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fillibuster

Registriert seit: 3. Nov 2010
Ort: Coesfeld
245 Beiträge
 
Delphi 2010 Professional
 
#6

AW: UDP Kommunikation Direktverbindung

  Alt 25. Aug 2021, 14:40
Hi,

danke für euren Input . cPorts sagt, dass der Port geöffnet ist. netstat sagt:
Code:
UDP-Statistik für IPv4

  Empfangene Datagramme = 12039
  Keine Anschlüsse     = 269
  Empfangsfehler       = 995
  Gesendete Datagramme = 14987
Und Wireshark empfängt anscheinend was:
Code:
461   378.523381   192.168.2.2   192.168.2.1   UDP   60   53607 → 27000 Len=5

Frame 461: 60 bytes on wire (480 bits), 60 bytes captured (480 bits) on interface \Device\NPF_{F3F8E4CA-7010-4F24-8C8F-330D739EA555}, id 0
Ethernet II, Src: LCFCHeFe_6c:ca:7e (28:d2:44:6c:ca:7e), Dst: Beckhoff_48:fa:c2 (00:01:05:48:fa:c2)
Internet Protocol Version 4, Src: 192.168.2.2, Dst: 192.168.2.1
User Datagram Protocol, Src Port: 53607, Dst Port: 27000
Data (5 bytes)

Hier komplett:

Frame 1: 60 bytes on wire (480 bits), 60 bytes captured (480 bits) on interface \Device\NPF_{F3F8E4CA-7010-4F24-8C8F-330D739EA555}, id 0
    Interface id: 0 (\Device\NPF_{F3F8E4CA-7010-4F24-8C8F-330D739EA555})
        Interface name: \Device\NPF_{F3F8E4CA-7010-4F24-8C8F-330D739EA555}
        Interface description: Ethernet
    Encapsulation type: Ethernet (1)
    Arrival Time: Aug 25, 2021 17:02:47.998587000 Mitteleuropäische Sommerzeit
    [Time shift for this packet: 0.000000000 seconds]
    Epoch Time: 1629903767.998587000 seconds
    [Time delta from previous captured frame: 0.000000000 seconds]
    [Time delta from previous displayed frame: 0.000000000 seconds]
    [Time since reference or first frame: 0.000000000 seconds]
    Frame Number: 1
    Frame Length: 60 bytes (480 bits)
    Capture Length: 60 bytes (480 bits)
    [Frame is marked: False]
    [Frame is ignored: False]
    [Protocols in frame: eth:ethertype:ip:udp:data]
    [Coloring Rule Name: UDP]
    [Coloring Rule String: udp]
Ethernet II, Src: LCFCHeFe_6c:ca:7e (28:d2:44:6c:ca:7e), Dst: Beckhoff_48:fa:c2 (00:01:05:48:fa:c2)
    Destination: Beckhoff_48:fa:c2 (00:01:05:48:fa:c2)
        Address: Beckhoff_48:fa:c2 (00:01:05:48:fa:c2)
        .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default)
        .... ...0 .... .... .... .... = IG bit: Individual address (unicast)
    Source: LCFCHeFe_6c:ca:7e (28:d2:44:6c:ca:7e)
        Address: LCFCHeFe_6c:ca:7e (28:d2:44:6c:ca:7e)
        .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default)
        .... ...0 .... .... .... .... = IG bit: Individual address (unicast)
    Type: IPv4 (0x0800)
    Padding: 00000000000000000000000000
Internet Protocol Version 4, Src: 192.168.2.2, Dst: 192.168.2.1
    0100 .... = Version: 4
    .... 0101 = Header Length: 20 bytes (5)
    Differentiated Services Field: 0x00 (DSCP: CS0, ECN: Not-ECT)
    Total Length: 33
    Identification: 0x92bb (37563)
    Flags: 0x00
    Fragment Offset: 0
    Time to Live: 128
    Protocol: UDP (17)
    Header Checksum: 0x22bd [validation disabled]
    [Header checksum status: Unverified]
    Source Address: 192.168.2.2
    Destination Address: 192.168.2.1
User Datagram Protocol, Src Port: 53607, Dst Port: 27000
    Source Port: 53607
    Destination Port: 27000
    Length: 13
    Checksum: 0xfbcd [unverified]
    [Checksum Status: Unverified]
    [Stream index: 0]
    [Timestamps]
        [Time since first frame: 0.000000000 seconds]
        [Time since previous frame: 0.000000000 seconds]
    UDP payload (5 bytes)
Data (5 bytes)
    Data: 68656c6c6f
    [Length: 5]
Aber wo könnte jetzt noch der Fehler liegen?

Edit: Der zweite Netzwerkport ist übrigens mit dem lokalen LAN über einen Router verbunden. Dort greife ich auch per Teamviewer auf den Rechner zu. Kann das zu Problemen führen?

Geändert von fillibuster (25. Aug 2021 um 17:34 Uhr) Grund: Infos ergänzt
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