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Cannot establish tunnel to Load Generator

  • 7 July 2023
  • 1 reply
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Userlevel 7
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  • Community Manager
  • 101 replies

Hi All,

After upgrading to the new GlobalProtect VPN software at our company, we are having trouble reaching the Linux Load Generators on our network.  Checking NeoLoad's Logs, we can see this:

2023/06/16 15:35:28 ERROR - neoload.Agents: Error initializing AgentServiceLg client for: xxx.xxx.xx.xxx:7100 
2023/06/16 15:35:28 ERROR - neoload.Agents: Error initializing AgentServiceLg client for: xxx.xxx.xx.xxx:7100 
2023/06/16 15:35:28 ERROR - neoload.Agents: Cannot establish tunnel to Load Generator: hostname=xxx.xxx.xx.xxx:7100 java.net.UnknownHostException: xxx.xxx.xx.xxx:7100
    at com.neotys.nl.agent.transport.ControllerTransportApiFactory.agentServiceLgClient(ControllerTransportApiFactory.java:194)


Any help is appreciated.  Thank you!

 

[Originally asked and solved on Support Hub]

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Best answer by Community Administrator 7 July 2023, 16:00

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Userlevel 4
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The "UnknownHostException" error message  seems to indicate that there's an issue to resolve the agent/lg machine name. But it looks more to be an issue with the name that is used at the tunnel level. I mean it does not seem to be an issue with the first communication done between the controller and the agent.

Could you tell when you get that error? Is it when you try to start a test with that Linux LG or is it just to discover it from the controller?

Also did you use a hostname or the IP address of your LG?

One more thing since you mentioned your VPN. I assume that your issue happens when your VPN is on right? If yes do you know if your VPN forces some proxy settings at system level?

And having the whole logs on both side (controller+LG) might be necessary to get a full picture of the issue.

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