:link_to_translation:`zh_CN:[中文]`
mDNS is a multicast UDP service that is used to provide local network service and host discovery.
The ESP-IDF component mDNS has been moved from ESP-IDF since version v5.0 to a separate repository:
To add mDNS component in your project, please run idf.py add-dependency espressif/mdns.
The documentation can be found on the link below: