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.
Control plane
Processes responsible for running network protocol are located
- STP
- LLDP
- BGP
- etc
This it where we get ARP mapping from IP to MAC
Data plane
Non-management network interface located. This is the actual plane that does packet processing, forwarding via ASICs, etc