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Connecting Wyse Terminal Emulation over a VPN

Posted on 2013-06-04
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Last Modified: 2015-04-09
Hi,

I have an industrial PC that can be connected to via a Wyse Terminal emulation application. This works fine in the local LAN.

The LAN is linked to another site via a LAN to LAN IPSEC VPN. (Each end is controlled by a ZyXel USG 100.)

From the remote site I can ping the Industrial PC, but the Wyse Terminal emulation software cannot connect. I suspect that the Wyse software is using some form of non-routable protocol, but this is beyond me. I believe that the connection is ove UDP, but I know nothing about this.

Any ideas?

Thanks,

Richard
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Question by:rpm
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by:Robert Saylor
ID: 39218858
Can you connect through Windows Remote Desktop? Have you tried VNC? I suspect some ports are being blocked.
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by:rpm
ID: 39218874
I connect many different systems through the VPN including remote desktop with no problem. No ports are blocked through the tunnel.
Only the Wyse Terminal Emulator is a problem.
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Expert Comment

by:Robert Saylor
ID: 39218934
On my iPad and iPhone I use PocketCloud that uses WYSE. Both connect to my VPN with no issues. We are using a Cisco VPN. I am not sure what app you are using for WYSE but in my app it asks me for the RDP port. I am using the default 3389. You mentioned that is open but might want to double check.

To verify if its not the app/WYSE try connecting to a machine in your local network that does not require VPN using WYSE. That might help determine if it's a VPN issue or a WYSE issue.
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Netscaler Common Configuration How To guides

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rpm earned 0 total points
ID: 39420531
Problem remains unsolved!
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by:Robert Saylor
ID: 39420582
If the application may or may not work through VPN over WAN you might need to deploy a local PC in the same network then use remote desktop from the remote site to connect to to the PC that should be able to connect to the WYSE. I believe this is the issue and is how most deal with applications that can not be shared over a WAN.
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by:rpm
ID: 39435372
Problem remains unsolved!
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Expert Comment

by:ESQ-Tech
ID: 40715683
Experiencing the same thing....  I am suspecting that the terminal needs to authenticate on the "home" network in order to get an IP for that network in order to 'work'.
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Netscaler Common Configuration How To guides

If you use NetScaler you will want to see these guides. The NetScaler How To Guides show administrators how to get NetScaler up and configured by providing instructions for common scenarios and some not so common ones.

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