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Installing an existing DGE Extension (DGEX) to a new location or a new server

Question:
What are the steps to install an existing DGE Extension (DGEX) to a new location or a new server?

Resolution:
With the exception of the optional collection of Netflow data, a DGE extension forwards all data collected to the upstream DGE. This makes it possible to re-install the DGE extension without losing configuration or historical test data.

Therefore, in order to move a DGE extension installation to a new server or new drive, simply:

  • If the new DGEX server has a different IP address, ensure the target servers that are monitored will respond to queries from the DGEX server
  • If the new DGEX server is in a different network or behind a different firewall, the firewall rules must be set up so that the DGEX is able to access the BVE and the upstream DGE. The port list may be found at Installation Prerequisites
  • Note the name of the existing DGEX server as configured in Superuser --> DGE Mgmt page
  • If Netflow collection is enabled on the DGE extension (check Superuser->Global Config->Netflow Collector), then save a copy of the 'TRAVERSE_HOME\apps\silk\data' folder to retain the flow data collected
  • Uninstall the Traverse DGE extension software
  • Reboot the machine
  • Install the Traverse software in the new server or location. When prompted, specify the name with the right spelling and case exactly as noted above
  • If using netflow, restore 'TRAVERSE_HOME\apps\silk\data' from the copy created earlier
  • Reboot the machine

 

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