3BHE037864R1110 CVMI2B ABB INTERFACE BOARD

Description

Overview

Essential details：3BHE037864R1110 CVMI2B ABB INTERFACE BOARD

1, the network infrastructure is composed of switches, routers, firewalls, etc. These devices receive and send data day after day. How does the data received from one interface pass through the device to another interface?

2. What are the components of the equipment? How do these components work together?

3. How does the switch forward packets from one interface to another?
In order to facilitate the understanding of each function module inside the network device, take the S12700E-8 as an example to explain the architecture of a typical network device:

Main Processing Unit (MPU) : The main processing unit (MPU) is the control plane of the entire system.
Switch Fabric Unit (SFU) : The SFU is responsible for the data plane of the entire system. The data plane provides high-speed non-blocking data channels and implements service exchange between service modules.
Interface board (LPU) : A Line Processing Unit (LPU) is a module on a physical device that provides data forwarding functions and provides optical and electrical interfaces of different rates.
Each switch network board and interface board has its own management chip. Together with the main control board, it forms the control and management plane of the entire device

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3BHE037864R1110 CVMI2B ABB INTERFACE BOARD

The main control board provides the control plane and management plane for the entire system.

The control plane performs functions such as protocol processing, service processing, routing calculation, forwarding control, service scheduling, traffic statistics, and system security.
The management plane performs functions such as system running status monitoring, environment monitoring, log and alarm processing, system loading, and system upgrade.

Each module of the frame device is divided into different boards. Boards communicate with each other through internal connections of the frame device.
These modules are integrated inside the box, and the modules also communicate with each other through internal connections.
Interface boards are connected to each other through the switching network board, and the communication between interface boards is forwarded through the switching network board.
Logical architecture of network devices

Network devices can be logically divided into three planes: data plane, control and management plane, and monitoring plane.