NETI-TRUNK-MIB

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Organization: Net Insight AB

Last Updated: 2014-03-14

Category: Optical Networking

Description: Configures and monitors trunk group capacity, member links, and utilization on Net Insight Nimbra media nodes.

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What Is NETI-TRUNK-MIB?

NETI-TRUNK-MIB is a Net Insight vendor MIB for managing DTM network trunk links that carry Dynamic synchronous Transfer Mode traffic between Nimbra network nodes. It focuses on the DPP-IP group, which encapsulates DTM traffic over IP/Ethernet, exposing configuration objects like peer addressing and capacity allocation alongside operational status. It supports monitoring of hardware/link status and performance by exposing trunk member link identity, IP addressing details, and transmit capacity usage, letting operators detect trunk misconfiguration or capacity exhaustion. As a DPP-IP-specific extension, it depends on the broader Net Insight trunk/DTM network model and related Nimbra platform MIBs for full topology context. It is deployed in Nimbra-based media transport networks where DTM trunks are carried over conventional IP/Ethernet infrastructure between sites. Engineers can download the NETI-TRUNK-MIB file directly to load it into their MIB browser.

IPNetwork Monitor allows you to monitor SNMP objects defined in NETI-TRUNK-MIB. 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

Net Insight Nimbra media transport node
DTM-over-IP trunk gateway

Monitoring Examples

An operator would walk dppipTable/dppipEntry to list configured DPP-IP trunks, checking dppipAddress, dppipPeerAddress, and dppipDefaultGateway for correct IP-layer connectivity between trunk endpoints. Polling dppipTxUsedCapacity against the trunk's total slot count from dppipTxSlots reveals how close a trunk is to capacity saturation, which would explain packet loss or blocked new service allocations. A change in dppipLastChange combined with an unexpected dppipNetMask value would suggest a recent, possibly erroneous, network reconfiguration.

What Can Be Monitored

trunk link configuration
peer IP address and gateway
transmit capacity used vs available
trunk member count
last configuration change time

Imported Objects

From NETI-COMMON-MIB

netiGeneric

OBJECT-IDENTITY

From SNMP-FRAMEWORK-MIB

SnmpAdminString

From SNMPv2-SMI

Counter64
Gauge32
Integer32
IpAddress
MODULE-IDENTITY
OBJECT-TYPE
Unsigned32

From SNMPv2-TC

RowPointer
TEXTUAL-CONVENTION
TimeStamp
TruthValue

How to Use in IPNetwork Monitor

Example using dppipReceivedFrames OID:

Select a Net Insight Nimbra media transport node (DTM trunk links over IP) as the target host to create a monitor — the SNMP service should be up and running on it. Click New Monitor, then check SNMP Custom on the Favorites tab, click Next, and confirm the host. On the next page, click Select... to open the built-in SNMP MIB Browser and type dppipReceivedFrames into the Find box to locate it in the OID tree, selecting the specific row/instance you want to monitor since this is a table column, then select it and click OK. The total number of DPP-IP frames that have been received. On the monitor's Main parameters page you can set the target's SNMP port (default 161), credentials, polling interval, and other settings — see the SNMP Monitor help for details. On the State conditions and Alerting tabs, configure when the monitor should change state and trigger an alert; since this is a Counter64-type OID, Value bounds is the most useful condition here — trigger an alert if the counter increases sharply between polls relative to its normal baseline, since an unexpected spike often reflects a real change in traffic or activity. Click Finish to create the monitor; you can adjust any parameter later.

OIDs

OID symbolic	OID numeric	Type	Access	Description
IP dppipAddress	1.3.6.1.4.1.2928.2.3.1.1.3.1.3	IpAddress	read-write	The IPv4 address of the DPP-IP interface.
INT dppipAdminStatus	1.3.6.1.4.1.2928.2.3.1.1.3.1.25	INTEGER	read-write	The desired state of the interface.
G32 dppipAvailRxSlots	1.3.6.1.4.1.2928.2.3.1.1.3.1.35	Gauge32	read-only	The maximum receive slot rate (slots/frame) that can be allocated at the DTM switch.
G32 dppipAvailTxSlots	1.3.6.1.4.1.2928.2.3.1.1.3.1.34	Gauge32	read-only	The maximum transmit slot rate (slots/frame) that can be allocated at the DTM switch.
INT dppipCntControl	1.3.6.1.4.1.2928.2.3.1.1.3.1.46	INTEGER	read-write	Controls the statistics counter monitoring. The statistics monitoring is restarted and all counters set to 0, by writing `reset' to this object.
IP dppipDefaultGateway	1.3.6.1.4.1.2928.2.3.1.1.3.1.5	IpAddress	read-write	The IPv4 address of the default gateway. Packets addressed to a destination outside the subnet of the DPP-IP interface are by default routed to this gateway.
U32 dppipDegPeriod	1.3.6.1.4.1.2928.2.3.1.1.3.1.50	Unsigned32	read-write	The persistence time for detection of DEG alarm as the number of consecutive seconds with changed status (bad or good) before the alarm is set or cleared.
U32 dppipDegThreshold	1.3.6.1.4.1.2928.2.3.1.1.3.1.49	Unsigned32	read-write	The detection threshold for DEG alarm. A bad second is declared when the number of errored blocks is equal to or greater than the threshold, otherwise a good second is declared. Default is 1200
U32 dppipDelayVar01	1.3.6.1.4.1.2928.2.3.1.1.3.1.27	Unsigned32	read-only	The 0.1 percentile value of the DPP-IP path delay variation given in nanoseconds. The special value 0 means that the measurement is incomplete.
U32 dppipDelayVar999	1.3.6.1.4.1.2928.2.3.1.1.3.1.24	Unsigned32	read-only	The 99.9 percentile value of the DPP-IP path delay variation given in nanoseconds. The special value 0 means that the measurement is incomplete.
U32 dppipDelayVariation	1.3.6.1.4.1.2928.2.3.1.1.3.1.11	Unsigned32	read-only	The RMS (i.e. standard deviation) value of the DPP-IP path delay variation in ns. This value represents a momentary snapshot of the delay variation.
U32 dppipDelayVarPtp	1.3.6.1.4.1.2928.2.3.1.1.3.1.23	Unsigned32	read-only	The point-to-point value of the DPP-IP path delay variation in nanoseconds. The special value 0 means that the measurement is incomplete
C64 dppipDeliveredFrames	1.3.6.1.4.1.2928.2.3.1.1.3.1.16	Counter64	read-only	The total number of DPP-IP data frames that have been delivered to the DTM interface.
C64 dppipDroppedFrames	1.3.6.1.4.1.2928.2.3.1.1.3.1.17	Counter64	read-only	The number of DPP-IP frames that have been received and have not been processed since the interface was unable to align them to the DPP-IP frame sequence.
U32 dppipDscp	1.3.6.1.4.1.2928.2.3.1.1.3.1.32	Unsigned32	read-write	The Differential Services Coding Point of frames sent at the DPP-IP interface. This value is set in the IP header.
DPP dppipDTSupport	1.3.6.1.4.1.2928.2.3.1.1.4.1.11	DppipSupport	read-only	The local interface's maximum level of support for the Dynamic Trunk function.
C64 dppipDuplicateFrames	1.3.6.1.4.1.2928.2.3.1.1.3.1.18	Counter64	read-only	The number of DPP-IP frames that were received with a sequence number of an already processed DPP-IP frame.
dppipEntry	1.3.6.1.4.1.2928.2.3.1.1.3.1		not-accessible	A DPP-IP interface entry containing objects at the subnetwork layer and below for a particular interface.
STR dppipFailure	1.3.6.1.4.1.2928.2.3.1.1.3.1.13	SnmpAdminString	read-only	A textual string describing a fault status on the DPP-IP interface. The object presents an empty string if there are no faults on the interface.
dppipGroup	1.3.6.1.4.1.2928.2.3.1.1
U32 dppipIndex	1.3.6.1.4.1.2928.2.3.1.1.3.1.1	Unsigned32	not-accessible	A value greater than zero that is unique for each DPP-IP interface. The value for each DPP-IP interface must remain constant at least from one re-initialization of the entity's network management system to the next re-initialization.
TIM dppipLastChange	1.3.6.1.4.1.2928.2.3.1.1.2	TimeStamp	read-only	The value of sysUpTime when status or configuration of any the objects in the dppipTable was last changed.
dppipLimitsEntry	1.3.6.1.4.1.2928.2.3.1.1.4.1		not-accessible	A DPP-IP interface limits entry containing limits for a particular interface.
dppipLimitsTable	1.3.6.1.4.1.2928.2.3.1.1.4		not-accessible	A list of DPP-IP interface limits entries. The number of entries is given by the value of dppipNumber.
C64 dppipLostFrames	1.3.6.1.4.1.2928.2.3.1.1.3.1.20	Counter64	read-only	The number of missing DPP-IP data frames that could not be delivered to the DTM interface.
U32 dppipMaxFecCols	1.3.6.1.4.1.2928.2.3.1.1.4.1.4	Unsigned32	read-only	The DPP-IP interface's maximum number of data columns in the transmit side Forward Error Correction (FEC) matrix.
U32 dppipMaxFecElems	1.3.6.1.4.1.2928.2.3.1.1.4.1.6	Unsigned32	read-only	The DPP-IP interface's maximum number of data elements in the transmit side Forward Error Correction (FEC) matrix.
FEC dppipMaxFecMode	1.3.6.1.4.1.2928.2.3.1.1.4.1.1	FecMode	read-only	The DPP-IP interface's maximum mode of operation of the Forward Error Correction function (FEC). The FEC function may be not used (fecNone), used for column correction (fec1D) or used for both row and column correction (fec2D).
U32 dppipMaxFecRows	1.3.6.1.4.1.2928.2.3.1.1.4.1.2	Unsigned32	read-only	The DPP-IP interface's maximum number of data rows in the transmit side Forward Error Correction (FEC) matrix.
U32 dppipMaxTolJitter	1.3.6.1.4.1.2928.2.3.1.1.4.1.9	Unsigned32	read-only	The maximum tolerated jitter that can be configured expressed in units of DPP-IP inter-frame intervals. The DPP-IP inter-frame interval in microseconds is: dppipRxSlotsPerFrame * 125 / dppipRxSlots.
U32 dppipMaxTxSlots	1.3.6.1.4.1.2928.2.3.1.1.4.1.7	Unsigned32	read-only	The maximum number of slots per DTM frame that can be allocated at the DPP-IP transmit interface.
U32 dppipMinFecCols	1.3.6.1.4.1.2928.2.3.1.1.4.1.5	Unsigned32	read-only	The DPP-IP interface's minimum number of data columns in the transmit side Forward Error Correction (FEC) matrix.
U32 dppipMinFecRows	1.3.6.1.4.1.2928.2.3.1.1.4.1.3	Unsigned32	read-only	The DPP-IP interface's minimum number of data rows in the transmit side Forward Error Correction (FEC) matrix.
U32 dppipMinTolJitter	1.3.6.1.4.1.2928.2.3.1.1.4.1.10	Unsigned32	read-only	The minimum tolerated jitter that can be configured expressed in units of DPP-IP inter-frame intervals. The DPP-IP inter-frame interval in microseconds is: dppipRxSlotsPerFrame * 125 / dppipRxSlots.
U32 dppipMinTxSlots	1.3.6.1.4.1.2928.2.3.1.1.4.1.8	Unsigned32	read-only	The minimum number of slots per DTM frame that can be allocated at the DPP-IP transmit interface.
U32 dppipMinUsageRatio	1.3.6.1.4.1.2928.2.3.1.1.3.1.36	Unsigned32	read-write	The minimum allowed usage ratio (used slots/configured slots) in per-mille, when dynamic trunk functionality is used. 1000 is default and indicates that the Dynamic Trunk function is disabled. Requires Dynamic Trunk function support equal to 1.1 or higher.
C64 dppipMissingFrames	1.3.6.1.4.1.2928.2.3.1.1.3.1.15	Counter64	read-only	The number of DPP-IP frames that were missing in the frame sequence, i.e. the expected sequence numbers were not found in the DPP-IP framing buffer.
U32 dppipMtu	1.3.6.1.4.1.2928.2.3.1.1.3.1.30	Unsigned32	read-write	The Maximum Transmission Unit of the DPP-IP interface, i.e. the maximum size of the DPP-IP payload, including IP header, UDP header and DPP-IP header.
STR dppipName	1.3.6.1.4.1.2928.2.3.1.1.3.1.2	SnmpAdminString	read-only	The textual name of the interface. The value of this object should be the name of the DPP-IP interface as assigned by the local device.
IP dppipNetMask	1.3.6.1.4.1.2928.2.3.1.1.3.1.4	IpAddress	read-write	The subnet mask associated with the IP address of DPP-IP interface. The value of the mask is an IP address with all the network bits set to 1 and all the hosts bits set to 0.
U32 dppipNomDTDelay	1.3.6.1.4.1.2928.2.3.1.1.3.1.39	Unsigned32	read-only	The nominal extra delay in ns when the Dynamic Trunk function is enabled. Requires Dynamic Trunk function support equal to 1.1 or higher.
I32 dppipNumber	1.3.6.1.4.1.2928.2.3.1.1.1	Integer32	read-only	The number of DPP-IP interfaces (regardless of their current state) present on this system.
INT dppipOperStatus	1.3.6.1.4.1.2928.2.3.1.1.3.1.12	INTEGER	read-only	The current operational state of the interface. The testing(3) state indicates that no operational frames can be passed.
IP dppipPeerAddress	1.3.6.1.4.1.2928.2.3.1.1.3.1.6	IpAddress	read-write	The IPv4 address of the peer DPP-IP interface at the remote end of the DTM trunk.
DPP dppipPeerDTSupport	1.3.6.1.4.1.2928.2.3.1.1.5.1.9	DppipSupport	read-only	The peer interface's maximum level of support for the Dynamic Trunk function.
dppipPeerLimitsEntry	1.3.6.1.4.1.2928.2.3.1.1.5.1		not-accessible	A DPP-IP interface peer limits entry containing limits for the peer of a particular interface.
dppipPeerLimitsTable	1.3.6.1.4.1.2928.2.3.1.1.5		not-accessible	A list of DPP-IP interface limits entries. The number of entries is given by the value of dppipNumber.
U32 dppipPeerMaxFecCols	1.3.6.1.4.1.2928.2.3.1.1.5.1.4	Unsigned32	read-only	The peer interface's maximum number of data columns in the receive side Forward Error Correction (FEC) matrix.
U32 dppipPeerMaxFecElems	1.3.6.1.4.1.2928.2.3.1.1.5.1.6	Unsigned32	read-only	The peer interface's maximum number of data elements in the receive side Forward Error Correction (FEC) matrix.
FEC dppipPeerMaxFecMode	1.3.6.1.4.1.2928.2.3.1.1.5.1.1	FecMode	read-only	The peer interface's maximum mode of operation of the Forward Error Correction function (FEC). The FEC function may be not used (fecNone), used for column correction (fec1D) or used for both row and column correction (fec2D).
U32 dppipPeerMaxFecRows	1.3.6.1.4.1.2928.2.3.1.1.5.1.2	Unsigned32	read-only	The peer interface's maximum number of data rows in the receive side Forward Error Correction (FEC) matrix.
U32 dppipPeerMaxRxSlots	1.3.6.1.4.1.2928.2.3.1.1.5.1.7	Unsigned32	read-only	The maximum number of slots per DTM frame that can be allocated at the receive interface in the peer.
U32 dppipPeerMinFecCols	1.3.6.1.4.1.2928.2.3.1.1.5.1.5	Unsigned32	read-only	The peer interface's minimum number of data columns in the receive side Forward Error Correction (FEC) matrix.
U32 dppipPeerMinFecRows	1.3.6.1.4.1.2928.2.3.1.1.5.1.3	Unsigned32	read-only	The peer interface's minimum number of data rows in the receive side Forward Error Correction (FEC) matrix.
U32 dppipPeerMinRxSlots	1.3.6.1.4.1.2928.2.3.1.1.5.1.8	Unsigned32	read-only	The minimum number of slots per DTM frame that can be allocated at the DPP-IP receive interface of the peer.
DPP dppipPeerTTSupport	1.3.6.1.4.1.2928.2.3.1.1.5.1.10	DppipSupport	read-only	The peer interface's maximum level of support for the Time Transfer function.
NUM dppipPhysIf	1.3.6.1.4.1.2928.2.3.1.1.3.1.29	RowPointer	read-only	A reference to an object representing the physical interface that supports the DPP-IP interface. The special value .0.0 is used, when no such reference is available.
U32 dppipPrio	1.3.6.1.4.1.2928.2.3.1.1.3.1.28	Unsigned32	read-write	The Ethernet priority for frames sent from the DPP-IP interface. Ignored if frames are untagged (i.e. dppipVlan is -1).
C64 dppipReceivedFramesEx	1.3.6.1.4.1.2928.2.3.1.1.3.1.14	Counter64	read-only	The total number of DPP-IP frames that have been received.
C64 dppipRecoveredFrames	1.3.6.1.4.1.2928.2.3.1.1.3.1.21	Counter64	read-only	The number of missing DPP-IP data frames that were recovered by the FEC procedure.
C64 dppipReorderedFrames	1.3.6.1.4.1.2928.2.3.1.1.3.1.19	Counter64	read-only	The number of DPP-IP frames that were received out of order, but could still be aligned to the DPP-IP frame sequence.
U32 dppipRxFecCols	1.3.6.1.4.1.2928.2.3.1.1.3.1.45	Unsigned32	read-only	The DPP-IP interface's current number of data columns in the receive side Forward Error Correction (FEC) matrix. This object is not applicable when dppipRxFecMode is fecNone.
FEC dppipRxFecMode	1.3.6.1.4.1.2928.2.3.1.1.3.1.43	FecMode	read-only	The DPP-IP interface's current mode of operation of the receive side Forward Error Correction function (FEC). The FEC function may be not used (fecNone), used for column correction (fec1D) or used for both row and column correction (fec2D).
U32 dppipRxFecRows	1.3.6.1.4.1.2928.2.3.1.1.3.1.44	Unsigned32	read-only	The DPP-IP interface's current number of data rows in the receive side Forward Error Correction (FEC) matrix. This object is not applicable when dppipRxFecMode is fecNone.
G32 dppipRxSlots	1.3.6.1.4.1.2928.2.3.1.1.3.1.9	Gauge32	read-only	The DPP-IP interface's current receive side capacity in slots per DTM frame.
U32 dppipRxSlotsPerFrame	1.3.6.1.4.1.2928.2.3.1.1.3.1.33	Unsigned32	read-only	Number of DTM slots per received DPP-IP data frame.
G32 dppipRxTranspSlots	1.3.6.1.4.1.2928.2.3.1.1.3.1.38	Gauge32	read-only	The DPP-IP interface's current receive side capacity in slots per DTM frame that is actually transported. When Dynamic Trunk functionality is disabled this is equal to dppipRxSlots. When Dynamic Trunk functionality is enabled this is less or equal to dppipRxSlots, since slots that are not used by any channel need not be transported. Requires Dynamic Trunk function support equal to 1.1 or higher.
G32 dppipRxUsedCapacity	1.3.6.1.4.1.2928.2.3.1.1.3.1.10	Gauge32	read-only	An estimate of the receive side physical layer capacity used by the DPP-IP interface in bits per second. It represents a minimum required capacity along the network path.
C64 dppipSentFrames	1.3.6.1.4.1.2928.2.3.1.1.3.1.22	Counter64	read-only	The total number of DPP-IP frames that have been sent.
U32 dppipSigFailFilter	1.3.6.1.4.1.2928.2.3.1.1.3.1.48	Unsigned32	read-write	Signal fail filter hold-off time in milliseconds. Trail Signal Fail conditions must be persistent during the hold-off time, before operStatus is changed from `up' to `down'.
T/F dppipSuppressAlarms	1.3.6.1.4.1.2928.2.3.1.1.3.1.47	TruthValue	read-write	Suppression control for alarms from the DPP-IP interface. When set to `true', all alarms are suppressed.
dppipTable	1.3.6.1.4.1.2928.2.3.1.1.3		not-accessible	A list of DPP-IP interface entries. The number of entries is given by the value of dppipNumber. The following objects need to be written simultaneously, i.e. as a single write operation, while dppipAdminStatus is `up': dppipTxSlots, dppipMtu, dppipTxFecMode, dppipTxFecRows, dppipTxFecCols
U32 dppipTolJitter	1.3.6.1.4.1.2928.2.3.1.1.3.1.51	Unsigned32	read-write	The tolerated jitter and wander of the DPP-IP interface given in microseconds.
U32 dppipTtl	1.3.6.1.4.1.2928.2.3.1.1.3.1.31	Unsigned32	read-write	The Time To Live of frames sent at the DPP-IP interface. This value is set in the IP header.
DPP dppipTTSupport	1.3.6.1.4.1.2928.2.3.1.1.4.1.12	DppipSupport	read-only	The local interface's maximum level of support for the Time Transfer function.
U32 dppipTxFecCols	1.3.6.1.4.1.2928.2.3.1.1.3.1.42	Unsigned32	read-write	The DPP-IP interface's current number of data columns in the transmit side Forward Error Correction (FEC) matrix. This object is not applicable when dppipTxFecMode is fecNone.
FEC dppipTxFecMode	1.3.6.1.4.1.2928.2.3.1.1.3.1.40	FecMode	read-write	The DPP-IP interface's current mode of operation of the transmit side Forward Error Correction function (FEC). The FEC function may be not used (fecNone), used for column correction (fec1D) or used for both row and column correction (fec2D).
U32 dppipTxFecRows	1.3.6.1.4.1.2928.2.3.1.1.3.1.41	Unsigned32	read-write	The DPP-IP interface's current number of data rows in the transmit side Forward Error Correction (FEC) matrix. This object is not applicable when dppipTxFecMode is fecNone.
U32 dppipTxSlots	1.3.6.1.4.1.2928.2.3.1.1.3.1.7	Unsigned32	read-write	The DPP-IP interface's current transmit side capacity in slots per DTM frame.
G32 dppipTxTranspSlots	1.3.6.1.4.1.2928.2.3.1.1.3.1.37	Gauge32	read-only	The DPP-IP interface's current transmit side capacity in slots per DTM frame that is actually transported over the. When Dynamic Trunk functionality is disabled this is equal to dppipTxSlots. When Dynamic Trunk functionality is enabled this is less or equal to dppipTxSlots, since slots that are not used by any channel need not be transported. Requires Dynamic Trunk function support equal to 1.1 or higher.
G32 dppipTxUsedCapacity	1.3.6.1.4.1.2928.2.3.1.1.3.1.8	Gauge32	read-only	An estimate of the transmit side physical layer capacity used by the DPP-IP interface in bits per second. It represents a minimum required capacity along the network path.
I32 dppipVlan	1.3.6.1.4.1.2928.2.3.1.1.3.1.26	Integer32	read-write	The VLAN identity associated to the DPP-IP interface. The value 0 indicates that the DPP-IP interface does not belong to a VLAN. The value -1 indicates that Ethernet frames from the DPP-IP interface are not tagged.
netiTrunkMIB	1.3.6.1.4.1.2928.2.3			MIB for DTM network links (trunks). DTM trunks provide transport of DTM data between two DTM networks nodes. The MIB currently includes the DPP-IP group (neti-dppip), providing management of DPP-IP encapsulated DTM over IP/Ethernet. It includes configuration information and status.
trunkObjects	1.3.6.1.4.1.2928.2.3.1

RFC description

Net Insight DTM trunk management for DPP-IP transport over IP and Ethernet.

Start monitoring Net Insight Nimbra media transport node (DTM trunk links over IP) with a free 30-day trial of IPNetwork Monitor. Import MIBs, browse SNMP OIDs, create custom SNMP monitors, configure alerts, and monitor any SNMP-enabled network device from a single console.

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