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Prerequisites

• Two Digital Access components with services and docker swarm available 
• The following ports shall be open to traffic to and from each Docker host participating on an overlay network:
  • TCP port 2377 for cluster management communications
  • TCP and UDP port 7946 for communication among nodes
  • UDP port 4789 for overlay network traffic
• For more details refer to: https://docs.docker.com/network/overlay/
• Keep a note of IP addresses of nodes where access point is running.

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1. SSH to manager node.

2. Remove label for all services which are not required on this node.

   Code Block
   title Remove label
   sudo docker node update --label-rm da-access-point <nodeid>

   
   

3. Verify if all nodes are part of cluster by running this command.

   
   

   Code Block
   title Verify if all nodes are part of cluster
   sudo docker node ls

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1. Image Modified

2. Identify nodes ID, master and worker where the service will be distributed.
   

   1. 
      

      Code Block
      title Identify nodes
      sudo docker node inspect --format '{{ .Status }}' h9u7iiifi6sr85zyszu8xo54l

      
      

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