Core switches are typically managed using centralized controllers via NETCONF over SSH, CLI/Web GUI, or network automation platforms, depending on the vendor and network architecture.Centralized Contr...
In enterprise networks, core switches can be managed by a centralized network controller such as Huawei's iMaster NCE-Campus. To enable this, the core switch must be connected to the controller through a configured VLAN and IP address, and a static route must be set from the core switch to the controller. The NETCONF protocol over SSH in Callhome mode is commonly used to allow the controller to communicate with and manage the core switch, enabling configuration synchronization, monitoring, and automation of network policies .
Core switches also support direct management via CLI or Web GUI, allowing network administrators to configure routing, VLANs, access control lists (ACLs), and high-availability features manually. These methods are often used in smaller networks or as a backup to controller-based management .
In large-scale deployments, core switches are often deployed in redundant pairs or clusters to ensure nonstop forwarding and high availability. Technologies like FGCP (FortiGate Clustering Protocol) or active-active/active-passive configurations allow the core layer to maintain connectivity even if one device fails. Control in this context involves failover mechanisms, load balancing, and link aggregation (LAG/MCLAG) to optimize traffic flow and maintain network resilience .
The control method for a core switch depends on the network design and vendor:
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