| cApsConfigName |
.1.3.6.1.4.1.9.10.71.1.1.2.1.1 |
|
A textual name for the APS group.
|
| cApsConfigRowStatus |
.1.3.6.1.4.1.9.10.71.1.1.2.1.2 |
|
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 cApsChanConfigEntry 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
cApsConfigMode, cApsConfigRevert,
cApsConfigDirection, cApsConfigExtraTraffic,
cApsConfigSdBerThreshold, cApsConfigSfBerThreshold,
and cApsConfigWaitToRestore. Also, associated
cApsChanConfigTable objects may be added,
deleted and modified.
|
| cApsConfigMode |
.1.3.6.1.4.1.9.10.71.1.1.2.1.3 |
|
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,
cApsConfigDirection 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, cApsConfigDirection must
be set to bidirectional whenever onePlusOneOptimized
is set.
This object may not be modified if the associated
cApsConfigRowStatus object is equal to active(1).
|
| cApsConfigRevert |
.1.3.6.1.4.1.9.10.71.1.1.2.1.4 |
|
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, cApsConfigRevert must
be set to revertive if cApsConfigMode is set
to oneToN.
Switching may optionally be revertive with the 1+1
architecture.
This object may not be modified if the associated
cApsConfigRowStatus object is equal to active(1).
|
| cApsConfigDirection |
.1.3.6.1.4.1.9.10.71.1.1.2.1.5 |
|
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
cApsConfigRowStatus object is equal to active(1).
|
| cApsConfigExtraTraffic |
.1.3.6.1.4.1.9.10.71.1.1.2.1.6 |
|
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
cApsConfigRowStatus object is equal to active(1).
|
| cApsConfigSdBerThreshold |
.1.3.6.1.4.1.9.10.71.1.1.2.1.7 |
|
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
cApsConfigRowStatus object is equal to active(1).
|
| cApsConfigSfBerThreshold |
.1.3.6.1.4.1.9.10.71.1.1.2.1.8 |
|
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
cApsConfigRowStatus object is equal to active(1).
|
| cApsConfigWaitToRestore |
.1.3.6.1.4.1.9.10.71.1.1.2.1.9 |
|
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
cApsConfigRowStatus object is equal to active(1).
|
| cApsConfigCreationTime |
.1.3.6.1.4.1.9.10.71.1.1.2.1.10 |
|
The value of sysUpTime at the time the row was
created
|
| cApsStatusK1K2Rcv |
.1.3.6.1.4.1.9.10.71.1.2.1.1 |
|
The current value of the K1 and K2 bytes received on
the protection channel.
|
| cApsStatusK1K2Trans |
.1.3.6.1.4.1.9.10.71.1.2.1.2 |
|
The current value of the K1 and K2 bytes transmitted
on the protection channel.
|
| cApsStatusCurrent |
.1.3.6.1.4.1.9.10.71.1.2.1.3 |
|
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.
|
| cApsStatusModeMismatches |
.1.3.6.1.4.1.9.10.71.1.2.1.4 |
|
A count of Mode Mismatch conditions.
|
| cApsStatusChannelMismatches |
.1.3.6.1.4.1.9.10.71.1.2.1.5 |
|
A count of Channel Mismatch conditions.
|
| cApsStatusPSBFs |
.1.3.6.1.4.1.9.10.71.1.2.1.6 |
|
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.
|
| cApsStatusFEPLFs |
.1.3.6.1.4.1.9.10.71.1.2.1.7 |
|
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.
|
| cApsStatusSwitchedChannel |
.1.3.6.1.4.1.9.10.71.1.2.1.8 |
|
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.
|
| cApsMapIfIndex |
.1.3.6.1.4.1.9.10.71.1.3.2.1.1 |
|
The Interface Index assigned to a SONET LTE. This is
an interface with ifType sonet(39).
|
| cApsMapGroupName |
.1.3.6.1.4.1.9.10.71.1.3.2.1.2 |
|
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 cApsChanConfigIfIndex is set
equal to an instance of cApsMapIfIndex,
cApsMapGroupName is set equal to the corresponding
value of cApsChanConfigGroupName.
If the cApsMapIfIndex ceases to be equal to an
instance of cApsChanConfigIfIndex, either because
of a change in the value of cApsChanConfigIfIndex,
or because of row deletion in the CApsChanConfigTable,
cApsMapGroupName is set to a string of size 0.
|
| cApsMapChanNumber |
.1.3.6.1.4.1.9.10.71.1.3.2.1.3 |
|
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 cApsChanConfigIfIndex is set equal
to an instance of cApsMapIfIndex, cApsMapChanNumber
is set equal to the corresponding value of
cApsChanConfigNumber.
If the cApsMapIfIndex ceases to be equal to an instance
of cApsChanConfigIfIndex, either because of a change in
the value of cApsChanConfigIfIndex, or because of row
deletion in the CApsChanConfigTable, cApsMapChanNumber
is set to -1.
|
| cApsChanConfigGroupName |
.1.3.6.1.4.1.9.10.71.1.4.1.1 |
|
A textual name for the APS group which this channel is
included in.
|
| cApsChanConfigNumber |
.1.3.6.1.4.1.9.10.71.1.4.1.2 |
|
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.
|
| cApsChanConfigRowStatus |
.1.3.6.1.4.1.9.10.71.1.4.1.3 |
|
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 cApsChanConfigTable may not be created,
deleted, set to notInService or otherwise modified if the
cApsChanConfigGroupName value is equal to an
cApsConfigName value and the associated
cApsConfigRowStatus object is equal to active. However,
if the cApsConfigRowStatus 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 cApsChanConfigGroupName
value that is not equal to any existing instance of
cApsConfigName. 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 cApsMapGroupName will be set to a string of size
0 and the cApsMapChanNumber will be set to -1. The
channel status entry will also be deleted by this action.
cApsChanConfigNumber 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
cApsConfigRowStatus field to active the
cApsChanConfigNumber values of all entries with
equal cApsChanConfigGroupName 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 cApsConfigRowStatus set attempt.
|
| cApsChanConfigIfIndex |
.1.3.6.1.4.1.9.10.71.1.4.1.4 |
|
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
cApsChanConfigIfIndex. In other words, a particular
SONET LTE can only be configured n one APS group.
This object cannot be set if the
cApsChanConfigGroupName instance associated with this
row is equal to an instance of cApsConfigName and the
corresponding cApsConfigRowStatus 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 cApsConfigRowStatus value is equal to notInService.
|
| cApsChanConfigPriority |
.1.3.6.1.4.1.9.10.71.1.4.1.5 |
|
The priority of the channel.
This field deterimines 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
cApsChanConfigGroupName instance associated with
this row is equal to an instance of cApsConfigName
and the corresponding cApsConfigRowStatus 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 cApsConfigRowStatus value is
equal to notInService.
|
| cApsCommandSwitch |
.1.3.6.1.4.1.9.10.71.1.5.1.1 |
|
Allows the initiation of an APS switch command on the
APS group and channel specified by the index values.
If the APS switch command cannot be executed because an
equal or higer priority request is in effect, an error
is returned.
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
cApsStatusK1K2Rcv and cApsStatusK1K2Trans.
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.
|
| cApsCommandControl |
.1.3.6.1.4.1.9.10.71.1.5.1.2 |
|
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.
|
| cApsChanStatusCurrent |
.1.3.6.1.4.1.9.10.71.1.6.1.1 |
|
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.
|
| cApsChanStatusSignalDegrades |
.1.3.6.1.4.1.9.10.71.1.6.1.2 |
|
A count of Signal Degrade conditions. This
condition occurs when the line Bit Error Rate
exceeds the currently configured threshold.
|
| cApsChanStatusSignalFailures |
.1.3.6.1.4.1.9.10.71.1.6.1.3 |
|
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 10^-3 is detected on an
incoming line.
|
| cApsChanStatusSwitchovers |
.1.3.6.1.4.1.9.10.71.1.6.1.4 |
|
The number of times this channel has switched to the
protection line. When queried with index value
cApsChanConfigNumber set to 0, which is the
protection line, this object will return 0.
|
| cApsChanStatusLastSwitchover |
.1.3.6.1.4.1.9.10.71.1.6.1.5 |
|
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, or this channel
is the protection line, the value 0 will be returned.
|
| cApsChanStatusSwitchoverSeconds |
.1.3.6.1.4.1.9.10.71.1.6.1.6 |
|
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.
|
