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FTP through a separate Internet connection

Posted on 2010-11-15
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Last Modified: 2012-06-21

What I am trying to do is to have a second connection to the Internet to use for FTP file transfers.  

The main corporate router connects to the internet through a T1 connection.  This router is owned by ATT so I would rather not make configuration changes to it.

Email, internet browsing, access to corporate servers will all go through the corporate router.  Only FTP will go through the DSL connection.

Workstations from subnet 1 will need to access the DSL connection to send and receive FTP files.

What I wanted to do was to add a DSL line and a second router.  This way the FTP transfers will have more bandwidth and will not slow down the corporate network.

Tell me if this makes sense:

Because you can only have one default gateway and therefore only one internet connection per subnet you need to put the second Internet connection on a separate subnet.

Workstation 2 will be on subnet 2 (DMZ) on the DSL router.

To make a file transfer from workstations on the main LAN you could do a remote desktop connection to workstation 2 which would do the actual file transfer.

Is there a simpler or more direct way to do this?

 Omega-topology.htm

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Question by:Jayfo
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Author Comment

by:Jayfo
ID: 34137478
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by:Jayfo
ID: 34137541
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Author Comment

by:Jayfo
ID: 34139180
Here is a jpeg.  Sorry for all the versions Network topology
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Assisted Solution

by:brendanmeyer
brendanmeyer earned 250 total points
ID: 34140087
you could set a SOCKS proxy up on workstation 2
then have all the ftp clients set to use that proxy.

the workstations on the main subnet will have to be able to access subnet 2

the default gateway of workstation 2 is the DSL router
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Assisted Solution

by:adam_merritt
adam_merritt earned 250 total points
ID: 34143845
If you have a layer 3 switch as your engineering switch  , you can set up policy based routing which will allow you to dynamically route FTP traffic through the ADSL subnet and everything else via your T1 connection via the switch , this will involve a bit of config work but it will also give you resiliency if you ever decide to use your DSL as backup as well.

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Accepted Solution

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Jayfo earned 0 total points
ID: 34145005
Thanks for the comments.  I am going to look into both of these methods.  

If I may pursue this some more, your help would be greatly appreciated.  Is there a way to have workstation 1 directly use the DSL internet connection without using workstation 2?  I'm kind of stuck on the idea that I need to use workstation 2 as a proxy either with socks or remote desktop.  Could the router be configured to do this.
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Author Comment

by:Jayfo
ID: 34175121
thank you for the help.
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Author Comment

by:Jayfo
ID: 34200433
Thanks for the help.
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Author Comment

by:Jayfo
ID: 34200552
done
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Author Closing Comment

by:Jayfo
ID: 34203716
I gave 250 to each expert because i ended up using some of both answers.  Thanks
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