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Configure a computer for 2 Default Gateways

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Last Modified: 2014-12-10
In the scenario where I need a computer to have 2 Default Gateways , how should I  configure the computer to achieve this goal.
I know that there is Route Add command in windows that can add a second DG to the computer. However in large environment, is Adding Route to computers is done manually or through a script or it is a configuration done through a router ?

in the topology below, assuming computer C1 is configure with DG of R1 interface but it  also needs to reach Network 192.168.10.0.

How is this done ?

Thank you
dg
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Neil RussellTechnical Development Lead
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Don Johnston

If I understand:
 ICMP redirect is enabled by default on Cisco routers, the issue should not have happened at first place.  Correct ?
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Qlemo"Batchelor", Developer and EE Topic Advisor
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Commented:
SW1 is L2.
I believe if SW1 was L3  then routing should have occured just there...
Don JohnstonInstructor
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I agree , C1 exiting Default Gateway or added DG through Route command,  should always be on the same subnet as the computer subnet.
Don JohnstonInstructor
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It is made up scenario....just trying to understand the usage of Route Add command in windows.
I agree the subnets are wrong...

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Commented:
Thank you Guys!
Don JohnstonInstructor
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Okay, but if the underlying network is invalid then the concepts will be invalid as well.
Qlemo"Batchelor", Developer and EE Topic Advisor
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No doubt, Don.
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