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-- *****************************************************************
-- CISCO-BERT-MIB
--
-- Bit Error Rate Test (BERT) MIB for DS3, DS1/E1, DS0 interfaces
--
-- April 2000, Zaryab Munir
--
-- Copyright (c) 2000, 2003 by Cisco Systems, Inc.
-- All rights reserved.
-- *****************************************************************
CISCO-BERT-MIB DEFINITIONS ::= BEGIN
IMPORTS
MODULE-IDENTITY,
OBJECT-TYPE,
Counter32,
Counter64,
Integer32
FROM SNMPv2-SMI
TEXTUAL-CONVENTION,
DateAndTime,
RowStatus
FROM SNMPv2-TC
MODULE-COMPLIANCE,
OBJECT-GROUP FROM SNMPv2-CONF
ifIndex FROM IF-MIB
ciscoMgmt FROM CISCO-SMI;
ciscoBertMIB MODULE-IDENTITY
LAST-UPDATED "200205050000Z"
ORGANIZATION "Cisco Systems, Inc."
CONTACT-INFO
"Cisco Systems
Customer Service
Postal: 170 W Tasman Drive
San Jose, CA 95134
USA
Tel: +1 800 553-NETS
E-mail: cs-wanatm@cisco.com"
DESCRIPTION
"The MIB module to configure and perform Bit Error Rate Testing
(BERT) on DS3, DS1/E1 and DS0/DS0Bundle interfaces.
Bit error rate testing and loopbacks are used by carriers
and ISPs to aid in problem resolution as well as for
testing the quality of T1/E1 or T3/E3 links. Tests can
be run on a full T1/E1 line or can be run on a fractional
T1/E1 such as single DS0 or a group of DS0s. By using BERT,
poor quality links could be detected early.
BERT enables the user to test the quality of links by directly
comparing a pseudo-random or repetitive test pattern with
an identical locally generated test pattern.
Terminology:
BERT: Bit Error Rate Testing (BERT) involves generating a known
data sequence into a transmission device and examining the
received sequence at the same device or a remote device
for errors.
The use of BERT results in the computation of a bit error rate
(BER), which is
bits received in error
BER = ------------------------
number of bits transmitted
To perform a bit error rate test using one tester,
communications equipment must be placed into a loop-back
mode of operation and the BERT test can then be used to
determine if equipment is operating correctly.
When running a BERT, system expects to receive the same pattern
that is transmitting. To help ensure this, two common options
are available.
- Use loopback somewhere in the link or network. This can
be accomplished by putting the line in loop up mode;
send the pattern; find the BER.
- configure remote testing equipment to transmit the Same BERT
pattern at the same time.
Typical Sequence in Performing Bit Error Rate Test by the
device is given below:
- Loop Up:
The tester issues special code to force the far end (CPE) into
loopback. Upon recognition of the loop activation request code
the CPE enters a loop mode in which it returns the port data
back to the tester.
- Send Pattern:
After a loop has been established, the tester can generate
test pattern toward the CPE and monitor the incoming data.
- Loop Down:
The tester issues a special code (loop down command) to
release the far end from the loopback.
Terminology Used:
CPE - Customer's premise equipment. At CPE, following equipment
is required:
DSU
CSU
Usually DSU and CSU functions are incorporated by vendors
into a single CSU/DSU unit.
OCU - Office Channel Unit
CSU - Channel Service Unit
A CSU contains the last signal regenerator on the line
before DTE and mechanism to put the line into loopback
for testing from the central office.
DSU - Data Service Unit. "
REVISION "200205050000Z"
DESCRIPTION
"Add new object cbDs0BitMap to cbConfTable."
REVISION "200109090000Z"
DESCRIPTION
"Add new enum smartJackInband(18) for object cbLoopbackCode"
REVISION "200012080000Z"
DESCRIPTION
"Initial version of this MIB module"
::= { ciscoMgmt 185 }
-- Textual Convention
BertPatterns ::= TEXTUAL-CONVENTION
STATUS current
DESCRIPTION
"The patterns that can be configured to perform BER Test
on an interface.
Bit error measurements are widely used to assess the
performance of a digital transmission equipment. Precise
error measurement requires that the bit pattern transmitted
is known before hand. During BER testing a known pattern is
transmitted on a interface. The pattern received on the
receive side is checked for bit errors. In order to measure
the performance of digital line under real condition
this patterns should also simulate real traffic as closely
as possible. There are two categories of test patterns that
can be generated by a BERT equipment: repetitive and
pseudo-random. The former test patterns are zeroes or ones
or alternating zeroes and ones; the latter patterns are
exponential numbers and conform to CCITT/ITU O.151, O.153.
There are different patterns for different interface speeds.
This object allows the user to configure this BERT patterns.
The supported values are :
Repetitive Patterns
allZeros(1): All Zeroes(Continuous spaces). This is
repeating pattern of zeros(...000...).
The use of this pattern is to test and verify
that the ones density policing mechanism is
functioning properly. This pattern must be
used in circuits optioned for B8ZS.
allOnes(2): All Ones(Continuous Marks). This is repeating
pattern of ones(...1111...). This provides
testing of maximum power level requirements.
The all one pattern test causes the repeater
to consume the maximum amount of power.
If there is insufficient DC span power then the
repeater may begin to fail.
Typically this pattern is used for a simple
continuity check. It may also be used to detect
the presence of unwanted loop in the network.
altOneZero(3): Alternate one/zero pattern(..1010..). This
pattern produces a 50% ones density. It is
used to stress the repeater's DC power
consumption.
doubleAltOnesZeros(4): Double alternate one/zero(..1100..).
oneIn4(5): This pattern is standard loop up remote code.
Typically it is used when the loop up remote test
fails to place the remote system into loopback.
oneIn8(6): This is an eight bit pattern which contains
single one.
This pattern is used primarily to test timing(clock)
recovery and may be used framed or unframed for that
purpose.
This pattern is used to verify frame synchronization
by providing the minimum acceptable pulse density.
oneIn16(7): N repetitive pattern, 1 in 16.
threeIn24(8): This is a 24 bit pattern which contains 3 ones.
The largest string of consecutive zeros is fifteen.
This pattern is used primarily to test timing(clock)
recovery and may be used framed or unframed for that
purpose. This pattern covers both the minimum ones
density and the maximum number of consecutive zeros.
inbandLoopup(9): D4/SF Loopback activate.
Valid only for T1 line.
inbandLoopdown(10): D4/SF Loopback deactivate.
Valid only for T1 line.
Pseudo-Random Patterns
twoE3MinusOne(11): This is 2^3-1 (7 bits in length) pattern.
twoE4MinusOne(12): This is 2^4-1 (15 bits in length) pattern.
twoE5MinusOne(13): This is 2^5-1 (31 bits in length) pattern.
twoE6MinusOne(14): This is 2^6-1 (63 bits in length) pattern.
twoE7MinusOne(15): This is 2^7-1 (127 bits in length) pattern.
twoE7MinusOneFT1Loopup(16): 2^7-1 Fractional
T1 Loop Back Activate.
twoE7MinusOneFT1Loopdown(17): 2^7-1 Fractional
T1 Loop Back Deactivate.
twoE9MinusOne(18): This is 2^9-1(511 bits in length)
pattern specified in ITU O.153.
It has the maximum of 8(non-inverted)
sequential zeros and 9 sequential ones.
twoE10MinusOne(19): This is the 2^10-1(1023 bits in length).
twoE11MinusOne(20): This is the 2^11-1(2047 bits in length)
pattern specified in ITU O.152, O.153.
It has a maximum of 10(non-inverted)
sequential zeros and 11 sequential ones.
This pattern is primarily intended for
error measurements at bit rates of 64kbit/s
and N*64 kbit/s.
twoE15MinusOne(21): This is the 2^15-1(32767 bit length)
pattern as specified in ITU O.151.
It has the maximum of 15(inverted)
sequential zeros.
This sequence is primarily intended for
error and jitter measurements at bit
rates of 1544, 2048, 6312, 8448, 32064 and
44736 kbit/s.
twoE17MinusOne(22): This the 2^17-1(131071 bits in length).
twoE18MinusOne(23): This the 2^18-1(262144 bits in length).
twoE20MinusOne(24): This the 2^20-1(1048575 bits in length)
pattern specified in ITU O.153.It has
the maximum of 19(non-inverted) sequential
zeros. This pattern is primarily intended
for error measurements at bit rates up to
73kbit/s. This pattern stresses the
equalization and timing recovery circuitry
of line repeaters.
twoE20MinusOneQRSS(25): This is the 2^20-1(1048575 bits)
pattern specified in ITU O.151.
This is the pattern with Zero
suppression(Quasi Random Signal Source
This provides the simulation of
live data.
This is primarily intended for
error and jitter measurements
at bit rates of 34368, 139264 kbit/s.
twoE21MinusOne(26): This is the 2^21-1(2097151 bit length).
twoE22MinusOne(27): This is the 2^22-1(4194303 bit length).
twoE23MinusOne(28): This is the 2^23-1(8388607 bit length)
pattern specified in ITU O.151.
Highest stress pseudo-random pattern, with
a maximum of 23 (inverted) sequential zeros
and 23 sequential ones.
This sequence is primarily intended for
error and jitter measurements at bit rates
of 34368 and 139264 kbit/s.
twoE25MinusOne(29): This is the 2^21-1 (33554431 bit length).
twoE28MinusOne(30): This is the 2^28-1 (268435455 bit length).
twoE29MinusOne(31): Highest stress pseudo random pattern,
with a maximum of 29 (inverted) sequential
zeros Specified in ITU 0.150.
twoE31MinusOne(32): It has maximum 31 sequential zeros.
DDS is a special service for transmitting
data in a DS-1 frame.
dds1pattern(33): This sends 100 bytes of all 1s and
then 100 bytes of all 0s to test the stress
clocking of the network.
dds2pattern(34): This sends 100 bytes of a 0x7e pattern
and then 100 bytes of all 0s. This pattern simulates
bit oriented protocol flags for DDS testing.
dds3pattern(35): This pattern sends continuous
bytes of a 0x46 pattern. It is used to simulate
a typical DDS signal.
dds4pattern(36): This pattern sends continuous bytes
of a 0x02 pattern. It is used to stress DDS
clock recovery.
dds5pattern(37): This pattern sends continuous bytes
of a 0x02 pattern.
It is used to stress DDS clock recovery.
userPattern(38): This is any user defined pattern. "
REFERENCE
"CCITT/ITU O.150, O.151, O.152, O.153, O.161 Standards."
SYNTAX INTEGER {
allZeros(1),
allOnes(2),
altOneZero(3),
doubleAltOnesZeros(4),
oneIn4(5),
oneIn8(6),
oneIn16(7),
threeIn24(8),
inbandLoopBackActivate(9),
inbandLoopBackDeactivate(10),
twoE3MinusOne(11),
twoE4MinusOne(12),
twoE5MinusOne(13),
twoE6MinusOne(14),
twoE7MinusOne(15),
twoE7MinusOneFT1Loopup(16),
twoE7MinusOneFT1Loopdown(17),
twoE9MinusOne(18),
twoE10MinusOne(19),
twoE11MinusOne(20),
twoE15MinusOne(21),
twoE17MinusOne(22),
twoE18MinusOne(23),
twoE20MinusOne(24),
twoE20MinusOneQRSS(25),
twoE21MinusOne(26),
twoE22MinusOne(27),
twoE23MinusOne(28),
twoE25MinusOne(29),
twoE28MinusOne(30),
twoE29MinusOne(31),
twoE31MinusOne(32),
dds1pattern (33),
dds2pattern (34),
dds3pattern (35),
dds4pattern (36),
dds5pattern (37),
userPattern(38)
}
ciscoBertMIBObjects OBJECT IDENTIFIER ::= { ciscoBertMIB 1 }
ciscoBertConfig OBJECT IDENTIFIER ::= { ciscoBertMIBObjects 1 }
cbConfTable OBJECT-TYPE
SYNTAX SEQUENCE OF CbConfEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"This table contains configuration, control and status parameters
for performing Bit Error Rate Test (BERT) on an interface.
When cbRowStatus is 'active', ifOperStatus will be set to 'testing'."
::= { ciscoBertConfig 1 }
cbConfEntry OBJECT-TYPE
SYNTAX CbConfEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"An entry in the BERT configuration table.
An entry is created for each interface running BERT by NMS.
The ifIndex refers to a unique value of an interface
in the ifTable on which BERT is being run.
The BERT is started or stopped as by-product of creating
and deleting entries in the cbConfTable."
INDEX { ifIndex }
::= { cbConfTable 1 }
CbConfEntry ::=
SEQUENCE {
cbTestPattern BertPatterns,
cbUserPattern OCTET STRING,
cbBertTxPatternInv INTEGER,
cbBertRxPatternInv INTEGER,
cbLoopback INTEGER,
cbLoopbackCode INTEGER,
cbSingleBitErrorInsert INTEGER,
cbErrorInsertionRate INTEGER,
cbDuration Integer32,
cbOperStatus INTEGER,
cbFailedReason INTEGER,
cbStartDateAndTime DateAndTime,
cbDS0DPCodeIteration Integer32,
cbRowStatus RowStatus,
cbDs0BitMap BITS
}
cbTestPattern OBJECT-TYPE
SYNTAX BertPatterns
MAX-ACCESS read-create
STATUS current
DESCRIPTION
"The BERT pattern to be sent and expected to be received.
An implementation may choose to support only selected patterns.
In some implementations, this object can not be modified when
the BERT is running, i.e cbRowStatus is active(1)."
::= { cbConfEntry 1 }
cbUserPattern OBJECT-TYPE
SYNTAX OCTET STRING (SIZE(1..4))
MAX-ACCESS read-create
STATUS current
DESCRIPTION
"The object used for configuring the user defined pattern
for BERT. This is the fixed repeating BERT pattern sent
and expected to be received when the cbTestPattern object is
set to 'userPattern'. The maximum length of this pattern
is 32 bits. Depending on the hardware, the patterns are
transmitted with least significant first or most
significant bit, until pattern length is reached.
This object can not be modified when the BERT is running,
i.e cbRowStatus is active(1)."
::= { cbConfEntry 2 }
cbBertTxPatternInv OBJECT-TYPE
SYNTAX INTEGER {
notInverted(1),
inverted(2)
}
MAX-ACCESS read-create
STATUS current
DESCRIPTION
"This controls inversion of the transmit BERT pattern.
Possible values are :
notInverted(1): Pattern is transmitted normally.
inverted(2): Each Mark is replaced by Space and
vice versa.
For predefined BERT patterns, the value for this Object
may not be modified. An implementation may choose to
ignore the value of this object, for BERT patterns other
than 'userPattern'. When the value is ignored, the
object contains the value chosen by the underlying hardware.
This object can not be modified when the BERT is running
i.e cbRowStatus is active(1)."
DEFVAL { notInverted }
::= { cbConfEntry 3 }
cbBertRxPatternInv OBJECT-TYPE
SYNTAX INTEGER {
notInverted(1),
inverted(2)
}
MAX-ACCESS read-create
STATUS current
DESCRIPTION
"This controls inversion of the received BERT pattern.
Possible values are :
notInverted(1) : Pattern received is not inverted.
inverted(2) : each Mark is replaced by Space and
vice versa.
When set to inverted(1), the received data is inverted
before being processed by the pattern detector.
For predefined BERT patterns, the value for this object
may not be modified. An implementation may choose to
ignore the value of this object, for BERT patterns other
than 'userPattern'. When the value is ignored, the
object contains the value chosen by the underlying
hardware.
This object can not be modified when the BERT is running
i.e cbRowStatus is active(1)."
DEFVAL { notInverted }
::= { cbConfEntry 4 }
cbLoopback OBJECT-TYPE
SYNTAX INTEGER {
farEndLineLoopback(1),
remoteLineLoopback(2),
localLoopback(3),
farEndPayloadLoopback(4),
remotePayloadLoopback(5),
noLoopback(6)
}
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"This object specifies the type of loopback established.
Possible values are:
farEndLineLoopback(1): This loopback occurs at the CPE upon
receiving a special code from the
device which initiates the loopback.
Upon receiving the loop activation request
code, the CPE enters a Line loop mode in which it
returns the entire line back to the initiator.
The CPE will continue to return the data
back to the initiator until it receives
loopback deactivation request code.
remoteLineLoopback(3): This loopback is established
at the Near-end.
In this loopback the entire line is looped back to the
Far-end with a) bit-sequence integrity maintained,
b) no change in framing, and c) no removal of bi-
polar violations.
localLoopback(3): This is also known as metallic loopback.
This loopback is used for checking the
internal circuitry of the T3/E3, T1/E1 device.
Only for physical lines.
farEndPayloadLoopback(4): This loopback occurs at the
CPE upon receiving a special code from the
device which initiates the loopback.
Upon receiving the loop activation request
code, CPE enters a Payload loop mode in which it
returns the Payload of the received data back
to the initiator.
The CPE will continue to return the data
back to the initiator until it receives
loopback deactivation request code.
remotePayloadLoopback(5): This loopback is established
at the Near-end.
In this loopback the signal that is returned to the
Far-end consists of the payload of the received signal
(with bit sequence integrity retained) and newly
generated framing information.
noLoopback(6): There is no loopback established
on the device. "
::= { cbConfEntry 5 }
cbLoopbackCode OBJECT-TYPE
SYNTAX INTEGER {
nonLatchOCUwith1(1),
nonLatchOCUwithout1(2),
nonLatchCSU(3),
nonLatchDSU(4),
latchDS0Drop(5),
latchDS0Line(6),
latchOCU(7),
latchCSU(8),
latchDSU(9),
latchHL96(10),
v54PN127Polynomial(11),
lineInband(12),
lineLoopbackESF(13),
localLoopback(14),
noLoopbackCode(15),
payloadLoopbackESF(16),
lineLoopbackFEAC(17),
smartJackInband(18)
}
MAX-ACCESS read-create
STATUS current
DESCRIPTION
"This object specifies the type of the end device and
the type of loopback code used.
Latching Loopback: Latching Loopback is appropriate with
64 kbit/s DS0-A rate. Once invoked by a specific activation
sequence, it typically remains in effect until released by
another specific code sequence.
non-latching loopback: Non latching activation involves
continuous transmission of loopback command codes, followed
by test data interspersed with command codes.
The possible values are:
Note: The values 1 to 14 are for farEndLoopback.
cbLoopback object is farEndLoopback(1) when these values are
selected.
nonLatchOCUwithOneDevice(1): Non-latching OCU with one device.
nonLatchOCUwithChainDevices(2): Non-latching OCU with chain
of devices.
nonLatchCSU(3) : Non-latching CSU.
nonLatchDSU(4) : Non-latching DSU.
latchDS0Drop(5) : Latching DS0-DP Drop device.
latchDS0Line(6) : Latching DS0-DP line device.
latchOCU(7) : Latching OCU.
latchCSU(8) : Latching CSU.
latchDSU(9) : Latching DSU.
latchHL96(10) : Latching HL96 device.
v54PN127Polynomial(11) : For fractional T1.
This loopback is based on
CCITT-ITU V.54 and is being
used to place either a single
DS0 or a DS0 Bundle(N*DS0) in
loopback mode.
lineInband(12) : This is used for loopback the
entire T1 line at the far end.
This is a repeating 5-bit
pattern(00001).
lineLoopbackESF(13): This loopback result in a full
1.544Mbit/s loopback of the
incoming signal at the far end.
The loopback is activated (latched) and
deactivated by a bit sequence defined in
ANSI T1.403 - 1995.
This corresponds to Facility Data Link
(FDL)loopbacks on a T1 channel.
This causes a repeating,16-bit ESF data
link code word(00001110 11111111) to
the remote end requesting that it
enter into a network line loopback.
localLoopback(14): This is for loop back at the
near end (facility end).
This is used to test the internals of the
device, the interface loops back the
outbound traffic from SRM to SM, back to
the SRM, hence testing the internal device
connectivity.
noLoopbackCode(15): This is for situations, where
no loopback is needed for bert tests.
One example is manual loop back at near or
far end.
payloadLoopbackESF(16): This loopback results
in 1.536 Mbit/s loopback of the payload
of the incoming signal at the far end.
The loopback is activated (latched) and
deactivated by a bit sequence defined in
ANSI T1.403 - 1995.
This corresponds to Facility Data Link
(FDL)loopbacks on a T1 channel.
This causes a repeating, 16-bit ESF data
link code word(00010100 11111111) to
the remote end requesting that it
enter into a network payload loopback.
lineLoopbackFEAC(17): Use the FEAC channel to
establish a line loopback.
smartJackInband(18): Inband loop code for SmartJack (a Telco owned
device that represents the demarcation point of T1 service),
Ref: TR-TSY-000312."
::= { cbConfEntry 6 }
cbSingleBitErrorInsert OBJECT-TYPE
SYNTAX INTEGER {
noError(1),
insertError(2)
}
MAX-ACCESS read-create
STATUS current
DESCRIPTION
"This object is used for inserting single bit error in the
transmitted BERT pattern.
The possible values are:
noError(1) : do not insert single bit errors
insertError(2) : insert single bit errors. "
DEFVAL { noError }
::= { cbConfEntry 7 }
cbErrorInsertionRate OBJECT-TYPE
SYNTAX INTEGER {
noError(1),
oneInTen(2),
oneInHundred(3),
oneInThousand(4),
oneInTenThousand(5),
oneInHundredThousand(6),
oneInMillion(7),
oneInTenMillion(8)
}
MAX-ACCESS read-create
STATUS current
DESCRIPTION
"This object is used for injecting continuous errors into
transmitted BERT pattern. The errors are inserted in a BERT
pattern sent, in order to do sanity check on receive interface
in the event that no bit errors are detected. Injecting errors
allows users to stress communication links and to check the
functionality of error monitoring equipment along the path.
Once set to send continuous errors, errors will be inserted
at the configured rate until set to noError(1).
The possible values are :
noError(1) : no bit errors are inserted.
oneInTen(2) : insert bit errors at the rate of 1 bit
error per 10 bits (10^-1) transmitted.
oneInHundred(3) : insert bit errors at the rate of 1 bit
error per 100 bits (10^-2) transmitted.
oneInThousand(4): insert bit errors at the rate of 1 bit
error per 1000 bits (10^-3) transmitted.
oneIn10Thousand(5): insert bit errors at the rate of 1 bit
error per 10000 (10^-4) bits transmitted.
oneInHundredThousand(6): insert bit errors at the rate of 1 bit
error per 100000 bits (10^-5) transmitted.
oneInMillion(7): insert bit errors at the rate of 1 bit
error per 1000000 bits (10^-6) transmitted.
oneInTenMillion(8): insert bit errors at the rate of 1 bit
error per 10,000,000 (10^-7)bits transmitted. "
DEFVAL { noError }
::= { cbConfEntry 8 }
cbDuration OBJECT-TYPE
SYNTAX Integer32 (1..86400)
UNITS "seconds"
MAX-ACCESS read-create
STATUS current
DESCRIPTION
"This object specifies the duration for which BERT is
to be run. "
::= { cbConfEntry 9 }
cbOperStatus OBJECT-TYPE
SYNTAX INTEGER {
success(1),
inSync(2),
outOfSync(3),
inLoopback(4),
clockOutOfSync(5),
bertFailed(6)
}
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"This object shows the status of BERT in the shelf.
The values for this object are valid only when
cbRowStatus contains active(1).
Possible values for this object:
success(1) : BERT is successfully completed.
inSync(2) : BERT is activated and receive side is
synchronized with the incoming sequence of patterns.
outOfSync(3) : BERT is activated, but receive is out
of synchronization with the incoming
sequence. Criteria for out of
synchronization state is defined in
ITU document O.150.
inLoopback(4): loopback establish or de-establish in
progress. The type of loopback can be
determined by cbLoopback.
clockOutOfSync(5): When the send and receive clocks are not
synchronized.
bertFailed(6): BERT failed. The cbFailedReason object
contains the reason for the failure."
::= { cbConfEntry 10 }
cbFailedReason OBJECT-TYPE
SYNTAX INTEGER {
aborted(1),
loopbackFailed(2),
interfaceStateChange(3),
processorModuleStateChange(4),
unknown(5)
}
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"This object contains the reason for the BERT failure.
This object gives the additional information when
cbOperStatus is set to bertFailed(6).
The possible values are :
aborted(1) : BERT test is completed as
a result of a user request.
loopbackFailed(2) : loop up operation failed.
interfaceStateChange(3) : interface State changed due to
module state change.
processorModuleStateChange(4) : Processor module
changed state.
unknown(5) : Failure Reason Unknown. "
::= { cbConfEntry 11 }
cbStartDateAndTime OBJECT-TYPE
SYNTAX DateAndTime
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The Date and Time when the last BERT testing is started
on the interface. This object is valid only when
cbRowStatus is active(1). "
::= { cbConfEntry 12 }
cbDS0DPCodeIteration OBJECT-TYPE
SYNTAX Integer32 (1..32)
MAX-ACCESS read-create
STATUS current
DESCRIPTION
"Valid only with cbLoopbackCode = latchDS0Drop.
DSP-OP devices can be cross connected in the central
office in a daisy chain. By this, the user has
capability to put any of the devices in the chain in
loopback mode. A value of 1 results in no iteration
and will cause the very first device in chain to go
into loop back. A value of 2 will result into one
iteration and will cause the second device to
go into loopback and so on. This tests the channels
across multiple devices connected in a chain. "
::= { cbConfEntry 13 }
cbRowStatus OBJECT-TYPE
SYNTAX RowStatus
MAX-ACCESS read-create
STATUS current
DESCRIPTION
"The status of this conceptual row. This object is used for
create or modify or deleting an entry from this table.
To create a row in this table, a manager must set this
object to either createAndGo(4) or createAndWait(5).
Until instances of all corresponding columns are appropriately
configured, the value of the corresponding instance of the
cbRowStatus is notReady(3).
An entry can be deleted by setting this object to destroy(6).
STARTING BERT: Two approaches:
1. set this object to createAndGo(4) with all the mandatory
objects set to valid values.
2. Set this object to createAndWait(4). Reading this object
at this stage returns notReady(3).
Set all the other required objects with valid values.
Set this object to active(1).
STOP/RESTART BERT:
The BERT can be stopped by setting this object to
notInService(2). After setting it to notInService(2),
some parameters can be modified and BERT can be started
by setting this object to active(1).
STOP BERT:
An entry can be deleted by setting this object
to destroy(6).
Deleting an entry stops the BERT test. "
::= { cbConfEntry 14 }
cbDs0BitMap OBJECT-TYPE
SYNTAX BITS {
dsZero1(0),
dsZero2(1),
dsZero3(2),
dsZero4(3),
dsZero5(4),
dsZero6(5),
dsZero7(6),
dsZero8(7),
dsZero9(8),
dsZero10(9),
dsZero11(10),
dsZero12(11),
dsZero13(12),
dsZero14(13),
dsZero15(14),
dsZero16(15),
dsZero17(16),
dsZero18(17),
dsZero19(18),
dsZero20(19),
dsZero21(20),
dsZero22(21),
dsZero23(22),
dsZero24(23), -- last bit for T1
dsZero25(24), -- remainder only for E1
dsZero26(25),
dsZero27(26),
dsZero28(27),
dsZero29(28),
dsZero30(29),
dsZero31(30) -- last bit for E1
}
MAX-ACCESS read-create
STATUS current
DESCRIPTION
"This object is only used IF the interface type is DS1
(ifType is 18 on ifTable).
This object is used to indicate which DS0 is involved
on the BERT.
The defualt value (DEFVAL) is valid and should be used
for implementation purposes. But the DEFVAL is commented
out due to known mib compiler problems associated with
DEFVAL clauses in objects using BITS SYNTAX.
"
-- DEFVAL { {dsZero1, dsZero2, dsZero3, dsZero4, dsZero5,
-- dsZero6, dsZero7, dsZero8, dsZero9, dsZero10,
-- dsZero11, dsZero12, dsZero13, dsZero14, dsZero15,
-- dsZero16, dsZero17, dsZero18, dsZero19, dsZero20,
-- dsZero21, dsZero22, dsZero23, dsZero24, dsZero25,
-- dsZero26, dsZero27, dsZero28, dsZero29, dsZero30,
-- dsZero31
-- } }
::= { cbConfEntry 15 }
-- --------------------------------------------------------------
-- Group ciscoBertStatsTable
--
-- --------------------------------------------------------------
cbStatsTable OBJECT-TYPE
SYNTAX SEQUENCE OF CbStatsEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"This table contains BERT related real time counters.
Counters in this table are reset to zero every time
BERT is started on this interface. "
::= { ciscoBertConfig 2 }
cbStatsEntry OBJECT-TYPE
SYNTAX CbStatsEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"Any entry in BERT statistic table. For each instances of
cbConfTable there will be an entry in the cbStatsTable. The
objects in this table are valid only if cbOperStatus is
inSync(2). "
INDEX { ifIndex }
::= { cbStatsTable 1 }
CbStatsEntry ::=
SEQUENCE {
cbTxBitCountLower Counter32,
cbTxBitCountUpper Counter32,
cbHCTxBitCounts Counter64,
cbRxBitCountLower Counter32,
cbRxBitCountUpper Counter32,
cbHCRxBitCounts Counter64,
cbRxBitErrCountLower Counter32,
cbRxBitErrCountUpper Counter32,
cbHCRxBitErrCounts Counter64,
cbSyncLossCounts Counter32,
cbPatternLossCounts Counter32,
cbFrameLossCounts Counter32,
cbESsCounts Counter32,
cbSESsCounts Counter32,
cbEFSsCounts Counter32,
cbErrorInjectCounts Counter32
}
cbTxBitCountLower OBJECT-TYPE
SYNTAX Counter32
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The total number of bits transmitted."
::= { cbStatsEntry 1 }
cbTxBitCountUpper OBJECT-TYPE
SYNTAX Counter32
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The number of times the associated cbTxBitCountLower object has
wrapped (i.e. restarted from zero)."
::= { cbStatsEntry 2 }
cbHCTxBitCounts OBJECT-TYPE
SYNTAX Counter64
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The total number of bits transmitted. This object is
a 64-bit version of cbTxBitCounts. "
::= { cbStatsEntry 3 }
cbRxBitCountLower OBJECT-TYPE
SYNTAX Counter32
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The total number of bits received. "
::= { cbStatsEntry 4 }
cbRxBitCountUpper OBJECT-TYPE
SYNTAX Counter32
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The number of times the associated cbRxBitCountLower counter has
wrapped (i.e. restarted from zero)."
::= { cbStatsEntry 5 }
cbHCRxBitCounts OBJECT-TYPE
SYNTAX Counter64
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The total number of bits received. This object is
64-bit version of cbRxBitCounts. "
::= { cbStatsEntry 6 }
cbRxBitErrCountLower OBJECT-TYPE
SYNTAX Counter32
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The total number of bit errors detected in the received
pattern. "
::= { cbStatsEntry 7 }
cbRxBitErrCountUpper OBJECT-TYPE
SYNTAX Counter32
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The number of times the associated cbRxBitErrCountLower counter has
wrapped (i.e. restarted from zero)."
::= { cbStatsEntry 8 }
cbHCRxBitErrCounts OBJECT-TYPE
SYNTAX Counter64
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The number of bit errors detected in the received pattern.
This is the 64-bit version of cbRxBitErrCounts. "
::= { cbStatsEntry 9 }
cbSyncLossCounts OBJECT-TYPE
SYNTAX Counter32
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"This is the count of number of times that synchronization has
been lost since the BERT was started or restarted. "
::= { cbStatsEntry 10 }
cbPatternLossCounts OBJECT-TYPE
SYNTAX Counter32
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The number of 1 second intervals during the BER test in
which pattern synchronization was not maintained for the
entire second. "
::= { cbStatsEntry 11 }
cbFrameLossCounts OBJECT-TYPE
SYNTAX Counter32
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The number of 1 second intervals during the BER test in
which frame synchronization was not maintained for the
entire second. "
::= { cbStatsEntry 12 }
cbESsCounts OBJECT-TYPE
SYNTAX Counter32
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"Number of 1 second interval during the BER test that at least
one bit error was detected in the received data pattern. "
::= { cbStatsEntry 13 }
cbSESsCounts OBJECT-TYPE
SYNTAX Counter32
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The number of 1 second intervals during the BER test that
the Bit Error Rate was greater than 10^-3. "
::= { cbStatsEntry 14 }
cbEFSsCounts OBJECT-TYPE
SYNTAX Counter32
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The number of 1 second intervals during the BER test that
there were not errors detected and pattern synchronization
was maintained. "
::= { cbStatsEntry 15 }
cbErrorInjectCounts OBJECT-TYPE
SYNTAX Counter32
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"This object contains the number of times error was injected."
::= { cbStatsEntry 16 }
-- conformance information
ciscoBertMIBConformance OBJECT IDENTIFIER ::= { ciscoBertMIB 8 }
ciscoBertMIBCompliances OBJECT IDENTIFIER ::=
{ ciscoBertMIBConformance 1 }
ciscoBertMIBGroups OBJECT IDENTIFIER ::=
{ ciscoBertMIBConformance 2 }
ciscoBertMIBCompliance MODULE-COMPLIANCE
STATUS current
DESCRIPTION
"The Compliance statement for cisco BERT management group."
MODULE -- this module
MANDATORY-GROUPS { ciscoBertConfigGroup,ciscoBertStatsGroup }
GROUP ciscoBertHCStatsGroup
DESCRIPTION
"Implementation of this group is mandatory
for SNMP v2/V3 agents."
GROUP ciscoBertLoopbackGroup
DESCRIPTION
"Implementation of this group is not mandatory when
the loopbacks need not be established automatically
for the devices involved in BERT. This group need
not be implemented if the loopback is established
manually."
GROUP ciscoBertConfigGroupDs1
DESCRIPTION
"Implementation of this group is not mandatory.
This group is needed only if there is special requirment
for BERT on DS1."
::= { ciscoBertMIBCompliances 1 }
-- units of conformance
ciscoBertConfigGroup OBJECT-GROUP
OBJECTS {
cbTestPattern,
cbUserPattern,
cbBertTxPatternInv,
cbBertRxPatternInv,
cbSingleBitErrorInsert,
cbErrorInsertionRate,
cbDuration,
cbOperStatus,
cbFailedReason,
cbStartDateAndTime,
cbDS0DPCodeIteration,
cbRowStatus
}
STATUS current
DESCRIPTION
"Collection of objects related to BERT Configuration and
BERT status."
::= { ciscoBertMIBGroups 1 }
ciscoBertLoopbackGroup OBJECT-GROUP
OBJECTS {
cbLoopback,
cbLoopbackCode
}
STATUS current
DESCRIPTION
"Collection of objects related to Loopback configuration
for the BERT."
::= { ciscoBertMIBGroups 2 }
ciscoBertStatsGroup OBJECT-GROUP
OBJECTS {
cbTxBitCountLower,
cbTxBitCountUpper,
cbRxBitCountLower,
cbRxBitCountUpper,
cbRxBitErrCountLower,
cbRxBitErrCountUpper,
cbSyncLossCounts,
cbPatternLossCounts,
cbFrameLossCounts,
cbESsCounts,
cbSESsCounts,
cbEFSsCounts,
cbErrorInjectCounts
}
STATUS current
DESCRIPTION
"Collection of objects related to BERT Statistics."
::= { ciscoBertMIBGroups 3 }
ciscoBertHCStatsGroup OBJECT-GROUP
OBJECTS {
cbHCTxBitCounts,
cbHCRxBitCounts,
cbHCRxBitErrCounts
}
STATUS current
DESCRIPTION
"Statistics objects which can hold Counter64 value."
::= { ciscoBertMIBGroups 4 }
ciscoBertConfigGroupDs1 OBJECT-GROUP
OBJECTS {
cbDs0BitMap
}
STATUS current
DESCRIPTION
"This group include objects only for DS1 Bert."
::= { ciscoBertMIBGroups 5 }
END
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