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    jnxCosAtmVcScTable

    The jnxCosAtmVcScTable, whose object identifier is {jnxAtmCos 2}, contains ATM-scheduler configuration parameters for each forwarding class within a specified VC.

    Note: The schedulers mentioned in this MIB are specific to an ATM interface, and are different from the typical schedulers specified using the CoS configuration command-line interface (CLI).

    Each jnxCosAtmVcScEntry, whose object identifier is {jnxCosAtmVcScTable 1}, represents ATM-scheduler configuration parameters per forwarding class and per VC, and is indexed using ifIndex, atmVclVpi, and atmVclVci. Table 1 lists the ATM scheduler parameters as represented by a jnxCosAtmVcScEntry.

    Table 1: jnxCosAtmVcScTable

    Object

    Object ID

    Description

    jnxCosAtmVcScPriority

    jnxCosAtmVcScEntry 1

    Represents the ATM scheduler priority for the queue associated with the specified forwarding class within the VC.

    jnxCosAtmVcScTxWeightType

    jnxCosAtmVcScEntry 2

    Represents the ATM scheduler transmit-weight-type for the queue associated with the specified forwarding class inside the VC. The transmit-weight-type is represented either as the number of cells or as a percentage of the queue size.

    jnxCosAtmVcScTxWeight

    jnxCosAtmVcScEntry 3

    Represents the transmit weight of the ATM scheduler for the queue associated with the specified forwarding class and the VC. jnxCosAtmVcScTxWeight is expressed either as the number of cells or as a percentage of the total VC bandwidth. The value of jnxCosAtmVcScTxWeightType.determines the unit used.

    jnxCosAtmVcScDpType

    jnxCosAtmVcScEntry 4

    Shows the type of RED drop profile configured for the specified forwarding class within the VC. A scheduler can specify either linear or constant drop profile. A constant type drop profile (also known as EPD) specifies that all the cells should be dropped when the number of queued cells exceeds a threshold. A linear type drop profile specifies that only a percentage of cells be dropped based on the number of queued cells at any time.

    jnxCosAtmVcScLrdpQueueDepth

    jnxCosAtmVcScEntry 5

    Represents the maximum queue size in cells, as specified by the linear RED drop profile associated with the specified forwarding class within the VC. This object is valid only when the value of the object jnxCosAtmVcScDpType is linearRed(0).

    jnxCosAtmVcScLrdpLowPlpThresh

    jnxCosAtmVcScEntry 6

    Represents the threshold percentage of fill-level beyond which the low packet loss priority (PLP) packets belonging to the specified forwarding class within the VC are randomly dropped. This value is specified by the linear RED drop profile configuration. This object is valid only when the object jnxCosAtmVcScDpType is set to linearRed(0).

    jnxCosAtmVcScLrdpHighPlpThresh

    jnxCosAtmVcScEntry 7

    Represents the threshold percentage of the fill level beyond which high PLP packets belonging to the specified forwarding class within the VC are randomly dropped. This value is specified by the linear RED drop profile configuration. This object is valid only when the object jnxCosAtmVcScDpType is set to linearRed(0).

    jnxCosAtmVcEpdThreshold

    jnxCosAtmVcScEntry 8

    Shows the EPD drop threshold configured for the specified forwarding class within the VC. When the number of cells queued exceeds the value specified for this object, all the cells in the queue are dropped. This object is valid only when the jnxCosAtmVcScDpType object is set to epd(1).

    Published: 2013-11-07