8 Considerations before Registering ISE Nodes to a Deployment
In this article we will take a look at eight things that should be considered before being able to join ISE nodes to the rest of a distributed deployment. Joining ISE nodes to a distributed deployment requires a few prerequisites that must be met in order for registration to be successful. When the prerequisites are not met, you may find yourself stuck-in-a-rut troubleshooting in areas that you shouldn't be troubleshooting in. In an attempt to relieve you from troubleshooting registration issues, this article will focus on lessons learnt. Considerations Ensure that the DNS server has entries for in the A and PTR records for the nodes that you intend to register: When registering ISE nodes, the FQDN is required for the node you intend to register. If the FQDN of the intended node you wish to register cannot be resolved, you won't be able to join it to the deployment. You will also need to make sure that the FQDN's of all PAN's are resolvable. It is best practise to ensu...