Orolia Spectracom VelaSync 1232, User Manual

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Require Authentication (checkbox)—Check this box if you want the
additional security of authorized access. VelaSync to accept only
authenticated requests (MD5) from this user or network segment.
Allow NTP Queries (checkbox)—Check this box if you want to allow
external NTP queries into VelaSync services.
5.
Click the Submit button.
2.10.11 Spectracom Technical Support for NTP
Spectracom does not provide technical assistance for configuring and installing NTP on
Unix-based applications. Please refer to
www.ntp.org for NTP information and FAQs.
Another helpful source is the Internet newsgroup at news://comp.protocols.time.ntp .
Spectracom can provide support for Microsoft
®
Windows-based time synchronization.
See
spectracom.com
for additional information, or contact Spectracom Technical Sup-
port.
2.11 Configuring PTP
Precision Time Protocol (PTP) is a time protocol that can be used to synchronize com-
puters on an Ethernet network. VelaSync supports PTP Version 1 and 2, as specified in the
IEEE 1588-2002 and IEEE 1588-2008 standard, via four (4) Ethernet ports.
VelaSync currently can be configured as a PTP Master Clock only.
Next to PTP specifications, this topic describes the PTP menu items and settings, and out-
lines how to set up VelaSync as a PTP Master.
PTP Specifications
Inputs/Outputs : (4) Port
Signal Type : Ethernet
Management : Web UI
Network Speeds : 100 Mb/s, 1Gb/s, or 10Gb/s
PTP Version supported: PTP 1 IEEE (1588-2002) and 2 (IEEE 1588-2008)
PTP Profiles supported: Default, Telecom, Enterprise
Transmission modes : Unicast, Multicast (IPv4 and Ethernet), and Hybrid [default]
Timestamping : VelaSync has PTP time stamp functionality which is set to use the
UTC timescale.
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2.11 Configuring PTP