Lantronix SISPM1040-xxxx-L3 Web User Guide
33856 Rev. A https://www.lantronix.com/ 329
Egress Latency: Egress latency measured in ns, as defined in IEEE 1588 Section 7.3.4.2. Range is -100000 to
100000.
Version: The PTP version used by this port. The current implementation only supports PTP version 2
Mcast Addr: Configured destination address for multicast packets (PTP Default or LinkLocal)
Not Slave: TRUE indicates that this interface cannot enter slave mode
Local Prio: 1-255, priority used in the 8275.1 BMCA
2 Step Flag: Option to override the 2-step option on port level */ // IEEE 802.1AS specific parameters are only
available when the 802.1AS profile is selected. Select Clock Def., True, or False.
Port Role: Port role of this port.
IsMeasDelay: TRUE if the port is measuring link propagation delay
As Capable: TRUE if the time-aware system at the other end of the link is 802.1AS capable
Neighbor rate ratio: Calculated neighbor rate ratio expressed as the fractional frequency offset multiplied by
2**41.
CAnv: Current Log Announce Interval - log2 of the current announce interval, which is either the configured initial
logAnnounceInterval or the value received in a message interval request
CSyv: Current Log Sync Interval - log2 of the current sync interval, which is either the configured initial
logSyncInterval or the value received in a message interval request
SyncTimeIntrv: Sync Receipt Time Interval - Time interval after which sync receipt timeout occurs if time-
synchronization information has not been received during the interval.
CMPR: Current Log PDelay Req Interval - log2 of the current Pdelay_Req interval, which is either the configured
initial logMinPdelayReqInterval or the value received in a message interval request
AMTE: Acceptable Master Table Enabled - Always FALSE
Comp rate ratio: Current value of compute neighbor rate ratio
Comp Mean delay: Current value of compute Mean Link Delay
Version Number: IEEE 1588 PTP version number (always 2)
NPDT: Neighbor Prop Delay Thresh - Max allowed meanLinkDelay
SRT: Sync Receipt Timeout - Number of time-synchronization transmission intervals that a slave port waits
without receiving synchronization information
ALR: Allowed Lost Responses - Number of Pdelay_Req messages for which a valid response is not received,
above which a port is considered to not be exchanging peer delay messages with its neighbor.
AFs: Allowed Faults - Number of allowed instances where the computed mean propagation delay exceeds the
threshold meanLinkDelayThresh and/or instances where the computation of neighborRateRatio is invalid.
useMgmtSync: Flag to decide the value to be used for sync interval.
SyncIntrvl: If useMgmtSync is set, port uses this value to decide the sync packet interval, else default value is
used. Range is -7 to 4.
useMgmtAnnounce: Flag to decide the value to be used for announce packet interval.
AnnounceIntrvl: If useMgmtAnnounce is set, port uses this value to decide the Announce packet interval, else
default value is used. Range is -3 to 4.
useMgmtPdelay: Flag to decide the value to be used for announce packet interval.
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