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.