Can not connect server leshan

LTE-M / NB-IoT (Monarch)
1

record_2026-07-09-15h14m40.evt (325.9 KB)

record_2026-07-09-15h32m58.evt (279.7 KB)

hi

I am working with the KIT NEKTAR-EVK Monarch 2 SKY66431 for my COAP connecting to server leshan in using AT command. But I can not reach the server. There are two records that what I take in the top, if somebody can help me to find where the problem is .

I use the sequans 4G DM tool to connect device and the interface AT command.

Thanks,

Best regards,

Wei

2

Hi Wei,

Thank you for raising it to us.
I have review the both DM logs and the Device Managment configuration is:
15:18:10’614.00> AT+SQNDMCFG=“standard”,“server”,100,“60”,“coaps://leshan.eclipseprojects.io:5684”,“1”,“bs”–> This set poll timer to 100 s.

Then it should attempt to connect after configured CID is available:
5:21:12’763.75> msg - LWM2M - [lwm2m_apn_conn_profile_notify_pdn_established:275] Network connection established {CID: 1}
15:21:12’763.87> level >>>> msg - FEEDS - 15:21 12.820 >| LWM2M/ audit >| [update_connection_statistics_time:222] Connection time updated [CID: 1; Failed: 0; Cause: 0]
15:21:12’763.87> msg - LWM2M - [update_connection_statistics_time:222] Connection time updated [CID: 1; Failed: 0; Cause: 0]

Could you try dumping the DM status again using the AT command AT+SQNDMST after the 100S CID has been established?

3

record_2026-07-24-15h08m35.evtdat (984.6 KB)

Hi Chi-meng

I take another record.

After command AT+SQNDMST I got ERROR, I am not sure if the LTE server is not attached or the LwM2M client is disabled.

Hope your team can help me to find Something.

If your team reached Leshen I am not sure if you can send me a good version recording of your parts then I can compare with.

Best regards,

Wei

4

Hi Wei,

In fact, the attached DM log file is not the right one. Then I cannot review it.
The right one should have “evt” as file extension. However, the attachment is within “evtdat”.
Could you kindly share the right one here then I can read it?

5

record_2026-07-24-15h08m35.evt (1.4 MB)

Hi Chi-meng

I am sorry that I send the file which is not correct.

Thanks

Best regards,

Wei