562 lines
23 KiB
Plaintext
562 lines
23 KiB
Plaintext
-- *****************************************************************
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-- smartoptics SONET APS MIB
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--
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-- Nov 2000, Omri Viner
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--
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-- Copyright (c) 1999-2000 by smartoptics Ltd.
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-- All rights reserved.
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-- *****************************************************************
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SL-SONET-APS-MIB DEFINITIONS ::= BEGIN
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IMPORTS
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MODULE-IDENTITY, OBJECT-TYPE,
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NOTIFICATION-TYPE ,Unsigned32,
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Counter32, TimeTicks, IpAddress FROM SNMPv2-SMI
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DisplayString, TruthValue, RowStatus
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FROM SNMPv2-TC
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MODULE-COMPLIANCE, OBJECT-GROUP,
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NOTIFICATION-GROUP FROM SNMPv2-CONF
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InterfaceIndex FROM IF-MIB
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PerfCurrentCount, PerfIntervalCount,
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PerfTotalCount FROM PerfHist-TC-MIB
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slSonetMib FROM SL-SONET-MIB;
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slSonetApsMib MODULE-IDENTITY
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LAST-UPDATED "0008280000Z"
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ORGANIZATION "Smartoptics AS"
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CONTACT-INFO
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"E-mail: d.lutz@smartoptics.com"
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DESCRIPTION
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"This MIB module describes the SiteLight SONET APS."
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::= { slSonetMib 5 }
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slSonetApsConfig OBJECT IDENTIFIER ::= {slSonetApsMib 1}
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slSonetApsTraps OBJECT IDENTIFIER ::= {slSonetApsMib 2}
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--
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-- Sonet APS config Table
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--
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slSonetApsConfigTable OBJECT-TYPE
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SYNTAX SEQUENCE OF SlSonetApsConfigEntry
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MAX-ACCESS not-accessible
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STATUS current
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DESCRIPTION
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"This table contains objects to configure APS
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(Automatic Protection Switching) feature in a SONET
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Line. APS is the ability to configure a pair of SONET
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lines for redundancy so that the hardware will
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automatically switch the active line from working line
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to the protection line or vice versa, within 50ms,
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when the active line fails."
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::= { slSonetApsConfig 1 }
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slSonetApsConfigEntry OBJECT-TYPE
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SYNTAX SlSonetApsConfigEntry
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MAX-ACCESS not-accessible
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STATUS current
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DESCRIPTION
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"An entry is created during startup if the SEEP specifies that there are two trunk ports.
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The value of slSonetApsEnable determines if the APS is configured or not."
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INDEX {slSonetApsWorkingIndex}
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::= { slSonetApsConfigTable 1 }
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SlSonetApsConfigEntry ::=
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SEQUENCE {
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slSonetApsWorkingIndex InterfaceIndex,
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slSonetApsProtectionIndex InterfaceIndex,
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slSonetApsEnable INTEGER,
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slSonetApsArchMode INTEGER,
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slSonetApsActiveLineRx INTEGER,
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slSonetApsActiveLineTx INTEGER,
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slSonetApsWaitToRestore Unsigned32,
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slSonetApsDirection INTEGER,
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slSonetApsRevertive INTEGER,
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slSonetApsDirectionOperational INTEGER,
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slSonetApsArchModeOperational INTEGER,
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slSonetApsChanStatus BITS,
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slSonetApsChanSignalDegrades Counter32,
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slSonetApsChanSignalFailures Counter32,
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slSonetApsChanLastSwitchover TimeTicks,
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slSonetApsLineFailureCodeStatus BITS,
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slSonetApsConfigSwitchCommand INTEGER,
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slSonetApsLineSwitchReason INTEGER,
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slSonetApsResetCounters INTEGER,
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slSonetApsConfigActiveRequest INTEGER,
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slSonetApsConfigExerciseResult TruthValue
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}
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slSonetApsWorkingIndex OBJECT-TYPE
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SYNTAX InterfaceIndex
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MAX-ACCESS read-only
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STATUS current
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DESCRIPTION
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"When a pair of APS lines is configured, one line has
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to be the working line, which is the primary line,
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and the other has to be the protection line, which
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is the backup line. This object refers to the working line
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in the APS pair."
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::= { slSonetApsConfigEntry 1 }
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slSonetApsProtectionIndex OBJECT-TYPE
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SYNTAX InterfaceIndex
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MAX-ACCESS read-create
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STATUS current
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DESCRIPTION
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"The protection line indicates that it will become
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the active line when an APS switch occurs (APS switch
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could occur because of a failure on the working line)."
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::= { slSonetApsConfigEntry 2 }
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slSonetApsEnable OBJECT-TYPE
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SYNTAX INTEGER {
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slSonetApsDisabled (1),
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slSonetApsEnabled (2)
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}
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MAX-ACCESS read-create
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STATUS current
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DESCRIPTION
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"This object is used to enable or disable the APS feature
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on the working/protection line pairs."
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::= { slSonetApsConfigEntry 3 }
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slSonetApsArchMode OBJECT-TYPE
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SYNTAX INTEGER {
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onePlusOne(1),
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oneToOne(2)
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}
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MAX-ACCESS read-create
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STATUS current
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DESCRIPTION
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"This object is used to configure APS architecture mode
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on the working/protection line pairs (read-write).
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All of the following are supported on single slot.
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oneToOne(2) is not supported across 2 slots,i.e. the
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working and protection slot numbers must be the same in
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oneToOne(2).
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onePlusOne : This can be supported on the same card
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and across 2 cards.
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This mode means that the transmit and receive signals
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go only over the active line(which could be working or
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protection line). (straight cable implied)
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oneToOne : This is supported only on the same card
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This mode means that the transmit and receive signals
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go over the working and protection lines.
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(straight cable implied)."
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::= { slSonetApsConfigEntry 4 }
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slSonetApsActiveLineRx OBJECT-TYPE
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SYNTAX INTEGER {
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slSonetApsWorkingLine(1),
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slSonetApsProtectionLine(2)
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}
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MAX-ACCESS read-only
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STATUS current
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DESCRIPTION
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"This object indicates which Rx line is currently active.
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It could be the working line, the protection line or
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none if neither working nor protection line is active.
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This object reflects the status of receive direction."
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::= { slSonetApsConfigEntry 5 }
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slSonetApsActiveLineTx OBJECT-TYPE
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SYNTAX INTEGER {
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slSonetApsWorkingLine(1),
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slSonetApsProtectionLine(2)
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}
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MAX-ACCESS read-only
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STATUS current
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DESCRIPTION
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"This object indicates which Tx line is currently active.
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It could be the working line, the protection line or
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none if neither working nor protection line is active.
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This object reflects the status of receive direction.
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Not relevant for 1+1."
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::= { slSonetApsConfigEntry 6 }
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slSonetApsWaitToRestore OBJECT-TYPE
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SYNTAX Unsigned32 (1..12)
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UNITS "minutes"
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MAX-ACCESS read-create
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STATUS current
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DESCRIPTION
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"This object contains interval in minutes to wait
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before attempting to switch back to working line.
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Not applicable if the line is configured in
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non-revertive mode, i.e. protection line will
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continue to be active, even if failures on the
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working line are cleared. The framer clears the
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signal-fault and signal-degrade when APS switch
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occurs. Please refer to 'slSonetApsRevertive' for
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description of non-revertive (read-write)."
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::= { slSonetApsConfigEntry 7 }
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slSonetApsDirection OBJECT-TYPE
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SYNTAX INTEGER {
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uniDirectional(1),
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biDirectional(2)
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}
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MAX-ACCESS read-create
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STATUS current
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DESCRIPTION
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"This object is used to configure the switching
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direction which this APS line supports (read-write).
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Unidirectional : APS switch only in one direction.
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Bidirectional : APS switch in both ends of the line."
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::= { slSonetApsConfigEntry 8 }
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slSonetApsRevertive OBJECT-TYPE
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SYNTAX INTEGER {
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nonrevertive(1),
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revertive(2)
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}
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MAX-ACCESS read-create
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STATUS current
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DESCRIPTION
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"This object is used to configure the APS revertive or
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nonrevertive option (read-write).
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revertive :
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Will switch the working line back to active state after
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the Wait-To-restore interval has expired and the
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working line Signal-Fault/Signal-Degrade has been
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cleared. Please refer to 'slSonetApsWaitToRestore' for
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description of Wait-To-Restore interval.
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nonrevertive :
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The protection line continues to be the active line,
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The active line does not switch to the working line."
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::= { slSonetApsConfigEntry 9 }
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slSonetApsDirectionOperational OBJECT-TYPE
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SYNTAX INTEGER {
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uniDirectional(1),
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biDirectional(2)
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}
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MAX-ACCESS read-only
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STATUS current
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DESCRIPTION
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"This object shows the actual APS direction that is
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implemented on the Near End terminal. APS direction
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configured through slSonetApsDirection is negotiated with
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the Far End and APS direction setting acceptable to
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both ends is operational at the Near End."
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::= { slSonetApsConfigEntry 10 }
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slSonetApsArchModeOperational OBJECT-TYPE
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SYNTAX INTEGER {
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onePlusOne(1),
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oneToOne(2)
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}
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MAX-ACCESS read-only
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STATUS current
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DESCRIPTION
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"This object shows the actual APS architecture mode that
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is implemented on the Near End terminal. APS architecture
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mode configured through slSonetApsArchMode object is
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negotiated with the Far End through APS channel.
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Architecture mode acceptable to both the Near End and
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the Far End terminals is then operational at the Near
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End. This value can be different than the APS
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Architecture mode configured."
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::= { slSonetApsConfigEntry 11 }
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slSonetApsChanStatus OBJECT-TYPE
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SYNTAX BITS {
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lockedOut(0),
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sdWorking(1),
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sdProtecting(2),
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sfWorking(3),
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sfProtecting(4),
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switched(5),
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remoteRequest(6)
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}
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MAX-ACCESS read-only
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STATUS current
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DESCRIPTION
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"Indicates the current state of the port.
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lockedOut
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This bit, when applied to a working channel, indicates that
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the channel is prevented from switching to the protection line.
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When applied to the null channel, this bit indicates that no
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working channel may switch to the protection line.
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sdWorking
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A signal degrade condition on the working line is in effect.
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sdProtecting
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A signal degrade condition on the protecting line is in effect.
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sfWorking
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A signal failure condition on the working line is in effect.
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sfProtecting
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A signal failure condition on the protecting line is in effect.
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switched
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The switched bit is applied to a working channel if that
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channel is currently switched to the protection line.
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remoteRequest
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The switch request was initiated by the remote NE."
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::= { slSonetApsConfigEntry 12 }
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slSonetApsChanSignalDegrades OBJECT-TYPE
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SYNTAX Counter32
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MAX-ACCESS read-only
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STATUS current
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DESCRIPTION
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"A count of Signal Degrade conditions. This
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condition occurs when the line Bit Error Rate
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exceeds the currently configured threshold."
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::= { slSonetApsConfigEntry 13 }
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slSonetApsChanSignalFailures OBJECT-TYPE
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SYNTAX Counter32
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MAX-ACCESS read-only
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STATUS current
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DESCRIPTION
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"A count of Signal Failure conditions that have been
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detected on the incoming signal. This condition occurs
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when a loss of signal, loss of frame, AIS-L or a Line
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bit error rate exceeding 10^-3 is detected on an
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incoming line."
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::= { slSonetApsConfigEntry 14 }
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slSonetApsChanLastSwitchover OBJECT-TYPE
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SYNTAX TimeTicks
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MAX-ACCESS read-only
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STATUS current
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DESCRIPTION
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"The value of sysUpTime when this channel last completed a switch
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to the protection line. If this channel has never switched to the
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protection line, or this channel is the protection line, the value
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0 will be returned."
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::= { slSonetApsConfigEntry 15 }
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slSonetApsLineFailureCodeStatus OBJECT-TYPE
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SYNTAX BITS {
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slSonetApsChannelMismatch(0),
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slSonetApsProtectionByteFail(1),
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slSonetApsFEProtectionFailure(2),
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slSonetApsModeMismatch(3)
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}
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MAX-ACCESS read-only
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STATUS current
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DESCRIPTION
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"The Sonet APS line failure code status - this is the
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status of failure encountered by the APS line.
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slSonetApsChannelMismatch: trasmitted K1 byte and
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received K2 byte do not match.
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slSonetApsProtectionByteFail: It could mean either K1 byte
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with invalid type of switch
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request bits was received, or,
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priority of received K1 byte
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is lower than the transmitted
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K1 byte.
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slSonetApsFEProtectionFailure: Remote end error detected.
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slSonetApsModeMismatch: Mismatch of Bit 5 of the K2 Byte."
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REFERENCE
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"GR-253-CORE"
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::= { slSonetApsConfigEntry 16 }
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slSonetApsConfigSwitchCommand OBJECT-TYPE
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SYNTAX INTEGER {
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clear(1),
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lockoutOfProtection(2),
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forcedSwitchOfWorking(3),
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forcedSwitchOfProtection(4),
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manualSwitchOfWorking(5),
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manualSwitchOfProtection(6),
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exercise(7)
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}
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MAX-ACCESS read-create
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STATUS current
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DESCRIPTION
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"A switch command initiates one external request for evaluation
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(read-write).
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(1) Clear - Clears all switch commands on the channel.
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(2) Lockout Of Protection - Prevents any of the working channels
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from switching to the protection line by issuing a Lockout of
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Protection request [unless a request of equal priority (i.e., a
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Lockout of Protection) is already in effect].
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(3) Forced Switch of Working (to Protection) - Switches the
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working channel to the protection line unless a request of equal
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or higher priority is in effect, by issuing a Forced Switch
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request.
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(4) Forced Switch of Protection (to Working) - Switches the
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working channel back from the protection line to the working
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line unless a request of equal or higher priority is in effect,
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by issuing a Forced Switch request. This command applies only
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in the 1+1 architecture.
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(5) Manual Switch of Working (to Protection) - Switches the
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working channel to the protection line unless a request of equal
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or higher priority is in effect, by issuing a Manual Switch
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request.
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(6) Manual Switch of Protection (to Working) - Switches the
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working channel back from the protection line to the working
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line unless a request of equal or higher priority is in effect,
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by issuing a Manual Switch request. This command applies only
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in the 1+1 architecture for the null.
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(7) Exercise - Exercises the protocol for a protection switch
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unless a request of equal or higher priority is in effect, by
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issuing an Exercise request and checking the response on the APS
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channel.
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Reading this variable always returns zero (0)."
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DEFVAL { clear }
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::= { slSonetApsConfigEntry 17 }
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slSonetApsLineSwitchReason OBJECT-TYPE
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SYNTAX INTEGER {
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slSonetApsOther(1),
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slSonetApsRevertive(2),
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slSonetApsManual(3),
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slSonetApsSignalDegrade(4),
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slSonetApsSignalFailure(5),
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slSonetApsForceSwitch(6),
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slSonetApsRemoteRequest(7),
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slSonetApsLockOut(8)
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}
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MAX-ACCESS read-only
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STATUS current
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DESCRIPTION
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"The reason why APS switch happened. When the working
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line on one end fails, its other end is told to do
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an APS switch. The following options in the increasing
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order of priority indicate what type of switch request
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it is.
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slSonetApsRevertive : Switch back to working line after the
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Wait-to-Restore interval is over, and failures are
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cleared. It is the lowest priority.
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slSonetApsManual : Manual switch causes APS switch unless a
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request of equal or higher priority is in effect.
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slSonetApsSignalDefectLow : Switch happened because threshold
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for 'slSonetApsSigFaultBER' was exceeded.
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slSonetApsSignalDefectHigh : Same as above, but higher priority.
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slSonetApsSignalFailureLow : Switch happened because threshold
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for 'slSonetApsSigDegradeBER' was exceeded.
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slSonetApsSignalFailureHigh : Same as above, but higher
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priority.
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slSonetApsForceSwitch : Forced switch forces hardware to switch
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the active line even if the other line (could be
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working line or protection line) is in alarm.
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slSonetApsLockOut : This is the highest priority switch. This
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will override all other requests.
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slSonetApsRemoteRequest : indicates that the local switchover
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was in response to a remote request to switch.
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slSonetApsLockOut : indicates that the last switchover to the
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working occurred because of protection lockout."
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::= { slSonetApsConfigEntry 18 }
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slSonetApsResetCounters OBJECT-TYPE
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SYNTAX INTEGER {
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resetCounters(1)
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}
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MAX-ACCESS read-create
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STATUS current
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DESCRIPTION
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"Setting this variable to 1 will cause the counters
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on all of the SONET APS Config Table to be initialized
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to zero (read-write)."
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::= { slSonetApsConfigEntry 19 }
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slSonetApsConfigActiveRequest OBJECT-TYPE
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SYNTAX INTEGER {
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slSonetApsOther(1),
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slSonetApsRevertive(2),
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slSonetApsManual(3),
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slSonetApsSignalDegrade(4),
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slSonetApsSignalFailure(5),
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slSonetApsForceSwitch(6),
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slSonetApsRemoteRequest(7),
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slSonetApsLockOut(8)
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}
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MAX-ACCESS read-write
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STATUS current
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DESCRIPTION
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"The Active Switch APS request:
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slSonetApsRevertive : Switch back to working line after the
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Wait-to-Restore interval is over, and failures are
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cleared. It is the lowest priority.
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slSonetApsManual : Manual switch causes APS switch unless a
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request of equal or higher priority is in effect.
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slSonetApsSignalDefectLow : Switch happened because threshold
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for 'slSonetApsSigFaultBER' was exceeded.
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slSonetApsSignalDefectHigh : Same as above, but higher priority.
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slSonetApsSignalFailureLow : Switch happened because threshold
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for 'slSonetApsSigDegradeBER' was exceeded.
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slSonetApsSignalFailureHigh : Same as above, but higher
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priority.
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slSonetApsForceSwitch : Forced switch forces hardware to switch
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the active line even if the other line (could be
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working line or protection line) is in alarm.
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slSonetApsLockOut : This is the highest priority switch. This
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will override all other requests.
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slSonetApsRemoteRequest : indicates that the local switchover
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was in response to a remote request to switch.
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slSonetApsLockOut : indicates that the last switchover to the
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working occurred because of protection lockout."
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::= { slSonetApsConfigEntry 20 }
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slSonetApsConfigExerciseResult OBJECT-TYPE
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SYNTAX TruthValue
|
|
MAX-ACCESS read-only
|
|
STATUS current
|
|
DESCRIPTION
|
|
"This variable contains the result of the last exercise command.
|
|
True - means test success. False - otherwise."
|
|
::= { slSonetApsConfigEntry 21 }
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|
|
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--
|
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-- APS TRAPS
|
|
--
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|
|
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slSonetApsTrapSwitchover NOTIFICATION-TYPE
|
|
OBJECTS { slSonetApsWorkingIndex,
|
|
slSonetApsActiveLineRx,
|
|
slSonetApsLineSwitchReason }
|
|
STATUS current
|
|
DESCRIPTION
|
|
"An slSonetApsTrapSwitchover notification is sent when the
|
|
value whenever a switchover occures."
|
|
::= { slSonetApsTraps 1 }
|
|
|
|
slSonetApsTrapFailureCodeChanged NOTIFICATION-TYPE
|
|
OBJECTS { slSonetApsWorkingIndex, slSonetApsLineFailureCodeStatus }
|
|
STATUS current
|
|
DESCRIPTION
|
|
"An slSonetApsTrapChannelMismatch notification is sent when
|
|
the APS failure code status is changed."
|
|
::= { slSonetApsTraps 2 }
|
|
|
|
slSonetApsTrapEnabled NOTIFICATION-TYPE
|
|
OBJECTS { slSonetApsWorkingIndex, slSonetApsEnable }
|
|
STATUS current
|
|
DESCRIPTION
|
|
"An slSonetApsTrapSwitchover notification is sent when the
|
|
value of slSonetApsEnable is changed."
|
|
::= { slSonetApsTraps 3 }
|
|
|
|
END
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