CISCO-WAN-NCDP-MIB Download
This MIB module is intended for the management of network clock
distribution and the Network Clock Distribution Protocol (NCDP)
in Cisco MGX ATM switches. This MIB allows enabling automatic network
clock configuration and distribution as well as configuration of
manual clock sources.
NCDP allows automatic distribution of network clocking sources
in the network. A spanning network clock distribution tree is
constructed by each node in the network and each node is
synchonized to one single 'master' clock reference.
A source of network clock for the device may be an oscillator
local to the device or a Building Integrated Timing Supply (BITS)
port or an interface that supports synchronous clock recovery.
An 'index'('cwnClockSourceIndex') is assigned by the NCDP
protocol entity in the managed system to identify each available
source of network clock on the managed system
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OID list for CISCO-WAN-NCDP-MIB
- cwnDistributionMethod
- The method used to distribute network clock for the device. When the mode of operation is 'ncdp', this device participates in NCDP protocol. A single 'master' clock source will be identified as the clock source for this network as a result. The tables 'cw ...
- cwnNodeStratum
- This variable contains the stratum level of the node. This object is only used if the distribution method is 'ncdp'.
- cwnMaxDiameter
- The maximum possible height of a network clock distribution tree in the network. This variable must be configured with the same value for all devices participating in NCDP within the network. This object is only used if the distribution method is 'ncdp'.
- cwnMessageInterval
- The interval at which NCDP configuration PDUs ('Hellos') are to be generated. The message interval directly affects the convergence time of the NCDP algorithm. Convergence time is equal to the max network diameter * message interval + transmission delays ...
- cwnHoldTime
- The minimum delay between the transmission of two consecutive NCDP configuration PDUs on an interface. The value of this object should normally be set to match the value of cwnMessageInterval. If the value of this object is higher than the value of cwnMe ...
- cwnChangeReason
- The reason for the most recent change of a source of network clock, as indicated by the change in the value of 'ciscoWanChangeTimeStamp'. 'none' indicates that the source of network clock has not changed. 'lossOfLock' indicates that the clock source was c ...
- cwnChangeTimeStamp
- The value of sysUpTime when the most recent change of a source of network clock occurred. A value of 0 indicates that no such event has occurred since the instantiation of this object.
- cwnRootClockSource
- The 'index' of the network clock source that is actively supplying network clock within the device. When the value of this variable is used as an index into the 'cwnAtmSourceTable' and the indicated clock source has 'cwnAtmSourceBestClockSource' with valu ...
- cwnClockSourceTable
- A table of network clock sources available to the managed system.
- cwnClockSourceEntry
- An entry in this table contains an available clock source on the device. A source of network clock for the device may be an oscillator local to the device or a Building Integrated Timing Supply (BITS) port or an interface that supports synchronous clock r ...
- cwnClockSourceIndex
- An 'index' assigned by the device which uniquely identifies an available clock source on the device. ::= { cwnClockSourceEntry 1 } SYNTAX DisplayString MAX-ACCESS read-only STATUS current DESCRIPTION A description of the clock source asso ...
- cwnInterfaceIndex
- If this variable has a non-zero value, this is the 'ifIndex' associated with this entry. The 'ifIndex' identifies an ATM Virtual Interface (ifType 'atmVirtual(149)'). If this variable has a value of 'zero', this entry is not associated with an 'ifIndex' a ...
- cwnOtherClockSource
- This variable identifies the type of a clock source that does not have an 'ifIndex' associated. This value is 'none(1) if 'cwnInterfaceIndex' contains a non-zero value. The value 'internalOscillator(1) indicates a clock source is an oscillator local to th ...
- cwnManualSourceTable
- A table of network clock sources to be manually configured for the managed system.
- cwnManualSourceEntry
- When the value of cwnDistributionMethod is 'manual', the managed system uses this table to select a source of network clock for the managed system from the entries in 'cwnClockSourceTable'. The management system uses 'cwnClockSourceIndex' to configure the ...
- cwnManualSourceIndex
- An 'index' value used to identify the primary, secondary ,or default manual clock source.
- cwnManualClockHealth
- The health of the clock source.
- cwnManualRowStatus
- The status of this conceptual row.
- cwnAtmSourceTable
- A table of configured network clock sources advertised by this managed system when using NCDP.
- cwnAtmSourceEntry
- Network clock status for sources of network clock identified by 'cwnClockSourceIndex' and used by the managed system when the value of 'cwnDistributionMethod' is 'ncdp'. The managed device selects one entry in this table to advertise as the best available ...
- cwnAtmSourceBestClockSource
- An indication of whether this is the best clock source being advertised.
- cwnAtmSourcePriority
- The network-wide priority of this clock source if configured as a source of network clock for NCDP. The highest priority clock source is that clock source having the lowest positive numeric value. The clock source with the highest priority is selected a ...
- cwnAtmSourceStratum
- The stratum level associated with this clock source if configured as a source of network clock for NCDP. If the value of this object is used as a tiebreaker , the lower of the given values is the winner. If the values are the same, the value of 'cwnAtmSou ...
- cwnAtmSourcePRSReference
- An value that identifies the Primary Reference Source that the network clock available from this source is traceable to if configured as a source of network clock for NCDP. The object takes the value 'internal' when the PRS for this source is an onboard o ...
- cwnAtmSourceClockHealth
- The health of the clock source.
- cwnAtmSourceRowStatus
- The status of this conceptual row.
- cwnAtmInterfaceTable
- A table containing the status of NCDP on the device's ATM Network-to-Network(NNI) interfaces.
- cwnAtmInterfaceEntry
- An entry in this table contains the status of NCDP on an ATM Netowrk-to-Network (NNI) interface. A row in this table is created by the managed system and disappears when the associated entity disappears. When a row is created all of the row objects are in ...
- cwnAtmInterfaceAdminWeight
- A weight metric used by the NCDP protocol entity and associated with a physical interface that supports synchronous clock recovery. When NCDP is enabled for the physical interface the value of this object is used by NCDP algorithms during tree computatio ...
- cwnAtmInterfaceVpi
- The Virtual Path Identifier(VPI) value of the Virtual Channel Connection(VCC) supporting the NCDP entity at this ATM interface. If the values of 'cwnAtmInterfaceVpi' and 'cwnAtmInterfaceVci' are both equal to zero then the NCDP entity is not supported at ...
- cwnAtmInterfaceVci
- The Virtual Channel Identifier(VCI) value of the VCC supporting the NCDP entity at this ATM interface. If the values of 'cwnAtmInterfaceVpi' and 'cwnAtmInterfaceVci' are both equal to zero then the NCDP entity is not supported at this ATM interface.
- ciscoWanNcdpGlobalGroup
- This group contains global objects providing for management of network clock distribution and NCDP entities.
- ciscoWanNcdpClockSourceGroup
- This group contains the available clock source on the managed system.
- ciscoWanNcdpManualGroup
- This group contains objects for manual configuration of clock sources on the managed system.
- ciscoWanNcdpAtmGroup
- This group contains objects for configuration of NCDP entity on an ATM platform.
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