Sntp Protocol; Security - GE 845 Instruction Manual

DEVICE

SNTP Protocol

FASTPATH:

Security

4–14
PTP VLAN PRIORITY
Range: 0 to 7
Default: 4
The setting selects the value of the priority field in the 802.1Q VLAN tag in request
messages issued by the relay's peer delay mechanism. In compliance with PP (Power
Profile) the default VLAN priority is 4, but it is recommended that in accordance with PTP
it be set to 7.
Depending on the characteristics of the device to which the relay is directly linked, VLAN
Priority may have no effect.
The setting applies to all of the relay's PTP-capable ports.
PTP VLAN ID
Range: 0 to 4095
Default: 0
The setting selects the value of the ID field in the 802.1Q VLAN tag in request messages
issued by the relay's peer delay mechanism. It is provided in compliance with PP (Power
Profile). As these messages have a destination address that indicates they are not to be
bridged, their VLAN ID serves no function, and so may be left at its default value.
Depending on the characteristics of the device to which the relay is directly linked, VLAN
ID may have no effect.
The setting applies to all of the relay's PTP-capable ports.
PTP PRIORITY
Range: 1, 2
Default: 1
The setting sets the priority of PTP time for the relay. If set to 1 and IRIG-B is available, the
relay syncs the relay's time reference to the PTP time. If set to 2 and IRIG-B is available,
the relay syncs its reference to IRIG-B time.
Path:
Setpoints > Device > Real Time Clock > SNTP
SNTP FUNCTION
Range: Disabled, Enabled
Default: Disabled
SNTP SERVER IP ADDRESS
Range: Standard IP Address Format
Default: 0.0.0.0
SNTP UDP PORT NUMBER
Range: 0 to 65535 in steps of 1
Default: 123
The SNTP and PTP settings take effect after rebooting the relay.
The following security features are available:
• Basic Security – The basic security feature present in the default offering of the
product.
• CyberSentry – The feature refers to the advanced security options available as a
software option. When this option is purchased, it is automatically enabled and Basic
Security is disabled.
GENERAL RULES FOR ROLES
845 TRANSFORMER PROTECTION SYSTEM – INSTRUCTION MANUAL
CHAPTER 4: SETPOINTS