DHCP Server in IMX RT 1170 using Lwip stack

Febin — Wed, 11 May 2022 13:19:39 GMT

My board has an IMXRT1170 processor and Wifi chip from Ti and runs on FreeRTOS and lwip stack. I'm trying to integrate a dhcp server in Wifi AP mode. I have tested the dhcp server code which uses Lwip in ethernet medium in IMX RT 1050 and its working fine. My laptop is able to get a dynamic address.

But in wifi, the board is receiving DHCP_DISCOVER and sending a DHCP_OFFER response. But the client is not receiving the DHCP_OFFER message or a dynamic address. The DHCP offer message contains a valid ip address offered. I am attaching wireshark dump.

What could be the reason DHCP_OFFER is not accepted by client?

Re: DHCP Server in IMX RT 1170 using Lwip stack

danielchen — Sun, 22 May 2022 14:54:18 GMT

Hi Febin:

Since Ethernet medium can work and WIFI not, I would suggest you post this question on TI WIFI community to get fast help.

https://www.ti.com/wireless-connectivity/wi-fi/overview.html

Regards

Daniel

topic DHCP Server in IMX RT 1170 using Lwip stack in i.MX Processors

DHCP Server in IMX RT 1170 using Lwip stack

Re: DHCP Server in IMX RT 1170 using Lwip stack