RFC2021 - Remote Network Monitoring Management Information B(3)

时间:2005-02-15 来源: 作者: 点击:
Note this doesn't count just those octets in the particular protocol frames, but includes the entire packet that contained the protocol." ::= { nlMatrixDSEntry 5 } nlMatrixDSCreateTime OBJECT-TYPE SY
  

Note this doesn't count just those octets in the particular
protocol frames, but includes the entire packet that contained
the protocol."
::= { nlMatrixDSEntry 5 }

nlMatrixDSCreateTime OBJECT-TYPE
SYNTAX LastCreateTime
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The value of sysUpTime when this entry was last activated.
This can be used by the management station to ensure that the
entry has not been deleted and recreated between polls."
::= { nlMatrixDSEntry 6 }

nlMatrixTopNControlTable OBJECT-TYPE
SYNTAX SEQUENCE OF NlMatrixTopNControlEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"A set of parameters that control the creation of a
report of the top N matrix entries according to
a selected metric."
::= { nlMatrix 4 }

nlMatrixTopNControlEntry OBJECT-TYPE
SYNTAX NlMatrixTopNControlEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"A conceptual row in the nlMatrixTopNControlTable.

An example of the indexing of this table is
nlMatrixTopNControlDuration.3"
INDEX { nlMatrixTopNControlIndex }
::= { nlMatrixTopNControlTable 1 }

NlMatrixTopNControlEntry ::= SEQUENCE {
nlMatrixTopNControlIndex Integer32,

nlMatrixTopNControlMatrixIndex Integer32,
nlMatrixTopNControlRateBase INTEGER,
nlMatrixTopNControlTimeRemaining Integer32,
nlMatrixTopNControlGeneratedReports Counter32,
nlMatrixTopNControlDuration Integer32,
nlMatrixTopNControlRequestedSize Integer32,
nlMatrixTopNControlGrantedSize Integer32,
nlMatrixTopNControlStartTime TimeStamp,
nlMatrixTopNControlOwner OwnerString,
nlMatrixTopNControlStatus RowStatus
}

nlMatrixTopNControlIndex OBJECT-TYPE
SYNTAX Integer32 (1..65535)
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"An index that uniquely identifies an entry
in the nlMatrixTopNControlTable. Each such
entry defines one top N report prepared for
one interface."
::= { nlMatrixTopNControlEntry 1 }

nlMatrixTopNControlMatrixIndex OBJECT-TYPE
SYNTAX Integer32 (1..65535)
MAX-ACCESS read-create
STATUS current
DESCRIPTION
"The nlMatrix[SD/DS] table for which a top N report will be
prepared on behalf of this entry. The nlMatrix[SD/DS] table
is identified by the value of the hlMatrixControlIndex
for that table - that value is used here to identify the
particular table.

This object may not be modified if the associated
nlMatrixTopNControlStatus object is equal to active(1)."
::= { nlMatrixTopNControlEntry 2 }

nlMatrixTopNControlRateBase OBJECT-TYPE
SYNTAX INTEGER {
nlMatrixTopNPkts(1),
nlMatrixTopNOctets(2)
}
MAX-ACCESS read-create
STATUS current
DESCRIPTION
"The variable for each nlMatrix[SD/DS] entry that the
nlMatrixTopNEntries are sorted by.

This object may not be modified if the associated
nlMatrixTopNControlStatus object is equal to active(1)."
::= { nlMatrixTopNControlEntry 3 }

nlMatrixTopNControlTimeRemaining OBJECT-TYPE
SYNTAX Integer32 (0..2147483647)
MAX-ACCESS read-create
STATUS current
DESCRIPTION
"The number of seconds left in the report currently
being collected. When this object is modified by
the management station, a new collection is started,
possibly aborting a currently running report. The
new value is used as the requested duration of this
report, and is immediately loaded into the associated
nlMatrixTopNControlDuration object.
When the report finishes, the probe will automatically
start another collection with the same initial value
of nlMatrixTopNControlTimeRemaining. Thus the management
station may simply read the resulting reports repeatedly,
checking the startTime and duration each time to ensure that a
report was not missed or that the report parameters were not
changed.

While the value of this object is non-zero, it decrements
by one per second until it reaches zero. At the time
that this object decrements to zero, the report is made
accessible in the nlMatrixTopNTable, overwriting any report
that may be there.

When this object is modified by the management station, any
associated entries in the nlMatrixTopNTable shall be deleted.

(Note that this is a different algorithm than the one used in
the hostTopNTable)."
DEFVAL { 1800 }
::= { nlMatrixTopNControlEntry 4 }

nlMatrixTopNControlGeneratedReports OBJECT-TYPE
SYNTAX Counter32
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The number of reports that have been generated by this entry."
::= { nlMatrixTopNControlEntry 5 }

nlMatrixTopNControlDuration OBJECT-TYPE
SYNTAX Integer32

MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The number of seconds that this report has collected
during the last sampling interval.

When the associated nlMatrixTopNControlTimeRemaining object is
set, this object shall be set by the probe to the
same value and shall not be modified until the next
time the nlMatrixTopNControlTimeRemaining is set.
This value shall be zero if no reports have been
requested for this nlMatrixTopNControlEntry."
::= { nlMatrixTopNControlEntry 6 }

nlMatrixTopNControlRequestedSize OBJECT-TYPE
SYNTAX Integer32 (0..2147483647)
MAX-ACCESS read-create
STATUS current
DESCRIPTION
"The maximum number of matrix entries requested for this report.

When this object is created or modified, the probe
should set nlMatrixTopNControlGrantedSize as closely to this
object as is possible for the particular probe
implementation and available resources."
DEFVAL { 150 }
::= { nlMatrixTopNControlEntry 7 }

nlMatrixTopNControlGrantedSize OBJECT-TYPE
SYNTAX Integer32 (0..2147483647)
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The maximum number of matrix entries in this report.

When the associated nlMatrixTopNControlRequestedSize object is
created or modified, the probe should set this
object as closely to the requested value as is
possible for the particular implementation and
available resources. The probe must not lower this
value except as a result of a set to the associated
nlMatrixTopNControlRequestedSize object.

If the value of nlMatrixTopNControlRateBase is equal to
nlMatrixTopNPkts, when the next topN report is generated,
matrix entries with the highest value of nlMatrixTopNPktRate
shall be placed in this table in decreasing order of this rate
until there is no more room or until there are no more

matrix entries.

If the value of nlMatrixTopNControlRateBase is equal to
nlMatrixTopNOctets, when the next topN report is generated,
matrix entries with the highest value of nlMatrixTopNOctetRate
shall be placed in this table in decreasing order of this rate
until there is no more room or until there are no more
matrix entries.

It is an implementation-specific matter how entries with the
same value of nlMatrixTopNPktRate or nlMatrixTopNOctetRate are
sorted. It is also an implementation-specific matter as to
whether or not zero-valued entries are available."
::= { nlMatrixTopNControlEntry 8 }

nlMatrixTopNControlStartTime OBJECT-TYPE
SYNTAX TimeStamp
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The value of sysUpTime when this top N report was
last started. In other words, this is the time that
the associated nlMatrixTopNControlTimeRemaining object was
modified to start the requested report or the time
the report was last automatically (re)started.

This object may be used by the management station to
determine if a report was missed or not."
::= { nlMatrixTopNControlEntry 9 }

nlMatrixTopNControlOwner OBJECT-TYPE
SYNTAX OwnerString
MAX-ACCESS read-create
STATUS current
DESCRIPTION
"The entity that configured this entry and is
therefore using the resources assigned to it."
::= { nlMatrixTopNControlEntry 10 }

nlMatrixTopNControlStatus OBJECT-TYPE
SYNTAX RowStatus
MAX-ACCESS read-create
STATUS current
DESCRIPTION
"The status of this nlMatrixTopNControlEntry.

An entry may not exist in the active state unless all
objects in the entry have an appropriate value.

If this object is not equal to active(1), all
associated entries in the nlMatrixTopNTable shall be deleted
by the agent."
::= { nlMatrixTopNControlEntry 11 }

nlMatrixTopNTable OBJECT-TYPE
SYNTAX SEQUENCE OF NlMatrixTopNEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"A set of statistics for those network layer matrix entries
that have counted the highest number of octets or packets."
::= { nlMatrix 5 }

nlMatrixTopNEntry OBJECT-TYPE
SYNTAX NlMatrixTopNEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"A conceptual row in the nlMatrixTopNTable.

The nlMatrixTopNControlIndex value in the index identifies the
nlMatrixTopNControlEntry on whose behalf this entry was
created.

An example of the indexing of this table is
nlMatrixTopNPktRate.3.10"
INDEX { nlMatrixTopNControlIndex, nlMatrixTopNIndex }
::= { nlMatrixTopNTable 1 }

NlMatrixTopNEntry ::= SEQUENCE {
nlMatrixTopNIndex Integer32,
nlMatrixTopNProtocolDirLocalIndex Integer32,
nlMatrixTopNSourceAddress OCTET STRING,
nlMatrixTopNDestAddress OCTET STRING,
nlMatrixTopNPktRate Gauge32,
nlMatrixTopNReversePktRate Gauge32,
nlMatrixTopNOctetRate Gauge32,
nlMatrixTopNReverseOctetRate Gauge32
}

nlMatrixTopNIndex OBJECT-TYPE
SYNTAX Integer32 (1..65535)
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"An index that uniquely identifies an entry in
the nlMatrixTopNTable among those in the same report.

This index is between 1 and N, where N is the
number of entries in this report.

If the value of nlMatrixTopNControlRateBase is equal to
nlMatrixTopNPkts, increasing values of nlMatrixTopNIndex shall
be assigned to entries with decreasing values of
nlMatrixTopNPktRate until index N is assigned or there are no
more nlMatrixTopNEntries.

If the value of nlMatrixTopNControlRateBase is equal to
nlMatrixTopNOctets, increasing values of nlMatrixTopNIndex
shall be assigned to entries with decreasing values of
nlMatrixTopNOctetRate until index N is assigned or there are
no more nlMatrixTopNEntries."
::= { nlMatrixTopNEntry 1 }

nlMatrixTopNProtocolDirLocalIndex OBJECT-TYPE
SYNTAX Integer32 (1..2147483647)
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The protocolDirLocalIndex of the network layer protocol of
this entry's network address."
::= { nlMatrixTopNEntry 2 }

nlMatrixTopNSourceAddress OBJECT-TYPE
SYNTAX OCTET STRING
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The network layer address of the source host in this
conversation.

This is represented as an octet string with
specific semantics and length as identified
by the associated nlMatrixTopNProtocolDirLocalIndex.

For example, if the protocolDirLocalIndex indicates an
encapsulation of ip, this object is encoded as a length
octet of 4, followed by the 4 octets of the ip address,
in network byte order."
::= { nlMatrixTopNEntry 3 }

nlMatrixTopNDestAddress OBJECT-TYPE
SYNTAX OCTET STRING
MAX-ACCESS read-only
STATUS current
DESCRIPTION

"The network layer address of the destination host in this
conversation.

This is represented as an octet string with
specific semantics and length as identified
by the associated nlMatrixTopNProtocolDirLocalIndex.

For example, if the nlMatrixTopNProtocolDirLocalIndex
indicates an encapsulation of ip, this object is encoded as a
length octet of 4, followed by the 4 octets of the ip address,
in network byte order."
::= { nlMatrixTopNEntry 4 }

nlMatrixTopNPktRate OBJECT-TYPE
SYNTAX Gauge32
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The number of packets seen from the source host
to the destination host during this sampling interval, counted
using the rules for counting the nlMatrixSDPkts object.
If the value of nlMatrixTopNControlRateBase is
nlMatrixTopNPkts, this variable will be used to sort this
report."
::= { nlMatrixTopNEntry 5 }

nlMatrixTopNReversePktRate OBJECT-TYPE
SYNTAX Gauge32
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The number of packets seen from the destination host to the
source host during this sampling interval, counted
using the rules for counting the nlMatrixSDPkts object (note
that the corresponding nlMatrixSDPkts object selected is the
one whose source address is equal to nlMatrixTopNDestAddress
and whose destination address is equal to
nlMatrixTopNSourceAddress.)

Note that if the value of nlMatrixTopNControlRateBase is equal
to nlMatrixTopNPkts, the sort of topN entries is based
entirely on nlMatrixTopNPktRate, and not on the value of this
object."
::= { nlMatrixTopNEntry 6 }

nlMatrixTopNOctetRate OBJECT-TYPE
SYNTAX Gauge32
MAX-ACCESS read-only

STATUS current
DESCRIPTION
"The number of octets seen from the source host
to the destination host during this sampling interval, counted
using the rules for counting the nlMatrixSDOctets object. If
the value of nlMatrixTopNControlRateBase is
nlMatrixTopNOctets, this variable will be used to sort this
report."
::= { nlMatrixTopNEntry 7 }

nlMatrixTopNReverseOctetRate OBJECT-TYPE
SYNTAX Gauge32
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The number of octets seen from the destination host to the
source host during this sampling interval, counted
using the rules for counting the nlMatrixDSOctets object (note
that the corresponding nlMatrixSDOctets object selected is the
one whose source address is equal to nlMatrixTopNDestAddress
and whose destination address is equal to
nlMatrixTopNSourceAddress.)

Note that if the value of nlMatrixTopNControlRateBase is equal
to nlMatrixTopNOctets, the sort of topN entries is based
entirely on nlMatrixTopNOctetRate, and not on the value of
this object."
::= { nlMatrixTopNEntry 8 }

-- Application Layer Functions
--
-- The application layer host, matrix, and matrixTopN functions report
-- on protocol usage at the network layer or higher. Note that the
-- use of the term application layer does not imply that only
-- application-layer protocols are counted, rather it means that
-- protocols up to and including the application layer are supported.

--
-- Application Layer Host Group
--
-- Counts the amount of traffic, by protocol, sent from and to each
-- network address discovered by the probe.
-- Implementation of this group requires implementation of the Network
-- Layer Host Group.

alHostTable OBJECT-TYPE
SYNTAX SEQUENCE OF AlHostEntry
MAX-ACCESS not-accessible

STATUS current
DESCRIPTION
"A collection of statistics for a particular protocol from a
particular network address that has been discovered on an
interface of this device.

The probe will populate this table for all protocols in the
protocol directory table whose value of
protocolDirHostConfig is equal to supportedOn(3), and
will delete any entries whose protocolDirEntry is deleted or
has a protocolDirHostConfig value of supportedOff(2).

The probe will add to this table all addresses
seen as the source or destination address in all packets with
no MAC errors, and will increment octet and packet counts in
the table for all packets with no MAC errors. Further,
entries will only be added to this table if their address
exists in the nlHostTable and will be deleted from this table
if their address is deleted from the nlHostTable."
::= { alHost 1 }

alHostEntry OBJECT-TYPE
SYNTAX AlHostEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"A conceptual row in the alHostTable.

The hlHostControlIndex value in the index identifies the
hlHostControlEntry on whose behalf this entry was created.
The first protocolDirLocalIndex value in the index identifies
the network layer protocol of the address.
The nlHostAddress value in the index identifies the network
layer address of this entry.
The second protocolDirLocalIndex value in the index identifies
the protocol that is counted by this entry.

An example of the indexing in this entry is
alHostOutPkts.1.783495.18.4.128.2.6.6.34"
INDEX { hlHostControlIndex, alHostTimeMark,
protocolDirLocalIndex, nlHostAddress,
protocolDirLocalIndex }
::= { alHostTable 1 }

AlHostEntry ::= SEQUENCE {
alHostTimeMark TimeFilter,
alHostInPkts ZeroBasedCounter32,
alHostOutPkts ZeroBasedCounter32,

alHostInOctets ZeroBasedCounter32,
alHostOutOctets ZeroBasedCounter32,
alHostCreateTime LastCreateTime
}

alHostTimeMark OBJECT-TYPE
SYNTAX TimeFilter
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"A TimeFilter for this entry. See the TimeFilter textual
convention to see how this works."
::= { alHostEntry 1 }

alHostInPkts OBJECT-TYPE
SYNTAX ZeroBasedCounter32
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The number of packets of this protocol type without errors
transmitted to this address since it was added to the
alHostTable. Note that this is the number of link-layer
packets, so if a single network-layer packet is fragmented
into several link-layer frames, this counter is incremented
several times."
::= { alHostEntry 2 }

alHostOutPkts OBJECT-TYPE
SYNTAX ZeroBasedCounter32
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The number of packets of this protocol type without errors
transmitted by this address since it was added to the
alHostTable. Note that this is the number of link-layer
packets, so if a single network-layer packet is fragmented
into several link-layer frames, this counter is incremented
several times."
::= { alHostEntry 3 }

alHostInOctets OBJECT-TYPE
SYNTAX ZeroBasedCounter32
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The number of octets transmitted to this address
of this protocol type since it was added to the
alHostTable (excluding framing bits but including

FCS octets), excluding those octets in packets that
contained errors.

Note this doesn't count just those octets in the particular
protocol frames, but includes the entire packet that contained
the protocol."
::= { alHostEntry 4 }

alHostOutOctets OBJECT-TYPE
SYNTAX ZeroBasedCounter32
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The number of octets transmitted by this address
of this protocol type since it was added to the
alHostTable (excluding framing bits but including
FCS octets), excluding those octets in packets that
contained errors.

Note this doesn't count just those octets in the particular
protocol frames, but includes the entire packet that contained
the protocol."
::= { alHostEntry 5 }

alHostCreateTime OBJECT-TYPE
SYNTAX LastCreateTime
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The value of sysUpTime when this entry was last activated.
This can be used by the management station to ensure that the
entry has not been deleted and recreated between polls."
::= { alHostEntry 6 }

--
-- Application Layer Matrix Group
--
-- Counts the amount of traffic, by protocol, sent between each pair
-- of network addresses discovered by the probe.
-- Implementation of this group requires implementation of the Network
-- Layer Matrix Group.

alMatrixSDTable OBJECT-TYPE
SYNTAX SEQUENCE OF AlMatrixSDEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"A list of application traffic matrix entries which collect

statistics for conversations of a particular protocol between
two network-level addresses. This table is indexed first by
the source address and then by the destination address to make
it convenient to collect all statistics from a particular
address.

The probe will populate this table for all protocols in the
protocol directory table whose value of
protocolDirMatrixConfig is equal to supportedOn(3), and
will delete any entries whose protocolDirEntry is deleted or
has a protocolDirMatrixConfig value of supportedOff(2).

The probe will add to this table all pairs of addresses for
all protocols seen in all packets with no MAC errors, and will
increment octet and packet counts in the table for all packets
with no MAC errors. Further, entries will only be added to
this table if their address pair exists in the nlMatrixSDTable
and will be deleted from this table if the address pair is
deleted from the nlMatrixSDTable."
::= { alMatrix 1 }

alMatrixSDEntry OBJECT-TYPE
SYNTAX AlMatrixSDEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"A conceptual row in the alMatrixSDTable.

The hlMatrixControlIndex value in the index identifies the
hlMatrixControlEntry on whose behalf this entry was created.
The first protocolDirLocalIndex value in the index identifies
the network layer protocol of the nlMatrixSDSourceAddress and
nlMatrixSDDestAddress.
The nlMatrixSDSourceAddress value in the index identifies the
network layer address of the source host in this conversation.
The nlMatrixSDDestAddress value in the index identifies the
network layer address of the destination host in this
conversation.
The second protocolDirLocalIndex value in the index identifies
the protocol that is counted by this entry.

An example of the indexing of this entry is
alMatrixSDPkts.1.783495.18.4.128.2.6.6.4.128.2.6.7.34"
INDEX { hlMatrixControlIndex, alMatrixSDTimeMark,
protocolDirLocalIndex,
nlMatrixSDSourceAddress, nlMatrixSDDestAddress,
protocolDirLocalIndex }
::= { alMatrixSDTable 1 }

AlMatrixSDEntry ::= SEQUENCE {
alMatrixSDTimeMark TimeFilter,
alMatrixSDPkts ZeroBasedCounter32,
alMatrixSDOctets ZeroBasedCounter32,
alMatrixSDCreateTime LastCreateTime
}

alMatrixSDTimeMark OBJECT-TYPE
SYNTAX TimeFilter
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"A TimeFilter for this entry. See the TimeFilter textual
convention to see how this works."
::= { alMatrixSDEntry 1 }

alMatrixSDPkts OBJECT-TYPE
SYNTAX ZeroBasedCounter32
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The number of packets of this protocol type without errors
transmitted from the source address to the destination address
since this entry was added to the alMatrixSDTable. Note that
this is the number of link-layer packets, so if a single
network-layer packet is fragmented into several link-layer
frames, this counter is incremented several times."
::= { alMatrixSDEntry 2 }

alMatrixSDOctets OBJECT-TYPE
SYNTAX ZeroBasedCounter32
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The number of octets in packets of this protocol type
transmitted from the source address to the destination address
since this entry was added to the alMatrixSDTable (excluding
framing bits but including FCS octets), excluding those octets
in packets that contained errors.

Note this doesn't count just those octets in the particular
protocol frames, but includes the entire packet that contained
the protocol."
::= { alMatrixSDEntry 3 }

alMatrixSDCreateTime OBJECT-TYPE
SYNTAX LastCreateTime
MAX-ACCESS read-only

STATUS current
DESCRIPTION
"The value of sysUpTime when this entry was last activated.
This can be used by the management station to ensure that the
entry has not been deleted and recreated between polls."
::= { alMatrixSDEntry 4 }

-- Traffic matrix tables from destination to source

alMatrixDSTable OBJECT-TYPE
SYNTAX SEQUENCE OF AlMatrixDSEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"A list of application traffic matrix entries which collect
statistics for conversations of a particular protocol between
two network-level addresses. This table is indexed first by
the destination address and then by the source address to make
it convenient to collect all statistics to a particular
address.

The probe will populate this table for all protocols in the
protocol directory table whose value of
protocolDirMatrixConfig is equal to supportedOn(3), and
will delete any entries whose protocolDirEntry is deleted or
has a protocolDirMatrixConfig value of supportedOff(2).

The probe will add to this table all pairs of addresses for
all protocols seen in all packets with no MAC errors, and will
increment octet and packet counts in the table for all packets
with no MAC errors. Further, entries will only be added to
this table if their address pair exists in the nlMatrixDSTable
and will be deleted from this table if the address pair is
deleted from the nlMatrixDSTable."
::= { alMatrix 2 }

alMatrixDSEntry OBJECT-TYPE
SYNTAX AlMatrixDSEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"A conceptual row in the alMatrixDSTable.

The hlMatrixControlIndex value in the index identifies the
hlMatrixControlEntry on whose behalf this entry was created.
The first protocolDirLocalIndex value in the index identifies
the network layer protocol of the alMatrixDSSourceAddress and
alMatrixDSDestAddress.

The nlMatrixDSDestAddress value in the index identifies the
network layer address of the destination host in this
conversation.
The nlMatrixDSSourceAddress value in the index identifies the
network layer address of the source host in this conversation.
The second protocolDirLocalIndex value in the index identifies
the protocol that is counted by this entry.

An example of the indexing of this entry is
alMatrixDSPkts.1.783495.18.4.128.2.6.7.4.128.2.6.6.34"
INDEX { hlMatrixControlIndex, alMatrixDSTimeMark,
protocolDirLocalIndex,
nlMatrixDSDestAddress, nlMatrixDSSourceAddress,
protocolDirLocalIndex }
::= { alMatrixDSTable 1 }

AlMatrixDSEntry ::= SEQUENCE {
alMatrixDSTimeMark TimeFilter,
alMatrixDSPkts ZeroBasedCounter32,
alMatrixDSOctets ZeroBasedCounter32,
alMatrixDSCreateTime LastCreateTime
}

alMatrixDSTimeMark OBJECT-TYPE
SYNTAX TimeFilter
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"A TimeFilter for this entry. See the TimeFilter textual
convention to see how this works."
::= { alMatrixDSEntry 1 }

alMatrixDSPkts OBJECT-TYPE
SYNTAX ZeroBasedCounter32
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The number of packets of this protocol type without errors
transmitted from the source address to the destination address
since this entry was added to the alMatrixDSTable. Note that
this is the number of link-layer packets, so if a single
network-layer packet is fragmented into several link-layer
frames, this counter is incremented several times."
::= { alMatrixDSEntry 2 }

alMatrixDSOctets OBJECT-TYPE
SYNTAX ZeroBasedCounter32
MAX-ACCESS read-only

STATUS current
DESCRIPTION
"The number of octets in packets of this protocol type
transmitted from the source address to the destination address
since this entry was added to the alMatrixDSTable (excluding
framing bits but including FCS octets), excluding those octets
in packets that contained errors.

Note this doesn't count just those octets in the particular
protocol frames, but includes the entire packet that contained
the protocol."
::= { alMatrixDSEntry 3 }

alMatrixDSCreateTime OBJECT-TYPE
SYNTAX LastCreateTime
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The value of sysUpTime when this entry was last activated.
This can be used by the management station to ensure that the
entry has not been deleted and recreated between polls."
::= { alMatrixDSEntry 4 }

alMatrixTopNControlTable OBJECT-TYPE
SYNTAX SEQUENCE OF AlMatrixTopNControlEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"A set of parameters that control the creation of a
report of the top N matrix entries according to
a selected metric."
::= { alMatrix 3 }

alMatrixTopNControlEntry OBJECT-TYPE
SYNTAX AlMatrixTopNControlEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"A conceptual row in the alMatrixTopNControlTable.

An example of the indexing of this table is
alMatrixTopNControlDuration.3"
INDEX { alMatrixTopNControlIndex }
::= { alMatrixTopNControlTable 1 }

AlMatrixTopNControlEntry ::= SEQUENCE {
alMatrixTopNControlIndex Integer32,
alMatrixTopNControlMatrixIndex Integer32,

alMatrixTopNControlRateBase INTEGER,
alMatrixTopNControlTimeRemaining Integer32,
alMatrixTopNControlGeneratedReports Counter32,
alMatrixTopNControlDuration Integer32,
alMatrixTopNControlRequestedSize Integer32,
alMatrixTopNControlGrantedSize Integer32,
alMatrixTopNControlStartTime TimeStamp,
alMatrixTopNControlOwner OwnerString,
alMatrixTopNControlStatus RowStatus
}

alMatrixTopNControlIndex OBJECT-TYPE
SYNTAX Integer32 (1..65535)
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"An index that uniquely identifies an entry
in the alMatrixTopNControlTable. Each such
entry defines one top N report prepared for
one interface."
::= { alMatrixTopNControlEntry 1 }

alMatrixTopNControlMatrixIndex OBJECT-TYPE
SYNTAX Integer32 (1..65535)
MAX-ACCESS read-create
STATUS current
DESCRIPTION
"The alMatrix[SD/DS] table for which a top N report will be
prepared on behalf of this entry. The alMatrix[SD/DS] table
is identified by the value of the hlMatrixControlIndex
for that table - that value is used here to identify the
particular table.

This object may not be modified if the associated
alMatrixTopNControlStatus object is equal to active(1)."
::= { alMatrixTopNControlEntry 2 }

alMatrixTopNControlRateBase OBJECT-TYPE
SYNTAX INTEGER {
alMatrixTopNTerminalsPkts(1),
alMatrixTopNTerminalsOctets(2),
alMatrixTopNAllPkts(3),
alMatrixTopNAllOctets(4)
}
MAX-ACCESS read-create
STATUS current
DESCRIPTION
"The variable for each alMatrix[SD/DS] entry that the

alMatrixTopNEntries are sorted by, as well as the
selector of the view of the matrix table that will be
used.

The values alMatrixTopNTerminalsPkts and
alMatrixTopNTerminalsOctets cause collection only from
protocols that have no child protocols that are counted. The
values alMatrixTopNAllPkts and alMatrixTopNAllOctets cause
collection from all alMatrix entries.

This object may not be modified if the associated
alMatrixTopNControlStatus object is equal to active(1)."
::= { alMatrixTopNControlEntry 3 }

alMatrixTopNControlTimeRemaining OBJECT-TYPE
SYNTAX Integer32 (0..2147483647)
MAX-ACCESS read-create
STATUS current
DESCRIPTION
"The number of seconds left in the report currently
being collected. When this object is modified by
the management station, a new collection is started,
possibly aborting a currently running report. The
new value is used as the requested duration of this
report, and is immediately loaded into the associated
alMatrixTopNControlDuration object.
When the report finishes, the probe will automatically
start another collection with the same initial value
of alMatrixTopNControlTimeRemaining. Thus the management
station may simply read the resulting reports repeatedly,
checking the startTime and duration each time to ensure that a
report was not missed or that the report parameters were not
changed.

While the value of this object is non-zero, it decrements
by one per second until it reaches zero. At the time
that this object decrements to zero, the report is made
accessible in the alMatrixTopNTable, overwriting any report
that may be there.

When this object is modified by the management station, any
associated entries in the alMatrixTopNTable shall be deleted.

(Note that this is a different algorithm than the one used in
the hostTopNTable)."
DEFVAL { 1800 }
::= { alMatrixTopNControlEntry 4 }

alMatrixTopNControlGeneratedReports OBJECT-TYPE
SYNTAX Counter32
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The number of reports that have been generated by this entry."
::= { alMatrixTopNControlEntry 5 }

alMatrixTopNControlDuration OBJECT-TYPE
SYNTAX Integer32
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The number of seconds that this report has collected
during the last sampling interval.

When the associated alMatrixTopNControlTimeRemaining object
is set, this object shall be set by the probe to the
same value and shall not be modified until the next
time the alMatrixTopNControlTimeRemaining is set.

This value shall be zero if no reports have been
requested for this alMatrixTopNControlEntry."
::= { alMatrixTopNControlEntry 6 }

alMatrixTopNControlRequestedSize OBJECT-TYPE
SYNTAX Integer32 (0..2147483647)
MAX-ACCESS read-create
STATUS current
DESCRIPTION
"The maximum number of matrix entries requested for this report.

When this object is created or modified, the probe
should set alMatrixTopNControlGrantedSize as closely to this
object as is possible for the particular probe
implementation and available resources."
DEFVAL { 150 }
::= { alMatrixTopNControlEntry 7 }

alMatrixTopNControlGrantedSize OBJECT-TYPE
SYNTAX Integer32 (0..2147483647)
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The maximum number of matrix entries in this report.

When the associated alMatrixTopNControlRequestedSize object
is created or modified, the probe should set this

object as closely to the requested value as is
possible for the particular implementation and
available resources. The probe must not lower this
value except as a result of a set to the associated
alMatrixTopNControlRequestedSize object.

If the value of alMatrixTopNControlRateBase is equal to
alMatrixTopNTerminalsPkts or alMatrixTopNAllPkts, when the
next topN report is generated, matrix entries with the highest
value of alMatrixTopNPktRate shall be placed in this table in
decreasing order of this rate until there is no more room or
until there are no more matrix entries.

If the value of alMatrixTopNControlRateBase is equal to
alMatrixTopNTerminalsOctets or alMatrixTopNAllOctets, when the
next topN report is generated, matrix entries with the highest
value of alMatrixTopNOctetRate shall be placed in this table
in decreasing order of this rate until there is no more room
or until there are no more matrix entries.

It is an implementation-specific matter how entries with the
same value of alMatrixTopNPktRate or alMatrixTopNOctetRate are
sorted. It is also an implementation-specific matter as to
whether or not zero-valued entries are available."
::= { alMatrixTopNControlEntry 8 }

alMatrixTopNControlStartTime OBJECT-TYPE
SYNTAX TimeStamp
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The value of sysUpTime when this top N report was
last started. In other words, this is the time that
the associated alMatrixTopNControlTimeRemaining object
was modified to start the requested report or the time
the report was last automatically (re)started.

This object may be used by the management station to
determine if a report was missed or not."
::= { alMatrixTopNControlEntry 9 }

alMatrixTopNControlOwner OBJECT-TYPE
SYNTAX OwnerString
MAX-ACCESS read-create
STATUS current
DESCRIPTION
"The entity that configured this entry and is
therefore using the resources assigned to it."

::= { alMatrixTopNControlEntry 10 }

alMatrixTopNControlStatus OBJECT-TYPE
SYNTAX RowStatus
MAX-ACCESS read-create
STATUS current
DESCRIPTION
"The status of this alMatrixTopNControlEntry.

An entry may not exist in the active state unless all
objects in the entry have an appropriate value.

If this object is not equal to active(1), all
associated entries in the alMatrixTopNTable shall be
deleted by the agent."
::= { alMatrixTopNControlEntry 11 }

alMatrixTopNTable OBJECT-TYPE
SYNTAX SEQUENCE OF AlMatrixTopNEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"A set of statistics for those application layer matrix
entries that have counted the highest number of octets or
packets."
::= { alMatrix 4 }

alMatrixTopNEntry OBJECT-TYPE
SYNTAX AlMatrixTopNEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"A conceptual row in the alMatrixTopNTable.

The alMatrixTopNControlIndex value in the index identifies
the alMatrixTopNControlEntry on whose behalf this entry was
created.

An example of the indexing of this table is
alMatrixTopNPktRate.3.10"
INDEX { alMatrixTopNControlIndex, alMatrixTopNIndex }
::= { alMatrixTopNTable 1 }

AlMatrixTopNEntry ::= SEQUENCE {
alMatrixTopNIndex Integer32,
alMatrixTopNProtocolDirLocalIndex Integer32,
alMatrixTopNSourceAddress OCTET STRING,
alMatrixTopNDestAddress OCTET STRING,

alMatrixTopNAppProtocolDirLocalIndex Integer32,
alMatrixTopNPktRate Gauge32,
alMatrixTopNReversePktRate Gauge32,
alMatrixTopNOctetRate Gauge32,
alMatrixTopNReverseOctetRate Gauge32
}

alMatrixTopNIndex OBJECT-TYPE
SYNTAX Integer32 (1..65535)
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"An index that uniquely identifies an entry in
the alMatrixTopNTable among those in the same report.
This index is between 1 and N, where N is the
number of entries in this report.

If the value of alMatrixTopNControlRateBase is equal to
alMatrixTopNTerminalsPkts or alMatrixTopNAllPkts, increasing
values of alMatrixTopNIndex shall be assigned to entries with
decreasing values of alMatrixTopNPktRate until index N is
assigned or there are no more alMatrixTopNEntries.

If the value of alMatrixTopNControlRateBase is equal to
alMatrixTopNTerminalsOctets or alMatrixTopNAllOctets,
increasing values of alMatrixTopNIndex shall be assigned to
entries with decreasing values of alMatrixTopNOctetRate until
index N is assigned or there are no more alMatrixTopNEntries."
::= { alMatrixTopNEntry 1 }

alMatrixTopNProtocolDirLocalIndex OBJECT-TYPE
SYNTAX Integer32 (1..2147483647)
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The protocolDirLocalIndex of the network layer protocol of
this entry's network address."
::= { alMatrixTopNEntry 2 }

alMatrixTopNSourceAddress OBJECT-TYPE
SYNTAX OCTET STRING
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The network layer address of the source host in this
conversation.
This is represented as an octet string with
specific semantics and length as identified

by the associated alMatrixTopNProtocolDirLocalIndex.

For example, if the alMatrixTopNProtocolDirLocalIndex
indicates an encapsulation of ip, this object is encoded as a
length octet of 4, followed by the 4 octets of the ip address,
in network byte order."
::= { alMatrixTopNEntry 3 }

alMatrixTopNDestAddress OBJECT-TYPE
SYNTAX OCTET STRING
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The network layer address of the destination host in this
conversation.

This is represented as an octet string with
specific semantics and length as identified
by the associated alMatrixTopNProtocolDirLocalIndex.

For example, if the alMatrixTopNProtocolDirLocalIndex
indicates an encapsulation of ip, this object is encoded as a
length octet of 4, followed by the 4 octets of the ip address,
in network byte order."
::= { alMatrixTopNEntry 4 }

alMatrixTopNAppProtocolDirLocalIndex OBJECT-TYPE
SYNTAX Integer32 (1..2147483647)
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The type of the protocol counted by this matrix entry."
::= { alMatrixTopNEntry 5 }

alMatrixTopNPktRate OBJECT-TYPE
SYNTAX Gauge32
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The number of packets seen of this protocol from the source
host to the destination host during this sampling interval,
counted using the rules for counting the alMatrixSDPkts
object.

If the value of alMatrixTopNControlRateBase is
alMatrixTopNTerminalsPkts or alMatrixTopNAllPkts, this
variable will be used to sort this report."
::= { alMatrixTopNEntry 6 }

alMatrixTopNReversePktRate OBJECT-TYPE
SYNTAX Gauge32
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The number of packets seen of this protocol from the
destination host to the source host during this sampling
interval, counted using the rules for counting the
alMatrixDSPkts object (note that the corresponding
alMatrixSDPkts object selected is the one whose source address
is equal to alMatrixTopNDestAddress and whose destination
address is equal to alMatrixTopNSourceAddress.)

Note that if the value of alMatrixTopNControlRateBase is equal
to alMatrixTopNTerminalsPkts or alMatrixTopNAllPkts, the sort
of topN entries is based entirely on alMatrixTopNPktRate, and
not on the value of this object."
::= { alMatrixTopNEntry 7 }

alMatrixTopNOctetRate OBJECT-TYPE
SYNTAX Gauge32
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The number of octets seen of this protocol from the source
host to the destination host during this sampling interval,
counted using the rules for counting the alMatrixSDOctets
object.

If the value of alMatrixTopNControlRateBase is
alMatrixTopNTerminalsOctets or alMatrixTopNAllOctets, this
variable will be used to sort this report."
::= { alMatrixTopNEntry 8 }

alMatrixTopNReverseOctetRate OBJECT-TYPE
SYNTAX Gauge32
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The number of octets seen of this protocol from the
destination host to the source host during this sampling
interval, counted using the rules for counting the
alMatrixDSOctets object (note that the corresponding
alMatrixSDOctets object selected is the one whose source
address is equal to alMatrixTopNDestAddress and whose
destination address is equal to alMatrixTopNSourceAddress.)

Note that if the value of alMatrixTopNControlRateBase is equal

to alMatrixTopNTerminalsOctets or alMatrixTopNAllOctets, the
sort of topN entries is based entirely on
alMatrixTopNOctetRate, and not on the value of this object."
::= { alMatrixTopNEntry 9 }

--
-- User History Collection Group (usrHistory)
--
-- The usrHistory group combines mechanisms seen in the alarm and
-- history groups to provide user-specified history collection,
-- utilizing two additional control tables and one additional data
-- table. This function has traditionally been done by NMS
-- applications, via periodic polling. The usrHistory group allows
-- this task to be offloaded to an RMON probe.
--
-- Data (an ASN.1 INTEGER based object) is collected in the same
-- manner as any history data table (e.g. etherHistoryTable) except
-- that the user specifies the MIB instances to be collected. Objects
-- are collected in bucket-groups, with the intent that all MIB
-- instances in the same bucket-group are collected as atomically as
-- possible by the RMON probe.
--
-- The usrHistoryControlTable is a one-dimensional read-create table.
-- Each row configures a collection of user history buckets, much
-- the same as a historyControlEntry, except that the creation of a
-- row in this table will cause one or more associated instances in
-- the usrHistoryObjectTable to be created. The user specifies the
-- number of bucket elements (rows in the usrHistoryObjectTable)
-- requested, as well as the number of buckets requested.
--
-- The usrHistoryObjectTable is a 2-d read-write table.
-- Each row configures a single MIB instance to be collected.
-- All rows with the same major index constitute a bucket-group.
--
-- The usrHistoryTable is a 3-d read-only table containing
-- the data of associated usrHistoryControlEntries. Each
-- entry represents the value of a single MIB instance
-- during a specific sampling interval (or the rate of
-- change during the interval).
--
-- A sample value is stored in two objects - an absolute value and
-- a status object. This allows numbers from -(2G-1) to +4G to be
-- stored. The status object also indicates whether a sample is
-- valid. This allows data collection to continue if periodic
-- retrieval of a particular instance fails for any reason.
--
-- Row Creation Order Relationships
--

-- The static nature of the usrHistoryObjectTable creates
-- some row creation/modification issues. The rows in this
-- table need to be set before the associated
-- usrHistoryControlEntry can be activated.
--
-- Note that the usrHistoryObject entries associated with a
-- particular usrHistoryControlEntry are not required to
-- be active before the control entry is activated. However,
-- the usrHistory data entries associated with an inactive
-- usrHistoryObject entry will be inactive (i.e.
-- usrHistoryValStatus == valueNotAvailable).
--

usrHistoryControlTable OBJECT-TYPE
SYNTAX SEQUENCE OF UsrHistoryControlEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"A list of data-collection configuration entries."
::= { usrHistory 1 }

usrHistoryControlEntry OBJECT-TYPE
SYNTAX UsrHistoryControlEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"A list of parameters that set up a group of user-defined
MIB objects to be sampled periodically (called a
bucket-group).

For example, an instance of usrHistoryControlInterval
might be named usrHistoryControlInterval.1"
INDEX { usrHistoryControlIndex }
::= { usrHistoryControlTable 1 }

UsrHistoryControlEntry ::= SEQUENCE {
usrHistoryControlIndex Integer32,
usrHistoryControlObjects Integer32,
usrHistoryControlBucketsRequested Integer32,
usrHistoryControlBucketsGranted Integer32,
usrHistoryControlInterval Integer32,
usrHistoryControlOwner OwnerString,
usrHistoryControlStatus RowStatus
}

usrHistoryControlIndex OBJECT-TYPE
SYNTAX Integer32 (1..65535)
MAX-ACCESS not-accessible

STATUS current
DESCRIPTION
"An index that uniquely identifies an entry in the
usrHistoryControlTable. Each such entry defines a
set of samples at a particular interval for a specified
set of MIB instances available from the managed system."
::= { usrHistoryControlEntry 1 }

usrHistoryControlObjects OBJECT-TYPE
SYNTAX Integer32 (1..65535)
MAX-ACCESS read-create
STATUS current
DESCRIPTION
"The number of MIB objects to be collected
in the portion of usrHistoryTable associated with this
usrHistoryControlEntry.

This object may not be modified if the associated instance
of usrHistoryControlStatus is equal to active(1)."
::= { usrHistoryControlEntry 2 }

usrHistoryControlBucketsRequested OBJECT-TYPE
SYNTAX Integer32 (1..65535)
MAX-ACCESS read-create
STATUS current
DESCRIPTION
"The requested number of discrete time intervals
over which data is to be saved in the part of the
usrHistoryTable associated with this usrHistoryControlEntry.

When this object is created or modified, the probe
should set usrHistoryControlBucketsGranted as closely to
this object as is possible for the particular probe
implementation and available resources."
DEFVAL { 50 }
::= { usrHistoryControlEntry 3 }

usrHistoryControlBucketsGranted OBJECT-TYPE
SYNTAX Integer32 (1..65535)
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The number of discrete sampling intervals
over which data shall be saved in the part of
the usrHistoryTable associated with this
usrHistoryControlEntry.

When the associated usrHistoryControlBucketsRequested

object is created or modified, the probe should set
this object as closely to the requested value as is
possible for the particular probe implementation and
available resources. The probe must not lower this
value except as a result of a modification to the associated
usrHistoryControlBucketsRequested object.

The associated usrHistoryControlBucketsRequested object
should be set before or at the same time as this object
to allow the probe to accurately estimate the resources
required for this usrHistoryControlEntry.

There will be times when the actual number of buckets
associated with this entry is less than the value of
this object. In this case, at the end of each sampling
interval, a new bucket will be added to the usrHistoryTable.

When the number of buckets reaches the value of this object
and a new bucket is to be added to the usrHistoryTable,
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