Switch Management Commands 1853Default ConfigurationThis command has no default configuration.Command ModeGlobal Configuration modeUser GuidelinesThe SNTP authentication parameter is an MD5 checksum sent to the NTPserver. The key index identified in the sntp server command should beconfigured with the sntp authentication-key command.ExampleThe following example configures the device to accept Simple Network TimeProtocol (SNTP) traffic from the server at IP address 192.1.1.1.console(config)# sntp server 192.1.1.1sntp source-interfaceUse the sntp source-interface command to select the interface from which touse the IP address in the source IP address field of transmitted SNTP packets.Use the no form of the command to revert to the default IP address.Syntaxsntp source-interface {loopback loopback-id | vlan vlan-id}no sntp source-interface• loopback-id — A loopback interface identifier.• vlan-id — A VLAN identifier.Default ConfigurationBy default, the switch uses the assigned switch IP address as the source IPaddress for SNTP packets. This is either the IP address assigned to the VLANfrom which the SNTP packet originates or the out-of-band interface IPaddress.
