The ExtremeCloud Tunnel Concentrator v25.05.01 Deployment Guide, issued in April 2026, provides comprehensive instructions for the installation, configuration, and management of the ExtremeCloud Tunnel Concentrator application on the Universal Compute Platform. This release introduces enhanced redundancy support for ExtremeCloud IQ-managed deployments with the ability to assign primary, secondary, and tertiary tunnels to a User Profile, along with the ability to configure keepalives for each Tunnel Concentrator service. In addition to updated procedures, the document also features a revised ExtremeCloud IQ configuration example. This document details the configuration of Generic Routing Encapsulation (GRE) tunneling to direct wireless traffic from access points to data centers for aggregation. It outlines steps for deploying Tunnel Concentrator with ExtremeCloud IQ or ExtremeCloud IQ Controller, covering prerequisites, installation tasks, GRE topology configurations, VLAN assignments, and user profiles. Administrative tasks include user management, log reporting, and application upgrades. This guide is intended for network administrators and IT professionals.
