We now have all of our Docker cluster nodes initialized with the Docker Enterprise Engine and are ready to begin configuring our first manager node. Our approach here will be to create a Swarm with a specified address pool – the address pool is where Docker's VXLAN networks assign /26 networks.
There are a couple of important items to note: first, it is important that this address pool parameter's CIDR is a non-routable network block within your private address space. Otherwise, there could be conflicts with Docker's internal overlay networks. Second, this address pool parameter can only be assigned with a Docker Swarm init command. It is not available as a UCP install parameter. Therefore, we will initialize ...
