1b5501f7dSJon LoeligerTo use SNTP support, add define CONFIG_CMD_SNTP to the 2b5501f7dSJon Loeligerconfiguration file of the board. 3ea287debSwdenk 4ea287debSwdenkThe "sntp" command gets network time from NTP time server and 5ea287debSwdenksyncronize RTC of the board. This command needs the command line 6ea287debSwdenkparameter of server's IP address or environment variable 7ea287debSwdenk"ntpserverip". The network time is sent as UTC. So if you want to 8ea287debSwdenkset local time to RTC, set the offset in second from UTC to the 9*c46bf09eSThomas Weberenvironment variable "time offset". 10ea287debSwdenk 11ea287debSwdenkIf the DHCP server provides time server's IP or time offset, you 12ea287debSwdenkdon't need to set the above environment variables yourself. 13ea287debSwdenk 14ea287debSwdenkCurrent limitations of SNTP support: 15ea287debSwdenk1. The roundtrip time is ignored. 16ea287debSwdenk2. Only the 1st NTP server IP, in the option ntp-servers of DHCP, will 17ea287debSwdenk be used. 18