Control Plane - The control plane of a network device processes the traffic that is paramount to maintain the functionality of the network infrastructure.Management Plane - The management plane manages traffic that is sent to the Cisco IOS device and is made up of applications and protocols such as Secure Shell (SSH) and Simple Network Management Protocol (SNMP).The three functional planes of a network, the management plane, control plane, and data plane, each provide different functionality that needs to be protected. If your network is live, make sure that you understand the potential impact of any command. All of the devices used in this document started with a cleared (default) configuration. The information in this document was created from the devices in a specific lab environment. This document is not restricted to specific software and hardware versions. There are no specific requirements for this document. Structured around the three planes into which functions of a network device can be categorized, this document provides an overview of each included feature and references to related documentation. This document describes the information to help you secure your Cisco IOS ® system devices, which increases the overall security of your network.
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