Supermicro B13SEG Owner's Manual page 102

Super B13SEG User's Manual
Preferred DNS server IP
Use this feature to enter the preferred DNS server IP address in dotted-decimal notation
(e.g., 255.255.255.255).
Alternative DNS server IP
Use this feature to enter the alternative DNS server IP address in dotted-decimal notation
(e.g., 255.255.255.255).
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