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arv_camera_acquisition ARV_IS_BUFFER Failed #853

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zibai4991 opened this issue Dec 7, 2023 · 9 comments
Open

arv_camera_acquisition ARV_IS_BUFFER Failed #853

zibai4991 opened this issue Dec 7, 2023 · 9 comments
Labels
1. bug Problems, incorrect behavior or appearance 5. Gige Issue in the GigEVision implementation

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@zibai4991
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zibai4991 commented Dec 7, 2023 •
edited by EmmanuelP

Describe the bug
when I loop to call the arv_camera_acquisition function，sometimes it succeeds and sometimes it report an failed.

** Code **

    GError *pErr = nullptr;
    if (!ARV_IS_CAMERA(m_pCamera))
    {
        printf(" %s::%d , arv_camera_new\n", __func__, __LINE__);
        m_pCamera = arv_camera_new(m_sDevID.c_str(), &pErr);
        if (pErr)
        {
	     printError(pErr);
            destroyGError(pErr);
            return false;
        }
    }

	printf(" %s::%d , start arv_camera_acquisition\n", __func__, __LINE__);
	m_pBuffer = arv_camera_acquisition(m_pCamera, 5000000, &pErr);
	printf(" %s::%d , end arv_camera_acquisition\n", __func__, __LINE__);

	if (pErr)
       {
           printError(pErr);
           destroyGError(pErr);
          return false;
       }

	if(!ARV_IS_BUFFER(m_pBuffer))
	{
		printf(" %s::%d , ARV_IS_BUFFER Failed\n", __func__, __LINE__);
		return false;
	}

Expected behavior
grabImage::707 , arv_camera_new
grabImage::717 , start arv_camera_acquisition
grabImage::719 , end arv_camera_acquisition
grabImage::730 , ARV_IS_BUFFER Failed
grabImage::717 , start arv_camera_acquisition
grabImage::719 , end arv_camera_acquisition

** (process:11292): CRITICAL **: 16:15:31.409: arv_buffer_get_image_region: assertion 'arv_buffer_payload_type_has_aoi (buffer->priv->payload_type)' failed

** (process:11292): CRITICAL **: 16:15:31.409: arv_buffer_get_image_pixel_format: assertion 'arv_buffer_payload_type_has_aoi (buffer->priv->payload_type)' failed

Camera description:

  • Manufacturer: HIKROBOT
  • Model: GEV-MV-CS050-10GC-PRO
  • Interface: Gige

Platform description:

  • Aravis version: 0.8.22
  • OS: Ubuntu20.04
  • Hardware: x86_64
@EmmanuelP
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Rerun your sample code with ARV_DEBUG=all and attach the console output here.

@EmmanuelP EmmanuelP added the 2. Needs informations Needs an acceptable design solution to be identified label Dec 7, 2023
@zibai4991
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zibai4991 commented Dec 8, 2023 •
edited

Hello EmmanuelP

thank you very much for your reply.

As your proposal，I have added the following code to my sample :
arv_debug_enable("all");
When I rerun my sample, the following error is show

openCamera::56 , Open Camera ......
 openCamera::63 , arv_camera_new
[14:54:09.444] 🅸 interface> Found 0 USB3Vision device (among 0 USB device)
[14:54:09.444] 🅸 device> [GvDevice::new] Interface address = 192.168.1.1
[14:54:09.444] 🅸 device> [GvDevice::new] Device address = 192.168.1.121
[14:54:09.945] 🆆 device> [GvDevice::read_memory] Ack reception timeout
[14:54:09.945] 🆆 device> [GvDevice::read_memory] Ack reception timeout
[14:54:10.445] 🆆 device> [GvDevice::read_memory] Ack reception timeout
[14:54:10.445] 🆆 device> [GvDevice::read_memory] Ack reception timeout
[14:54:10.946] 🆆 device> [GvDevice::read_memory] Ack reception timeout
[14:54:10.946] 🆆 device> [GvDevice::read_memory] Ack reception timeout
[14:54:11.446] 🆆 device> [GvDevice::read_memory] Ack reception timeout
[14:54:11.446] 🆆 device> [GvDevice::read_memory] Ack reception timeout
[14:54:11.947] 🆆 device> [GvDevice::read_memory] Ack reception timeout
[14:54:11.947] 🆆 device> [GvDevice::read_memory] Ack reception timeout
 openCamera::67 , Open Camera failed
Error msg-> domain: 5, code: 110, msg: GigEVision read_memory timeout

I tried the basler camera again, and it was the same.

@EmmanuelP
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Do you have a firewall ? Multiple network interfaces ?

@zibai4991
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The camera and host are connected using a switch , and the host have multiple network interfaces. I seem to have solved the GigEVision read_memory timeout.

Then, I rerun my sample to reproduce the initial problem.
After taking about 1000 successful photos, taking photos again failed. Some information is as follows:

[17:05:07.004] 🅸 stream-thread> [GvStream::find_frame_data] Discard late frame 1985 (last: 18373842054758336521)
[17:05:07.004] 🅸 sp> packet_type  =       ok (0x0000)
                     content_type = data-block (0x0003)
                     frame_id     =     1985
                     packet_id    =     3395
                     data_size    =     1464
[17:05:07.004] 🅸 stream-thread> [GvStream::find_frame_data] Discard late frame 1985 (last: 18373842054758336521)
[17:05:07.004] 🅸 sp> packet_type  =       ok (0x0000)
                     content_type = data-block (0x0003)
                     frame_id     =     1985
                     packet_id    =     3396
                     data_size    =     1464
[17:05:07.004] 🅸 stream-thread> [GvStream::find_frame_data] Discard late frame 1985 (last: 18373842054758336521)
[17:05:07.004] 🅸 sp> packet_type  =       ok (0x0000)
                     content_type = data-block (0x0003)
                     frame_id     =     1985
                     packet_id    =     3397
                     data_size    =     1464
[17:05:07.004] 🅸 stream-thread> [GvStream::find_frame_data] Discard late frame 1985 (last: 18373842054758336521)
[17:05:07.004] 🅸 sp> packet_type  =       ok (0x0000)
                     content_type = data-block (0x0003)
                     frame_id     =     1985
                     packet_id    =     3398
                     data_size    =     1464
[17:05:07.004] 🅸 stream-thread> [GvStream::find_frame_data] Discard late frame 1985 (last: 18373842054758336521)
[17:05:07.004] 🅸 sp> packet_type  =       ok (0x0000)
                     content_type = data-block (0x0003)
                     frame_id     =     1985
                     packet_id    =     3399
                     data_size    =     1464
[17:05:07.004] 🅸 stream-thread> [GvStream::find_frame_data] Discard late frame 1985 (last: 18373842054758336521)
[17:05:07.004] 🅸 sp> packet_type  =       ok (0x0000)
                     content_type = data-block (0x0003)
                     frame_id     =     1985
                     packet_id    =     3400
                     data_size    =     1464
[17:05:07.005] 🅸 stream-thread> [GvStream::find_frame_data] Discard late frame 1985 (last: 18373842054758336521)
[17:05:07.005] 🅸 sp> packet_type  =       ok (0x0000)
                     content_type = data-block (0x0003)
                     frame_id     =     1985
                     packet_id    =     3401
                     data_size    =     1464
[17:05:07.005] 🅸 stream-thread> [GvStream::find_frame_data] Discard late frame 1985 (last: 18373842054758336521)
[17:05:07.005] 🅸 sp> packet_type  =       ok (0x0000)
                     content_type = data-block (0x0003)
                     frame_id     =     1985
                     packet_id    =     3402
                     data_size    =     1464
[17:05:07.005] 🅸 stream-thread> [GvStream::find_frame_data] Discard late frame 1985 (last: 18373842054758336521)
[17:05:07.005] 🅸 sp> packet_type  =       ok (0x0000)
                     content_type = data-block (0x0003)
                     frame_id     =     1985
                     packet_id    =     3403
                     data_size    =     1464
[17:05:07.005] 🅸 stream-thread> [GvStream::find_frame_data] Discard late frame 1985 (last: 18373842054758336521)
[17:05:07.005] 🅸 sp> packet_type  =       ok (0x0000)
                     content_type = data-block (0x0003)
                     frame_id     =     1985
                     packet_id    =     3404
                     data_size    =     1464
[17:05:07.005] 🅸 stream-thread> [GvStream::find_frame_data] Discard late frame 1985 (last: 18373842054758336521)
[17:05:07.005] 🅸 sp> packet_type  =       ok (0x0000)
                     content_type = data-block (0x0003)
                     frame_id     =     1985
                     packet_id    =     3405
                     data_size    =     1464
[17:05:07.005] 🅸 stream-thread> [GvStream::find_frame_data] Discard late frame 1985 (last: 18373842054758336521)
[17:05:07.005] 🅸 sp> packet_type  =       ok (0x0000)
                     content_type = data-block (0x0003)
                     frame_id     =     1985
                     packet_id    =     3406
                     data_size    =     1464
[17:05:07.005] 🅸 stream-thread> [GvStream::find_frame_data] Discard late frame 1985 (last: 18373842054758336521)
[17:05:07.005] 🅸 sp> packet_type  =       ok (0x0000)
                     content_type = data-block (0x0003)
                     frame_id     =     1985
                     packet_id    =     3407
                     data_size    =     1464
[17:05:07.005] 🅸 stream-thread> [GvStream::find_frame_data] Discard late frame 1985 (last: 18373842054758336521)
[17:05:07.005] 🅸 sp> packet_type  =       ok (0x0000)
                     content_type = data-block (0x0003)
                     frame_id     =     1985
                     packet_id    =     3408
                     data_size    =     1464
[17:05:07.005] 🅸 stream-thread> [GvStream::find_frame_data] Discard late frame 1985 (last: 18373842054758336521)
[17:05:07.005] 🅸 sp> packet_type  =       ok (0x0000)
                     content_type = data-block (0x0003)
                     frame_id     =     1985
                     packet_id    =     3409
                     data_size    =     1464
[17:05:07.005] 🅸 stream-thread> [GvStream::find_frame_data] Discard late frame 1985 (last: 18373842054758336521)
[17:05:07.005] 🅸 sp> packet_type  =       ok (0x0000)
                     content_type = data-block (0x0003)
                     frame_id     =     1985
                     packet_id    =     3410
                     data_size    =     1464
[17:05:07.005] 🅸 stream-thread> [GvStream::find_frame_data] Discard late frame 1985 (last: 18373842054758336521)
[17:05:07.005] 🅸 sp> packet_type  =       ok (0x0000)
                     content_type = data-block (0x0003)
                     frame_id     =     1985
                     packet_id    =     3411
                     data_size    =     1464
[17:05:07.006] 🅸 stream-thread> [GvStream::find_frame_data] Discard late frame 1985 (last: 18373842054758336521)
[17:05:07.006] 🅸 sp> packet_type  =       ok (0x0000)
                     content_type = data-block (0x0003)
                     frame_id     =     1985
                     packet_id    =     3412
                     data_size    =     1464
[17:05:07.006] 🅸 stream-thread> [GvStream::find_frame_data] Discard late frame 1985 (last: 18373842054758336521)
[17:05:07.006] 🅸 sp> packet_type  =       ok (0x0000)
                     content_type = data-block (0x0003)
                     frame_id     =     1985
                     packet_id    =     3413
                     data_size    =     1464
[17:05:07.006] 🅸 stream-thread> [GvStream::find_frame_data] Discard late frame 1985 (last: 18373842054758336521)
[17:05:07.006] 🅸 sp> packet_type  =       ok (0x0000)
                     content_type = data-block (0x0003)
                     frame_id     =     1985
                     packet_id    =     3414
                     data_size    =     1464
[17:05:07.006] 🅸 stream-thread> [GvStream::find_frame_data] Discard late frame 1985 (last: 18373842054758336521)
[17:05:07.006] 🅸 sp> packet_type  =       ok (0x0000)
                     content_type = data-block (0x0003)
                     frame_id     =     1985
                     packet_id    =     3415
                     data_size    =     1464
[17:05:07.007] 🅸 stream-thread> [GvStream::find_frame_data] Discard late frame 1985 (last: 18373842054758336521)
[17:05:07.007] 🅸 sp> packet_type  =       ok (0x0000)
                     content_type = data-block (0x0003)
                     frame_id     =     1985
                     packet_id    =     3416
                     data_size    =     1464
[17:05:07.007] 🅸 stream-thread> [GvStream::find_frame_data] Discard late frame 1985 (last: 18373842054758336521)
[17:05:07.007] 🅸 sp> packet_type  =       ok (0x0000)
                     content_type = data-block (0x0003)
                     frame_id     =     1985
                     packet_id    =     3417
                     data_size    =     1464
[17:05:07.007] 🅸 stream-thread> [GvStream::find_frame_data] Discard late frame 1985 (last: 18373842054758336521)
[17:05:07.007] 🅸 sp> packet_type  =       ok (0x0000)
                     content_type = data-block (0x0003)
                     frame_id     =     1985
                     packet_id    =     3418
                     data_size    =     1464
[17:05:07.007] 🅸 stream-thread> [GvStream::find_frame_data] Discard late frame 1985 (last: 18373842054758336521)
[17:05:07.007] 🅸 sp> packet_type  =       ok (0x0000)
                     content_type = data-block (0x0003)
                     frame_id     =     1985
                     packet_id    =     3419
                     data_size    =     1464
[17:05:07.007] 🅸 stream-thread> [GvStream::find_frame_data] Discard late frame 1985 (last: 18373842054758336521)
[17:05:07.007] 🅸 sp> packet_type  =       ok (0x0000)
                     content_type = data-block (0x0003)
                     frame_id     =     1985
                     packet_id    =     3420
                     data_size    =     1464
[17:05:07.007] 🅸 stream-thread> [GvStream::find_frame_data] Discard late frame 1985 (last: 18373842054758336521)
[17:05:07.007] 🅸 sp> packet_type  =       ok (0x0000)
                     content_type = data-block (0x0003)
                     frame_id     =     1985
                     packet_id    =     3421
                     data_size    =     1464
[17:05:07.007] 🅸 stream-thread> [GvStream::find_frame_data] Discard late frame 1985 (last: 18373842054758336521)
[17:05:07.007] 🅸 sp> packet_type  =       ok (0x0000)
                     content_type = data-block (0x0003)
                     frame_id     =     1985
                     packet_id    =     3422
                     data_size    =     1464
[17:05:07.007] 🅸 stream-thread> [GvStream::find_frame_data] Discard late frame 1985 (last: 18373842054758336521)
[17:05:07.007] 🅸 sp> packet_type  =       ok (0x0000)
                     content_type = data-block (0x0003)
                     frame_id     =     1985
                     packet_id    =     3423
                     data_size    =     1464
[17:05:07.007] 🅸 stream-thread> [GvStream::find_frame_data] Discard late frame 1985 (last: 18373842054758336521)
[17:05:07.007] 🅸 sp> packet_type  =       ok (0x0000)
                     content_type = data-block (0x0003)
                     frame_id     =     1985
                     packet_id    =     3424
                     data_size    =     1464
[17:05:07.007] 🅸 stream-thread> [GvStream::find_frame_data] Discard late frame 1985 (last: 18373842054758336521)
[17:05:07.007] 🅸 sp> packet_type  =       ok (0x0000)
                     content_type = data-block (0x0003)
                     frame_id     =     1985
                     packet_id    =     3425
                     data_size    =      768
[17:05:07.007] 🅸 stream-thread> [GvStream::find_frame_data] Discard late frame 1985 (last: 18373842054758336521)
[17:05:07.007] 🅸 sp> packet_type  =       ok (0x0000)
                     content_type = data-trailer (0x0002)
                     frame_id     =     1985
                     packet_id    =     3426
                     data_size    =       10
[17:05:11.697] 🅸 stream>     bins    ;frame_retent; packet_time;inter_packet
                                    0;           0;           0;           0
                         -------------
                         >=      2000;           0;           0;           0
                         <          0;           0;           0;           0
                         min         :         n/a;         n/a;         n/a
                         max         :         n/a;         n/a;         n/a
                         last max at :           0;           0;           0
                         counter     :           0:           0:           0
[17:05:11.697] 🅸 stream> [GvStream::finalize] n_completed_buffers    = 0
[17:05:11.697] 🅸 stream> [GvStream::finalize] n_failures             = 0
[17:05:11.697] 🅸 stream> [GvStream::finalize] n_underruns            = 8
[17:05:11.697] 🅸 stream> [GvStream::finalize] n_timeouts             = 0
[17:05:11.697] 🅸 stream> [GvStream::finalize] n_aborteds             = 0
[17:05:11.697] 🅸 stream> [GvStream::finalize] n_missing_frames       = 0
[17:05:11.698] 🅸 stream> [GvStream::finalize] n_size_mismatch_errors = 0
[17:05:11.698] 🅸 stream> [GvStream::finalize] n_received_packets     = 3435
[17:05:11.698] 🅸 stream> [GvStream::finalize] n_missing_packets      = 0
[17:05:11.698] 🅸 stream> [GvStream::finalize] n_error_packets        = 0
[17:05:11.698] 🅸 stream> [GvStream::finalize] n_ignored_packets      = 3435
[17:05:11.698] 🅸 stream> [GvStream::finalize] n_resend_requests      = 0
[17:05:11.698] 🅸 stream> [GvStream::finalize] n_resent_packets       = 0
[17:05:11.698] 🅸 stream> [GvStream::finalize] n_resend_ratio_reached = 0
[17:05:11.698] 🅸 stream> [GvStream::finalize] n_resend_disabled      = 0
[17:05:11.698] 🅸 stream> [GvStream::finalize] n_duplicated_packets   = 0
[17:05:11.698] 🅸 stream> [GvStream::finalize] n_transferred_bytes    = 0
[17:05:11.698] 🅸 stream> [GvStream::finalize] n_ignored_bytes        = 5043233
[17:05:11.698] 🅸 stream> [Stream::finalize] Flush 1 buffer[s] in input queue
[17:05:11.698] 🅸 stream> [Stream::finalize] Flush 0 buffer[s] in output queue
 grabImage::719 , end arv_camera_acquisition
 grabImage::730 , ARV_IS_BUFFER Failed

@EmmanuelP
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(last: 18373842054758336521) is worrying, may be a corrupted packet.

@EmmanuelP EmmanuelP added 1. bug Problems, incorrect behavior or appearance 5. Gige Issue in the GigEVision implementation and removed 2. Needs informations Needs an acceptable design solution to be identified labels Dec 8, 2023
@EmmanuelP
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Does this happen every time ? It would help if you could capture the network traffic when the problem occurs, using wireshark.

@zibai4991
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Sorry, I replied to you today because I wasn't working a few days ago.

I always restart the host and camera to test , When taking about 1800~1900 photos, this phenomenon is bound to occur.

I will try packet capture testing and get back to you later.

@zibai4991
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zibai4991 commented Dec 12, 2023 •
edited

I used tcpdump to capture the network packets when the bug show.

sudo tcpdump -i eth0 src host 192.168.1.122

camera ip: 192.168.1.122
image format: BayerRG8
image size: 2448×2048

The packets message as following :

12:34:41.366082 IP 192.168.1.122.3956 > rexroot.43920: UDP, length 524
12:34:41.367947 IP 192.168.1.122.3956 > rexroot.43920: UDP, length 524
12:34:41.369034 IP 192.168.1.122.3956 > rexroot.43920: UDP, length 524
12:34:41.370080 IP 192.168.1.122.3956 > rexroot.43920: UDP, length 524
12:34:41.371163 IP 192.168.1.122.3956 > rexroot.43920: UDP, length 524
12:34:41.372203 IP 192.168.1.122.3956 > rexroot.43920: UDP, length 524
12:34:41.373250 IP 192.168.1.122.3956 > rexroot.43920: UDP, length 524
12:34:41.374132 IP 192.168.1.122.3956 > rexroot.43920: UDP, length 524
12:34:41.375228 IP 192.168.1.122.3956 > rexroot.43920: UDP, length 524
12:34:41.376086 IP 192.168.1.122.3956 > rexroot.43920: UDP, length 524
12:34:41.376946 IP 192.168.1.122.3956 > rexroot.43920: UDP, length 524
12:34:41.377849 IP 192.168.1.122.3956 > rexroot.43920: UDP, length 524
12:34:41.378928 IP 192.168.1.122.3956 > rexroot.43920: UDP, length 524
12:34:41.379981 IP 192.168.1.122.3956 > rexroot.43920: UDP, length 524
12:34:41.381028 IP 192.168.1.122.3956 > rexroot.43920: UDP, length 524
12:34:41.382061 IP 192.168.1.122.3956 > rexroot.43920: UDP, length 524
12:34:41.383100 IP 192.168.1.122.3956 > rexroot.43920: UDP, length 524
12:34:41.384152 IP 192.168.1.122.3956 > rexroot.43920: UDP, length 524
12:34:41.385289 IP 192.168.1.122.3956 > rexroot.43920: UDP, length 524
12:34:41.386419 IP 192.168.1.122.3956 > rexroot.43920: UDP, length 524
12:34:41.387406 IP 192.168.1.122.3956 > rexroot.43920: UDP, length 524
12:34:41.388314 IP 192.168.1.122.3956 > rexroot.43920: UDP, length 524
12:34:41.389215 IP 192.168.1.122.3956 > rexroot.43920: UDP, length 524
12:34:41.390070 IP 192.168.1.122.3956 > rexroot.43920: UDP, length 524
12:34:41.391108 IP 192.168.1.122.3956 > rexroot.43920: UDP, length 524
12:34:41.392011 IP 192.168.1.122.3956 > rexroot.43920: UDP, length 524
12:34:41.392916 IP 192.168.1.122.3956 > rexroot.43920: UDP, length 524
12:34:41.393822 IP 192.168.1.122.3956 > rexroot.43920: UDP, length 524
12:34:41.394719 IP 192.168.1.122.3956 > rexroot.43920: UDP, length 524
12:34:41.395632 IP 192.168.1.122.3956 > rexroot.43920: UDP, length 524
12:34:41.396531 IP 192.168.1.122.3956 > rexroot.43920: UDP, length 524
12:34:41.397381 IP 192.168.1.122.3956 > rexroot.43920: UDP, length 524
12:34:41.398229 IP 192.168.1.122.3956 > rexroot.43920: UDP, length 524
12:34:41.399131 IP 192.168.1.122.3956 > rexroot.43920: UDP, length 524
12:34:41.399986 IP 192.168.1.122.3956 > rexroot.43920: UDP, length 524
12:34:41.400887 IP 192.168.1.122.3956 > rexroot.43920: UDP, length 524
12:34:41.401737 IP 192.168.1.122.3956 > rexroot.43920: UDP, length 524
12:34:41.402592 IP 192.168.1.122.3956 > rexroot.43920: UDP, length 524
12:34:41.403496 IP 192.168.1.122.3956 > rexroot.43920: UDP, length 524
12:34:41.404409 IP 192.168.1.122.3956 > rexroot.43920: UDP, length 524
12:34:41.405489 IP 192.168.1.122.3956 > rexroot.43920: UDP, length 524
12:34:41.406400 IP 192.168.1.122.3956 > rexroot.43920: UDP, length 524
12:34:41.407308 IP 192.168.1.122.3956 > rexroot.43920: UDP, length 524
12:34:41.408204 IP 192.168.1.122.3956 > rexroot.43920: UDP, length 524
12:34:41.409108 IP 192.168.1.122.3956 > rexroot.43920: UDP, length 524
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.....
12:34:41.982369 IP 192.168.1.122.9001 > rexroot.42011: UDP, length 1472
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12:34:41.982699 IP 192.168.1.122.9001 > rexroot.42011: UDP, length 1472
12:34:41.982699 IP 192.168.1.122.9001 > rexroot.42011: UDP, length 1472
12:34:41.982699 IP 192.168.1.122.9001 > rexroot.42011: UDP, length 1472
12:34:41.982699 IP 192.168.1.122.9001 > rexroot.42011: UDP, length 1472
12:34:41.982817 IP 192.168.1.122.9001 > rexroot.42011: UDP, length 1472
12:34:41.982817 IP 192.168.1.122.9001 > rexroot.42011: UDP, length 1472
12:34:41.982817 IP 192.168.1.122.9001 > rexroot.42011: UDP, length 1472
12:34:41.982817 IP 192.168.1.122.9001 > rexroot.42011: UDP, length 1472
12:34:41.982817 IP 192.168.1.122.9001 > rexroot.42011: UDP, length 1472
12:34:41.982818 IP 192.168.1.122.9001 > rexroot.42011: UDP, length 1472
12:34:41.982818 IP 192.168.1.122.9001 > rexroot.42011: UDP, length 1472
12:34:41.982818 IP 192.168.1.122.9001 > rexroot.42011: UDP, length 1472
12:34:41.982919 IP 192.168.1.122.9001 > rexroot.42011: UDP, length 1472
12:34:41.982920 IP 192.168.1.122.9001 > rexroot.42011: UDP, length 1472
12:34:41.982920 IP 192.168.1.122.9001 > rexroot.42011: UDP, length 1472
12:34:41.982920 IP 192.168.1.122.9001 > rexroot.42011: UDP, length 1472
12:34:41.982920 IP 192.168.1.122.9001 > rexroot.42011: UDP, length 1472
12:34:41.982920 IP 192.168.1.122.9001 > rexroot.42011: UDP, length 1472
12:34:41.982920 IP 192.168.1.122.9001 > rexroot.42011: UDP, length 1472
12:34:41.982920 IP 192.168.1.122.9001 > rexroot.42011: UDP, length 1472
12:34:41.983019 IP 192.168.1.122.9001 > rexroot.42011: UDP, length 1472
12:34:41.983019 IP 192.168.1.122.9001 > rexroot.42011: UDP, length 1472
12:34:41.983019 IP 192.168.1.122.9001 > rexroot.42011: UDP, length 1472
12:34:41.983019 IP 192.168.1.122.9001 > rexroot.42011: UDP, length 1472
12:34:41.983019 IP 192.168.1.122.9001 > rexroot.42011: UDP, length 1472
12:34:41.983019 IP 192.168.1.122.9001 > rexroot.42011: UDP, length 1472
12:34:41.983019 IP 192.168.1.122.9001 > rexroot.42011: UDP, length 1472
12:34:41.983020 IP 192.168.1.122.9001 > rexroot.42011: UDP, length 1472
12:34:41.983113 IP 192.168.1.122.9001 > rexroot.42011: UDP, length 1472
12:34:41.983113 IP 192.168.1.122.9001 > rexroot.42011: UDP, length 1472
12:34:41.983113 IP 192.168.1.122.9001 > rexroot.42011: UDP, length 1472
12:34:41.983113 IP 192.168.1.122.9001 > rexroot.42011: UDP, length 1472
12:34:41.983114 IP 192.168.1.122.9001 > rexroot.42011: UDP, length 1472
12:34:41.983114 IP 192.168.1.122.9001 > rexroot.42011: UDP, length 776
12:34:41.983114 IP 192.168.1.122.9001 > rexroot.42011: UDP, length 18
12:34:42.778907 IP 192.168.1.122.3956 > rexroot.43920: UDP, length 12
12:34:43.780797 IP 192.168.1.122.3956 > rexroot.43920: UDP, length 12
12:34:44.782677 IP 192.168.1.122.3956 > rexroot.43920: UDP, length 12
12:34:45.784569 IP 192.168.1.122.3956 > rexroot.43920: UDP, length 12
12:34:46.494337 ARP, Reply 192.168.1.122 is-at 34:bd:20:00:dd:c5 (oui Unknown), length 46
12:34:46.786461 IP 192.168.1.122.3956 > rexroot.43920: UDP, length 12
12:34:46.923867 IP 192.168.1.122.3956 > rexroot.43920: UDP, length 12
12:34:46.924995 IP 192.168.1.122.3956 > rexroot.43920: UDP, length 12
12:34:46.992373 IP 192.168.1.122.3956 > rexroot.43920: UDP, length 12
12:34:46.993502 IP 192.168.1.122.3956 > rexroot.43920: UDP, length 12
12:34:46.994330 IP 192.168.1.122.3956 > rexroot.43920: UDP, length 12

@zibai4991
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The detailed information of some packages is as follows：

12:34:41.366082 IP 192.168.1.122.3956 > rexroot.43920: UDP, length 524
	0x0000:  4500 0228 d520 4000 ff11 2078 c0a8 017a  E..(..@....x...z
	0x0010:  c0a8 0161 0f74 ab90 0214 7fa7 0000 0085  ...a.t..........
	0x0020:  0204 ff15 0000 0200 4c6f 6361 6c3a 4769  ........Local:Gi
	0x0030:  6745 5f56 6973 696f 6e5f 315f 5633 5f34  gE_Vision_1_V3_4
	0x0040:  5f35 342e 7a69 703b 3130 3030 3030 3b31  _54.zip;100000;1
	0x0050:  3639 6632 0000 0000 0000 0000 0000 0000  69f2............
	0x0060:  0000 0000 0000 0000 0000 0000 0000 0000  ................
	0x0070:  0000 0000 0000 0000 0000 0000 0000 0000  ................
	0x0080:  0000 0000 0000 0000 0000 0000 0000 0000  ................
	0x0090:  0000 0000 0000 0000 0000 0000 0000 0000  ................
	0x00a0:  0000 0000 0000 0000 0000 0000 0000 0000  ................
	0x00b0:  0000 0000 0000 0000 0000 0000 0000 0000  ................
	0x00c0:  0000 0000 0000 0000 0000 0000 0000 0000  ................
	0x00d0:  0000 0000 0000 0000 0000 0000 0000 0000  ................
	0x00e0:  0000 0000 0000 0000 0000 0000 0000 0000  ................
	0x00f0:  0000 0000 0000 0000 0000 0000 0000 0000  ................
	0x0100:  0000 0000 0000 0000 0000 0000 0000 0000  ................
	0x0110:  0000 0000 0000 0000 0000 0000 0000 0000  ................
	0x0120:  0000 0000 0000 0000 0000 0000 0000 0000  ................
	0x0130:  0000 0000 0000 0000 0000 0000 0000 0000  ................
	0x0140:  0000 0000 0000 0000 0000 0000 0000 0000  ................
	0x0150:  0000 0000 0000 0000 0000 0000 0000 0000  ................
	0x0160:  0000 0000 0000 0000 0000 0000 0000 0000  ................
	0x0170:  0000 0000 0000 0000 0000 0000 0000 0000  ................
	0x0180:  0000 0000 0000 0000 0000 0000 0000 0000  ................
	0x0190:  0000 0000 0000 0000 0000 0000 0000 0000  ................
	0x01a0:  0000 0000 0000 0000 0000 0000 0000 0000  ................
	0x01b0:  0000 0000 0000 0000 0000 0000 0000 0000  ................
	0x01c0:  0000 0000 0000 0000 0000 0000 0000 0000  ................
	0x01d0:  0000 0000 0000 0000 0000 0000 0000 0000  ................
	0x01e0:  0000 0000 0000 0000 0000 0000 0000 0000  ................
	0x01f0:  0000 0000 0000 0000 0000 0000 0000 0000  ................
	0x0200:  0000 0000 0000 0000 0000 0000 0000 0000  ................
	0x0210:  0000 0000 0000 0000 0000 0000 0000 0000  ................
	0x0220:  0000 0000 0000 0000                      ........
12:34:41.367947 IP 192.168.1.122.3956 > rexroot.43920: UDP, length 524
	0x0000:  4500 0228 d521 4000 ff11 2077 c0a8 017a  E..(.!@....w...z
	0x0010:  c0a8 0161 0f74 ab90 0214 c83b 0000 0085  ...a.t.....;....
	0x0020:  0204 ff16 0010 0000 504b 0304 1400 0000  ........PK......
	0x0030:  0800 1059 9b53 3568 951d 2a69 0100 6ee1  ...Y.S5h..*i..n.
	0x0040:  0f00 1900 1c00 4769 6745 5f56 6973 696f  ......GigE_Visio
	0x0050:  6e5f 315f 5633 5f34 5f35 342e 786d 6c55  n_1_V3_4_54.xmlU
	0x0060:  5409 0003 2f2e c961 2f2e c961 7578 0b00  T.../..a/..aux..
	0x0070:  0104 1f08 0000 040c 0c00 00ec bdfb 771b  ..............w.
	0x0080:  b991 28fc f3dd bfa2 afce f9b2 7236 1393  ..(.........r6..
	0x0090:  d4c3 d264 e21c 917a 6e64 4991 647b 9c5f  ...d...zndI.d{._
	0x00a0:  785b 644b ea1d 8ae4 904d dbca c9d9 bffd  x[dK.....M......
	0x00b0:  c3a3 1f00 1a8f 2a74 3729 c9f2 bd9b 1149  ......*t7).....I
	0x00c0:  5415 5055 2814 0a85 c22f 7ffb fe30 0abe  T.PU(..../...0..
	0x00d0:  46b3 793c 19ff 75ad fde7 d65a 108d 0793  F.y<..u....Z....
	0x00e0:  613c befb ebda c7eb c39f 76d6 fef6 fe3f  a<........v....?
	0x00f0:  7eb9 8cee e279 12cd f6a3 f960 164f 13d2  ~....y.....`.O..
	0x0100:  3a20 90e3 f9cf dfe7 f15f d7ee 9364 faf3  :........_...d..
	0x0110:  dbb7 dfbe 7dfb f3b7 8d3f 4f66 776f 3bad  ....}....?Ofwo;.
	0x0120:  56fb edaf 1f4e af06 f7d1 43f8 533c 9e27  V....N....C.S<.'
	0x0130:  e178 10ad 7128 09e2 2e1a c783 f081 811d  .x..q(..........
	0x0140:  45e3 bd69 fcf6 13ef 50bf dd6f a510 3f3f  E..i....P..o..??
	0x0150:  cc13 24dc 87c9 301a 9d85 0fd1 5fd7 7ae4  ..$...0....._.z.
	0x0160:  7f67 e15a f029 1a0f 2733 fedd 517c 77b0  .g.Z.)..'3..Q|w.
	0x0170:  165c 916e 0dc3 d990 7e77 350d 07f4 8783  .\.n....~w5.....
	0x0180:  4fe4 7bd6 ef0f e1ff 4c66 9f72 eee4 5fc7  O.{.....Lf.r.._.
	0x0190:  63e1 eb56 f6f5 d5e2 a6f4 4b09 83dc a243  c..V......K....C
	0x01a0:  6035 50d7 93c9 e83a 9ef2 4e06 9f62 fa43  `5P....:..N..b.C
	0x01b0:  c007 119c 8c89 1c6e 43ca cb8b d964 b818  .......nC....d..
	0x01c0:  2447 8b78 f8d7 b583 83cd eebb 83d6 ee4f  $G.x...........O
	0x01d0:  fb7b 9ddd 9f36 77b7 b67f da6b 1ff4 7eea  .{...6w....k..~.
	0x01e0:  b43b 9ded 8d8d 8d76 efb0 4739 c0a8 7090  .;.....v..G9..p.
	0x01f0:  77bb 04cd c6ee ce4f db9d 68e3 a7cd cd70  w......O..h....p
	0x0200:  fba7 9d9d cdad 9f6e 77da 6178 db6e 6d6e  .......nw.ax.nmn
	0x0210:  ec90 0e12 09ff 3c67 033c 9d0c c284 f511  ......<g.<......
	0x0220:  2c86 807f c519 d417                      ,.......
12:34:41.369034 IP 192.168.1.122.3956 > rexroot.43920: UDP, length 524
	0x0000:  4500 0228 d522 4000 ff11 2076 c0a8 017a  E..(."@....v...z
	0x0010:  c0a8 0161 0f74 ab90 0214 108b 0000 0085  ...a.t..........
	0x0020:  0204 ff17 0010 0200 7ef8 f3f7 f970 edfd  ........~....p..
	0x0030:  7f04 c12f bd30 89ee 26b3 c780 cbe5 7232  .../.0..&.....r2
	0x0040:  49d6 0241 1e99 8858 6bd2 7e7a 1885 c962  I..A...Xk.~z...b
	0x0050:  16bd df8f bec6 83a8 3719 27b3 c9e8 97b7  ........7.'.....
	0x0060:  f9f7 4ab3 9387 f02e 3a9c cc1e c2c4 d976  ..J.....:......v
	0x0070:  6ff0 fb82 709b 0ed2 dd76 1c8e 2677 ce66  o...p....v..&w.f
	0x0080:  bdc9 6832 bb9e 85e3 f92d eb03 04f5 d562  ..h2.....-.....b
	0x0090:  1acd 2ec2 5194 24ee f19d 7ebc 76b6 39a0  ....Q.$...~.v.9.
	0x00a0:  733a 9a39 db1d cea2 df17 c400 3c92 96c4  s:.9........<...
	0x00b0:  2a24 0090 abfb 905a 8bde 6436 8b06 7474  *$.....Z..d6..tt
	0x00c0:  e6a6 fbf1 5d9c 84a3 9373 801c 407c ea4d  ....]....s..@|.M
	0x00d0:  1674 36ec 8d87 d7f1 0364 78f1 28da 1b0c  .t6......dx.(...
	0x00e0:  a2f9 dccd b1af d1d8 ad2f bdfb c5f8 b7fd  ........./......
	0x00f0:  3009 4d2d ffef 4f3f 890a 7bb3 b813 9afc  0.M-..O?..{.....
	0x0100:  f493 8a8f e9c9 7432 4b4e c347 c078 b85a  ......t2KN.G.x.Z
	0x0110:  011a 7e9c 47b3 ab48 3f9e 5fde 6633 5037  ..~.G..H?._.f3P7
	0x0120:  1da5 4966 9d97 a9d1 7a9f 2320 fa1e 0c19  ..If....z.#.....
	0x0130:  7810 8f73 e50f 0854 30e0 f8fe fccb db0c  x..s...T0.......
	0x0140:  8ae3 10d6 1724 1e11 32c5 15cf a7a3 f091  .....$..2.......
	0x0150:  f638 3515 413e 7ef1 37de 9a1a d99b 7814  .85.A>~.7.....x.
	0x0160:  278f efbb 64b1 1b8f a3d9 2f6f 852f 79ab  '...d...../o./y.
	0x0170:  9387 e964 1e0d b90e d105 e6fd e5f9 2f6f  ...d........../o
	0x0180:  cbdf 6a2d d5f5 e334 b24c 0ed6 e66a 108e  ..j-...4.L...j..
	0x0190:  21ed 8a95 ccd5 325f 069d 0dc3 f182 ac2b  !.....2_.......+
	0x01a0:  f49b d909 e1b3 bb0b cc98 bb9a 1dc6 b387  ................
	0x01b0:  6fe1 0cda fc2a 9ac5 e1e8 6cf1 7043 0560  o....*....l.pC.`
	0x01c0:  6f7b b2ef 6a41 f51e d08a a88d 8d3f dd09  o{..jA.......?..
	0x01d0:  5173 880c af0f 7a07 e3f0 6664 6f72 1d3d  Qs....z...fdor.=
	0x01e0:  10f3 ce3e 5a4c 5538 ee25 b311 959e b5d1  ...>ZLU8.%......
	0x01f0:  d534 8a86 ae01 12bd 1f73 e37c 158d c81f  .4.......s.|....
	0x0200:  1327 6b05 0824 8184 7c3f 77b5 3f8d c7bf  .'k..$..|?w.?...
	0x0210:  41bb c2da 6a3b a118 d7ac f1f5 fd6c b2b8  A...j;.......l..
	0x0220:  bb9f 2e92 d3f8 214e                      ......!N

12:34:41.793473 IP 192.168.1.122.3956 > rexroot.43920: UDP, length 12
	0x0000:  4500 0028 d5e6 4000 ff11 21b2 c0a8 017a  E..(..@...!....z
	0x0010:  c0a8 0161 0f74 ab90 0014 c031 0000 0083  ...a.t.....1....
	0x0020:  0004 ffdb 0000 0001 0707 0707 0707       ..............
12:34:41.794355 IP 192.168.1.122.3956 > rexroot.43920: UDP, length 12
	0x0000:  4500 0028 d5e7 4000 ff11 21b1 c0a8 017a  E..(..@...!....z
	0x0010:  c0a8 0161 0f74 ab90 0014 7a57 0000 0081  ...a.t....zW....
	0x0020:  0004 ffdc 4000 05dc 0707 0707 0707       ....@.........
12:34:41.796154 IP 192.168.1.122.3956 > rexroot.43920: UDP, length 12
	0x0000:  4500 0028 d5e8 4000 ff11 21b0 c0a8 017a  E..(..@...!....z
	0x0010:  c0a8 0161 0f74 ab90 0014 c02f 0000 0083  ...a.t...../....
	0x0020:  0004 ffdd 0000 0001 0707 0707 0707       ..............
12:34:41.797039 IP 192.168.1.122.3956 > rexroot.43920: UDP, length 12
	0x0000:  4500 0028 d5e9 4000 ff11 21af c0a8 017a  E..(..@...!....z
	0x0010:  c0a8 0161 0f74 ab90 0014 7a55 0000 0081  ...a.t....zU....
	0x0020:  0004 ffde 4000 05dc 0707 0707 0707       ....@.........
12:34:41.797797 IP 192.168.1.122.9001 > rexroot.46847: UDP, length 1472
	0x0000:  4500 05dc 4cad 4000 ff11 a537 c0a8 017a  E...L.@....7...z
	0x0010:  c0a8 0161 2329 b6ff 05c8 0000 0000 0000  ...a#)..........
	0x0020:  0000 0000 ffff ffe9 ffe2 7ff1 bfee 5ff7  .............._.
	0x0030:  afed d7e0 6bf0 35f8 1afc 0d7e 06bf 8349  ....k.5....~...I
	0x0040:  c1b2 60d9 b07a 583d ac08 5604 2b02 1581  ..`..zX=..V.+...
	0x0050:  8ad6 456b a2a3 d147 e8b5 f44c 7a26 3d13  ..Ek...G...Lz&=.
	0x0060:  9e9f cf59 e7ba 73dd b9f8 5cfc 2e7e 173f  ...Y..s...\..~.?
	0x0070:  8b89 c5d2 62e9 b162 58b1 ac4e 5627 ab05  ....b..bX..NV'..
	0x0080:  d594 6aca 3565 9aa4 4d52 26a9 9342 49a1  ..j.5e..MR&..BI.
	0x0090:  a4c6 5263 a927 d485 ea54 752a 3a95 9d5c  ..Rc.'...Tu*:..\
	0x00a0:  4eae 2757 93bd c9c8 64e4 3272 1939 8c8a  N.'W....d.2r.9..
	0x00b0:  4645 a334 519a 28cd 9470 4a38 251c 128e  FE.4Q.(..pJ8%...
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	0x0350:  0c2d 8600 4300 2180 10c0 0860 0430 0218  .-..C.!....`.0..
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	0x0380:  7a11 bd1e 5e8f af51 d7be 6bdf b5f9 daea  z...^..Q..k.....
	0x0390:  6d75 b6ac 5b56 2dab 96c3 cb77 e5ad f2c0  mu..[V-....w....
	0x03a0:  7960 3cb0 1e58 0f2c 0796 03cb 81f3 c0ef  y`<..X.,........
	0x03b0:  e061 f026 7813 bc1f de19 ef1a 778d bbd0  .a.&x.......w...
	0x03c0:  5de8 2ef4 177a 0bbd 85c8 42e4 2172 10b9  ]....z....B.!r..
	0x03d0:  884a 4425 a204 5102 2881 9456 4a2b a503  .JD%..Q.(..VJ+..
	0x03e0:  d297 e95d f4b8 7a5c 3d2e 1e97 8f5d c7b8  ...]..z\=....]..
	0x03f0:  63dc 31ee 18f7 8c6d c620 6310 3188 18c4  c.1....m..c.1...
	0x0400:  0c62 0631 830e 4187 a0d5 d07c 683e 341f  .b.1..A....|h>4.
	0x0410:  9a19 cd1a 668d b350 59a8 2cd4 166a 0b35  ....f..PY.,..j.5
	0x0420:  858c 42c6 2163 90a7 c845 e434 721a 390d  ..B.!c...E.4r.9.
	0x0430:  9c90 4e48 2724 1392 09c9 84f2 4279 a12a  ..NH'$......By.*
	0x0440:  5095 a85c 542e 2a17 951d ca98 654c 32a6  P..\T.*.....eL2.
	0x0450:  1953 8cbf c649 e332 7199 b8da 5c6d ae20  .S...I.2q...\m..
	0x0460:  5710 2b88 15c4 0ae2 0571 82ae 4157 a0bd  W.+......q..AW..
	0x0470:  d048 6824 3412 1a09 8d12 4689 a352 51a9  .Hh$4.....F..RQ.
	0x0480:  a8c2 5461 aa26 5513 aa9f d559 eaba 755d  ..Ta.&U....Y..u]
	0x0490:  bab8 5d5c 2eae 1757 8bbd c5c8 62e4 3172  ..]\...W....b.1r
	0x04a0:  18b9 8c4a 4625 a304 5182 28c1 9476 4a3b  ...JF%..Q.(..vJ;
	0x04b0:  a50b d293 e95f f4b9 fa4a 7d25 be84 5f42  ....._...J}%.._B
	0x04c0:  2fa1 97c6 4be3 a5e7 d2e5 e964 74b2 3a59  /...K......dt.:Y
	0x04d0:  9d3a 4e9d a758 53ac 29d6 14eb 8a63 c527  .:N..XS.)....c.'
	0x04e0:  e285 f154 78aa 3c55 9e3c 4f1e 278f 93d1  ...Tx.<U.<O.'...
	0x04f0:  c9fe 64ff b269 d922 6c91 b65e 5b2f ad81  ..d..i."l..^[/..
	0x0500:  d6d6 6b6b b5a3 dac7 ed75 f6ac 7b56 3dab  ..kk.....u..{V=.
	0x0510:  9ec3 cf77 e7ad f3c0 79e0 3cf0 1e78 0f3c  ...w....y.<..x.<
	0x0520:  079e 03cf 81f1 c0ee 6077 b02d d800 6c00  ........`w.-..l.
	0x0530:  3600 1b00 0d80 06c0 0360 01b0 00d8 006c  6........`.....l
	0x0540:  0036 001b 801b c01b e01b f01b f81b fc1b  .6..............
	0x0550:  fe1b ff1b ff9b ffdb fffb ffeb ffe3 ffe7  ................
	0x0560:  ffe5 ffe4 7ff2 3ff9 9fea 4ff5 a7ec 53f6  ......?...O...S.
	0x0570:  29fb 94eb ca63 e527 f285 f954 7caa 3e55  )....c.'...T|.>U
	0x0580:  9f3c 4f9e 27cf 93f1 c9ee 64f7 b26d d920  .<O.'.....d..m..
	0x0590:  6c90 3648 1b24 0d92 06c9 8372 41b9 a0ca  l.6H.$.....rA...
	0x05a0:  5065 a824 5412 2a09 9512 4a89 a552 52a9  Pe.$T.*...J..RR.
	0x05b0:  a942 54a1 aa46 5523 aa87 d555 eabc 755e  .BT..FU#...U..u^
	0x05c0:  3aaf 9d41 ceb6 675b b3bb d9cb ecf3 f66f  :..A..g[.......o
	0x05d0:  fb21 fd86 7ec3 bf77 dfad efc0            .!..~..w....
12:34:41.806305 IP 192.168.1.122.3956 > rexroot.43920: UDP, length 12
	0x0000:  4500 0028 d5ea 4000 ff11 21ae c0a8 017a  E..(..@...!....z
	0x0010:  c0a8 0161 0f74 ab90 0014 c02d 0000 0083  ...a.t.....-....
	0x0020:  0004 ffdf 0000 0001 0707 0707 0707       ..............
12:34:41.807621 IP 192.168.1.122.3956 > rexroot.43920: UDP, length 12
	0x0000:  4500 0028 d5eb 4000 ff11 21ad c0a8 017a  E..(..@...!....z
	0x0010:  c0a8 0161 0f74 ab90 0014 7a53 0000 0081  ...a.t....zS....
	0x0020:  0004 ffe0 4000 05dc 0707 0707 0707       ....@.........
12:34:41.809422 IP 192.168.1.122.3956 > rexroot.43920: UDP, length 12
	0x0000:  4500 0028 d5ec 4000 ff11 21ac c0a8 017a  E..(..@...!....z
	0x0010:  c0a8 0161 0f74 ab90 0014 c02b 0000 0083  ...a.t.....+....
	0x0020:  0004 ffe1 0000 0001 0707 0707 0707       ..............
12:34:41.810305 IP 192.168.1.122.3956 > rexroot.43920: UDP, length 12
	0x0000:  4500 0028 d5ed 4000 ff11 21ab c0a8 017a  E..(..@...!....z
	0x0010:  c0a8 0161 0f74 ab90 0014 c02d 0000 0081  ...a.t.....-....
	0x0020:  0004 ffe2 0000 0000 0707 0707 0707       ..............

12:34:41.921521 IP 192.168.1.122.3956 > rexroot.43920: UDP, length 12
	0x0000:  4500 0028 d5fc 4000 ff11 219c c0a8 017a  E..(..@...!....z
	0x0010:  c0a8 0161 0f74 ab90 0014 401e 0000 0081  ...a.t....@.....
	0x0020:  0004 fff1 8000 0000 0707 0707 0707       ..............
12:34:41.922814 IP 192.168.1.122.3956 > rexroot.43920: UDP, length 12
	0x0000:  4500 0028 d5fd 4000 ff11 219b c0a8 017a  E..(..@...!....z
	0x0010:  c0a8 0161 0f74 ab90 0014 c01a 0000 0083  ...a.t..........
	0x0020:  0004 fff2 0000 0001 0707 0707 0707       ..............
12:34:41.928309 IP 192.168.1.122.9001 > rexroot.42011: UDP, length 44
	0x0000:  4500 0048 4cae 4000 ff11 aaca c0a8 017a  E..HL.@........z
	0x0010:  c0a8 0161 2329 a41b 0034 0000 0000 07eb  ...a#)...4......
	0x0020:  0100 0000 0000 0001 0000 0049 284d 4a6e  ...........I(MJn
	0x0030:  0108 0009 0000 0990 0000 0800 0000 0000  ................
	0x0040:  0000 0000 0000 0000                      ........
12:34:41.928356 IP 192.168.1.122.9001 > rexroot.42011: UDP, length 1472
	0x0000:  4500 05dc 4caf 4000 ff11 a535 c0a8 017a  E...L.@....5...z
	0x0010:  c0a8 0161 2329 a41b 05c8 0000 0000 07eb  ...a#)..........
	0x0020:  0300 0001 3a3a 343b 3b38 383a 393c 3a39  ....::4;;88:9<:9
	0x0030:  393c 363c 383d 3541 363c 353e 3a3c 3f3e  9<6<8=5A6<5>:<?>
	0x0040:  3d40 4342 3e42 3a41 3e42 3b3f 3e3e 3a40  =@CB>B:A>B;?>>:@
	0x0050:  3a3e 3f3f 3c3e 3c43 3c45 3d3e 4244 3d43  :>??<><C<E=>BD=C
	0x0060:  413f 3f3f 4544 4047 3b42 3f46 3e47 4047  A???ED@G;B?F>G@G
	0x0070:  4440 3f46 423f 3c45 3d44 4045 4142 3c44  D@?FB?<E=D@EAB<D
	0x0080:  4243 4143 4443 3e44 4140 3d44 4043 4549  BCACDC>DA@=D@CEI
	0x0090:  4644 4447 4142 4047 434a 3e41 3f44 4241  FDDGAB@GCJ>A?DBA
	0x00a0:  4446 4748 4344 3d49 4645 4547 4540 4645  DFGHCD=IFEEGE@FE
	0x00b0:  4342 4243 3c48 4846 4247 4445 4043 4448  CBBC<HHFBGDE@CDH
	0x00c0:  4746 444c 434d 4a44 4444 444b 4445 4544  GFDLCMJDDDDKDEED
	0x00d0:  4148 464f 484a 4b45 4448 4748 4a50 4048  AHFOHJKEDHGHJP@H
	0x00e0:  4643 4b4c 474b 4949 444a 4245 4047 4746  FCKLGKIIDJBE@GGF
	0x00f0:  4447 4746 4244 4b49 434a 4849 4749 4149  DGGFBDKICJHIGIAI
	0x0100:  4348 494b 474d 4644 484c 4349 454e 414c  CHIKGMFDHLCIENAL
	0x0110:  504a 4a4d 4847 474b 4949 4e49 494e 4d4d  PJJMHGGKIINIINMM
	0x0120:  4949 484b 484d 454e 4d50 444a 484b 4b49  IIHKHMENMPDJHKKI
	0x0130:  474f 4c4b 4a49 484c 4647 484d 4c4d 4b48  GOLKJIHLFGHMLMKH
	0x0140:  4d4a 4e4b 4c51 494e 504a 4c4a 464e 4f4a  MJNKLQINPJLJFNOJ
	0x0150:  4b4f 4d52 494c 5552 4f51 4e4d 4a4f 444d  KOMRILUROQNMJODM
	0x0160:  5052 4b54 494c 4b4f 4d53 4f54 5452 4c53  PRKTILKOMSOTTRLS
	0x0170:  504e 4e50 4d52 5351 484c 3e2a 3c6c 8533  PNNPMRSQHL>*<l.3
	0x0180:  5432 4e31 5327 4833 451c 1b0c 100f 0d0c  T2N1S'H3E.......
	0x0190:  1f20 5a70 532a 241d 316a 8931 2e2b 8b3e  ..ZpS*$.1j.1.+.>
	0x01a0:  3c2a 863f 361f 7540 401e 5671 5717 2b66  <*.?6.u@@.VqW.+f
	0x01b0:  5c28 2768 5f2b 234e 5f2b 275a 6733 2320  \('h_+#N_+'Zg3#.
	0x01c0:  6538 3023 8242 4515 5e48 431c 813d 4f18  e80#.BE.^HC..=O.
	0x01d0:  4852 4a12 1b69 6b33 4a2d c446 5212 170d  HRJ..ik3J-.FR...
	0x01e0:  140f 140f 130a 0c0e 3233 4e32 4c25 180f  ........23N2L%..
	0x01f0:  1625 7133 4d2e 5330 4b16 1f19 2322 2f32  .%q3M.S0K...#"/2
	0x0200:  3133 3535 3934 3f39 4041 474b 494a 504e  135594?9@AGKIJPN
	0x0210:  504b 4127 1414 1313 1012 1413 0f10 1013  PKA'............
	0x0220:  1017 1510 1313 0f0c 1411 1012 140f 1214  ................
	0x0230:  1216 140e 0d10 100e 1410 1011 0e12 1211  ................
	0x0240:  120d 1512 1011 110c 1212 1213 170e 1013  ................
	0x0250:  1112 1411 0f10 1115 1216 130e 142b 4f59  .............+OY
	0x0260:  525a 5a5b 5356 565c 5b5e 5d5a 5b5a 585f  RZZ[SVV\[^]Z[ZX_
	0x0270:  555d 5c59 5e57 5a5d 5d5a 5b5d 5961 5a5a  U]\Y^WZ]]Z[]YaZZ
	0x0280:  5c59 605a 5f5e 5c59 575b 5963 595b 5855  \Y`Z_^\YW[YcY[XU
	0x0290:  555c 5e5e 555c 5a5d 5c5d 595b 5958 5459  U\^^U\Z]\]Y[YXTY
	0x02a0:  5a60 5e5d 585d 5a58 5d58 5a57 5d56 5c59  Z`^]X]ZX]XZW]V\Y
	0x02b0:  5856 5d58 585c 5441 1a0f 1311 0f11 1713  XV]XX\TA........
	0x02c0:  1618 0d11 1314 1118 120c 0e0f 0e0d 100d  ................
	0x02d0:  0d12 0e11 130f 0e0c 1011 1e3b 4e5b 575f  ...........;N[W_
	0x02e0:  5c59 555b 5a5a 5a59 585c 5d57 5861 5d5c  \YU[ZZZYX\]WXa]\
	0x02f0:  6157 524e 2e19 130f 1011 1312 100e 1313  aWRN............
	0x0300:  140e 130e 0e10 100f 1115 0f15 1814 1213  ................
	0x0310:  130f 1316 0f11 2e58 5e60 5b5e 5e5f 5a5b  .......X^`[^^_Z[
	0x0320:  5f5b 6361 5d5f 5b5e 5a63 5e5a 5e60 5c59  _[ca]_[^Zc^Z^`\Y
	0x0330:  605e 615f 5c5f 5b55 5948 3315 1316 1012  `^a_\_[UYH3.....
	0x0340:  0e0f 0e16 1611 1414 1211 130f 1211 1111  ................
	0x0350:  160e 1011 120d 1014 1310 1111 0f12 1513  ................
	0x0360:  130c 0d0b 120e 1114 1211 1512 1116 1915  ................
	0x0370:  1419 274c 5454 605b 6561 6463 5d5e 615e  ..'LTT`[eadc]^a^
	0x0380:  5f5b 605d 5c5d 5957 6164 6157 5f5a 5f63  _[`]\]YWadaW_Z_c
	0x0390:  635e 5c5a 6462 6160 5c5f 5d57 615a 5c5a  c^\Zdba`\_]WaZ\Z
	0x03a0:  6061 6060 5f5f 6563 5e60 6060 5e66 5f5b  `a``__ec^```^f_[
	0x03b0:  5c5d 5d5e 5f5e 6360 5e63 635f 605c 6063  \]]^_^c`^cc_`\`c
	0x03c0:  5d65 6961 625e 5a5d 5b5f 615e 5f5c 6460  ]eiab^Z][_a^_\d`
	0x03d0:  6062 6556 2417 120d 0c0e 0d0d 0b0a 0e0d  `beV$...........
	0x03e0:  0c10 100e 1311 0f10 1313 1314 1011 1313  ................
	0x03f0:  1114 405b 5b62 6264 6662 5765 645e 5f5a  ..@[[bbdfbWed^_Z
	0x0400:  615b 6361 6660 5d61 5f62 6164 5d60 5f61  a[caf`]a_bad]`_a
	0x0410:  6264 6367 6165 615a 615f 5629 1911 1316  bdcgaeaZa_V)....
	0x0420:  120f 1015 1214 1210 101a 1013 1214 1012  ................
	0x0430:  1511 1512 1012 1415 4b57 6662 605d 665f  ........KWfb`]f_
	0x0440:  615d 5e59 5f63 5e63 6460 605b 6165 5e5b  a]^Y_c^cd``[ae^[
	0x0450:  5d5e 5e60 6364 605a 5f5e 6463 6260 605f  ]^^`cd`Z_^dcb``_
	0x0460:  5e58 5f63 625c 5950 5243 402f 261a 150f  ^X_cb\YPRC@/&...
	0x0470:  1410 1211 1410 1415 1512 1411 1519 2716  ..............'.
	0x0480:  1e2d 3539 4b54 585b 5f5c 5a5c 5e5f 5c5c  .-59KTX[_\Z\^_\\
	0x0490:  6163 625f 5e60 5b5c 6165 5c5d 5f5d 645f  acb_^`[\ae\]_]d_
	0x04a0:  5e61 635e 5a5f 5b5b 595e 5c5d 5b5d 5e59  ^ac^Z_[[Y^\][]^Y
	0x04b0:  5f5a 5c57 595d 5d62 605d 625c 5b5c 5c60  _Z\WY]]b`]b\[\\`
	0x04c0:  5660 5a5a 5f5a 5758 565d 595d 6158 5659  V`ZZ_ZWXV]Y]aXVY
	0x04d0:  5859 5e5f 5860 5d5c 5c57 5c59 5c5e 575e  XY^_X`]\\W\Y\^W^
	0x04e0:  5c5e 5c59 5958 5b58 5458 5b57 5d5a 5c57  \^\YYX[XTX[W]Z\W
	0x04f0:  5c5f 5758 595c 5858 5a57 5e5c 595b 595e  \_WXY\XXZW^\Y[Y^
	0x0500:  5954 595b 4c5d 5955 6059 5c54 5859 5659  YTY[L]YU`Y\TXYVY
	0x0510:  5656 5357 5859 5759 575d 5957 625a 5958  VVSWXYWYW]YWbZYX
	0x0520:  5955 585d 565a 5957 5754 5b59 5658 5c57  YUX]VZYWWT[YVX\W
	0x0530:  5b5b 595a 5b5c 575b 5558 6156 5a55 5b5b  [[YZ[\W[UXaVZU[[
	0x0540:  585b 5d54 5b55 5c5d 5a5b 5d5c 5b58 585b  X[]T[U\]Z[]\[XX[
	0x0550:  5d59 5857 5658 5a59 545f 635a 5657 5a5c  ]YXWVXZYT_cZVWZ\
	0x0560:  5b5b 5558 5b5b 635e 5a5d 5a5a 6360 5d65  [[UX[[c^Z]ZZc`]e
	0x0570:  656d 7167 6d6d 6c69 6767 6c6f 7570 686d  emqgmmligglouphm
	0x0580:  6d64 6967 6c6b 706c 6564 686a 6868 666a  mdiglkpledhjhhfj
	0x0590:  6364 6560 6f64 6267 6867 5f69 6862 6067  cde`odbghg_ihb`g
	0x05a0:  5d5f 6665 5d68 6667 6963 6161 6460 6662  ]_fe]hfgicaad`fb
	0x05b0:  6663 655e 6063 6163 6161 5863 5562 6460  fce^`cacaaXcUbd`
	0x05c0:  6060 5c60 645f 5d5e 6b61 5f63 5b61 635a  ``\`d_]^ka_c[acZ
	0x05d0:  5f5f 5a5d 5d62 565d 5f63 605d            __Z]]bV]_c`]

12:34:44.782677 IP 192.168.1.122.3956 > rexroot.43920: UDP, length 12
	0x0000:  4500 0028 d600 4000 ff11 2198 c0a8 017a  E..(..@...!....z
	0x0010:  c0a8 0161 0f74 ab90 0014 c018 0000 0081  ...a.t..........
	0x0020:  0004 fff5 0000 0002 0707 0707 0707       ..............
12:34:45.784569 IP 192.168.1.122.3956 > rexroot.43920: UDP, length 12
	0x0000:  4500 0028 d601 4000 ff11 2197 c0a8 017a  E..(..@...!....z
	0x0010:  c0a8 0161 0f74 ab90 0014 c017 0000 0081  ...a.t..........
	0x0020:  0004 fff6 0000 0002 0707 0707 0707       ..............
12:34:46.494337 ARP, Reply 192.168.1.122 is-at 34:bd:20:00:dd:c5 (oui Unknown), length 46
	0x0000:  0001 0800 0604 0002 34bd 2000 ddc5 c0a8  ........4.......
	0x0010:  017a e45f 016e ac4b c0a8 0161 0707 0707  .z._.n.K...a....
	0x0020:  0707 0707 0707 0707 0707 0707 0707       ..............
12:34:46.786461 IP 192.168.1.122.3956 > rexroot.43920: UDP, length 12
	0x0000:  4500 0028 d602 4000 ff11 2196 c0a8 017a  E..(..@...!....z
	0x0010:  c0a8 0161 0f74 ab90 0014 c016 0000 0081  ...a.t..........
	0x0020:  0004 fff7 0000 0002 0707 0707 0707       ..............
12:34:46.923867 IP 192.168.1.122.3956 > rexroot.43920: UDP, length 12
	0x0000:  4500 0028 d603 4000 ff11 2195 c0a8 017a  E..(..@...!....z
	0x0010:  c0a8 0161 0f74 ab90 0014 c016 0000 0081  ...a.t..........
	0x0020:  0004 fff8 0000 0001 0707 0707 0707       ..............

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1. bug Problems, incorrect behavior or appearance 5. Gige Issue in the GigEVision implementation
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