SYMMCOMMONPTP

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Organization: Symmetricom

Last Updated: 2018-07-31

Category: Timing and Synchronization

Description: Manages Symmetricom IEEE 1588 PTP clock configuration, port state, and synchronization performance.

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What Is SYMMCOMMONPTP?

SYMMCOMMONPTP is a vendor MIB from Symmetricom that manages IEEE 1588 Precision Time Protocol version 2 (PTPv2) devices, organized into two main branches covering PTPv2 status and PTPv2 configuration. It exposes both configuration data (clock/port settings, domain, profile parameters) and operational status data (port state, synchronization/lock status, offset and performance metrics). Its core monitoring purpose is to verify the software/protocol-level health of time synchronization: whether a PTP port is in the expected state (master/slave/passive), whether the clock is locked and synchronized within tolerance, and whether performance metrics such as offset remain within acceptable bounds, critical for detecting a timing source that has silently drifted or lost sync. It is built specifically around the IEEE 1588-2008 (PTPv2) standard, making its object model directly dependent on that specification's clock and port state model. It is deployed on Symmetricom (later Microsemi) precision timing appliances and grandmaster clocks used in telecom, financial trading, and other environments requiring tightly synchronized network time. Network engineers evaluating or troubleshooting this functionality can download the SYMMCOMMONPTP file directly to load it into their MIB browser.

IPNetwork Monitor allows you to monitor SNMP objects defined in SYMMCOMMONPTP. Use the built-in SNMP Monitoring Browser to explore available variables, view their current values and descriptions, and select the objects you want to monitor. You can then create SNMP monitors, configure thresholds, and receive alerts when monitored values change.

Supported Devices

Symmetricom (Microsemi) PTPv2 grandmaster/timing appliance

Monitoring Examples

An operator would poll the PTPv2 status branch to check each port's synchronization state and offset-from-master value, alerting if a port that should be locked reports an unsynchronized or faulted state, indicating a lost reference or a network path issue disrupting PTP messages. The configuration branch would be checked after a change window to confirm the intended domain number and port role (master vs. slave) were applied correctly across all ports.

What Can Be Monitored

PTP port synchronization state
clock lock/offset status
PTP domain and profile configuration
port role (master/slave/passive)

Imported Objects

From ENTITY-MIB

entPhysicalIndex

OBJECT-TYPE

From IF-MIB

ifIndex	OBJECT-TYPE
ifNumber	OBJECT-TYPE

From SNMPv2-CONF

MODULE-COMPLIANCE
OBJECT-GROUP

From SNMPv2-SMI

Integer32
MODULE-IDENTITY
OBJECT-IDENTITY
OBJECT-TYPE
Unsigned32

From SNMPv2-TC

DisplayString
TEXTUAL-CONVENTION

From SYMM-COMMON-SMI

EnableValue
symmPacketService	OBJECT-IDENTITY

OIDs

OID symbolic	OID numeric	Type	Access	Description
symmPTPv2	1.3.6.1.4.1.9070.1.2.5.1.1			This is the Symmetricom PTPv2 MIB. It has two main nodes: PTPv2 status and PTPv2 configuration.
ptpv2Status	1.3.6.1.4.1.9070.1.2.5.1.1.1
ptpv2StatusTable	1.3.6.1.4.1.9070.1.2.5.1.1.1.1		not-accessible	The PTP status table. This table provides status for the PTP grandmaster operation.
ptpv2StatusEntry	1.3.6.1.4.1.9070.1.2.5.1.1.1.1.1		not-accessible	An entry of the PTPv2 status table. Table index is ifIndex (port and interface index).
I32 ptpv2StatusIndex	1.3.6.1.4.1.9070.1.2.5.1.1.1.1.1.1	Integer32	not-accessible	This is a local index that is not accessible. Range is 1 - 1000.
ENA ptpv2StatusPortEnable	1.3.6.1.4.1.9070.1.2.5.1.1.1.1.1.2	EnableValue	read-only	PTP port state control used to enable or disable PTP service. Values can be Enable (1) or Disable (2).
STR ptpv2StatusClockID	1.3.6.1.4.1.9070.1.2.5.1.1.1.1.1.3	DisplayString	read-only	Clock ID uniquely identifies a PTP clock at a PTP port. It is a 64-bit identifier. In TP5K system each physical PTP port supports one PTP clock.
PTP ptpv2StatusProfile	1.3.6.1.4.1.9070.1.2.5.1.1.1.1.1.4	PTPPROFILEVALUE	read-only	PTP profile supported by the specified PTP port. TP5K system supports the following profiles: (1)Telecom-2008, (2)Default, (3)Hybrid, (4)ITU G.8265.1, (5)Ethernet-default, (6)ITU G.8275.1. (7) ITU G.8275.2 The user guide has descriptions of different profiles and the values of the PTP attributes for each profile.
STR ptpv2StatusClockClass	1.3.6.1.4.1.9070.1.2.5.1.1.1.1.1.5	DisplayString	read-only	PTP clock class is a quality level indication for a PTP clock. Table 5 in IEEE 1588 v2 defines clock classes for general use. ITU G.8265.1 provides a mapping between PTP clock class and synchronization clock quality level for the ITU telecom profile.
STR ptpv2StatusClockAccuracy	1.3.6.1.4.1.9070.1.2.5.1.1.1.1.1.6	DisplayString	read-only	PTP clock accuracy is the expected clock accuracy when the PTP clock is used as a grandmaster. It is used as a selection criterion in the best master clock (BMC) algorithm.
PTP ptpv2StatusTimescale	1.3.6.1.4.1.9070.1.2.5.1.1.1.1.1.7	PTPTIMESCALETYPE	read-only	PTP timescale used by the PTP clock. It can be ARB (2) or PTP (3). If timescale is PTP, the epoch is 1 January 1970 00:00:00 TAI, which is 31 December 1969 23:59:51.999918 UTC.
INT ptpv2StatusNumClient	1.3.6.1.4.1.9070.1.2.5.1.1.1.1.1.8	INTEGER	read-only	Number of PTP clients connected to a PTP port. It value is 0 - 1000.
STR ptpv2StatusClientLoad	1.3.6.1.4.1.9070.1.2.5.1.1.1.1.1.9	DisplayString	read-only	Percentage of PTP client load on a PTP port. This is the percentage of connected client relative to the maximum number of clients that the port can support.
ptpv2ClientDataTable	1.3.6.1.4.1.9070.1.2.5.1.1.1.2		not-accessible	PTP client data table contains raw data for PTP clients.
ptpv2ClientDataEntry	1.3.6.1.4.1.9070.1.2.5.1.1.1.2.1		not-accessible	An entry to the client data table. Table index is the local index.
I32 ptpv2ClientDataIndex	1.3.6.1.4.1.9070.1.2.5.1.1.1.2.1.1	Integer32	read-only	Client data index is a local index. This local index is also called client number.
STR ptpv2ClientData	1.3.6.1.4.1.9070.1.2.5.1.1.1.2.1.2	DisplayString	read-only	Sync interval Client Data is a string of raw data for the entry. It contains the following PTP client information: 1.Module ID (where the client is physically connected) 2.Port ID (where the client is physically connected) 3.Client IP address 4.VLAN ID 5.VLAN priority 6.Client Clock ID 7.Client mode (Clients in TP5K client list are either dynamic or static. Dynamic clients are regular clients that negotiate with GM, and they can come and go from the client list. TP5K also support 10 or 16 static clients that are always on the client list and the GM will always send PTP packets to them whether they respond or not.) 8.Announce interval 9.Sync Interval 10.Delay response interval
ptpv2Config	1.3.6.1.4.1.9070.1.2.5.1.1.2
ptpv2CommonTable	1.3.6.1.4.1.9070.1.2.5.1.1.2.1		not-accessible	The PTP common parameter table has PTP parameters that are not specific to the unicast or multicast addressing mode.
ptpv2CommonEntry	1.3.6.1.4.1.9070.1.2.5.1.1.2.1.1		not-accessible	An entry of the PTP common parameter table. Table index is ifIndex (port and interface index).
I32 ptpv2CommonIndex	1.3.6.1.4.1.9070.1.2.5.1.1.2.1.1.1	Integer32	not-accessible	This is a local index of the PTP common parameter table.
PTP ptpv2Profile	1.3.6.1.4.1.9070.1.2.5.1.1.2.1.1.2	PTPPROFILEVALUE	read-write	Select a PTP profile for the specified PTP port. TP5K system supports five IPv4 'profiles': (1) Telecom2008, (2) Default, (3) Hybrid, (4) ITU8265one, (5) Ethernet-default (6) ITU8275one,(7) ITU G.8275.2 The user guide has descriptions, different profiles, and the values of the PTP attributes for each profile.
STR ptpv2ClockID	1.3.6.1.4.1.9070.1.2.5.1.1.2.1.1.3	DisplayString	read-write	Clock ID uniquely identifies a PTP clock at a PTP port. It is a 64-bit identifier, and its format is xx:xx:xx:xx:xx:xx:xx:xx. In TP5K system, each physical PTP port supports one PTP clock.
U32 ptpv2Priority1	1.3.6.1.4.1.9070.1.2.5.1.1.2.1.1.4	Unsigned32	read-write	Attribute Priority1 for the specified PTP port. It is used in BMC algorithm as a selection criterion. Its range is 0-255, unless restricted by a PTP profile. Default value is 128.
U32 ptpv2Priority2	1.3.6.1.4.1.9070.1.2.5.1.1.2.1.1.5	Unsigned32	read-write	Attribute Priority2 for the specified PTP port. It is used in BMC algorithm as a selection criterion. Its range is 0-255, unless restricted by a PTP profile. Default value is 128.
U32 ptpv2Domain	1.3.6.1.4.1.9070.1.2.5.1.1.2.1.1.6	Unsigned32	read-write	The PTP domain of the specified PTP port. PTP domain is a logical grouping of PTP clocks. All the PTP clocks in the same domain are synchronized to each other using the PTP protocol. The range of the PTP domain is 0-255. Default value is 0. For ITU telecom profile, range is 4-23 and default is 4.
ENA ptpv2DSCPState	1.3.6.1.4.1.9070.1.2.5.1.1.2.1.1.7	EnableValue	read-write	Differentiated service code point (DSCP) state for the specified PTP port. It can be either Enable (1) or Disable (2). Default value is disable. If DSCP state is Enable, the QoS field will have a configured DSCP value.
U32 ptpv2DSCPValue	1.3.6.1.4.1.9070.1.2.5.1.1.2.1.1.8	Unsigned32	read-write	DSCP value for PTP packets leaving this port. Value range is 0-63, and default value is 0.
ENA ptpv2State	1.3.6.1.4.1.9070.1.2.5.1.1.2.1.1.9	EnableValue	read-write	PTP packet service state for the specified PTP port. It can be either Enable (1) or Disable (2). Default value is Enable. When PTP is disabled at a port, it does not transmit or respond to PTP packets, and all alarms associated with PTP for this port are cleared.
I32 ptpv2MaxClient	1.3.6.1.4.1.9070.1.2.5.1.1.2.1.1.10	Integer32	read-write	The maximum number of PTP clients that are allowed to be connected to this PTP port. Max number of clients (1000 is available in Extended mode only and 1000/1500 is available on ptp client license, otherwise 500).
INT ptpv2AnnounceLimit	1.3.6.1.4.1.9070.1.2.5.1.1.2.1.1.11	INTEGER	read-write	The minimum PTP Announce message transmission interval (inverse of the maximum PTP Announce message transmission rate) that the port will accept. This is the exponent of 2, and the value range is -4 to +4. Default is -3. For telecom profile, the range is -3 to +4 and default is 1. If AnnounceLimit = -4, the minimum Announce message transmission interval is = 2^(-4) = 0.0625 seconds, or the maximum message transmission rate is 16 messages per second.
INT ptpv2SyncLimit	1.3.6.1.4.1.9070.1.2.5.1.1.2.1.1.12	INTEGER	read-write	The minimum PTP Sync message interval (inverse of the maximum PTP Sync message transmission rate) that the port will accept. This is the exponent of 2, and the value range is -7 to +7 and default is -7. For telecom profile the range is -7 to +4. If SyncLimit = -4, the minimum Sync message transmission interval is = 2^(-4) = 0.0625 seconds, or the maximum message transmission rate is 16 messages per second.
INT ptpv2DelayLimit	1.3.6.1.4.1.9070.1.2.5.1.1.2.1.1.13	INTEGER	read-write	The minimum PTP Delay_Req message transmission interval that the port will accept (inverse of the maximum PTP Delay_Req message transmission rate). This is the exponent of 2, and the value range is -7 to +7 and default is -7. For telecom profile the range is -7 to +4. If SyncLimit = -4, the minimum Delay_Req message transmission interval is = 2^(-4) = 0.0625 seconds, or the maximum message transmission rate is 16 messages per second.
ENA ptpv2TwoStep	1.3.6.1.4.1.9070.1.2.5.1.1.2.1.1.14	EnableValue	read-write	PTP two-step clock enable. Its value can be Enable (1) or Disable (2). Default value is Disable. If it is disabled, the system will use PTP one-step clock.
PTP ptpv2MgmtAddrMode	1.3.6.1.4.1.9070.1.2.5.1.1.2.1.1.15	PTPMGMTADDRTYPE	read-write	The addressing mode for the PTP management communication between a PTP grandmaster port and PTP clients. It can be either unicast (1) or multicast (2). Default is unicast.
U32 ptpv2TTL	1.3.6.1.4.1.9070.1.2.5.1.1.2.1.1.16	Unsigned32	read-write	IP header time-to-live (TTL) field for the PTP packets. Range is 1-255. Default value is 64.
ENA ptpv2AlternateGM	1.3.6.1.4.1.9070.1.2.5.1.1.2.1.1.17	EnableValue	read-write	PTP alternate master enable state for the specified PTP port. It can be Enable (1) or Disable (2). Default is Disable. When it is disabled, the port is always a master and does not use BMC.
PTP ptpv2TimeScale	1.3.6.1.4.1.9070.1.2.5.1.1.2.1.1.18	PTPTIMESCALETYPE	read-write	PTP timescale to be used by the PTP clock. It can be Auto (1), ARB (2), or PTP (3). Auto means selecting PTP or ARB depending on the reference mode. If timescale is PTP, the epoch is 1 January 1970 00:00:00 TAI, which is 31 December 1969 23:59:51.999918 UTC.
ENA ptpv2Dither	1.3.6.1.4.1.9070.1.2.5.1.1.2.1.1.19	EnableValue	read-write	PTP dither state. It can either be Enable (1) or Disable (2). Default is Disable. Dithering is used to randomize packet transmission time to improve performance.
I32 ptpv2ServiceLoadAlarmThreshold	1.3.6.1.4.1.9070.1.2.5.1.1.2.1.1.20	Integer32	read-write	It shows percentage (%) of PTP service load alarm threshold
ptpv2UnicastTable	1.3.6.1.4.1.9070.1.2.5.1.1.2.2		not-accessible	The PTP unicast configuration table for PTP attributes that are specific to unicast. In TP5K 2.0, only the main shelf supports unicast.
ptpv2UnicastEntry	1.3.6.1.4.1.9070.1.2.5.1.1.2.2.1		not-accessible	An entry to the PTP unicast configuration table. Table index is ifIndex. The unicast table has two attributes: unicast negotiation state and unicast lease duration limit.
I32 ptpv2UnicastIndex	1.3.6.1.4.1.9070.1.2.5.1.1.2.2.1.1	Integer32	not-accessible	Local index of the PTP unicast configuration table.
ENA ptpv2UnicastNeg	1.3.6.1.4.1.9070.1.2.5.1.1.2.2.1.2	EnableValue	read-write	Unicast negotiation state for the specified port. Its value can be Enable (1) or Disable (2).
I32 ptpv2UnicastLeaseDurLimit	1.3.6.1.4.1.9070.1.2.5.1.1.2.2.1.3	Integer32	read-write	Unicast least duration limit (in seconds) is the maximum unicast lease duration request that the grandmaster will accept. Its range is 10 to 1000 seconds. Default value is 300 seconds.
ENA ptpv2UnicastInterfaceRateTLV	1.3.6.1.4.1.9070.1.2.5.1.1.2.2.1.4	EnableValue	read-write	Setup PTP interface rate TLV state.
I32 ptpv2UnicastLeaseExtension	1.3.6.1.4.1.9070.1.2.5.1.1.2.2.1.5	Integer32	read-write	Setup PTP Lease Extension. Default value 0. Range 0-1000
ptpv2MulticastTable	1.3.6.1.4.1.9070.1.2.5.1.1.2.3		not-accessible	The PTP multicast table for PTP attributes that are specific to multicast. In TP5K 2.0, main shelf and expansion shelves all support multicast.
ptpv2MulticastEntry	1.3.6.1.4.1.9070.1.2.5.1.1.2.3.1		not-accessible	An entry to the PTP multicast configuration table. Table index is ifIndex. The multicast table has 6 multicast attributes.
I32 ptpv2MulticastIndex	1.3.6.1.4.1.9070.1.2.5.1.1.2.3.1.1	Integer32	not-accessible	Local index of the PTP multicast configuration table.
INT ptpv2MulticastAnnounceInt	1.3.6.1.4.1.9070.1.2.5.1.1.2.3.1.2	INTEGER	read-write	PTP multicast Announce message transmission interval (inverse of the maximum PTP multicast Announce message transmission rate). This is the exponent of 2, and the value range is -4 to +4. Default value is 1 (which means 2 seconds). If the value of the multicast Announce transmission interval is -4, the message transmission interval is = 2^(-4) = 0.0625 seconds, or the message transmission rate is 16 messages per second.
INT ptpv2MulticastSyncInt	1.3.6.1.4.1.9070.1.2.5.1.1.2.3.1.3	INTEGER	read-write	PTP multicast Sync message transmission interval (inverse of the maximum PTP multicast Sync message transmission rate). This is the exponent of 2, and the value range is -7 to +7. Default value is 0 (i.e. 1 second). If the value of the multicast Sync transmission interval is -4, the message transmission interval is = 2^(-4) = 0.0625 seconds, or the message transmission rate is 16 messages per second.
INT ptpv2MulticastDelayInt	1.3.6.1.4.1.9070.1.2.5.1.1.2.3.1.4	INTEGER	read-write	PTP multicast Delay_Req message transmission interval (inverse of the maximum PTP multicast Delay_Req message transmission rate). This is the exponent of 2, and the value range is -7 to +7.Default value is -7. If the value of the multicast Delay_Req transmission interval is -4, the message transmission interval is = 2^(-4) = 0.0625 seconds, or the message transmission rate is 16 messages per second.
INT ptpv2MulticastAnnoTimeout	1.3.6.1.4.1.9070.1.2.5.1.1.2.3.1.5	INTEGER	read-write	Multicast Announce Receipt Timeout. Its range is 2 to 10 and its unit is number of intervals. Default value is 3 (intervals). It is the number of Announce intervals that has to pass without receiving an Announce message before the PTP port declares Announce_Receipt_Timeout_Expires. If the timeout value is 2 and the multicast announce interval is 4 seconds, then the multicast announce receipt timeout value is 2*4 = 8 seconds.
INT ptpv2MulticastVlanId	1.3.6.1.4.1.9070.1.2.5.1.1.2.3.1.6	INTEGER	read-write	Multicast VLAN ID of the specified PTP port. Each multicast PTP port only supports one VLAN. Range is 0 to 4094. Default value is 0.
INT ptpv2MulticastClientTimeout	1.3.6.1.4.1.9070.1.2.5.1.1.2.3.1.7	INTEGER	read-write	Multicast client timeout. Range is 10 to 3600 seconds. Default value is 300 seconds. TP5000 maintains a list of active PTP clients. If the grandmaster does not receive Delay_Req message from a client for more than this timeout value, the client is removed from the TP5000 client list.
ptpv2G82751Table	1.3.6.1.4.1.9070.1.2.5.1.1.2.4		not-accessible	The PTP itu-g8276-1 configuration table for PTP attributes that are specific to itu-g8276-1. In TP5K 2.2, only the main shelf supports itu-g8276-1.
ptpv2G82751Entry	1.3.6.1.4.1.9070.1.2.5.1.1.2.4.1		not-accessible	An entry to the PTP G82751 configuration table. Table index is ifIndex. The G82751 table has two attributes: multicast address and G82751 local priority.
I32 ptpv2G82751Index	1.3.6.1.4.1.9070.1.2.5.1.1.2.4.1.1	Integer32	not-accessible	Local index of the PTP G82751 configuration table.
G82 ptpv2G82751MulticastAddr	1.3.6.1.4.1.9070.1.2.5.1.1.2.4.1.2	G82751McAddrValue	read-write	G82751 multicast address for the specified port. The valid setting should be mac011b19000000 (1) or mac0180c200000e (2)
I32 ptpv2G82751LocalPriority	1.3.6.1.4.1.9070.1.2.5.1.1.2.4.1.3	Integer32	read-write	PTP G82751 local priority, the valid range is 1 to 255.
ptpv2ReflectorTable	1.3.6.1.4.1.9070.1.2.5.1.1.2.5		not-accessible	PTP Unicast Reflector Table
ptpv2ReflectorEntry	1.3.6.1.4.1.9070.1.2.5.1.1.2.5.1		not-accessible	An entry to the PTP Reflector configuration table. Table index is ifIndex.
I32 ptpv2ReflectorIndex	1.3.6.1.4.1.9070.1.2.5.1.1.2.5.1.1	Integer32	not-accessible	Local index of the PTP Reflector configuration table.
INT ptpv2ReflectorAnnounceIntv	1.3.6.1.4.1.9070.1.2.5.1.1.2.5.1.2	INTEGER	read-write	PTP unicast reflector announce interval. Valid range -3 to 0
INT ptpv2ReflectorSyncDelayIntv	1.3.6.1.4.1.9070.1.2.5.1.1.2.5.1.3	INTEGER	read-write	PTP unicast reflector sync-delay interval. Valid range -7 to -4
I32 ptpv2ReflectorClientTimeout	1.3.6.1.4.1.9070.1.2.5.1.1.2.5.1.4	Integer32	read-write	PTP unicast reflector Client timeout. Valid range 60 to 1000
I32 ptpv2ReflectorVlanID	1.3.6.1.4.1.9070.1.2.5.1.1.2.5.1.5	Integer32	read-write	PTP unicast reflector Vlan-ID. Valid range 2 to 4096. Enter 0 for NONE, 1 denotes Invalid
ptpv2Conformance	1.3.6.1.4.1.9070.1.2.5.1.1.3			This subtree contains conformance statements for the SYMMCOMMONPTP MIB module.
ptpv2Compliances	1.3.6.1.4.1.9070.1.2.5.1.1.3.1
ptpv2BasicCompliance	1.3.6.1.4.1.9070.1.2.5.1.1.3.1.1			The compliance statement for SNMP entities which have PTP packet service.
ptpv2UocGroups	1.3.6.1.4.1.9070.1.2.5.1.1.3.2
ptpv2StatusGroup	1.3.6.1.4.1.9070.1.2.5.1.1.3.2.1			A collection of objects providing information applicable to PTP status group.
ptpv2ClientDataGroup	1.3.6.1.4.1.9070.1.2.5.1.1.3.2.2			A collection of objects providing information applicable to PTP client group.
ptpv2CommonGroup	1.3.6.1.4.1.9070.1.2.5.1.1.3.2.3			A collection of objects providing information applicable to PTP common group.
ptpv2UnicastGroup	1.3.6.1.4.1.9070.1.2.5.1.1.3.2.4			A collection of objects providing information applicable to PTP unicast group.
ptpv2MulticastGroup	1.3.6.1.4.1.9070.1.2.5.1.1.3.2.5			A collection of objects providing information applicable to PTP multicast group.
ptpv2G82751Group	1.3.6.1.4.1.9070.1.2.5.1.1.3.2.6			A collection of objects providing information applicable to PTP G82751 group.

RFC description

Vendor-private MIB for Symmetricom/Microsemi precision timing devices; manages PTPv2 (Precision Time Protocol) configuration and statistics.

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What Is SYMMCOMMONPTP?

Supported Devices

Monitoring Examples

What Can Be Monitored

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RFC description