateway: 192.168.0.254

NIC 2
IP: 192.168.1.1
MASK: 255.255.255.0


Laptop:

IP: 192.168.1.2
MASK: 255.255.255.0
Gateway: 192.168.1.1

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Author Comment

by:jaqkar
ID: 8187250
I made some changes to my system and now need some solution again.

PC1 is Gateway running ICS on XP with IP 192.168.0.1 (Sub 255.255.255.0)connected to NIC (Net access via USB-ADSL)

PC2 Desktop is connected with IP 192.168.0.2 to NIC and default gateway is 192.168.0.1 this part works fine. The pc also has wireless adaptor with IP 192.168.1.1.

Notebook has wireless on IP 192.168.1.2 (Can ping 192.168.1.1) but cannot ping 192.168.0.1 (ICS machine)

So it cannot access the net via 192.168.1.1 machine that goes to 192.168.0.1

What can I do?
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Expert Comment

by:GrindCrusher
ID: 8197123
IP address 192.168.1.2 would not be able to ping 192.168.0.1 because it is on a differnat network ( If you are using a subnet mask of 255.255.255.0)
If I understand your physical topology correctly than it should look something like this:

                  Desktop1:
                  NIC 1
                  IP: 192.168.0.1
                  Mask: 255.255.255.0
                  Gateway: 192.168.0.254

                  NIC 2
                  IP: 192.168.1.1
                  MASK: 255.255.255.0

                < SWITCH OR HUB > (Switch is better)

Desktop2:                        Laptop:
IP: 192.168.1.3                  IP: 192.168.1.2
Mask: 255.255.255.0              MASK: 255.255.255.0
Gateway: 192.168.1.1             Gateway: 192.168.1.1









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