Network Planes

Plane is basically just a group (area) can be physically or virtually. There are 3 types of plane.

Management plane

Manage administrative access to the device i.e: SSH, etc. May include the web server or cli.

Host processes that monitor the device itself -- fan speed, power supply.

Some devices has its own management interface from its routing table.

Processes responsible for running network protocol are located

This it where we get ARP mapping from IP to MAC

Non-management network interface located. This is the actual plane that does packet processing, forwarding via ASICs, etc