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60.2 Typical Examples of SNTP Configuration 
Typical SNTP Configuration 
All switches in the autonomous zone are required to perform time synchronization, which is 
done  through  two  redundant  SNTP/NTP  servers.  For  time  to  be  synchronized,  the  network 
must be properly configured. There should be reachable route between any switch and the two 
SNTP/NTP servers. 
Example:  Assume  the  IP addresses  of  the  SNTP/NTP  servers  are  10.1.1.1  and  20.1.1.1, 
respectively,  and  SNTP/NTP  server  function  (such  as  NTP  master)  is  enabled,  then 
configurations for any switch should like the following:  
Switch#config 
Switch(config)#sntp server 10.1.1.1 
SWITCH 
… … 
SWITCH 
SWITCH 
SNTP/NTP 
SERVER 
SNTP/NTP 
SERVER 










