Wireshark · Wireshark-users: [Wireshark-users] receive packets in double

Wireshark-users: [Wireshark-users] receive packets in double

From: "Manu" <traqueur@xxxxxxxxxxxxxxxx>

Date: Thu, 1 Apr 2010 11:17:50 +0200

Hello

I'm running wireshark 1.2.6 on a DELL W2K3 SP2 server

I've to check communication between the server and a badge readers on thenetwork

When i'm asking the badgre reader his version (@v) i have two reply as yousee below.


I have this only on this server.

Is there strange thing with network adapter ?

Thanks

No. Time Source Destination ProtocolInfo1 0.000000 192.168.10.3 192.168.10.13 UDPSource port: commtact-https Destination port: commtact-https


Frame 1 (45 bytes on wire, 45 bytes captured)
   Arrival Time: Apr  1, 2010 11:10:05.844030000
   [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: 45 bytes
   Capture Length: 45 bytes
   [Frame is marked: False]
   [Protocols in frame: eth:ip:udp:data]
   [Coloring Rule Name: ___tmp_color_filter___01]

[Coloring Rule String: (ip.addr eq 192.168.10.3 and ip.addr eq192.168.10.13) and (udp.port eq 20003 and udp.port eq 20003)]Ethernet II, Src: Dell_0e:d2:54 (a4:ba:db:0e:d2:54), Dst: JkMicros_c0:f8:fa(00:90:c2:c0:f8:fa)

   Destination: JkMicros_c0:f8:fa (00:90:c2:c0:f8:fa)
   Source: Dell_0e:d2:54 (a4:ba:db:0e:d2:54)
   Type: IP (0x0800)

Internet Protocol, Src: 192.168.10.3 (192.168.10.3), Dst: 192.168.10.13(192.168.10.13)

   Version: 4
   Header length: 20 bytes
   Differentiated Services Field: 0x00 (DSCP 0x00: Default; ECN: 0x00)
       0000 00.. = Differentiated Services Codepoint: Default (0x00)
       .... ..0. = ECN-Capable Transport (ECT): 0
       .... ...0 = ECN-CE: 0
   Total Length: 31
   Identification: 0x388f (14479)
   Flags: 0x00
       0.. = Reserved bit: Not Set
       .0. = Don't fragment: Not Set
       ..0 = More fragments: Not Set
   Fragment offset: 0
   Time to live: 128
   Protocol: UDP (0x11)
   Header checksum: 0x0000 [incorrect, should be 0x6cde]
       [Good: False]
       [Bad : True]
           [Expert Info (Error/Checksum): Bad checksum]
   Source: 192.168.10.3 (192.168.10.3)
   Destination: 192.168.10.13 (192.168.10.13)

User Datagram Protocol, Src Port: commtact-https (20003), Dst Port:commtact-https (20003)

   Source port: commtact-https (20003)
   Destination port: commtact-https (20003)
   Length: 11
   Checksum: 0x8dba [validation disabled]
Data (3 bytes)

0000  40 76 00                                          @v.

No. Time Source Destination ProtocolInfo2 0.028758 192.168.10.13 192.168.10.3 UDPSource port: commtact-https Destination port: commtact-https


Frame 2 (60 bytes on wire, 60 bytes captured)
   Arrival Time: Apr  1, 2010 11:10:05.872788000
   [Time delta from previous captured frame: 0.028758000 seconds]
   [Time delta from previous displayed frame: 0.028758000 seconds]
   [Time since reference or first frame: 0.028758000 seconds]
   Frame Number: 2
   Frame Length: 60 bytes
   Capture Length: 60 bytes
   [Frame is marked: False]
   [Protocols in frame: eth:ip:udp:data]
   [Coloring Rule Name: ___tmp_color_filter___01]

[Coloring Rule String: (ip.addr eq 192.168.10.3 and ip.addr eq192.168.10.13) and (udp.port eq 20003 and udp.port eq 20003)]Ethernet II, Src: JkMicros_c0:f8:fa (00:90:c2:c0:f8:fa), Dst: Dell_0e:d2:54(a4:ba:db:0e:d2:54)

   Destination: Dell_0e:d2:54 (a4:ba:db:0e:d2:54)
   Source: JkMicros_c0:f8:fa (00:90:c2:c0:f8:fa)
   Type: IP (0x0800)
   Trailer: A8

Internet Protocol, Src: 192.168.10.13 (192.168.10.13), Dst: 192.168.10.3(192.168.10.3)

   Version: 4
   Header length: 20 bytes
   Differentiated Services Field: 0x00 (DSCP 0x00: Default; ECN: 0x00)
       0000 00.. = Differentiated Services Codepoint: Default (0x00)
       .... ..0. = ECN-Capable Transport (ECT): 0
       .... ...0 = ECN-CE: 0
   Total Length: 45
   Identification: 0x08b7 (2231)
   Flags: 0x00
       0.. = Reserved bit: Not Set
       .0. = Don't fragment: Not Set
       ..0 = More fragments: Not Set
   Fragment offset: 0
   Time to live: 64
   Protocol: UDP (0x11)
   Header checksum: 0xdca8 [correct]
       [Good: True]
       [Bad : False]
   Source: 192.168.10.13 (192.168.10.13)
   Destination: 192.168.10.3 (192.168.10.3)

User Datagram Protocol, Src Port: commtact-https (20003), Dst Port:commtact-https (20003)

   Source port: commtact-https (20003)
   Destination port: commtact-https (20003)
   Length: 25
   Checksum: 0xfe82 [validation disabled]
Data (17 bytes)

0000  76 38 35 32 2e 33 34 30 2e 30 30 30 30 2e 33 35   v852.340.0000.35
0010  00                                                .

No. Time Source Destination ProtocolInfo3 0.028765 192.168.10.13 192.168.10.3 UDPSource port: commtact-https Destination port: commtact-https


Frame 3 (60 bytes on wire, 60 bytes captured)
   Arrival Time: Apr  1, 2010 11:10:05.872795000
   [Time delta from previous captured frame: 0.000007000 seconds]
   [Time delta from previous displayed frame: 0.000007000 seconds]
   [Time since reference or first frame: 0.028765000 seconds]
   Frame Number: 3
   Frame Length: 60 bytes
   Capture Length: 60 bytes
   [Frame is marked: False]
   [Protocols in frame: eth:ip:udp:data]
   [Coloring Rule Name: ___tmp_color_filter___01]

   Destination: Dell_0e:d2:54 (a4:ba:db:0e:d2:54)
   Source: JkMicros_c0:f8:fa (00:90:c2:c0:f8:fa)
   Type: IP (0x0800)
   Trailer: A8

Internet Protocol, Src: 192.168.10.13 (192.168.10.13), Dst: 192.168.10.3(192.168.10.3)

   Version: 4
   Header length: 20 bytes
   Differentiated Services Field: 0x00 (DSCP 0x00: Default; ECN: 0x00)
       0000 00.. = Differentiated Services Codepoint: Default (0x00)
       .... ..0. = ECN-Capable Transport (ECT): 0
       .... ...0 = ECN-CE: 0
   Total Length: 45
   Identification: 0x08b7 (2231)
   Flags: 0x00
       0.. = Reserved bit: Not Set
       .0. = Don't fragment: Not Set
       ..0 = More fragments: Not Set
   Fragment offset: 0
   Time to live: 64
   Protocol: UDP (0x11)
   Header checksum: 0xdca8 [correct]
       [Good: True]
       [Bad : False]
   Source: 192.168.10.13 (192.168.10.13)
   Destination: 192.168.10.3 (192.168.10.3)

User Datagram Protocol, Src Port: commtact-https (20003), Dst Port:commtact-https (20003)

   Source port: commtact-https (20003)
   Destination port: commtact-https (20003)
   Length: 25
   Checksum: 0xfe82 [validation disabled]
Data (17 bytes)

0000  76 38 35 32 2e 33 34 30 2e 30 30 30 30 2e 33 35   v852.340.0000.35
0010  00                                                .

Manu

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