Describe the changes in the doc and link to your dev story

Provide info for the following steps:

1. - [x] Mandatory Add the required version to the Fix version/s field.

2. - [ ] Mandatory Choose the type of documentation change.

      - [ ] New topic in an existing section or new section
      - [x] Update to an existing topic

3. - [ ] Mandatory for GA content:
            
       - [ ] Add steps and/or other important conceptual information here: 
       
            
       - [ ] Add Required access level for the user to complete the task here:
       

       - [ ] Add verification at the end of the task, how does the user verify success (a command to run or a result to see?)
     
     
       - [ ] Add link to dev story here:

4. - [x] Mandatory for bugs: What is the diff? Clearly define what the problem is, what the change is, and link to the current documentation:

• Section 1.2.3 Network Configuration in the MCE docs needs the following port added:
  • Outbound from Hub Cluster to Ironic Python Agent (IPA) on Managed cluster - TCP port 9999
• Additionally the section needs to have a statement along the lines of:
  • The managed cluster must be able to reach the hub cluster control plane node IP addresses
• There is also section 1.3.1 Additional networking requirements for infrastructure operator table in the ACM docs that seems redundant with the above MCE doc section, and it also does not have all the ports listed. I recommend replacing the table in this ACM doc with a reference to the MCE 1.2.3 Network Configuration section

Note: The additional ports and connectivity requirement of Managed Cluster to Hub Cluster control plane nodes is valid from MCE 2.3 and above.