Wiki source code of How to use Domain Name instead of IP address in Server Address
Show last authors
| author | version | line-number | content |
|---|---|---|---|
| 1 | ((( | ||
| 2 | **Note when using MQTT:** | ||
| 3 | ))) | ||
| 4 | |||
| 5 | ((( | ||
| 6 | 1）AT+CLIENT cannot be set to NULL | ||
| 7 | ))) | ||
| 8 | |||
| 9 | ((( | ||
| 10 | 2) AT+SERVADDR length should not exceed 21 bytes | ||
| 11 | ))) | ||
| 12 | |||
| 13 | ((( | ||
| 14 | 3) It is not recommended to use a domain name, as it will take a long time for the MQTT service to resolve the domain name for the first time and increase power consumption. It is recommended to use IP instead of domain name. | ||
| 15 | ))) | ||
| 16 | |||
| 17 | ((( | ||
| 18 | If you don’t know the domain name IP, you can enter the command AT+QNDS to resolve the domain name when it is not working (this process may take a long time) | ||
| 19 | ))) | ||
| 20 | |||
| 21 | [[image:https://wiki.dragino.com/images/thumb/6/6e/MQTT_BROKER.png/600px-MQTT_BROKER.png||height="159" width="600"]] | ||
| 22 | |||
| 23 | Example |