To form a chassis cluster, a pair of the same kind of supported Juniper Networks services routers or services gateways combines to act as a single system that enforces the same overall security. Although the services routers or services gateways must be the same kind, they can contain different Physical Interface Modules (PIMs). When a services router or services gateway joins a cluster, it becomes a node of that cluster. With the exception of unique node settings and management IP addresses, nodes in a cluster share the same configuration.
You can deploy up to 15 chassis clusters in a Layer 2 domain. Clusters and nodes are identified in the following way:
Before You Begin