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APS-MIB DEFINITIONS ::= BEGIN
IMPORTS
MODULE-IDENTITY, NOTIFICATION-TYPE, OBJECT-TYPE,
Gauge32, Counter32, Integer32, transmission
FROM SNMPv2-SMI
TEXTUAL-CONVENTION, RowStatus,
TimeStamp, StorageType
FROM SNMPv2-TC
SnmpAdminString
FROM SNMP-FRAMEWORK-MIB
ifIndex, InterfaceIndex
FROM IF-MIB
MODULE-COMPLIANCE, OBJECT-GROUP, NOTIFICATION-GROUP
FROM SNMPv2-CONF;
apsMIB MODULE-IDENTITY
LAST-UPDATED "200302280000Z" -- February 28, 2003
ORGANIZATION "IETF AToMMIB Working Group"
CONTACT-INFO
" Jim Kuhfeld
Postal: RedBack Networks. Inc.
300 Holger Way
San Jose, CA 95134-1362
Tel: +1 408 750 5465
Email: jkuhfeld@redback.com
Jeff Johnson
Postal: RedBack Networks. Inc.
300 Holger Way
San Jose, CA 95134-1362
Tel: +1 408 750 5460
Email: jeff@redback.com
Michael Thatcher
Postal: RedBack Networks. Inc.
300 Holger Way
San Jose, CA 95134-1362
Tel: +1 408 750 5449
Email: thatcher@redback.com"
DESCRIPTION
"This management information module supports the configuration
and management of SONET linear APS groups. The definitions and
descriptions used in this MIB have been derived from
Synchronous Optical Network (SONET) Transport Systems:
Common Generic Criteria, GR-253-CORE Issue 3, September 2000,
section 5.3. The MIB is also consistent with the Multiplex
Section Protection (MSP) protocol as specified in ITU-T
Recommendation G.783, Characteristics of synchronous digital
hierarchy (SDH) equipment function blocks, Annex A and B.
Copyright (C) The Internet Society (2003). This version of
this MIB module is part of RFC 3498; see the RFC itself for
full legal notices.
"
REVISION "200302280000Z" -- February 28, 2003
DESCRIPTION
"Initial version of this MIB, published as RFC 3498."
::= { transmission 49 }
apsMIBObjects OBJECT IDENTIFIER
::= { apsMIB 1 }
apsMIBNotifications OBJECT IDENTIFIER
::= { apsMIB 2 }
apsMIBConformance OBJECT IDENTIFIER
::= { apsMIB 3 }
ApsK1K2 ::= TEXTUAL-CONVENTION
STATUS current
DESCRIPTION
"This Textual Convention describes an object that stores
a SONET K1 and K2 byte APS protocol field.
K1 is located in the first octet, K2 is located in
the second octet. Bits are numbered from left to right.
Bits 1-4 of the K1 byte indicate a request.
1111 Lockout of Protection
1110 Forced Switch
1101 SF - High Priority
1100 SF - Low Priority
1011 SD - High Priority
1010 SD - Low Priority
1001 not used
1000 Manual Switch
0111 not used
0110 Wait-to-Restore
0101 not used
0100 Exercise
0011 not used
0010 Reverse Request
0001 Do Not Revert
0000 No Request
Bits 5-8 of the K1 byte indicate the channel associated with
the request defined in bits 1-4.
0000 is the Null channel.
1-14 are working channels.
15 is the extra traffic channel
Bits 1-4 of the K2 byte indicate a channel. The channel is
defined with the same syntax as K1 Bits 5-8.
Bit 5 of the K2 byte indicates the
architecture.
0 if the architecture is 1+1
1 if the architecture is 1:n
Bits 6-8 of the K2 byte indicates the mode.
000 - 011 are reserved for future use
100 indicates the mode is unidirectional
101 indicates the mode is bidirectional
110 RDI-L
111 AIS-L
"
REFERENCE
"Bellcore (Telcordia Technologies) GR-253-CORE, Issue 3,
September 2000, 5.3.5."
SYNTAX OCTET STRING (SIZE (2))
ApsSwitchCommand ::= TEXTUAL-CONVENTION
STATUS current
DESCRIPTION
"An APS switch command allows a user to perform protection
switch actions.
If the APS switch command cannot be executed because an
equal or higher priority request is in effect, an
inconsistentValue error is returned.
The Switch command values are:
noCmd
This value should be returned by a read request when no switch
command has been written to the object in question since
initialization. This value may not be used in a write
operation. If noCmd is used in a write operation a wrongValue
error is returned.
clear
Clears all of the switch commands listed below for the
specified channel.
lockoutOfProtection
Prevents any of the working channels from switching to the
protection line. The specified channel should be the protection
channel, otherwise an inconsistentValue error is returned.
forcedSwitchWorkToProtect
Switches the specified working channel to the protection line.
If the protection channel is specified an inconsistentValue
error is returned.
forcedSwitchProtectToWork
Switches the working channel back from the protection
line to the working line. The specified channel should be
the protection channel, otherwise an inconsistentValue
error is returned.
manualSwitchWorkToProtect
Switches the specified working channel to the protection line.
If the protection channel is specified an inconsistentValue
error is returned.
manualSwitchProtectToWork
Switches the working channel back from the protection
line to the working line. The specified channel should be
the protection channel, otherwise an inconsistentValue
error is returned.
exercise
Exercises the protocol for a protection switch of the specified
channel by issuing an Exercise request for that channel and
checking the response on the APS channel. "
SYNTAX INTEGER {
noCmd(1),
clear(2),
lockoutOfProtection(3),
forcedSwitchWorkToProtect(4),
forcedSwitchProtectToWork(5),
manualSwitchWorkToProtect(6),
manualSwitchProtectToWork(7),
exercise(8)
}
ApsControlCommand ::= TEXTUAL-CONVENTION
STATUS current
DESCRIPTION
"An APS control command applies only to LTE that support the
1:n architecture and performs the following actions.
The Control command values are:
noCmd
This value should be returned by a read request when no control
command has been written to the object in question since
initialization. This value may not be used in a write
operation. If noCmd is used in a write operation a wrongValue
error is returned.
lockoutWorkingChannel
Prevents the specified working channel from switching to the
protection line. If the protection line is specified an
inconsistentValue error is returned.
clearLockoutWorkingChannel
Clears the lockout a working channel command for the channel
specified. If the protection line is specified an
inconsistentValue error is returned."
SYNTAX INTEGER {
noCmd(1),
lockoutWorkingChannel(2),
clearLockoutWorkingChannel(3)
}
--
-- APS Configuration Table
--
-- This table supports the addition, configuration and deletion of APS
-- groups.
--
apsConfig OBJECT IDENTIFIER ::= { apsMIBObjects 1 }
apsConfigGroups OBJECT-TYPE
SYNTAX Gauge32
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The count of APS groups. This count includes all rows in
apsConfigTable, regardless of the value of apsConfigRowStatus."
::= { apsConfig 1 }
apsConfigTable OBJECT-TYPE
SYNTAX SEQUENCE OF ApsConfigEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"This table lists the APS groups that have been configured
on the system."
::= { apsConfig 2 }
apsConfigEntry OBJECT-TYPE
SYNTAX ApsConfigEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"A conceptual row in the apsConfigTable."
INDEX { IMPLIED apsConfigName }
::= { apsConfigTable 1 }
ApsConfigEntry ::= SEQUENCE {
apsConfigName SnmpAdminString,
apsConfigRowStatus RowStatus,
apsConfigMode INTEGER,
apsConfigRevert INTEGER,
apsConfigDirection INTEGER,
apsConfigExtraTraffic INTEGER,
apsConfigSdBerThreshold Integer32,
apsConfigSfBerThreshold Integer32,
apsConfigWaitToRestore Integer32,
apsConfigCreationTime TimeStamp,
apsConfigStorageType StorageType
}
apsConfigName OBJECT-TYPE
SYNTAX SnmpAdminString (SIZE (1..32))
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"A textual name for the APS group."
::= { apsConfigEntry 1 }
apsConfigRowStatus OBJECT-TYPE
SYNTAX RowStatus
MAX-ACCESS read-create
STATUS current
DESCRIPTION
"The status of this APS group entry.
An entry may not exist in the active state unless all
objects in the entry have an appropriate value. Also,
all associated apsChanConfigEntry rows must represent
a set of consecutive channel numbers beginning with
0 or 1, depending on the selected architecture.
When set to notInService changes may be made to apsConfigMode,
apsConfigRevert, apsConfigDirection, apsConfigExtraTraffic,
apsConfigSdBerThreshold, apsConfigSfBerThreshold,
and apsConfigWaitToRestore. Also, associated apsChanConfigTable
objects may be added, deleted and modified."
::= { apsConfigEntry 2 }
apsConfigMode OBJECT-TYPE
SYNTAX INTEGER {
onePlusOne(1),
oneToN(2),
onePlusOneCompatible(3),
onePlusOneOptimized(4)
}
MAX-ACCESS read-create
STATUS current
DESCRIPTION
"The architecture of the APS group.
onePlusOne
The 1+1 architecture permanently bridges the working
line to the protection line.
oneToN
The 1:n architecture allows one protection channel to
protect up to n working channels. When a fault is detected
on one of the n working channels that channel is bridged
over the protection channel.
onePlusOneCompatible
This refers to 1 + 1 bidirectional switching compatible with
1:n bidirectional switching as specified in ITU-T
Recommendation G.783 (04/97) section A.3.4.1. Since this
mode necessitates bidirectional switching, apsConfigDirection
must be set to bidirectional whenever onePlusOneCompatible
is set.
onePlusOneOptimized
This refers to 1 + 1 bidirectional switching optimized
for a network using predominantly 1 + 1 bidirectional
switching as specified in ITU-T Recommendation G.783 (04/97)
section B.1. Since this mode necessitates bidirectional
switching, apsConfigDirection must be set to bidirectional
whenever onePlusOneOptimized is set.
This object may not be modified if the associated
apsConfigRowStatus object is equal to active(1)."
DEFVAL {onePlusOne}
::= { apsConfigEntry 3 }
apsConfigRevert OBJECT-TYPE
SYNTAX INTEGER { nonrevertive(1), revertive(2) }
MAX-ACCESS read-create
STATUS current
DESCRIPTION
"The revertive mode of the APS group.
nonrevertive
Traffic remains on the protection line until another switch
request is received.
revertive
When the condition that caused a switch to the protection
line has been cleared the signal is switched back to the
working line. Since switching is revertive with the 1:n
architecture, apsConfigRevert must be set to revertive if
apsConfigMode is set to oneToN.
Switching may optionally be revertive with the 1+1 architecture.
This object may not be modified if the associated
apsConfigRowStatus object is equal to active(1). "
DEFVAL { nonrevertive }
::= { apsConfigEntry 4 }
apsConfigDirection OBJECT-TYPE
SYNTAX INTEGER { unidirectional(1), bidirectional(2) }
MAX-ACCESS read-create
STATUS current
DESCRIPTION
"The directional mode of the APS group.
unidirectional
The unidirectional mode provides protection in one direction.
bidirectional
The bidirectional mode provides protection in both
directions.
This object may not be modified if the associated
apsConfigRowStatus object is equal to active(1). "
DEFVAL {unidirectional}
::= { apsConfigEntry 5 }
apsConfigExtraTraffic OBJECT-TYPE
SYNTAX INTEGER { enabled(1), disabled(2) }
MAX-ACCESS read-create
STATUS current
DESCRIPTION
"This object enables or disables the transfer of extra traffic
on the protection channel in a 1:n architecture. This object
must be set to disabled if the architecture is 1+1. It may be
necessary to disable this in order to interwork with other SONET
network elements that don't support extra traffic.
This object may not be modified if the associated
apsConfigRowStatus object is equal to active(1). "
DEFVAL { disabled }
::= { apsConfigEntry 6 }
apsConfigSdBerThreshold OBJECT-TYPE
SYNTAX Integer32 (5..9)
MAX-ACCESS read-create
STATUS current
DESCRIPTION
"The Signal Degrade Bit Error Rate.
The negated value of this number is used as the exponent of
10 for computing the threshold value for the Bit Error Rate
(BER). For example, a value of 5 indicates a BER threshold of
10^-5.
This object may be modified if the associated
apsConfigRowStatus object is equal to active(1)."
DEFVAL { 5 }
::= { apsConfigEntry 7 }
apsConfigSfBerThreshold OBJECT-TYPE
SYNTAX Integer32 (3..5)
MAX-ACCESS read-create
STATUS current
DESCRIPTION
"The Signal Failure Bit Error Rate.
The negated value of this number is used as the exponent of
10 for computing the threshold value for the Bit Error Rate
(BER). For example, a value of 5 indicates a BER threshold of
10^-5.
This object may be modified if the associated
apsConfigRowStatus object is equal to active(1)."
DEFVAL { 3 }
::= { apsConfigEntry 8 }
apsConfigWaitToRestore OBJECT-TYPE
SYNTAX Integer32 (0..720)
UNITS "seconds"
MAX-ACCESS read-create
STATUS current
DESCRIPTION
"The Wait To Restore period in seconds.
After clearing of a condition that necessitated an
automatic switch, the wait to restore period must elapse
before reverting. This is intended to avoid rapid switch
oscillations.
GR-253-CORE specifies a Wait To Restore range of 5 to 12
minutes. G.783 defines a 5 to 12 minute Wait To Restore
range in section 5.4.1.1.3, but also allows for a shorter
WTR period in Table 2-1,
WaitToRestore value (MI_WTRtime: 0..(5)..12 minutes).
This object may not be modified if the associated
apsConfigRowStatus object is equal to active(1)."
DEFVAL { 300 }
::= { apsConfigEntry 9 }
apsConfigCreationTime OBJECT-TYPE
SYNTAX TimeStamp
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The value of sysUpTime at the time the row was
created"
::= { apsConfigEntry 10 }
apsConfigStorageType OBJECT-TYPE
SYNTAX StorageType
MAX-ACCESS read-create
STATUS current
DESCRIPTION
"The storage type for this conceptual row.
Conceptual rows having the value 'permanent' need not
allow write-access to any columnar objects in the row."
DEFVAL { nonVolatile }
::= { apsConfigEntry 11 }
--
-- APS Status Table
--
-- This table provides APS group statistics.
--
apsStatusTable OBJECT-TYPE
SYNTAX SEQUENCE OF ApsStatusEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"This table provides status information about APS groups
that have been configured on the system."
::= { apsMIBObjects 2 }
apsStatusEntry OBJECT-TYPE
SYNTAX ApsStatusEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"A conceptual row in the apsStatusTable."
AUGMENTS { apsConfigEntry }
::= { apsStatusTable 1 }
ApsStatusEntry ::= SEQUENCE {
apsStatusK1K2Rcv ApsK1K2,
apsStatusK1K2Trans ApsK1K2,
apsStatusCurrent BITS,
apsStatusModeMismatches Counter32,
apsStatusChannelMismatches Counter32,
apsStatusPSBFs Counter32,
apsStatusFEPLFs Counter32,
apsStatusSwitchedChannel Integer32,
apsStatusDiscontinuityTime TimeStamp
}
apsStatusK1K2Rcv OBJECT-TYPE
SYNTAX ApsK1K2
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The current value of the K1 and K2 bytes received on the
protection channel."
::= { apsStatusEntry 1 }
apsStatusK1K2Trans OBJECT-TYPE
SYNTAX ApsK1K2
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The current value of the K1 and K2 bytes transmitted on the
protection channel."
::= { apsStatusEntry 2 }
apsStatusCurrent OBJECT-TYPE
SYNTAX BITS {
modeMismatch(0),
channelMismatch(1),
psbf(2),
feplf(3),
extraTraffic(4)
}
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The current status of the APS group.
modeMismatch
Modes other than 1+1 unidirectional monitor protection line
K2 bit 5, which indicates the architecture and K2 bits
6-8, which indicate if the mode is unidirectional or
bidirectional. A conflict between the current local mode
and the received K2 mode information constitutes a
mode mismatch.
channelMismatch
This bit indicates a mismatch between the transmitted K1
channel and the received K2 channel has been detected.
psbf
This bit indicates a Protection Switch Byte Failure (PSBF) is
in effect. This condition occurs when either an inconsistent
APS byte or an invalid code is detected. An inconsistent APS
byte occurs when no three consecutive K1 bytes of the last 12
successive frames are identical, starting with the last frame
containing a previously consistent byte. An invalid code occurs
when the incoming K1 byte contains an unused code or a code
irrelevant for the specific switching operation (e.g., Reverse
Request while no switching request is outstanding) in three
consecutive frames. An invalid code also occurs when the
incoming K1 byte contains an invalid channel number in three
consecutive frames.
feplf
Modes other than 1+1 unidirectional monitor the K1 byte
for Far-End Protection-Line failures. A Far-End
Protection-Line defect is declared based on receiving
SF on the protection line.
extraTraffic
This bit indicates whether extra traffic is currently being
accepted on the protection line. "
::= { apsStatusEntry 3 }
apsStatusModeMismatches OBJECT-TYPE
SYNTAX Counter32
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"A count of Mode Mismatch conditions.
Discontinuities in the value of this counter can occur at
re-initialization of the management system, and at other
times as indicated by the value of
apsStatusDiscontinuityTime."
::= { apsStatusEntry 4 }
apsStatusChannelMismatches OBJECT-TYPE
SYNTAX Counter32
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"A count of Channel Mismatch conditions.
Discontinuities in the value of this counter can occur at
re-initialization of the management system, and at other
times as indicated by the value of
apsStatusDiscontinuityTime."
::= { apsStatusEntry 5 }
apsStatusPSBFs OBJECT-TYPE
SYNTAX Counter32
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"A count of Protection Switch Byte Failure conditions.
This condition occurs when either an inconsistent APS
byte or an invalid code is detected. An inconsistent APS
byte occurs when no three consecutive K1 bytes of the last
12 successive frames are identical, starting with the last
frame containing a previously consistent byte. An invalid
code occurs when the incoming K1 byte contains an unused
code or a code irrelevant for the specific switching
operation (e.g., Reverse Request while no switching request
is outstanding) in three consecutive frames. An invalid code
also occurs when the incoming K1 byte contains an invalid
channel number in three consecutive frames.
Discontinuities in the value of this counter can occur at
re-initialization of the management system, and at other
times as indicated by the value of
apsStatusDiscontinuityTime."
::= { apsStatusEntry 6 }
apsStatusFEPLFs OBJECT-TYPE
SYNTAX Counter32
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"A count of Far-End Protection-Line Failure conditions.
This condition is declared based on receiving SF on
the protection line in the K1 byte.
Discontinuities in the value of this counter can occur at
re-initialization of the management system, and at other
times as indicated by the value of
apsStatusDiscontinuityTime."
::= { apsStatusEntry 7 }
apsStatusSwitchedChannel OBJECT-TYPE
SYNTAX Integer32
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"This field is set to the number of the channel that is
currently switched to protection. The value 0 indicates no
channel is switched to protection. The values 1-14 indicate
that working channel is switched to protection."
::= { apsStatusEntry 8 }
apsStatusDiscontinuityTime OBJECT-TYPE
SYNTAX TimeStamp
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The value of sysUpTime on the most recent occasion at which
any one or more of this APS group's counters suffered a
discontinuity. The relevant counters are the specific
instances associated with this APS group of any Counter32
object contained in apsStatusTable. If no such
discontinuities have occurred since the last re-initialization
of the local management subsystem, then this object contains
a zero value."
::= { apsStatusEntry 9 }
--
-- APS Map Group
--
-- Lists the SONET LTE interfaces that may be used to create APS groups.
--
apsMap OBJECT IDENTIFIER ::= { apsMIBObjects 3 }
apsChanLTEs OBJECT-TYPE
SYNTAX Gauge32
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The count of SONET LTE interfaces on the system.
Each interface that is included has an ifType value of
sonet(39)."
::= { apsMap 1 }
apsMapTable OBJECT-TYPE
SYNTAX SEQUENCE OF ApsMapEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"This table lists the SONET LTE interfaces on the system.
Each interface that is listed has an ifType value of
sonet(39)."
::= { apsMap 2 }
apsMapEntry OBJECT-TYPE
SYNTAX ApsMapEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"A conceptual row in the apsMapTable."
INDEX { ifIndex }
::= { apsMapTable 1 }
ApsMapEntry ::= SEQUENCE {
apsMapGroupName SnmpAdminString,
apsMapChanNumber Integer32
}
apsMapGroupName OBJECT-TYPE
SYNTAX SnmpAdminString (SIZE (0..32))
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"A textual name for the APS group which this channel is
included in. If the channel is not part of an APS group
this value is set to a string of size 0.
When an instance of apsChanConfigIfIndex is set equal to an
instance of ifIndex that has an ifType value of sonet(39),
apsMapGroupName is set equal to the corresponding value of
apsChanConfigGroupName.
If an instance of ifIndex that has an ifType value of
sonet(39) ceases to be equal to an instance of
apsChanConfigIfIndex, either because of a change in the value
of apsChanConfigIfIndex, or because of row deletion in the
ApsChanConfigTable, apsMapGroupName is set to a string of
size 0."
::= { apsMapEntry 2 }
apsMapChanNumber OBJECT-TYPE
SYNTAX Integer32 (-1..14)
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"This field is set to a unique channel number within an APS
group. The value 0 indicates the null channel. The values
1-14 define a working channel. If the SONET LTE is not part
of an APS group this value is set to -1.
When an instance of apsChanConfigIfIndex is set equal to an
instance of ifIndex that has an ifType value of sonet(39),
apsMapChanNumber is set equal to the corresponding value of
apsChanConfigNumber.
If an instance of ifIndex that has an ifType value of
sonet(39) ceases to be equal to an instance of
apsChanConfigIfIndex, either because of a change in the
value of apsChanConfigIfIndex, or because of row deletion
in the ApsChanConfigTable, apsMapChanNumber is set to -1."
::= { apsMapEntry 3 }
--
-- APS Channel Configuration Table
--
-- This table supports the addition, configuration and deletion of
-- channels in APS groups.
--
apsChanConfigTable OBJECT-TYPE
SYNTAX SEQUENCE OF ApsChanConfigEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"This table lists the APS channels that have been configured
in APS groups."
::= { apsMIBObjects 4 }
apsChanConfigEntry OBJECT-TYPE
SYNTAX ApsChanConfigEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"A conceptual row in the apsChanConfigTable."
INDEX {apsChanConfigGroupName, apsChanConfigNumber}
::= { apsChanConfigTable 1 }
ApsChanConfigEntry ::= SEQUENCE {
apsChanConfigGroupName SnmpAdminString,
apsChanConfigNumber Integer32,
apsChanConfigRowStatus RowStatus,
apsChanConfigIfIndex InterfaceIndex,
apsChanConfigPriority INTEGER,
apsChanConfigStorageType StorageType
}
apsChanConfigGroupName OBJECT-TYPE
SYNTAX SnmpAdminString (SIZE (1..32))
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"A textual name for the APS group which this channel is
included in."
::= { apsChanConfigEntry 1 }
apsChanConfigNumber OBJECT-TYPE
SYNTAX Integer32 (0..14)
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"This field is set to a unique channel number within an APS
group. The value 0 indicates the null channel. The values
1-14 define a working channel.
This field must be assigned a unique number within the group."
::= { apsChanConfigEntry 2 }
apsChanConfigRowStatus OBJECT-TYPE
SYNTAX RowStatus
MAX-ACCESS read-create
STATUS current
DESCRIPTION
"The status of this APS channel entry.
An entry may not exist in the active state unless all
objects in the entry have an appropriate value.
A row in the apsChanConfigTable may not be created,
deleted, set to notInService or otherwise modified
if the apsChanConfigGroupName value is equal to an
apsConfigName value and the associated apsConfigRowStatus
object is equal to active. However, if the apsConfigRowStatus
object is equal to notInService, a row may be created, deleted
or modified. In other words, a channel may not be added,
deleted or modified if the group is active.
A row may be created with an apsChanConfigGroupName value
that is not equal to any existing instance of apsConfigName.
This action is the initial step in adding a SONET LTE to a
new APS group.
If this object is set to destroy, the associated instance
of apsMapGroupName will be set to a string of size 0 and
the apsMapChanNumber will be set to -1. The channel status
entry will also be deleted by this action.
apsChanConfigNumber must be set to a unique channel number
within the APS group. The value 0 indicates the null channel.
The values 1-14 define a working channel. When an attempt is
made to set the corresponding apsConfigRowStatus field to
active the apsChanConfigNumber values of all entries with equal
apsChanConfigGroupName fields must represent a set of
consecutive integer values beginning with 0 or 1, depending on
the architecture of the group, and ending with n, where n is
greater than or equal to 1 and less than or equal to 14.
Otherwise, the error inconsistentValue is returned to the
apsConfigRowStatus set attempt."
::= { apsChanConfigEntry 3 }
apsChanConfigIfIndex OBJECT-TYPE
SYNTAX InterfaceIndex
MAX-ACCESS read-create
STATUS current
DESCRIPTION
"The Interface Index assigned to a SONET LTE. This is an
interface with ifType sonet(39). The value of this object
must be unique among all instances of apsChanConfigIfIndex.
In other words, a particular SONET LTE can only be configured
in one APS group.
This object cannot be set if the apsChanConfigGroupName
instance associated with this row is equal to an instance of
apsConfigName and the corresponding apsConfigRowStatus object
is set to active. In other words this value cannot be changed
if the APS group is active. However, this value may be changed
if the apsConfigRowStatus value is equal to notInService."
::= { apsChanConfigEntry 4 }
apsChanConfigPriority OBJECT-TYPE
SYNTAX INTEGER {low(1), high(2)}
MAX-ACCESS read-create
STATUS current
DESCRIPTION
"The priority of the channel.
This field determines whether high or low priority
SD and SF codes are used in K1 requests.
This field is only applicable if the channel is to be included
in a group using the 1:n architecture. It is not applicable if
the channel is to be included in a group using the 1+1
architecture, and is ignored in that case.
This object cannot be set if the apsChanConfigGroupName
instance associated with this row is equal to an instance of
apsConfigName and the corresponding apsConfigRowStatus object
is set to active. In other words this value cannot be changed
if the APS group is active. However, this value may be changed
if the apsConfigRowStatus value is equal to notInService."
DEFVAL { low }
::= { apsChanConfigEntry 5 }
apsChanConfigStorageType OBJECT-TYPE
SYNTAX StorageType
MAX-ACCESS read-create
STATUS current
DESCRIPTION
"The storage type for this conceptual row.
Conceptual rows having the value 'permanent' need not
allow write-access to any columnar objects in the row."
DEFVAL { nonVolatile }
::= { apsChanConfigEntry 6 }
--
-- APS Command Table
--
-- This table provides the ability to initiate APS commands.
--
apsCommandTable OBJECT-TYPE
SYNTAX SEQUENCE OF ApsCommandEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"This table allows commands to be sent to configured APS
groups."
::= { apsMIBObjects 5 }
apsCommandEntry OBJECT-TYPE
SYNTAX ApsCommandEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"A conceptual row in the apsCommandTable. This row exists only
if the associated apsConfigEntry is active."
INDEX {apsChanConfigGroupName, apsChanConfigNumber}
::= { apsCommandTable 1 }
ApsCommandEntry ::= SEQUENCE {
apsCommandSwitch ApsSwitchCommand,
apsCommandControl ApsControlCommand
}
apsCommandSwitch OBJECT-TYPE
SYNTAX ApsSwitchCommand
MAX-ACCESS read-write
STATUS current
DESCRIPTION
"Allows the initiation of an APS switch command on the
APS group and channel specified by the index values.
When read this object returns the last command written
or noCmd if no command has been written to this
channel since initialization. The return of the last command
written does not imply that this command is currently in
effect. This request may have been preempted by a higher
priority local or remote request. In order to determine the
current state of the APS group it is necessary to read
the objects apsStatusK1K2Rcv and apsStatusK1K2Trans.
The value lockoutOfProtection should only be applied to the
protection line channel since that switch command prevents any
of the working channels from switching to the protection line.
Following the same logic, forcedSwitchProtectToWork and
manualSwitchProtectToWork should only be applied to the
protection line channel.
forcedSwitchWorkToProtect and manualSwitchWorkToProtect
should only be applied to a working channel."
::= { apsCommandEntry 1 }
apsCommandControl OBJECT-TYPE
SYNTAX ApsControlCommand
MAX-ACCESS read-write
STATUS current
DESCRIPTION
"Allows the initiation of an APS control command on the
APS group and channel specified by the index values.
When read this object returns the last command written or
noCmd if no command has been written to this channel since
initialization.
This object does not apply to the protection line."
::= { apsCommandEntry 2 }
--
-- APS Channel Status Table
--
-- This table provides APS channel statistics.
--
apsChanStatusTable OBJECT-TYPE
SYNTAX SEQUENCE OF ApsChanStatusEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"This table contains status information for all SONET LTE
interfaces that are included in APS groups."
::= { apsMIBObjects 6 }
apsChanStatusEntry OBJECT-TYPE
SYNTAX ApsChanStatusEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"A conceptual row in the apsChanStatusTable."
AUGMENTS { apsChanConfigEntry }
::= { apsChanStatusTable 1 }
ApsChanStatusEntry ::= SEQUENCE {
apsChanStatusCurrent BITS,
apsChanStatusSignalDegrades Counter32,
apsChanStatusSignalFailures Counter32,
apsChanStatusSwitchovers Counter32,
apsChanStatusLastSwitchover TimeStamp,
apsChanStatusSwitchoverSeconds Counter32,
apsChanStatusDiscontinuityTime TimeStamp
}
apsChanStatusCurrent OBJECT-TYPE
SYNTAX BITS {
lockedOut(0),
sd(1),
sf(2),
switched(3),
wtr(4)
}
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"Indicates the current state of the port.
lockedOut
This bit, when applied to a working channel, indicates that
the channel is prevented from switching to the protection
line. When applied to the null channel, this bit indicates
that no working channel may switch to the protection line.
sd
A signal degrade condition is in effect.
sf
A signal failure condition is in effect.
switched
The switched bit is applied to a working channel if that
channel is currently switched to the protection line.
wtr
A Wait-to-Restore state is in effect."
::= { apsChanStatusEntry 1 }
apsChanStatusSignalDegrades OBJECT-TYPE
SYNTAX Counter32
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"A count of Signal Degrade conditions. This condition
occurs when the line Bit Error Rate exceeds the currently
configured value of the relevant instance of
apsConfigSdBerThreshold.
Discontinuities in the value of this counter can occur at
re-initialization of the management system, and at other
times as indicated by the value of
apsChanStatusDiscontinuityTime."
::= { apsChanStatusEntry 2 }
apsChanStatusSignalFailures OBJECT-TYPE
SYNTAX Counter32
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"A count of Signal Failure conditions that have been
detected on the incoming signal. This condition occurs
when a loss of signal, loss of frame, AIS-L or a Line
bit error rate exceeding the currently configured value of
the relevant instance of apsConfigSfBerThreshold.
Discontinuities in the value of this counter can occur at
re-initialization of the management system, and at other
times as indicated by the value of
apsChanStatusDiscontinuityTime."
::= { apsChanStatusEntry 3 }
apsChanStatusSwitchovers OBJECT-TYPE
SYNTAX Counter32
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"When queried with index value apsChanConfigNumber other than
0, this object will return the number of times this channel
has switched to the protection line.
When queried with index value apsChanConfigNumber set to 0,
which is the protection line, this object will return the
number of times that any working channel has been switched
back to the working line from this protection line.
Discontinuities in the value of this counter can occur at
re-initialization of the management system, and at other
times as indicated by the value of
apsChanStatusDiscontinuityTime."
::= { apsChanStatusEntry 4 }
apsChanStatusLastSwitchover OBJECT-TYPE
SYNTAX TimeStamp
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"When queried with index value apsChanConfigNumber other than
0, this object will return the value of sysUpTime when this
channel last completed a switch to the protection line. If
this channel has never switched to the protection line, the
value 0 will be returned.
When queried with index value apsChanConfigNumber set to 0,
which is the protection line, this object will return the
value of sysUpTime the last time that a working channel was
switched back to the working line from this protection line.
If no working channel has ever switched back to the working
line from this protection line, the value 0 will be returned."
::= { apsChanStatusEntry 5 }
apsChanStatusSwitchoverSeconds OBJECT-TYPE
SYNTAX Counter32
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The cumulative Protection Switching Duration (PSD) time in
seconds. For a working channel, this is the cumulative number
of seconds that service was carried on the protection line.
For the protection line, this is the cumulative number of
seconds that the protection line has been used to carry any
working channel traffic. This information is only valid if
revertive switching is enabled. The value 0 will be returned
otherwise.
Discontinuities in the value of this counter can occur at
re-initialization of the management system, and at other
times as indicated by the value of
apsChanStatusDiscontinuityTime. For example, if the value
of an instance of apsChanStatusSwitchoverSeconds changes
from a non-zero value to zero due to revertive switching
being disabled, it is expected that the corresponding
value of apsChanStatusDiscontinuityTime will be updated
to reflect the time of the configuration change.
"
::= { apsChanStatusEntry 6 }
apsChanStatusDiscontinuityTime OBJECT-TYPE
SYNTAX TimeStamp
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The value of sysUpTime on the most recent occasion at which
any one or more of this channel's counters suffered a
discontinuity. The relevant counters are the specific
instances associated with this channel of any Counter32
object contained in apsChanStatusTable. If no such
discontinuities have occurred since the last re-initialization
of the local management subsystem, then this object contains
a zero value."
::= { apsChanStatusEntry 7 }
apsNotificationEnable OBJECT-TYPE
SYNTAX BITS {
switchover(0),
modeMismatch(1),
channelMismatch(2),
psbf(3),
feplf(4)
}
MAX-ACCESS read-write
STATUS current
DESCRIPTION
"Provides the ability to enable and disable notifications
defined in this MIB.
switchover
Indicates apsEventSwitchover notifications
should be generated.
modeMismatch
Indicates apsEventModeMismatch notifications
should be generated.
channelMismatch
Indicates apsEventChannelMismatch notifications
should be generated.
psbf
Indicates apsEventPSBF notifications
should be generated.
feplf
Indicates apsEventFEPLF notifications
should be generated. "
DEFVAL { { } }
::= { apsMIBObjects 7 }
--
-- APS EVENTS
--
apsNotificationsPrefix OBJECT IDENTIFIER
::= { apsMIBNotifications 0 }
apsEventSwitchover NOTIFICATION-TYPE
OBJECTS { apsChanStatusSwitchovers, apsChanStatusCurrent }
STATUS current
DESCRIPTION
"An apsEventSwitchover notification is sent when the
value of an instance of apsChanStatusSwitchovers increments."
::= { apsNotificationsPrefix 1 }
apsEventModeMismatch NOTIFICATION-TYPE
OBJECTS { apsStatusModeMismatches, apsStatusCurrent }
STATUS current
DESCRIPTION
"An apsEventModeMismatch notification is sent when the
value of an instance of apsStatusModeMismatches increments."
::= { apsNotificationsPrefix 2 }
apsEventChannelMismatch NOTIFICATION-TYPE
OBJECTS { apsStatusChannelMismatches, apsStatusCurrent }
STATUS current
DESCRIPTION
"An apsEventChannelMismatch notification is sent when the
value of an instance of apsStatusChannelMismatches increments."
::= { apsNotificationsPrefix 3 }
apsEventPSBF NOTIFICATION-TYPE
OBJECTS { apsStatusPSBFs, apsStatusCurrent }
STATUS current
DESCRIPTION
"An apsEventPSBF notification is sent when the
value of an instance of apsStatusPSBFs increments."
::= { apsNotificationsPrefix 4 }
apsEventFEPLF NOTIFICATION-TYPE
OBJECTS { apsStatusFEPLFs, apsStatusCurrent }
STATUS current
DESCRIPTION
"An apsEventFEPLFs notification is sent when the
value of an instance of apsStatusFEPLFs increments."
::= { apsNotificationsPrefix 5 }
-- conformance information
apsGroups OBJECT IDENTIFIER ::= { apsMIBConformance 1 }
apsCompliances OBJECT IDENTIFIER ::= { apsMIBConformance 2 }
apsFullCompliance MODULE-COMPLIANCE
STATUS current
DESCRIPTION
"When this MIB is implemented with support for read-create, then
such an implementation can claim read/write compliance. Linear
APS groups can then be both monitored and configured with this
MIB.
Note that An agent is not required to process SNMP Set Requests
that affect multiple control objects within this MIB. This is
intended to simplify the processing of Set Requests for the
various control tables by eliminating the possibility that a
single Set PDU will contain multiple varbinds which are in
conflict. "
MODULE
MANDATORY-GROUPS { apsConfigGeneral, apsStatusGeneral,
apsChanGeneral }
OBJECT apsConfigRowStatus
SYNTAX INTEGER { active(1) }
WRITE-SYNTAX INTEGER { createAndGo(4), destroy(6) }
DESCRIPTION
"Support for createAndWait and notInService is not
required."
OBJECT apsChanConfigRowStatus
SYNTAX INTEGER { active(1) }
WRITE-SYNTAX INTEGER { createAndGo(4), destroy(6) }
DESCRIPTION
"Support for createAndWait and notInService is not
required."
GROUP apsConfigWtr
DESCRIPTION
"Implementation of this group is optional for all
linear APS implementations. The information is
applicable to groups supporting a configurable
WTR period."
GROUP apsCommandOnePlusOne
DESCRIPTION
"Implementation of this group is optional for all
linear APS implementations. The information is
applicable to groups implementing the linear
APS 1+1 architecture and supporting set operations."
GROUP apsCommandOneToN
DESCRIPTION
"Implementation of this group is optional for all
linear APS implementations. The information is
applicable to groups implementing the linear
APS 1:n architecture and supporting set operations."
GROUP apsChanOneToN
DESCRIPTION
"Implementation of this group is optional for all
linear APS implementations. The information is
applicable to groups implementing the linear
APS 1:n architecture."
GROUP apsTotalsGroup
DESCRIPTION
"Implementation of this group is optional for all
linear APS implementations."
GROUP apsMapGroup
DESCRIPTION
"Implementation of this group is optional for all
linear APS implementations."
GROUP apsEventGroup
DESCRIPTION
"Implementation of this group is optional for all
linear APS implementations."
::= { apsCompliances 1 }
--
-- Read-Only Compliance
--
apsReadOnlyCompliance MODULE-COMPLIANCE
STATUS current
DESCRIPTION
"When this MIB is implemented without support for read-create
(i.e. in read-only mode), then that implementation can claim
read-only compliance. In that case, linear APS groups can be
monitored but cannot be configured with this MIB."
MODULE
MANDATORY-GROUPS { apsConfigGeneral, apsStatusGeneral,
apsChanGeneral }
OBJECT apsConfigMode
MIN-ACCESS read-only
DESCRIPTION
"Write access is not required."
OBJECT apsConfigRevert
MIN-ACCESS read-only
DESCRIPTION
"Write access is not required."
OBJECT apsConfigDirection
MIN-ACCESS read-only
DESCRIPTION
"Write access is not required."
OBJECT apsConfigExtraTraffic
MIN-ACCESS read-only
DESCRIPTION
"Write access is not required."
OBJECT apsConfigSdBerThreshold
MIN-ACCESS read-only
DESCRIPTION
"Write access is not required."
OBJECT apsConfigSfBerThreshold
MIN-ACCESS read-only
DESCRIPTION
"Write access is not required."
OBJECT apsConfigWaitToRestore
MIN-ACCESS read-only
DESCRIPTION
"Write access is not required."
OBJECT apsConfigRowStatus
SYNTAX INTEGER { active(1) }
MIN-ACCESS read-only
DESCRIPTION
"Write access is not required, and active is the only status
that needs to be supported."
OBJECT apsConfigStorageType
MIN-ACCESS read-only
DESCRIPTION
"Write access is not required."
OBJECT apsChanConfigIfIndex
MIN-ACCESS read-only
DESCRIPTION
"Write access is not required."
OBJECT apsChanConfigPriority
MIN-ACCESS read-only
DESCRIPTION
"Write access is not required."
OBJECT apsChanConfigRowStatus
SYNTAX INTEGER { active(1) }
MIN-ACCESS read-only
DESCRIPTION
"Write access is not required, and active is the only status
that needs to be supported."
OBJECT apsChanConfigStorageType
MIN-ACCESS read-only
DESCRIPTION
"Write access is not required."
OBJECT apsNotificationEnable
MIN-ACCESS read-only
DESCRIPTION
"Write access is not required."
GROUP apsConfigWtr
DESCRIPTION
"Implementation of this group is optional for all
linear APS implementations. The information is
applicable to groups supporting a configurable
WTR period."
GROUP apsCommandOnePlusOne
DESCRIPTION
"Implementation of this group is optional for all
linear APS implementations. The information is
applicable to groups implementing the linear
APS 1+1 architecture and supporting set operations."
GROUP apsCommandOneToN
DESCRIPTION
"Implementation of this group is optional for all
linear APS implementations. The information is
applicable to groups implementing the linear
APS 1:n architecture and supporting set operations."
GROUP apsChanOneToN
DESCRIPTION
"Implementation of this group is optional for all
linear APS implementations. The information is
applicable to groups implementing the linear
APS 1:n architecture."
GROUP apsTotalsGroup
DESCRIPTION
"Implementation of this group is optional for all
linear APS implementations."
GROUP apsMapGroup
DESCRIPTION
"Implementation of this group is optional for all
linear APS implementations."
GROUP apsEventGroup
DESCRIPTION
"Implementation of this group is optional for all
linear APS implementations."
::= { apsCompliances 2 }
-- units of conformance
apsConfigGeneral OBJECT-GROUP
OBJECTS
{
apsConfigMode,
apsConfigRevert,
apsConfigDirection,
apsConfigExtraTraffic,
apsConfigSdBerThreshold,
apsConfigSfBerThreshold,
apsConfigCreationTime,
apsConfigRowStatus,
apsConfigStorageType,
apsNotificationEnable
}
STATUS current
DESCRIPTION
"A collection of apsConfigTable objects providing configuration
information applicable to all linear APS groups."
::= { apsGroups 1 }
apsConfigWtr OBJECT-GROUP
OBJECTS
{
apsConfigWaitToRestore
}
STATUS current
DESCRIPTION
"The apsConfigTable object that provides information which is
applicable to groups supporting a configurable WTR period."
::= { apsGroups 2 }
-- If set operations are not supported neither of the following two
-- groups are implemented. If sets are supported only one of these
-- groups is implemented for a linear APS group instance.
apsCommandOnePlusOne OBJECT-GROUP
OBJECTS
{
apsCommandSwitch
}
STATUS current
DESCRIPTION
"The apsCommandTable object which is applicable to groups
implementing the linear APS 1+1 architecture. Also, set
operations must be supported."
::= { apsGroups 3 }
apsCommandOneToN OBJECT-GROUP
OBJECTS
{
apsCommandSwitch,
apsCommandControl
}
STATUS current
DESCRIPTION
"A collection of apsCommandTable objects which are applicable to
groups implementing the linear APS 1:n architecture. Also, set
operations must be supported."
::= { apsGroups 4 }
apsStatusGeneral OBJECT-GROUP
OBJECTS
{
apsStatusK1K2Rcv,
apsStatusK1K2Trans,
apsStatusCurrent,
apsStatusModeMismatches,
apsStatusChannelMismatches,
apsStatusPSBFs,
apsStatusFEPLFs,
apsStatusSwitchedChannel,
apsStatusDiscontinuityTime
}
STATUS current
DESCRIPTION
"A collection of apsStatusTable objects providing status
information applicable to all linear APS groups."
::= { apsGroups 5 }
apsChanGeneral OBJECT-GROUP
OBJECTS
{
apsChanConfigIfIndex,
apsChanConfigRowStatus,
apsChanConfigStorageType,
apsChanStatusCurrent,
apsChanStatusSignalDegrades,
apsChanStatusSignalFailures,
apsChanStatusSwitchovers,
apsChanStatusLastSwitchover,
apsChanStatusSwitchoverSeconds,
apsChanStatusDiscontinuityTime
}
STATUS current
DESCRIPTION
"A collection of channel objects providing information
applicable to all linear APS channels."
::= { apsGroups 6 }
apsChanOneToN OBJECT-GROUP
OBJECTS
{
apsChanConfigPriority
}
STATUS current
DESCRIPTION
"The apsChanConfigTable object that provides information which
is only applicable to groups implementing the linear APS 1:n
architecture."
::= { apsGroups 7 }
apsTotalsGroup OBJECT-GROUP
OBJECTS
{
apsConfigGroups,
apsChanLTEs
}
STATUS current
DESCRIPTION
"A collection of objects providing optional counts of configured
APS groups and SONET LTE interfaces."
::= { apsGroups 8 }
apsMapGroup OBJECT-GROUP
OBJECTS
{
apsMapGroupName,
apsMapChanNumber
}
STATUS current
DESCRIPTION
"A collection of apsMapTable objects providing a mapping
from sonet(39) InterfaceIndex to group name and channel
number for assigned APS channels and a list of unassigned
sonet(39) interfaces."
::= { apsGroups 9 }
apsEventGroup NOTIFICATION-GROUP
NOTIFICATIONS {apsEventSwitchover, apsEventModeMismatch,
apsEventChannelMismatch, apsEventPSBF,
apsEventFEPLF }
STATUS current
DESCRIPTION
"A collection of SONET linear APS notifications."
::= { apsGroups 10 }
END