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Table of Contents

Time Server

Time Server

This section is used to enable the setting of the device's internal clock from a network time server. The device's time server will connect to most UNIX systems running "inetd" using either the time server port (UDP 37) or NTP port (UDP 123).

configure Time Server

Usage Guidelines

The time is used when logging is enabled or to time stamp configurations when saved. If the time server function is off, the log time stamp reports how long the device has been up and the saved configuration time stamp will be zero. Automatic daylight savings adjustment is not supported by the device.

To connect to the time server manually, use the sys synchtime command. To set the time manually without using a time server, use sys clock.

Keywords

After entering the configure command for the section, enter one or more of the following keywords.

Enabled = {On | Off}

The Enabled keyword turns the time server access On and Off, respectively.

TimeProtocol = {Timed | SNTP}

The TimeProtocol keyword identifies the type of time server protocol to use. The time server being used will dictate the protocol type to be used.

  • UNIX servers generally use Timed. The default is Timed.

  • Windows servers generally use SNTP (Simple Network Time Protocol).

BindTo = {Ethernet | WAN} slot:port[.subinterface]

Specifies which interface's IP address the concentrator uses as a source address for all packets sent to the time server.

ServerAddress = IP_Address

The ServerAddress keyword is used to tell the device the IP address of the primary time server. All time requests go to this server first. It is recommended that you use a time server which is local to your network. A ServerAddress must be specified if Enabled is set to On.

BackupAddress = IP_Address

The BackupAddress keyword is used to tell the device the IP address of the backup time server. All time requests go to the primary server first. If there is no response then the backup will be used. This address is optional.

Adjust = [-]Number

Adjusts the time from Greenwich Mean Time (GMT) in minutes. The following values apply for U.S. time zones:

PST: -480
MST: -420
CST: -360
EST: -300

Examples

Set timeserver for 198.41.9.30 with an offset of -420 minutes.

[Time Server]
Enabled           = On
TimeProtocol      = Timed
ServerAddress     = 198.41.9.30
Adjust            = -420
 

Related Commands

Command Description

show system

Shows general system information

sys clock

Sets the time on the concentrator

sys synchtime

Forces the concentrator to communicate with a time server


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Posted: Wed Sep 27 10:50:29 PDT 2000
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