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When something is called a plane, (ex management plane, control plane, data plane) what does the word plane mean?

Function

What does a Management Plane do?

Allows administrator to communicate with device, and receive reports/log messages.

What are some examples of Management Plane's?
  • SSH Session
  • CCP (Cisco Configuration Professional)
  • Syslog
  • SNMP

How is the Management Plane Secured?
  • Encrypted Management Protocols
  • AAA
  • Login Restrictions/Timeouts
  • Role Based Access control
  • Secure NTP

What is the Means of the Control Plane?

Device has to devote personal attention (CPU), because something is needed directly from the device.

What are some examples of control plane?
  • Routing Protocol Updates/Keep Alives
  • Traffic Directly Connected to the IP address of the Router

How is the control plane secured?
  • Authenticate Routing Protocols
  • Control Plane Policing/Protection Features

What does the Data Plane do?

Moving/Forwarding packets for others (transit packets) such as from one end device to another.

What is an example of data plane?

All the traffic that the device is forwarding between 2 hosts

How is the data plane secure?
  • ACLs
  • STP safeguards
  • Port Security
  • Firewalls
  • IDS/IPS

Class Maps

Identifies traffic like HTTP and others

Policy Map

Determines what action to take based on what class maps finds.

Service Policy

Determines where the Policy Maps actions are taken place.