Tcp/Ip-Related At Commands; Overview - Espressif Systems ESP32 Instruction Set

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5. TCP/IP-Related AT Commands

5.1. Overview

Commands
AT+CIPSTATUS
AT+CIPDOMAIN
AT+CIPDNS
AT+CIPSTAMAC
AT+CIPAPMAC
AT+CIPSTA
AT+CIPAP
AT+CIPSTART
AT+CIPSSLCCONF
AT+CIPSEND
AT+CIPSENDEX
AT+CIPCLOSE
AT+CIFSR
AT+CIPMUX
AT+CIPSERVER
AT+CIPSERVERMAXCONN
AT+CIPMODE
AT+SAVETRANSLINK
AT+CIPSTO
AT+CIUPDATE
AT+CIPDINFO
AT+CIPSNTPCFG
AT+CIPSNTPTIME
AT+PING
Espressif
Description
Gets the connection status.
DNS function.
Sets user-defined DNS server.
Sets the MAC address of ESP32 Station.
Sets the MAC address of ESP32 SoftAP.
Sets the IP address of ESP32 Station.
Sets the IP address of ESP32 SoftAP.
Establishes TCP connection, UDP transmission or SSL connection.
Sets configuration of SSL client
Sends data.
Sends data when length of data is <length>, or when \0 appears in the
data.
Closes TCP/UDP/SSL connection.
Gets the local IP address.
Configures the multiple connections mode.
Deletes/Creates TCP or SSL server.
Set the maximum connections that server allows
Configures the transmission mode.
Saves the transparent transmission link in flash.
Sets timeout when ESP32 runs as a TCP server.
Updates the software through Wi-Fi.
Shows remote IP and remote port with +IPD.
Configures the time domain and SNTP server.
Queries the SNTP time.
Ping packets
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5. TCP/IP-Related AT Commands
2019.06