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除了楼宇控制之外,LonTalk 还用于工业自动化、火车站、列车遥测、交通管理和智能电表。
LonTalk 协议最初由 Echelon Inc. 于 1988 年开发。1999 年,它被批准为 ANSI 标准 EIA/CEA-709.1。
Frame 3057: 74 bytes on wire (592 bits), 74 bytes captured (592 bits)Ethernet II, Src: 00:00:00:00:00:00 (00:00:00:00:00:00), Dst: 00:00:00:00:00:00 (00:00:00:00:00:00)Internet Protocol Version 4, Src: 127.0.0.1 (127.0.0.1), Dst: 127.0.0.1 (127.0.0.1)User Datagram Protocol, Src Port: 43769 (43769), Dst Port: 1628 (1628)Component Network over IPLocal Operating Network PPDU: 0x01 0... .... = Priority: 0 .0.. .... = Alt path: 0 ..00 0001 = Delta BL: 1 NPDU: 9, PDU format: TPDU, Address format: Unicast (2a)/Multicast (2b), Domain length: 8 bit 00.. .... = version: 0x00 ..00 .... = PDU format: TPDU (0x00) .... 10.. = Address format: Unicast (2a)/Multicast (2b) (0x02) .... ..01 = Domain length: 8 bit (0x01) Address type 2a (unicast) Source subnet: 0x01 .000 0101 = Source node: 0x05 Destination subnet: 0x01 .000 0011 = Destination node: 0x03 Domain: 01 TDPU: 0x02, TPDU type: ACKD 0... .... = Auth: 0x00 .000 .... = TPDU type: ACKD (0x00) .... 0010 = Transaction number: 0x02 1... .... .... .... = Network Variable: 0x0001 .0.. .... .... .... = NV direction: 0x0000 ..00 0010 1001 1111 = NV selector: 0x029f Data (2 bytes)0000 00 c4 .. Data: 00c4 [Length: 2]LON dissector 会解码所有类型的 LON 数据包。Multicast 流量尚未经过充分测试,并且缺少统计信息收集以及会话跟踪。
LonTalk dissector 中未实现首选项。
仅显示基于 LON 的流量:
lon仅显示 ID 为 0x375 的 Network variables:
lon.nv == 0x375LonTalk 只能作为 CN/IP 数据包的一部分被捕获。
LonTalk 在 EIA/CEA-709.1 中定义
Echelon Inc. - http://www.echelon.com/
关于 LonTalk 的 Wikepedia 条目位于 http://en.wikipedia.org/wiki/LonTalk
Imported from https://wiki.wireshark.org/Protocols/CEA-709.1 on 2020-08-11 23:19:12 UTC