Major Feature Overview; Dhcp/Bootp Auto-Configuration; Device Name/Dhcp Name Registration - Symmetricom ND-SERIES User Manual

Major Feature Overview

The network clocks can be configured using one of the following:
• WinDiscovery software application provided with your clock
• Telnet (once IP address is known or configured)
• RS-232 terminal-style interface (such as Windows™ HyperTerminal application)
Consult the section entitled Configuration for details on how to adjust settings through the
aforementioned mediums.

DHCP/BOOTP Auto-Configuration

DHCP (Dynamic Host Configuration Protocol) is a mechanism for automating the configuration of
networked devices that use TCP/IP. When DHCP is enabled, DHCP configuration acquisition will
overwrite any manual configuration items. A precursor to DHCP is BOOTP. The ND can obtain
configuration from a BOOTP server when no DHCP server is present. Factory default: DHCP enabled.
The following RFC2132-defined optional configuration items are, when available, used by the ND clock
for configuration purposes:
Option
Time Offset
Router
Domain Name Server
Network Time Protocol Server
[Important Note: A network clock will not function properly if configured to use DHCP services when
no DHCP server is present on the network.]

Device Name/DHCP Name Registration

All ND network appliances can be provided with a device name. By default, device names are the
product name abbreviation followed by the last octet of the device's Ethernet address (MAC address).
If a DHCP server is available on the network when the ND clock is installed, the unit will be auto-
registered with the DHCP server. The network system administrator can then view this DHCP name
registration and the currently assigned IP address, at the DHCP server.
The user or network system administrator may wish to designate device names relating to their own
organizational requirements. It is recommended that a robust naming scheme be developed before
devices are installed to different locations within an organization.
ND Clocks User Manual - Rev 2.0.1 Sep-08
No. Comments
2 The value provided will be used for the time zone offset configuration,
unless it is defined as zero in which case it will be ignored and the ND
will rely on internal configuration. Note: this option does not provide
information appropriate for dynamic daylight savings time use.
3 The first IP address provided will be used for router/gateway
configuration.
6 Up to two server IP addresses may be specified. ND clock will treat
addresses as primary and secondary DNS servers.
42 Up to two server IP addresses may be specified. ND clock will treat
addresses as primary and secondary NTP servers.
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Symmetricom , Inc.