DOCS-IFEXT2-MIB Table View

Table-centric layout grouping table, row, and column objects.

Tables
4
Rows
4
Columns
18
.1.3.6.1.4.1.4491.2.1.5.1.2.1 · 1 row entry · 7 columns
This table extends the docsIfCmStatusTable to report
the CM MSC status.
docsIfExt2CmMscStatusEntry entry .1.3.6.1.4.1.4491.2.1.5.1.2.1.1
As an extension of docsIdCmStatusTable this table has
entries for each ifEntry with an ifType of
docsCableMaclayer(127)
This entry is instantiated by the CM only if the
CM is currently in SCDMA mode.
Indexes
IF-MIBifIndex
Column Syntax OID
docsIfExt2CmMscStatusState
Indicates the current state of the Maximum Scheduled Codes
feature on the CM.

channelEnabled(1) S-CDMA Maximum Scheduled Codes
is enabled in the UCD TLV-17.

channelDisabled(2) S-CDMA Maximu…
Enumeration
Enumerated Values:
1channelEnabled
2channelDisabled
3active
4inactive
5unknown
.1.3.6.1.4.1.4491.2.1.5.1.2.1.1.1
docsIfExt2CmMscStatusPowerShortfall
Indicates the Power Shortfall at the CM, in units of
tenth dB.
The value is provided by the CM and is sent in the RNG-REQ
message. It is internally calculated in units of quarter
dB and is rounded upward for this MIB ob…
TenthdBDOCS-IF-MIBTenthdB
Textual Convention: DOCS-IF-MIBTenthdB Integer32
.1.3.6.1.4.1.4491.2.1.5.1.2.1.1.2
docsIfExt2CmMscStatusCodeRatio
Indicates the maximum ratio of number of active codes to
Maximum Scheduled Codes that the CM can support, as
reported in the Ranging Request.
Unsigned32
Constraints:
range: 2-2
range: 8-8
range: 16-16
range: 32-32
.1.3.6.1.4.1.4491.2.1.5.1.2.1.1.3
docsIfExt2CmMscStatusMaximumScheduledCodes
Indicates the Maximum Scheduled Codes in use by the CM.
The value is provided by the CMTS through a TLV value in
the RNG-RSP message. Note that not all values from 4..128
are valid.
A value of zero when docsIfExt2CmMscS…
Unsigned32
Constraints:
range: 0-0
range: 4-128
.1.3.6.1.4.1.4491.2.1.5.1.2.1.1.4
docsIfExt2CmMscStatusPowerHeadroom
Indicates the Maximum Scheduled Codes Power Headroom in
use by the CM, in units of tenth dB. The value is
provided by the CMTS in units of quarter dB through
TLV-11 in the RNG-RSP message and is rounded upward for
this …
TenthdBDOCS-IF-MIBTenthdB
Textual Convention: DOCS-IF-MIBTenthdB Integer32
.1.3.6.1.4.1.4491.2.1.5.1.2.1.1.5
docsIfExt2CmMscStatusEffectivePower
Indicates the Effective Transmit Power of the CM. This is
the power that would result hypothetically if, in a
spreader-on frame, the CM were to transmit on all active
codes with 64QAM modulation. This object should be e…
TenthdBmVDOCS-IF-MIBTenthdBmV
Textual Convention: DOCS-IF-MIBTenthdBmV Integer32
.1.3.6.1.4.1.4491.2.1.5.1.2.1.1.6
docsIfExt2CmMscStatusIUC2Control
The CM usage of IUC2 when MSC is enabled:
noIUC2(1): CM usage of IUC2 is prohibited

limitedIUC2(2): CM is allowed to use IUC2 as long as
the CM does not exceed MSC

freeIUC2(…
Enumerationr/w
Enumerated Values:
1noIUC2
2limitedIUC2
3freeIUC2
.1.3.6.1.4.1.4491.2.1.5.1.2.1.1.7
.1.3.6.1.4.1.4491.2.1.5.1.3.2 · 1 row entry · 6 columns
This table extends the docsIfCmtsCmStatusTable to report
CM MSC status.
docsIfExt2CmtsCmMscStatusEntry entry .1.3.6.1.4.1.4491.2.1.5.1.3.2.1
An entry for MSC CM status report. Only CMs allocated
to SCDMA upstream channels are included in this table.
Indexes
DOCS-IF-MIBdocsIfCmtsCmStatusIndex
Column Syntax OID
docsIfExt2CmtsCmMscStatusPowerShortfall
Indicates the Power Shortfall at the CM, in units of
tenth dB.
The value is provided by the CM and is sent in the
RNG-REQ message. It is internally calculated in units
of quarter dB and is rounded upward for this MIB ob…
TenthdBDOCS-IF-MIBTenthdB
Textual Convention: DOCS-IF-MIBTenthdB Integer32
.1.3.6.1.4.1.4491.2.1.5.1.3.2.1.1
docsIfExt2CmtsCmMscStatusCodeRatio
Indicates the maximum ratio of number of active codes to
Maximum Scheduled Codes that the CM reported in the
Ranging Request.
Unsigned32
Constraints:
range: 2-2
range: 8-8
range: 16-16
range: 32-32
.1.3.6.1.4.1.4491.2.1.5.1.3.2.1.2
docsIfExt2CmtsCmMscStatusMaximumScheduledCodes
Indicates the Maximum Scheduled Codes value in use by
the CM. The value is provided by the CMTS through a TLV
in the RNG-RSP message. Note that not all values from
4..128 are valid.
A value of zero indicates there is no…
Unsigned32
Constraints:
range: 0-0
range: 4-128
.1.3.6.1.4.1.4491.2.1.5.1.3.2.1.3
docsIfExt2CmtsCmMscStatusPowerHeadroom
Indicates the Maximum Scheduled Codes Power Headroom
in use by the CM, in units of tenth dB. The value is
provided by the CMTS in units of quarter dB through a
TLV value in the RNG-RSP message and is rounded upward
for …
TenthdBDOCS-IF-MIBTenthdB
Textual Convention: DOCS-IF-MIBTenthdB Integer32
.1.3.6.1.4.1.4491.2.1.5.1.3.2.1.4
docsIfExt2CmtsCmMscStatusMeasuredSNR
The signal to noise ratio perceived for this cable modem
on the upstream logical channel as of the last station
maintenance.
TenthdBDOCS-IF-MIBTenthdB
Textual Convention: DOCS-IF-MIBTenthdB Integer32
.1.3.6.1.4.1.4491.2.1.5.1.3.2.1.5
docsIfExt2CmtsCmMscStatusEffectiveSNR
The signal to noise ratio estimated for this cable modem
on the upstream logical channel, referenced to 64QAM
modulation. It is defined as the measured SNR at the
last station maintenance, minus the CM power shortfall,
TenthdBDOCS-IF-MIBTenthdB
Textual Convention: DOCS-IF-MIBTenthdB Integer32
.1.3.6.1.4.1.4491.2.1.5.1.3.2.1.6
.1.3.6.1.4.1.4491.2.1.5.1.3.3 · 1 row entry · 4 columns
This table extends the docsIfUpstreamChannelTable to report
CM MSC status.
docsIfExt2CmtsUpChannelMscEntry entry .1.3.6.1.4.1.4491.2.1.5.1.3.3.1
An entry for MSC upstream status report. Only SCDMA logical
upstream channels (i.e., ifType=docsCableUpstreamChannel(205)
and docsIfUpChannelType=scdma(3)) are included in this table.
Indexes
IF-MIBifIndex
Column Syntax OID
docsIfExt2CmtsUpChannelMscState
Indicates the state of the Maximum Scheduled Codes feature
for an individual logical channel on the CMTS.
The state will transition automatically from dormant(5) to
ChannelEnabled(1) and vice-versa when the feature is
g…
Enumerationr/w
Enumerated Values:
1channelEnabled
2channelDisabled
3dormant
.1.3.6.1.4.1.4491.2.1.5.1.3.3.1.1
docsIfExt2CmtsUpChannelMSCTotalCMs
Total number of CMs with docsIfCmtsCmStatusValue of
registrationComplete with MSC active.
SNMPv2-SMIGauge32
Textual Convention: SNMPv2-SMIGauge32 Unsigned32
Type Constraints:
range: 0..4294967295
.1.3.6.1.4.1.4491.2.1.5.1.3.3.1.2
docsIfExt2CmtsUpChannelMSCLimitIUC1
Indicates that, in order to prevent
CMs from exceeding MSC, the CMTS will limit the scheduling of
broadcast IUC1 to at most this many SCDMA codes per SCMDA
frame.
codesUnsigned32
Constraints:
range: 0-128
.1.3.6.1.4.1.4491.2.1.5.1.3.3.1.3
docsIfExt2CmtsUpChannelMSCMinimumValue
When Maximum Scheduled Codes is enabled, instructs the
CMTS to assign cable modems MSC values no less than this value.
codesUnsigned32r/w
Constraints:
range: 4-128
.1.3.6.1.4.1.4491.2.1.5.1.3.3.1.4
.1.3.6.1.4.1.4491.2.1.5.1.3.4 · 1 row entry · 1 columns
This table extends the docsIfUpstreamChannelTable to report
additional upstream status information.
docsIfExt2CmtsUpChannelEntry entry .1.3.6.1.4.1.4491.2.1.5.1.3.4.1
An entry for upstream status information.
Indexes
IF-MIBifIndex
Column Syntax OID
docsIfExt2CmtsUpChannelTotalCMs
Total number of CMs with docsIfCmtsCmStatusValue of
registrationComplete.
SNMPv2-SMIGauge32
Textual Convention: SNMPv2-SMIGauge32 Unsigned32
Type Constraints:
range: 0..4294967295
.1.3.6.1.4.1.4491.2.1.5.1.3.4.1.1