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Choose Administration > System > Deployment. From the GUI on the primary PAN, you will register and assign personas to all ISE nodes.įrom the ISE GUI on the primary PAN, perform the following steps: Now that there is a primary PAN, you can implement a multinode deployment. PxGrid Publisher Subscriber Service disabledĪtw-ise245/admin# Register an ISE Node to the Deployment Example 18-1 show application status ise Command Output atw-ise245/admin# show application status ise When the application server state changes from initializing to running, then ISE will be ready for you to log in to. You can monitor the status of the application server by using the show application status ise command from the command-line interface through either the console or a Secure Shell (SSH) session to the ISE node, as shown in Example 18-1. Figure 18-1 shows an example of the Deployment screen. Make the Policy Administration Node a Primary Deviceīecause all ISE nodes are standalone by default, you must first promote the ISE node that will become the Primary Policy Administration Node (PAN) to be a primary device instead of a standalone.įrom the ISE GUI, perform the following steps:
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In that case, only the root certificates need to be added to the Trusted Certificates list. Instead of dealing with all this public key import for these self-signed certificates, the best practice is to always use certificates issued from the same trusted source. If you are still using the default self-signed certificates in ISE, you’ll be required to import the public certificate of each ISE node into each other ISE node’s Administration > System > Certificates > Trusted Certificates screen, because they are all self-signed (untrusted) certificates and each ISE node needs to trust the primary node, and the primary node needs to trust each of the other nodes. This is just like that, only it is based on Transport Layer Security (TLS). Similar to a scenario of trying to connect to a secure website that is not using a trusted certificate, you would see an SSL error in your web browser. Without that trust, you will receive a communication error stating that the “node was unreachable,” but the root cause is the lack of trust. It is important to understand that before any ISE nodes can be joined together, they must trust each other’s administrative certificate. You can join more than one ISE node together to create a multinode deployment, known commonly in the field as an ISE cube. At the time of joining, you also determine which services will run on which nodes in other words, you determine which persona the node will have. It is up to you, the ISE administrator, to promote the first node to be a primary administration node and then join the additional nodes to this new deployment. Also, all ISE standalone nodes are configured as their own root certificate authority (CA). That means that the standalone node runs Administration, Monitoring, and Policy Service personas. When in a standalone mode, the ISE node is configured to run all personas by default. Configuring ISE Nodes in a Distributed EnvironmentĪll ISE nodes are installed in a standalone mode by default. It also covers the basics of using a load balancer and includes a special bonus section on a very cool high-availability (HA) configuration that uses Anycast routing, and covers patching distributed ISE deployments. This chapter focuses on the configuration steps required to deploy ISE in a distributed design.
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At this point, you should have an idea of which type of deployment will be the best fit for your environment, based on the number of concurrent endpoints and the number of Policy Service Nodes (PSN) that will be used in the deployment. This chapter covers the following topics:Ĭonfiguring ISE nodes in a distributed environmentĬhapter 5, “Making Sense of the ISE Deployment Design Options,” discussed the many options within ISE design.