# How to use wireshark to monitor local IOTedge read function

**URL:** <https://forum.wise-paas.advantech.com/t/how-to-use-wireshark-to-monitor-local-iotedge-read-function/1600>\
**Category:** IoTEdge\
**Created:** [July 7, 2025, 3:22am UTC](https://forum.wise-paas.advantech.com/t/how-to-use-wireshark-to-monitor-local-iotedge-read-function/1600 "2025-07-07T03:22:43Z")\
**Posts on this page:** 1\
**Page:** 1

<div class="post-metadata">

**Author:** ![Kelvin\_Huang](https://avatars.discourse-cdn.com/v4/letter/k/c4cdca/32.png) [@Kelvin\_Huang](https://forum.wise-paas.advantech.com/u/Kelvin_Huang)\
**Post date:** [July 7, 2025, 3:22am UTC](https://forum.wise-paas.advantech.com/t/how-to-use-wireshark-to-monitor-local-iotedge-read-function/1600/1 "2025-07-07T03:22:43Z")

</div>

filter TCP 502,look response packet

 ![image](https://canada1.discourse-cdn.com/flex032/uploads/wisepaasforum/original/1X/ddc4d77f92b9d808cd5a0bfb4cfc95fb64a5e0f7.jpeg)  
change value 40001 address  
 ![image](https://canada1.discourse-cdn.com/flex032/uploads/wisepaasforum/original/1X/c3dda472aed78a1119ec502a7576463ff6533861.png)  
check wireshark if value change to 99  
 ![image](https://canada1.discourse-cdn.com/flex032/uploads/wisepaasforum/original/1X/1f0cebd29264f6760e9ba8272895e92ffdd9f8d8.jpeg)