📄 rmon-mib.txt
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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 "The number of packets received during this sampling interval that were less than 64 octets long (excluding framing bits but including FCS octets) and were otherwise well formed." ::= { etherHistoryEntry 10 }etherHistoryOversizePkts OBJECT-TYPE SYNTAX Counter32 UNITS "Packets" MAX-ACCESS read-only STATUS current DESCRIPTION "The number of packets received during this sampling interval that were longer than 1518 octets (excluding framing bits but including FCS octets) but were otherwise well formed." ::= { etherHistoryEntry 11 }etherHistoryFragments OBJECT-TYPE SYNTAX Counter32 UNITS "Packets" MAX-ACCESS read-only STATUS current DESCRIPTION "The total number of packets received during this sampling interval that were less than 64 octets in length (excluding framing bits but including FCS octets) 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).
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