This article will guide you through the essential steps, necessary commands, configurations, and best practices for configuring redundant switches in Cisco environments. Before diving into the configurations, it's important to grasp the concept of redundancy in network. In the core layer, I want to have redundancy, which means that if the main core switch of my network has a problem, the backup switch will automatically enter the circuit. What method is there? 04-19-2024 02:04 PM 04-19-2024 04:47 AM You need first to use PO for all connection. Redundancy refers to. Cisco Catalyst 9300 is one of the most adopted switch model in the access layer and is one of the replacement of Cisco 3850 or 3650 in next couple of years. Cisco 9300 comes up with the 24/48 port switch with POE, POE+ or UPOE models. The need of POE is very essential when you are going to deploy. Leverage meraki warm spare switching. This is a design problem you can fix. What works: LACP provides additional bandwidth for traffic between subnets which has to pass through the firewall/router, particularly backups and migrations. A network failure can occur due to a faulty device/link or a network attack (e., DDoS, man-in-the-middle attacks, ARP spoofing, etc.