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Initial link outside subnet

Posted on 2012-03-19
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Last Modified: 2012-03-21
designAs the drawing, they will assign a ip 10.10.10.1, but since have more device, it may need a subnet as 172...., If network design like this, Can the remote side(10.10.10.100) initial a tcp link to a device(172.16.1.10) inside subnet directly.

Any suggestion, thanks.
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Question by:turbot_yu
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Expert Comment

by:abhishek1986
ID: 37740708
Yes. 10.10.10.100 can directly connect to the 172.16.1.10 network as long as they are connected and routed properly.
But I did not get why you need 172.16.x.x network for the design?
You can use 10.10.10.x IP Range as well.
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Author Comment

by:turbot_yu
ID: 37745790
Ip not enough, I can only get one ip.

May you give some detail suggestion where and how to set the router, thanks.
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Expert Comment

by:abhishek1986
ID: 37746041
First of all, if you can be clear on what you want to achieve, it will make things easy to explain.
Let us say that you have a router and two different networks, say 10.10.0.0/24 and 10.10.1.0/24.

So your Router needs one port to have a ip address of, say, 10.10.0.1 255.255.255.0 and another port with the address of 10.10.1.1 255.255.255.0.

Now both your networks are ready and you need to connect a switch and the clients to the router.

I can explain in details if you can explain the design.
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Author Comment

by:turbot_yu
ID: 37747133
If I set the big square as a router, then set 172.16.1.1 and 10.10.10.1 as 2 ip for the 2 interface with routing table ready.

But seems still not possible.

When 10.10.10.100 send out info and the target is 172.16.1.10, how will the package arrive there.

Thanks.
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abhishek1986 earned 500 total points
ID: 37748218
Now I get it.
Have you enabled routing in both the routers?
If they are Cisco routers try this: Router1 is the router with the IP Address of 10.10.10.1
Router1(config)# ip routing
Router1(config)# ip route 10.10.10.100 255.255.255.255 10.10.10.2    {Assuming only one machine is there}

Similarly, on Router2
Router2(config)# ip routing
Router2(config)# ip route 172.16.1.0  255.255.255.0 10.10.10.1

Hope it helps.
I am considering that there are 2 routers. If I am wrong, please correct me and tell me where is the 10.10.10.100 network connected and what is 10.10.10.2?
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