📄 rfc2670.mib
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DOCS-IF-MIB DEFINITIONS ::= BEGIN IMPORTS MODULE-IDENTITY, OBJECT-TYPE, -- do not import BITS, Unsigned32, Integer32, Counter32, TimeTicks, IpAddress, transmission FROM SNMPv2-SMI TEXTUAL-CONVENTION, MacAddress, RowStatus, TruthValue, TimeInterval, TimeStamp FROM SNMPv2-TC OBJECT-GROUP, MODULE-COMPLIANCE FROM SNMPv2-CONF ifIndex, InterfaceIndexOrZero FROM IF-MIB;docsIfMib MODULE-IDENTITY LAST-UPDATED "9908190000Z" -- August 19, 1999 ORGANIZATION "IETF IPCDN Working Group" CONTACT-INFO " Michael StJohns Postal: @Home Network 425 Broadway Redwood City, CA U.S.A. Phone: +1 650 569 5368 E-mail: stjohns@corp.home.net" DESCRIPTION "This is the MIB Module for MCNS/DOCSIS compliant Radio Frequency (RF) interfaces in Cable Modems (CM) and Cable Modem Termination Systems (CMTS)." REVISION "9908190000Z" DESCRIPTION "Initial Version, published as RFC 2670. Modified by Mike StJohns to fix problems identified by the first pass of the MIB doctor. Of special note, docsIfRangingResp and docsIfCmtsInsertionInterval were obsoleted and replaced by other objects with the same functionality, but more appropriate SYNTAX." ::= { transmission 127 }-- Textual ConventionsTenthdBmV ::= TEXTUAL-CONVENTION DISPLAY-HINT "d-1" STATUS current DESCRIPTION "This data type represents power levels that are normally expressed in dBmV. Units are in tenths of a dBmV; for example, 5.1 dBmV will be represented as 51." SYNTAX Integer32TenthdB ::= TEXTUAL-CONVENTION DISPLAY-HINT "d-1" STATUS current DESCRIPTION "This data type represents power levels that are normally expressed in dB. Units are in tenths of a dB; for example, 5.1 dB will be represented as 51." SYNTAX Integer32docsIfMibObjects OBJECT IDENTIFIER ::= { docsIfMib 1 }docsIfBaseObjects OBJECT IDENTIFIER ::= { docsIfMibObjects 1 }docsIfCmObjects OBJECT IDENTIFIER ::= { docsIfMibObjects 2 }docsIfCmtsObjects OBJECT IDENTIFIER ::= { docsIfMibObjects 3 }---- BASE GROUP------ The following table is implemented on both the Cable Modem (CM)-- and the Cable Modem Termination System (CMTS).--docsIfDownstreamChannelTable OBJECT-TYPE SYNTAX SEQUENCE OF DocsIfDownstreamChannelEntry MAX-ACCESS not-accessible STATUS current DESCRIPTION "This table describes the attributes of downstream channels (frequency bands)." REFERENCE "DOCSIS Radio Frequency Interface Specification, Table 4-12 and Table 4-13." ::= { docsIfBaseObjects 1 }docsIfDownstreamChannelEntry OBJECT-TYPE SYNTAX DocsIfDownstreamChannelEntry MAX-ACCESS not-accessible STATUS current DESCRIPTION "An entry provides a list of attributes for a single Downstream channel. An entry in this table exists for each ifEntry with an ifType of docsCableDownstream(128)." INDEX { ifIndex } ::= { docsIfDownstreamChannelTable 1 }DocsIfDownstreamChannelEntry ::= SEQUENCE { docsIfDownChannelId Integer32, docsIfDownChannelFrequency Integer32, docsIfDownChannelWidth Integer32, docsIfDownChannelModulation INTEGER, docsIfDownChannelInterleave INTEGER, docsIfDownChannelPower TenthdBmV }docsIfDownChannelId OBJECT-TYPE SYNTAX Integer32 (0..255) MAX-ACCESS read-only STATUS current DESCRIPTION "The Cable Modem Termination System (CMTS) identification of the downstream channel within this particular MAC interface. If the interface is down, the object returns the most current value. If the downstream channel ID is unknown, this object returns a value of 0." ::= { docsIfDownstreamChannelEntry 1 }docsIfDownChannelFrequency OBJECT-TYPE SYNTAX Integer32 (0..1000000000) UNITS "hertz" MAX-ACCESS read-write STATUS current DESCRIPTION "The center of the downstream frequency associated with this channel. This object will return the current tuner frequency. If a CMTS provides IF output, this object will return 0, unless this CMTS is in control of the final downstream RF frequency. See the associated compliance object for a description of valid frequencies that may be written to this object." REFERENCE "DOCSIS Radio Frequency Interface Specification, Section 4.3.3." ::= { docsIfDownstreamChannelEntry 2 }docsIfDownChannelWidth OBJECT-TYPE SYNTAX Integer32 (0..16000000) UNITS "hertz" MAX-ACCESS read-write STATUS current DESCRIPTION "The bandwidth of this downstream channel. Most implementations are expected to support a channel width of 6 MHz (North America) and/or 8 MHz (Europe). See the associated compliance object for a description of the valid channel widths for this object." REFERENCE "DOCSIS Radio Frequency Interface Specification, Table 4-12 and Table 4-13." ::= { docsIfDownstreamChannelEntry 3 }docsIfDownChannelModulation OBJECT-TYPE SYNTAX INTEGER { unknown(1), other(2), qam64(3), qam256(4) } MAX-ACCESS read-write STATUS current DESCRIPTION "The modulation type associated with this downstream channel. If the interface is down, this object either returns the configured value (CMTS), the most current value (CM), or the value of unknown(1). See the associated conformance object for write conditions and limitations. See the reference for specifics on the modulation profiles implied by qam64 and qam256." REFERENCE "DOCSIS Radio Frequency Interface Specification, Section 3.6.2." ::= { docsIfDownstreamChannelEntry 4 }docsIfDownChannelInterleave OBJECT-TYPE SYNTAX INTEGER { unknown(1), other(2), taps8Increment16(3), taps16Increment8(4), taps32Increment4(5), taps64Increment2(6), taps128Increment1(7) } MAX-ACCESS read-write STATUS current DESCRIPTION "The Forward Error Correction (FEC) interleaving used for this downstream channel. Values are defined as follows: taps8Increment16(3): protection 5.9/4.1 usec, latency .22/.15 msec taps16Increment8(4): protection 12/8.2 usec, latency .48/.33 msec taps32Increment4(5): protection 24/16 usec, latency .98/.68 msec taps64Increment2(6): protection 47/33 usec, latency 2/1.4 msec taps128Increment1(7): protection 95/66 usec, latency 4/2.8 msec If the interface is down, this object either returns the configured value (CMTS), the most current value (CM), or the value of unknown(1). The value of other(2) is returned if the interleave is known but not defined in the above list. See the associated conformance object for write conditions and limitations. See the reference for the FEC configuration described by the setting of this object." REFERENCE "DOCSIS Radio Frequency Interface Specification, Section 4.3.2." ::= { docsIfDownstreamChannelEntry 5 }docsIfDownChannelPower OBJECT-TYPE SYNTAX TenthdBmV UNITS "dBmV" MAX-ACCESS read-write STATUS current DESCRIPTION "At the CMTS, the operational transmit power. At the CM, the received power level. May be set to zero at the CM if power level measurement is not supported. If the interface is down, this object either returns the configured value (CMTS), the most current value (CM) or the value of 0. See the associated conformance object for write conditions and limitations. See the reference for recommended and required power levels." REFERENCE "DOCSIS Radio Frequency Interface Specification, Table 4-12 and Table 4-13." ::= { docsIfDownstreamChannelEntry 6 }---- The following table is implemented on both the CM and the CMTS.-- For the CM, only attached channels appear in the table. For the-- CM, this table is read only as well.--docsIfUpstreamChannelTable OBJECT-TYPE SYNTAX SEQUENCE OF DocsIfUpstreamChannelEntry MAX-ACCESS not-accessible STATUS current DESCRIPTION "This table describes the attributes of attached upstream channels (frequency bands)." ::= { docsIfBaseObjects 2 }docsIfUpstreamChannelEntry OBJECT-TYPE SYNTAX DocsIfUpstreamChannelEntry MAX-ACCESS not-accessible STATUS current DESCRIPTION "List of attributes for a single upstream channel. An entry in this table exists for each ifEntry with an ifType of docsCableUpstream(129)." INDEX { ifIndex } ::= { docsIfUpstreamChannelTable 1 }DocsIfUpstreamChannelEntry ::= SEQUENCE { docsIfUpChannelId Integer32, docsIfUpChannelFrequency Integer32, docsIfUpChannelWidth Integer32, docsIfUpChannelModulationProfile Unsigned32, docsIfUpChannelSlotSize Unsigned32, docsIfUpChannelTxTimingOffset Unsigned32, docsIfUpChannelRangingBackoffStart Integer32, docsIfUpChannelRangingBackoffEnd Integer32, docsIfUpChannelTxBackoffStart Integer32, docsIfUpChannelTxBackoffEnd Integer32 }docsIfUpChannelId OBJECT-TYPE SYNTAX Integer32 (0..255) MAX-ACCESS read-only STATUS current DESCRIPTION "The CMTS identification of the upstream channel." ::= { docsIfUpstreamChannelEntry 1 }docsIfUpChannelFrequency OBJECT-TYPE SYNTAX Integer32 (0..1000000000) UNITS "hertz" MAX-ACCESS read-write STATUS current DESCRIPTION "The center of the frequency band associated with this upstream channel. This object returns 0 if the frequency is undefined or unknown. Minimum permitted upstream frequency is 5,000,000 Hz for current technology. See the associated conformance object for write conditions and limitations." REFERENCE "DOCSIS Radio Frequency Interface Specification, Table 2-2." ::= { docsIfUpstreamChannelEntry 2 }docsIfUpChannelWidth OBJECT-TYPE SYNTAX Integer32 (0..20000000) UNITS "hertz" MAX-ACCESS read-write STATUS current DESCRIPTION "The bandwidth of this upstream channel. This object returns 0 if the channel width is undefined or unknown. Minimum permitted channel width is 200,000 Hz currently. See the associated conformance object for write conditions and limitations." REFERENCE "DOCSIS Radio Frequency Interface Specification, Table 4-3." ::= { docsIfUpstreamChannelEntry 3 }docsIfUpChannelModulationProfile OBJECT-TYPE SYNTAX Unsigned32 MAX-ACCESS read-write STATUS current DESCRIPTION "An entry identical to the docsIfModIndex in the docsIfCmtsModulationTable that describes this channel. This channel is further instantiated there by a grouping of interval usage codes which together fully describe the channel modulation. This object returns 0 if the docsIfCmtsModulationTable entry does not exist or docsIfCmtsModulationTable is empty. See the associated conformance object for write conditions and limitations." ::= { docsIfUpstreamChannelEntry 4 }docsIfUpChannelSlotSize OBJECT-TYPE SYNTAX Unsigned32 MAX-ACCESS read-write STATUS current
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