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+--- Thread: KnxNet/IP - bug ? (/showthread.php?tid=707)
KnxNet/IP - bug ? - oyvindi - 29.03.2017
Hi,
this is a few (low-level) questions about the KnxNet/IP implementation on Logic Machine 5.
I too a look at UDP-packages in Wireshark while connecting to LM5 with ETS5, and found some anomalies.
1) In system settings -> KNX Settings, I specified that I want EIBNet/IP Tunnelling. However, LM5 keeps sending ROUTING_INDICATION packages ?
2) When doing a CONNECTIONSTATE_REQUEST, the CONNECTIONSTATE_RESPONSE should contain one of the status codes:
E_NO_ERROR = 0x00,
E_CONNECTION_ID = 0x21,
E_DATA_CONNECTION = 0x26,
E_KNX_CONNECTION = 0x27
However, LogicMachine replies with code 0x15, which is an unknown status. Output from WireShark:
Request:
Code:
Frame 729: 58 bytes on wire (464 bits), 58 bytes captured (464 bits) on interface 0
Ethernet II, Src: Giga-Byt_28:b3:64 (fc:aa:14:28:b3:64), Dst: OpenrbCo_26 (00:1b:c5:00:10:26)
Internet Protocol Version 4, Src: 10.20.25.30, Dst: 10.20.25.123
User Datagram Protocol, Src Port: 52989, Dst Port: 3671
KNXnet/IP
Header
Header Length: 0x06
Protocol Version: 0x10
Service Type Identifier: CONNECTIONSTATE_REQUEST (0x0207)
Total Length: 16 octets
Body
Communication Channel ID: 1
reserved: 00
HPAI: Control endpoint
Structure Length: 8 octets
Host Protocol Code: IPV4_UDP (0x01)
IP Address: 10.20.25.30
IP Port: 52988
HEX:
0000 06 10 02 07 00 10 01 00 08 01 0a 14 19 1e ce fcResponse:
Code:
Frame 730: 60 bytes on wire (480 bits), 60 bytes captured (480 bits) on interface 0
Ethernet II, Src: OpenrbCo_26 (00:1b:c5:00:10:26), Dst: Giga-Byt_28:b3:64 (fc:aa:14:28:b3:64)
Internet Protocol Version 4, Src: 10.20.25.123, Dst: 10.20.25.30
User Datagram Protocol, Src Port: 3671, Dst Port: 52988
KNXnet/IP
Header
Header Length: 0x06
Protocol Version: 0x10
Service Type Identifier: CONNECTIONSTATE_RESPONSE (0x0208)
Total Length: 8 octets
Body
Communication Channel ID: 1
Status: Unknown (0x15)
HEX:
0000 06 10 02 08 00 08 01 15I am currently implementing a KnxNet/IP client, which is why I stumbled across these issues.
RE: KnxNet/IP - bug ? - admin - 29.03.2017
1. It will always send telegrams to Routing if IP features are enabled
2. Looks like a bug, will fix
3. Are you connected to a KNX/TP gateway via Tunneling?
RE: KnxNet/IP - bug ? - oyvindi - 29.03.2017
Yes, I am connected via Tunnelling.
- Øyvind