ZigBee 3.0 Z-Stack 2.0 组网过程详解

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已于 2022-11-07 18:18:18 修改

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分类专栏： ZigBee实战-TI 文章标签： ZigBee 3.0 ZigBee Z-Stack CC2530 组网

于 2022-04-25 00:28:15 首次发布

本文链接：https://blog.youkuaiyun.com/m0_38064214/article/details/79608521

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本文介绍了Zigbee规范定义的两种网络类型：集中式安全网络和分布式安全网络。默认情况下，网络对新设备关闭，但在两种类型的网络中，最多允许开放254秒供设备加入。启用网络层安全需要所有设备映像在编译时设置预处理器标志SECURE为1，这在Z3.0项目中是默认启用的，因为这是强制性的。

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一、Network types

Based on the security schemas that those networks use, ZigBee specification defines two types of networks:

1. Centralized security network

2. Distributed security network

二、Duration for join permit

By default, networks are closed for new devices.

In both types of networks, the network can only be opened for a maximum of 254 seconds at a time, after which the network will be closed for joining. Z3.0 networks cannot remain open indefinitely.

The duration for which devices may attempt to join a network is reflected in the beacon packets sent by any existing networks in response to a joining devices beacon requests.

三、Enabling security

To use network layer security, all device images must be built with the preprocessor flag SECURE set equal to 1.

This can be found in the f8wConfig.cfg file and is enabled by default in all projects, as it is mandatory in Z3.0.

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