MIB
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... accessed via a virtual information store, termed
the Management Information Base or MIB. MIB objects are generally
accessed through the Simple Network Management Protocol ...
... the Management Information Base or MIB. MIB objects are generally
accessed through the Simple Network Management Protocol (SNMP ...
... Simple Network Management Protocol (SNMP).
Objects in the MIB are defined using the mechanisms defined in the
Structure of Management Information (SMI ...
... Structure of Management Information (SMI). This memo specifies a MIB
module that is compliant to the SMIv2, which is described in STD 58,
...
... probe.
For this reason, this MIB allows a probe to be configured to
perform diagnostics and to collect statistics continuously, even
...
... Structure of MIB ...
... This document also contains AUGMENTing tables to extend some tables
defined in the RMON MIB [RFC2819]. These extensions include the
following:
...
... 1) Adding the DroppedFrames and LastCreateTime conventions to each
table defined in the RMON MIB.
2) Augmenting the RMON ...
...
Many functional groups in this MIB have one or more tables in which
to set up control parameters, and one or more data tables in which to
place the results of the operation. The control tables are typically
...
... resources used by the associated data.
Some objects in this MIB provide a mechanism to execute an action on
the remote monitoring device. These objects may execute an action as
a result of a change in the state ...
... a result of a change in the state of the object. For those objects
in this MIB, a request to set an object to the same value as it
currently holds would thus cause no action to occur.
...
... The OwnerString mechanism is provided for each management station-
initiated function in this MIB to avoid these conflicts and to help
resolve them when they occur. Each function has a label identifying
the initiator ...
... RowStatus Textual
Convention [RFC2579]. In this MIB, rows are often added to a table
in order to configure a function. This configuration usually
involves parameters that control the operation of the function. The
...
... agent must check these parameters to make sure they are appropriate
given the restrictions defined in this MIB, as well as any
implementation-specific restrictions, such as lack of resources. The
agent ...
... row.
Some tables in this MIB reference other tables within this MIB. When
creating or deleting entries in these tables, it is generally
...
...
Some tables in this MIB reference other tables within this MIB. When
creating or deleting entries in these tables, it is generally
allowable for dangling references to exist. There is no defined
...
...
There are many cases in this MIB where the term "Application Level"
is used to describe a class of protocols or a capability. This does
...
...
Packets with link-level errors are not counted anywhere in this MIB
because most variables in this MIB require the decoding of the
...
... link-level errors are not counted anywhere in this MIB
because most variables in this MIB require the decoding of the
contents of the packet, which is meaningless if there is a link-level
...
... implication of this is that packets in which errors are detected at
the network-layer are not counted anywhere in this MIB, while packets
with errors detected at the transport layer may have network-layer ...
... hostControlEntry, matrixControlEntry, filterEntry,
channelEntry FROM RMON-MIB
tokenRing, tokenRingMLStatsEntry, tokenRingPStatsEntry,
...
... email to: <rmonmib-request@ietf.org> "
DESCRIPTION
"The MIB module for managing remote monitoring
device implementations. This MIB module
...
... "The MIB module for managing remote monitoring
device implementations. This MIB module
extends the architecture introduced in the original
...
... Internet Society (2006). This version of
this MIB module is part of RFC 4502draft; see the RFC itself for
full legal notices."
...
... version of the
RMON2 MIB (published as RFC 2021(-> 4502draft)) by adding 2 new
enumerations to the nlMatrixTopNControlRateBase object and
...
... These new enumerations support the creation of high-capacity
topN reports in the High Capacity RMON MIB [RFC3273].
...
... Finally, the TimeFilter TC has been updated to encourage agent
implementations that allow a MIB walk to behave well even when
performed by an application that is not aware of the special
TimeFilter semantics ...
... "Added new enumerations to support the High-Capacity RMON
MIB as defined in RFC 3273prop. Also fixed some typos and
added clarifications."
...
... a time-filtered table is more efficient if the agent
stops a MIB walk operation by skipping over rows with a
TimeFilter index value higher than the value in the received
...
... agent implement a time-filtered table
in this manner to improve performance and avoid a MIB walk
getting stuck in time-filtered tables. It is, however, still
acceptable for an agent ...
...
The following tables show the values that would be returned for
MIB walk operations with various TimeFilter values, done at
different times. An application issues a retrieval request at
time 'T', with a TimeFilter value, 'N' (typically set to a lower
...
... sysUpTime at the last polling cycle).
The following values would be returned in a MIB walk of
fooCounts.N if T equals '0' and N equals '0':
...
... sysUpTime equals '0'.
The following values would be returned in a full (traditional) MIB
walk of fooCounts.N if T equals '3' and N equals '0':
fooCounts.N.I Value
...
... and 'fooCounts.2.3' are duplicates and can be suppressed by the
agent in a MIB walk.
The following values would be returned in a full (traditional)
...
...
The following values would be returned in a full (traditional)
MIB walk of fooCounts.N if T equals '6' and N equals '3':
fooCounts.N.I Value
...
... 'fooCounts.6.1' are duplicates and can be suppressed by the
agent in a MIB walk.
The following values would be returned in a full (traditional)
...
...
The following values would be returned in a full (traditional)
MIB walk of fooCounts.N if T equals '9' and N equals '6':
fooCounts.N.I Value
...
... 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 ...
... 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
...
... 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 data of associated usrHistoryControlEntries. Each
-- entry represents the value of a single MIB instance
-- during a specific sampling interval (or the rate of
...
... "A list of parameters that set up a group of user-defined
MIB objects to be sampled periodically (called a
bucket-group).
...
... 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 }
...
... STATUS current
DESCRIPTION
"The number of MIB objects to be collected
in the portion of usrHistoryTable associated with this
usrHistoryControlEntry.
...
... STATUS current
DESCRIPTION
"A list of MIB instances to be sampled periodically.
Entries in this table are created ...
... "An index used to uniquely identify an entry in the
usrHistoryObject table. Each such entry defines a
MIB instance to be collected periodically."
::= { usrHistoryObjectEntry 1 }
...
... SNMP access control is articulated entirely in terms
of the contents of MIB views, no access control mechanism
exists that can restrict the value of this object to identify
...
... access control mechanism
exists that can restrict the value of this object to identify
only those objects that exist in a particular MIB view.
Because there is thus no acceptable means of restricting the
read access that could be obtained through the user history
...
... During a set operation, if the supplied variable name is not
available in the selected MIB view, a badValue error must be
returned.
...
... and usrHistoryAbsValue adjusted as necessary.
If the MIB instance could not be accessed during the sampling
interval, then this object will have a value of zero, and the
...
... the associated instance of usrHistoryAbsValue.
If the MIB instance could not be accessed during the sampling
interval, then 'valueNotAvailable(1)' will be returned.
...
... DESCRIPTION
"An indication of the RMON MIB groups supported
on at least one interface by this probe ...
... "The file name to be downloaded from the TFTP server when a
download is next requested via this MIB. This value is set to
the zero-length string when no file name has been specified.
...
... TFTP server that contains the boot
image to load when a download is next requested via this MIB.
This value is set to '0.0.0.0' when no IP address has been
...
... -- entries that have the same trapDestCommunity as the eventCommunity
-- (as defined by RMON MIB), as long as no access control mechanism
-- (e.g., VACM ...
... This entry is associated with any eventEntries in the RMON
MIB whose value of eventCommunity is equal to the value of
this object. Every time an associated event entry sends a
trap due to an event, that trap will be sent to each
...
... requirements for conformance to
the RMON2 MIB with Application-Layer Enhancements."
MODULE -- this module
...
... DESCRIPTION
"The usrHistoryGroup provides user-defined collection of
historical information from MIB objects on the probe."
::= { rmon2MIBGroups 8 }
...
... MODULE-COMPLIANCE macro because it is 'grandfathered' from
more recent MIB review rules that would require it."
::= { rmon2MIBGroups 10 }
...
... MODULE-COMPLIANCE macro because it is 'grandfathered' from
more recent MIB review rules that would require it."
::= { rmon2MIBGroups 13 }
...
... the access-control for the sampled variable, the agent MUST ensure
that usrHistoryObjectVariable is not writable in MIB views that don't
already have read access to the entire agent. Because the access
control ...
...
There are a number of management objects defined in this MIB that
have a MAX-ACCESS clause of read-write ...
... network operations.
Some of the readable objects in this MIB module (i.e., objects with a
MAX-ACCESS other than not-accessible) may be considered sensitive or
...
... SNMP entity giving access to an
instance of this MIB module is properly configured to give access to
the objects only to those principals (users) that have legitimate
...
... time-filtered instance, after the agent has determined that the
instance is within the specified MIB view, the following conceptual
test is applied to determine if the object is returned or filtered:
...
... deployment experience, it has been determined that a
time-filtered table is more efficient to use if the agent stops a MIB
walk operation after one time-filtered entry. That is, a GetNext or
GetBulk operation will provide one pass through a given table (i.e.,
...
... agent
(initialized to zero) for an arbitrary group of time-filtered MIB
objects that are gathered together in the same PDU. Each time the
Get* PDU ...
... # fooCounts.3600);
# (changed >= 3600)
# return lexigraphically-next two MIB instances
...
... version obsoletes the proposed-standard version of the RMON2 MIB
(published as RFC 2021(-> 4502draft)) by adding 2 new enumerations to the
...
... Finally, the TimeFilter TC has been updated to encourage agent
implementations that allow a MIB walk to behave well even when
performed by an application that is not aware of the special
TimeFilter semantics ...
... McCloghrie, K. and F. Kastenholz, "The Interfaces Group MIB", RFC 2863draft, June 2000. ...
... Waldbusser, S., "Token Ring Extensions to the Remote Network Monitoring MIB", RFC 1513hist, September 1993. ...