Table of Contents
13.1 Commands for SNTP
13.1.1 clock timezone
Function: This command configures time zone in Global Mode. The no command deletes the configured time zone.
Parameters:
-
<WORD>: time zone name with a length limit of 16 characters.
-
add | subtract: specifies the action desired.
-
<0-23>: hour value.
-
<0-59>: minute value.
Command mode: Global Mode
Default: None.
Usage guide: The time zone name is invalid if blank. The hour and minute value must be within the specified range.
Example: Configure the action of adding the eighth time zone globally.
active500EM(config)#clock timezone aaa add 8
13.1.2 debug sntp
no debug sntp {adjust | packet | select}
Function: Displays or disables SNTP debug information.
Parameters:
-
adjust: SNTP clock adjustment information.
-
packet: SNTP packets.
-
select: SNTP clock selection.
Command mode: Admin Mode
Default: None.
Usage guide: Displays or disables SNTP debug information.
Example: Display debugging information for SNTP packet:
active500EM#debug sntp packet
13.1.3 sntp polltime
no sntp polltime
Function: Sets the interval for SNTP clients to send requests to NTP/SNTP. The no command cancels the polltime and restores to default.
Parameters:
-
<interval>: interval value. The valid range is from 16 to 16284.
Command mode: Global Mode
Default: 64 seconds.
Usage guide: Sets the interval for SNTP clients to send requests to NTP/SNTP.
Example: Set the client to send a request to the server every 128 seconds.
active500EM#config active500EM(config)#sntp polltime128
13.1.4 sntp server
Function: Enables the specified time server as a clock source. The no command deletes the specified time server.
Parameters:
-
<ip-address>: IPv4 address of time server.
-
<ipv6-address>: IPv6 address of time server.
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source: interface of the source address.
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vlan: selects the VLAN for configuration.
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<vlan no>: VLAN number. The valid range is from 1 to 4094.
-
loopback: selects the loopback interface for configuration.
-
<loopback no>: loopback identifier. The valid range is from 1 to 1024.
-
version: selects the server version for configuration.
-
<version-no>: version number. The valid range is from 1 to 4. The default is 4.
Command mode: Global Mode
Default: Do not configure the time server.
Usage guide: Enables the specified time server as a clock source.
Example: Configure the time server address as 1.1.1.1. Specify the interface of the source address as vlan1.
active500EM(config)#sntp server 1.1.1.1 source vlan 1
Delete the time server that the address is 1.1.1.1 and the interface of the specified source address is vlan1.
active500EM(config)#no sntp server 1.1.1.1 source vlan 1
13.1.5 show sntp
Function: Displays the current SNTP client configuration and server status.
Parameters: None.
Command mode: Admin Mode and Configuration Mode
Default : None.
Usage guide: Displays the current SNTP client configuration and server status.
Example: Display the current SNTP configuration:
active500EM#show sntp server address version last receive 2.1.0.2 1 6
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