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ExaCC Gen2: Troubleshooting connectivity issues at CPS from Customer Side (Doc ID 2745571.1)

Last updated on MAY 08, 2024

Applies to:

Gen 2 Exadata Cloud at Customer - Version All Versions to All Versions [Release All Releases]
Information in this document applies to any platform.

Goal

 

Overview

At ExaCC Gen2, CPS (Control Plane Servers) are deployed on customer's datacenter to connect to OCI regions.

Due to the dependencies ExaCC have on customer's network, any changes in customer network could impact the connection between ExaCC rack and OCI region.

It is important to mention that CPS are deployed on different network than ExaCC VMs (where your database runs), it means that even if you have full connection to your Database your CPS might have network issues.

This document helps to start a troubleshooting that customers can perform themselves (preferable network team) for the Secure Tunnel component as highlighted on the following diagram:

 

Solution

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In this Document
Goal
Solution
 Troubleshooting connectivity issues at CPS from Customer Side 
 Information required
 Troubleshooting steps on customer's side
 Make sure DNS resolution works
 Check any packets blocked on Firewall from CPS IPs
 Check any packets blocked on Firewall to OCI WSS EndpointsThis check is required only when customer is connected trough WSS
 Next steps
 Appendix
 DNS names for WSS connections
   
  
 <Internal_Only>
 Ops Team obtaining information from customer's installation
 </Internal_Only>


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