PTP Port Attributes


The PTP Port Attributes screen provides the information described in the following table. Click Edit to change the settings.

Item

Description

Clock ID

The PTP Port Clock Identity (64-bit value). The format is 0Xaaaaaaaaaaaaaaaa. The “a” represents a hex value. The clockid format contains a prefix hex number token (0X) following up to 16 hex characters.

Priority 1(0 - 255)

Indicates the PTP Port Priority 1. Range is 0 to 255.

Priority 2 (0 - 255)

Indicates the PTP Port Priority 2. Range is 0 to 255.

Domain on port A(0 - 255)

Indicates the PTP Domain. Range is 0 to 255.

Sync Msg Rate (-7 to 1)

Indicates the PTP unicast Sync message rate, (2^y), in seconds. Range is -7 to 1. A value of -7 means 128 per second.

Announce Msg Rate(-3 to 3)

Indicates the PTP unicast Announce message rate, (2^y), in seconds. Range is -3 to 3. A value of -3 means 8 per second.

Delay Msg Rate (-7 to 6)

Indicates the PTP unicast Delay message rate, (2^y), in seconds. Range is -7 to 6. A value of -6 means 64 per second.

DSCP Bits (0 – 63)

Indicates DSCP value. Range is 0 to 63.

Max Dynamic Lease Interval (10 – 1000)

Indicates the PTP maximum Dynamic Unicast Lease Interval. Range is 10 to 1000 seconds.

Client Limit (10- 100)

Indicates the Client Limit Threshold, expressed as percentage of absolute client limit that will produce an alarm. Range is valid integer from 10 to 100. Default is 90.

TTL (1-255)

Indicates PTP IPv4 TTL. Range is from 1 to 255. Default is 64.

Two Step

Indicates whether Two step mode is enabled. Value is either Y or N. Default is N.

Profile

Indicates generic Unicast PTP profile type used in telecom before ITU-T G.8265.1 (TELECOM2008).

TELECOM2008 is the only available option.

Packet Service

Indicates the type of packet service used by the PTP blade.

PTP_GM is the only available option.

Note: Client Limit, TTL, Two Step, Profile and Packet Service are applicable only for TimeHub 6.0 devices.