📄 rmon-mib.txt
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historyControl table. Each such entry defines a
set of samples at a particular interval for an
interface on the device."
::= { historyControlEntry 1 }
historyControlDataSource OBJECT-TYPE
SYNTAX OBJECT IDENTIFIER
MAX-ACCESS read-create
STATUS current
DESCRIPTION
"This object identifies the source of the data for
which historical data was collected and
placed in a media-specific table on behalf of this
historyControlEntry. This source can be any
interface on this device. In order to identify
a particular interface, this object shall identify
the instance of the ifIndex object, defined
in RFC 2233 [17], for the desired interface.
For example, if an entry were to receive data from
interface #1, this object would be set to ifIndex.1.
The statistics in this group reflect all packets
on the local network segment attached to the identified
interface.
An agent may or may not be able to tell if fundamental
changes to the media of the interface have occurred and
necessitate an invalidation of this entry. For example, a
hot-pluggable ethernet card could be pulled out and replaced
by a token-ring card. In such a case, if the agent has such
knowledge of the change, it is recommended that it
invalidate this entry.
This object may not be modified if the associated
historyControlStatus object is equal to valid(1)."
::= { historyControlEntry 2 }
historyControlBucketsRequested 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
media-specific table associated with this
historyControlEntry.
When this object is created or modified, the probe
should set historyControlBucketsGranted as closely to
this object as is possible for the particular probe
implementation and available resources."
DEFVAL { 50 }
::= { historyControlEntry 3 }
historyControlBucketsGranted 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 media-specific table associated with this
historyControlEntry.
When the associated historyControlBucketsRequested
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
historyControlBucketsRequested object.
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 media-specific table.
When the number of buckets reaches the value of
this object and a new bucket is to be added to the
media-specific table, the oldest bucket associated
with this historyControlEntry shall be deleted by
the agent so that the new bucket can be added.
When the value of this object changes to a value less
than the current value, entries are deleted
from the media-specific table associated with this
historyControlEntry. Enough of the oldest of these
entries shall be deleted by the agent so that their
number remains less than or equal to the new value of
this object.
When the value of this object changes to a value greater
than the current value, the number of associated media-
specific entries may be allowed to grow."
::= { historyControlEntry 4 }
historyControlInterval OBJECT-TYPE
SYNTAX Integer32 (1..3600)
UNITS "Seconds"
MAX-ACCESS read-create
STATUS current
DESCRIPTION
"The interval in seconds over which the data is
sampled for each bucket in the part of the
media-specific table associated with this
historyControlEntry. This interval can
be set to any number of seconds between 1 and
3600 (1 hour).
Because the counters in a bucket may overflow at their
maximum value with no indication, a prudent manager will
take into account the possibility of overflow in any of
the associated counters. It is important to consider the
minimum time in which any counter could overflow on a
particular media type and set the historyControlInterval
object to a value less than this interval. This is
typically most important for the 'octets' counter in any
media-specific table. For example, on an Ethernet
network, the etherHistoryOctets counter could overflow
in about one hour at the Ethernet's maximum
utilization.
This object may not be modified if the associated
historyControlStatus object is equal to valid(1)."
DEFVAL { 1800 }
::= { historyControlEntry 5 }
historyControlOwner 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."
::= { historyControlEntry 6 }
historyControlStatus OBJECT-TYPE
SYNTAX EntryStatus
MAX-ACCESS read-create
STATUS current
DESCRIPTION
"The status of this historyControl entry.
Each instance of the media-specific table associated
with this historyControlEntry will be deleted by the agent
if this historyControlEntry is not equal to valid(1)."
::= { historyControlEntry 7 }
-- The Ethernet History Group
-- Implementation of the Ethernet History group is optional.
-- Consult the MODULE-COMPLIANCE macro for the authoritative
-- conformance information for this MIB.
--
-- The Ethernet History group records periodic statistical samples
-- from a network and stores them for later retrieval.
-- Once samples are taken, their data is stored in an entry
-- in a media-specific table. Each such entry defines one
-- sample, and is associated with the historyControlEntry that
-- caused the sample to be taken. This group defines the
-- etherHistoryTable, for Ethernet networks.
--
etherHistoryTable OBJECT-TYPE
SYNTAX SEQUENCE OF EtherHistoryEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"A list of Ethernet history entries."
::= { history 2 }
etherHistoryEntry OBJECT-TYPE
SYNTAX EtherHistoryEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"An historical sample of Ethernet statistics on a particular
Ethernet interface. This sample is associated with the
historyControlEntry which set up the parameters for
a regular collection of these samples. As an example, an
instance of the etherHistoryPkts object might be named
etherHistoryPkts.2.89"
INDEX { etherHistoryIndex , etherHistorySampleIndex }
::= { etherHistoryTable 1 }
EtherHistoryEntry ::= SEQUENCE {
etherHistoryIndex Integer32,
etherHistorySampleIndex Integer32,
etherHistoryIntervalStart TimeTicks,
etherHistoryDropEvents Counter32,
etherHistoryOctets Counter32,
etherHistoryPkts Counter32,
etherHistoryBroadcastPkts Counter32,
etherHistoryMulticastPkts Counter32,
etherHistoryCRCAlignErrors Counter32,
etherHistoryUndersizePkts Counter32,
etherHistoryOversizePkts Counter32,
etherHistoryFragments Counter32,
etherHistoryJabbers Counter32,
etherHistoryCollisions Counter32,
etherHistoryUtilization Integer32
}
etherHistoryIndex OBJECT-TYPE
SYNTAX Integer32 (1..65535)
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The history of which this entry is a part. The
history identified by a particular value of this
index is the same history as identified
by the same value of historyControlIndex."
::= { etherHistoryEntry 1 }
etherHistorySampleIndex OBJECT-TYPE
SYNTAX Integer32 (1..2147483647)
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"An index that uniquely identifies the particular
sample this entry represents among all samples
associated with the same historyControlEntry.
This index starts at 1 and increases by one
as each new sample is taken."
::= { etherHistoryEntry 2 }
etherHistoryIntervalStart OBJECT-TYPE
SYNTAX TimeTicks
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The value of sysUpTime at the start of the interval
over which this sample was measured. If the probe
keeps track of the time of day, it should start
the first sample of the history at a time such that
when the next hour of the day begins, a sample is
started at that instant. Note that following this
rule may require the probe to delay collecting the
first sample of the history, as each sample must be
of the same interval. Also note that the sample which
is currently being collected is not accessible in this
table until the end of its interval."
::= { etherHistoryEntry 3 }
etherHistoryDropEvents OBJECT-TYPE
SYNTAX Counter32
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The total number of events in which packets
were dropped by the probe due to lack of resources
during this sampling interval. Note that this number
is not necessarily the number of packets dropped, it
is just the number of times this condition has been
detected."
::= { etherHistoryEntry 4 }
etherHistoryOctets OBJECT-TYPE
SYNTAX Counter32
UNITS "Octets"
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The total number of octets of data (including
those in bad packets) received on the
network (excluding framing bits but including
FCS octets)."
::= { etherHistoryEntry 5 }
etherHistoryPkts OBJECT-TYPE
SYNTAX Counter32
UNITS "Packets"
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The number of packets (including bad packets)
received during this sampling interval."
::= { etherHistoryEntry 6 }
etherHistoryBroadcastPkts OBJECT-TYPE
SYNTAX Counter32
UNITS "Packets"
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The number of good packets received during this
sampling interval that were directed to the
broadcast address."
::= { etherHistoryEntry 7 }
etherHistoryMulticastPkts OBJECT-TYPE
SYNTAX Counter32
UNITS "Packets"
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The number of good packets received during this
sampling interval that were directed to a
multicast address. Note that this number does not
include packets addressed to the broadcast address."
::= { etherHistoryEntry 8 }
etherHistoryCRCAlignErrors OBJECT-TYPE
SYNTAX Counter32
UNITS "Packets"
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The number of packets received during this
sampling interval that had a length (excluding
framing bits but including FCS octets) between
64 and 1518 octets, inclusive, but had either a bad Frame
Check Sequence (FCS) with an integral number of octets
(FCS Error) or a bad FCS with a non-integral number
of octets (Alignment Error)."
::= { etherHistoryEntry 9 }
etherHistoryUndersizePkts OBJECT-TYPE
SYNTAX Counter32
UNITS "Packets"
MAX-ACCESS read-only
STATUS current
DESCRIPTION
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