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Zigbee路由中的三张表

 

1. routing table

Filed NamesizeDesc
Destination addr 2 octests 目标的地址,设备地址或者组地址,RFD的地址为它父节点的地址
Status 3 bits 0 - active 
1 - DISCOVERY_UNDERWAY 
2 - DISCOVERY-FAILED 
3 - INACTIVE 
4 - VALIDATION_UNDERWAY
No Route cache 1 bit 目标地址不支持(存储)路由 source routes
Many-to-one 1 bit 表示目标地址是concentrator, 通过MANY-TO-ONE建立的路由
Route record required 1 bit 在下一个数据侦发送之前,先发送一个 route record command frame
GroupID flag 1 bit 表示地址是组地址
Next-hop address 2 octets 下一跳的地址

2. route discovery table

Filed NameSize 
(octets)
Desc
Route reuest ID 1 每次发送路由请求(route request )之后自动加1
Source address 2 路由请求发起方地址
Sender address 2 收到路由请求侦的最低开销的上一跳地址,接收方根据 route request id & source address 来判断是否与本条对应
Forward cost 1 记录路由发现中前向跳数, 源地址到本设备
Residual cost 1 记录路由发现中后向跳数, 本设备到目标地址
Expiration time 2 路由发现的倒计算器

3. route record table

Field Namefiled TypeValid RangeReference
Network address integer 0x0000-fff7 the destination network address ofr thsi route record
Relay Count ineger 0x0000-ffff the count of relay nodes form concentrator to the destination
Path set of network addresses - a set of addresses that represent the route in order from the concentrator to the destination
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posted on 2021-10-12 14:40  Newbit  阅读(29)  评论(0编辑  收藏  举报

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