Internet Draft Distributed Management Event MIB 25 June 1999
Event MIB
25 June 1999
draft-ietf-disman-event-mib-07.txt
Bob Stewart
Cisco Systems, Inc.
bstewart@cisco.com
Status of this Memo
This document is an Internet-Draft and is in full conformance with all
provisions of Section 10 of RFC2026.
Internet-Drafts are working documents of the Internet Engineering Task
Force (IETF), its areas, and its working groups. Note that other groups
may also distribute working documents as Internet-Drafts.
Internet-Drafts are draft documents valid for a maximum of six months
and may be updated, replaced, or obsoleted by other documents at any
time. It is inappropriate to use Internet- Drafts as reference material
or to cite them other than as ``work in progress.''
The list of current Internet-Drafts can be accessed at
http://www.ietf.org/ietf/1id-abstracts.txt
The list of Internet-Draft Shadow Directories can be accessed at
http://www.ietf.org/shadow.html.
Distribution of this document is unlimited. Please send comments to the
Distributed Management Working Group, <disman@nexen.com>.
Copyright Notice
Copyright (C) The Internet Society (1999). All Rights Reserved.
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1. Abstract
This memo defines an experimental portion of the Management Information
Base (MIB) for use with network management protocols in the Internet
community. In particular, it describes managed objects used for
managing monitoring of MIB objects and taking action through events.
The key words "MUST", "MUST NOT", "REQUIRED", "SHALL", "SHALL NOT",
"SHOULD", "SHOULD NOT", "RECOMMENDED", "MAY", and "OPTIONAL" in this
document are to be interpreted as described in RFC 2119.
2. The SNMP Management Framework
The SNMP Management Framework presently consists of five major
components:
o An overall architecture, described in RFC 2571 [RFC2571].
o Mechanisms for describing and naming objects and events for the
purpose of management. The first version of this Structure of
Management Information (SMI) is called SMIv1 and described in
STD 16, RFC 1155 [RFC1155], STD 16, RFC 1212 [RFC1212] and RFC
1215 [RFC1215]. The second version, called SMIv2, is described
in STD 58, RFC 2578 [RFC2578], RFC 2579 [RFC2579] and RFC 2580
[RFC2580].
o Message protocols for transferring management information. The
first version of the SNMP message protocol is called SNMPv1 and
described in STD 15, RFC 1157 [RFC1157]. A second version of the
SNMP message protocol, which is not an Internet standards track
protocol, is called SNMPv2c and described in RFC 1901 [RFC1901]
and RFC 1906 [RFC1906]. The third version of the message
protocol is called SNMPv3 and described in RFC 1906 [RFC1906],
RFC 2572 [RFC2572] and RFC 2574 [RFC2574].
o Protocol operations for accessing management information. The
first set of protocol operations and associated PDU formats is
described in STD 15, RFC 1157 [RFC1157]. A second set of
protocol operations and associated PDU formats is described in
RFC 1905 [RFC1905].
o A set of fundamental applications described in RFC 2573
[RFC2573] and the view-based access control mechanism described
in RFC 2575 [RFC2575].
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A more detailed introduction to the current SNMP Management Framework
can be found in RFC 2570 [RFC2570].
Managed objects are accessed via a virtual information store, termed
the Management Information Base or MIB. Objects in the MIB are
defined using the mechanisms defined in the SMI.
This memo specifies a MIB module that is compliant to the SMIv2. A
MIB conforming to the SMIv1 can be produced through the appropriate
translations. The resulting translated MIB must be semantically
equivalent, except where objects or events are omitted because no
translation is possible (use of Counter64). Some machine readable
information in SMIv2 will be converted into textual descriptions in
SMIv1 during the translation process. However, this loss of machine
readable information is not considered to change the semantics of the
MIB.
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3. Overview
With network sizes well beyond the ability of people to management them
directly, automated, distributed management is vital. An important
aspect of such management is the ability of a system to monitor itself
or for some other system to monitor it.
The Event MIB provides the ability to monitor MIB objects on the local
system or on a remote system and take simple action when a trigger
condition is met.
The MIB is intended to suit either a relatively powerful manager or
mid-level manager, as well as a somewhat more limited self-managing
system.
4. Relationship to Other MIBs
The Event MIB is based on extensive experience with the RMON MIB
[RFC1757] and its alarm and event groups and is intended as a
replacement for those groups. The Event MIB calls "triggers" what the
RMON MIB called "alarms," but the concepts are the same. Event MIB
triggers maintain the RMON handling of thresholds and add the concept of
booleans. Event MIB events maintain the RMON concept of sending an SNMP
notification in response to a trigger and add the concept of setting a
MIB object.
The Event MIB is the successor and update to SNMPv2's Manager-to-Manager
MIB [RFC1451] which was declared Historic pending this work.
The Event MIB depends on the services of the SNMPv3 Management Target
and Notification MIBs [RFC2573].
The Event MIB is nicely complemented by the Distributed Management
Expression MIB [RFCExpressionMIB], which is the expected source of
boolean objects to monitor. Note that there is considerable overlap
between the wildcard and delta sample capabilities of the Event and
Expression MIBs. A carefully-planned implementation might well use
common code to provide the overlapping functions.
5. MIB Sections
The MIB has four sections: triggers, objects, events, and notifications.
Triggers define the conditions that lead to events. Events may cause
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notifications.
The trigger table lists what objects are to be monitored and how and
relates each trigger to an event. It has supplementary, companion
tables for additional objects that depend on the type of test done for
the trigger.
The objects table lists objects that can be added to notifications based
on the trigger, the trigger test type, or the event that resulted in the
notification.
The event table defines what happens when an event is triggered, sending
a notification, setting a MIB object or both. It has supplementary,
companion tables for additional objects that depend on the action taken.
82 The notification section defines a set of generic notifications to go
with the events and for Event MIB error handling, and it defines a set
of objects to put in those notifications.
6. Operation
The Event MIB is instrumentation for a distributed management
application that monitors MIB objects. In its simplest form this
application monitors individual, local MIB objects, just as an RMON
probe fulfills the functions implied by RMON's alarm and event
operation. Additionally the application can monitor remote objects and
wildcarded groups of objects.
Remote monitoring uses the tag service of the Management Target MIB to
select and access remote systems as an ordinary SNMP-based management
application. Local monitoring may be via a more intimate, local
interface which may, for example, bypass SNMP encoding but otherwise is
functionally identical to remote SNMP operation, including the
application of access control. A self-management only system may not
implement remote monitoring.
Wildcards indicate that the application should use a GetNext-type
operation to find the zero or more instances implied by a truncated
object identifier, just like an ordinary SNMP-based management
application. Each instance of a wildcard is treated as if it were a
separate entry, that is the instances of a wildcarded object are
independent of one another. For example, a wild-carded object may
trigger an event and result in the setting of another wildcarded object.
The instance that satisfied the trigger function is used to perform the
set function. All of this takes place independently of any additional
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instances that may fill the wildcard.
Error handling is by notification, which at first thought violates the
principle that notifications may be lost or become a crippling burden,
but the intent is that such error notifications be enabled only for the
diagnosis of problems indicated by error counters and if the
notifications are being lost they be directed to the log as described in
the Notification Log MIB [rfcNotificationLogMIB]. Note that this does
not mean the Notification Log MIB is required, since in fact
notifications usually are not lost, but that the Notification Log MIB
can be helpful with this as well as other MIBs that include
notifications.
Although like most MIBs this one has no explicit controls for the
persistance of the values set in configuring events, a robust, polite
implementation would certainly not force its managing applications to
reconfigure it whenever it resets.
Again, as with most MIBs, it is implementation specific how a system
provides and manages such persistance. To speculate, one could imagine,
for example, that persistance depended on the context in which the
expression was configured, or perhaps system-specific characteristics of
the expression's owner. Or perhaps everything in a MIB such as this
one, which is clearly aimed at persistant configuration, is
automatically part of a system's other persistant configuration.
7. Security
Security of Event MIB entries depends on SNMPv3 access control for the
entire MIB or for subsets based on entry owner names.
Security of monitored objects for remote access depends on the
Management Target MIB. Security for local access can depend on the
Management Target MIB or on recording appropriate security credentials
of the creator of an entry and using those to access the local objects.
These security credentials are the parameters necessary as inputs to
isAccessAllowed from the Architecture for Describing SNMP Management
Frameworks. When accessing local objects without using a local target
tag, the system must (conceptually) use isAccessAllowed to ensure that
it does not violate security.
To facilitate the provisioning of access control by a security
administrator for this MIB itself using the View-Based Access Control
Model (VACM) defined in RFC 2275 [RFC2575] for tables in which multiple
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users may need to independently create or modify entries, the initial
index is used as an "owner index". Such an initial index has a syntax of
SnmpAdminString, and can thus be trivially mapped to a securityName or
groupName as defined in VACM, in accordance with a security policy.
All entries in related tables belonging to a particular user will have
the same value for this initial index. For a given user's entries in a
particular table, the object identifiers for the information in these
entries will have the same subidentifiers (except for the "column"
subidentifier) up to the end of the encoded owner index. To configure
VACM to permit access to this portion of the table, one would create
vacmViewTreeFamilyTable entries with the value of
vacmViewTreeFamilySubtree including the owner index portion, and
vacmViewTreeFamilyMask "wildcarding" the column subidentifier. More
elaborate configurations are possible.
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8. Definitions
DISMAN-EVENT-MIB DEFINITIONS ::= BEGIN
IMPORTS
MODULE-IDENTITY, OBJECT-TYPE,
experimental, Integer32, Unsigned32,
NOTIFICATION-TYPE, Counter32,
Gauge32 FROM SNMPv2-SMI
TEXTUAL-CONVENTION, RowStatus,
TruthValue FROM SNMPv2-TC
MODULE-COMPLIANCE, OBJECT-GROUP,
NOTIFICATION-GROUP FROM SNMPv2-CONF
sysUpTime FROM SNMPv2-MIB
SnmpTagValue FROM SNMP-TARGET-MIB
SnmpAdminString FROM SNMP-FRAMEWORK-MIB;
dismanEventMIB MODULE-IDENTITY
LAST-UPDATED "9906241700Z"
ORGANIZATION "IETF Distributed Management Working Group"
CONTACT-INFO "Bob Stewart
Cisco Systems, Inc.
170 West Tasman Drive,
San Jose CA 95134-1706.
Phone: +1 408 526 4527
Email: bstewart@cisco.com"
DESCRIPTION
"The MIB module for defining event triggers and actions
for network management purposes."
::= { experimental xx }
dismanEventMIBObjects OBJECT IDENTIFIER ::= { dismanEventMIB 1 }
mteResource OBJECT IDENTIFIER ::= { dismanEventMIBObjects 1 }
mteTrigger OBJECT IDENTIFIER ::= { dismanEventMIBObjects 2 }
mteObjects OBJECT IDENTIFIER ::= { dismanEventMIBObjects 3 }
mteEvent OBJECT IDENTIFIER ::= { dismanEventMIBObjects 4 }
-- For use as a default OID:
zeroDotZero OBJECT IDENTIFIER ::= { 0 0 }
--
-- Textual Conventions
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--
FailureReason ::= TEXTUAL-CONVENTION
STATUS current
DESCRIPTION
"Reasons for failures in an attempt to perform a management
request.
The first group of errors, numbered less than 0, are related
to problems in sending the request. The existence of a
particular error code here does not imply that all
implementations are capable of sensing that error and
returning that code.
The second group, numbered greater than 0, are copied
directly from SNMP protocol operations and are intended to carry
exactly the meanings defined for the protocol as returned in
an SNMP response.
localResourceLack some local resource such as memory lacking
or mteResourceSampleInstanceMaximum
exceeded
badDestination unrecognized domain name or otherwise
invalid destination address
destinationUnreachable can't get to destination address
noResponse no response to SNMP request
badType the data syntax of a retrieved object
as not as expected
sampleOverrun another sample attempt occurred before
the previous one completed"
SYNTAX INTEGER { localResourceLack(-1),
badDestination(-2),
destinationUnreachable(-3),
noResponse(-4),
badType(-5),
sampleOverrun(-6),
noError(0),
tooBig(1),
noSuchName(2),
badValue(3),
readOnly(4),
genErr(5),
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noAccess(6),
wrongType(7),
wrongLength(8),
wrongEncoding(9),
wrongValue(10),
noCreation(11),
inconsistentValue(12),
resourceUnavailable(13),
commitFailed(14),
undoFailed(15),
authorizationError(16),
notWritable(17),
inconsistentName(18) }
--
-- Resource Control Section
--
mteResourceSampleMinimum OBJECT-TYPE
SYNTAX Integer32 (1..600)
UNITS "seconds"
MAX-ACCESS read-write
STATUS current
DESCRIPTION
"The minimum mteTriggerFrequency this system will
accept. A system may use the larger values of this minimum to
lessen the impact of constant sampling. For larger
sampling intervals the system samples less often and
suffers less overhead. This object provides a way to enforce
such lower overhead for all triggers created after it is
set.
Unless explicitly resource limited, a system's value for
this object should be 1, allowing as small as a 1 second
interval for ongoing trigger sampling.
Changing this value will not invalidate an existing setting
of mteTriggerFrequency."
::= { mteResource 1 }
mteResourceSampleInstanceMaximum OBJECT-TYPE
SYNTAX Unsigned32
UNITS "instances"
MAX-ACCESS read-write
STATUS current
DESCRIPTION
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"The maximum number of instance entries this system will
support for sampling.
These are the entries that maintain state, one for each
instance of each sampled object as selected by
mteTriggerValueID. Note that wildcarded objects result
in multiple instances of this state.
A value of 0 indicates no preset limit, that is, the limit
is dynamic based on system operation and resources.
Unless explicitly resource limited, a system's value for
this object should be 0.
Changing this value will not eliminate or inhibit existing sample
state but could prevent allocation of additional state
information."
::= { mteResource 2 }
mteResourceSampleInstances OBJECT-TYPE
SYNTAX Gauge32
UNITS "instances"
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The number of currently active instance entries as
defined for mteResourceSampleInstanceMaximum."
::= { mteResource 3 }
mteResourceSampleInstancesHigh OBJECT-TYPE
SYNTAX Gauge32
UNITS "instances"
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The highest value of mteResourceSampleInstances that has
occurred since initialization of the management system."
::= { mteResource 4 }
mteResourceSampleInstanceLacks OBJECT-TYPE
SYNTAX Counter32
UNITS "instances"
MAX-ACCESS read-only
STATUS current
DESCRIPTION
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"The number of times this system could not take a new sample
because that allocation would have exceeded the limit set by
mteResourceSampleInstanceMaximum."
::= { mteResource 5 }
--
-- Trigger Section
--
-- Counters
mteTriggerFailures OBJECT-TYPE
SYNTAX Counter32
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The number of times an attempt to check for a trigger
condition has failed. This counts individually for each
attempt in a group of targets or each attempt for a
wildcarded object."
::= { mteTrigger 1 }
--
-- Trigger Table
--
mteTriggerTable OBJECT-TYPE
SYNTAX SEQUENCE OF MteTriggerEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"A table of management event trigger information."
::= { mteTrigger 2 }
mteTriggerEntry OBJECT-TYPE
SYNTAX MteTriggerEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"Information about a single trigger. Applications create and
delete entries using mteTriggerEntryStatus."
INDEX { mteOwner, IMPLIED mteTriggerName }
::= { mteTriggerTable 1 }
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MteTriggerEntry ::= SEQUENCE {
mteOwner SnmpAdminString,
mteTriggerName SnmpAdminString,
mteTriggerComment SnmpAdminString,
mteTriggerTest BITS,
mteTriggerSampleType INTEGER,
mteTriggerValueID OBJECT IDENTIFIER,
mteTriggerValueIDWildcard TruthValue,
mteTriggerTargetTag SnmpTagValue,
mteTriggerContextName SnmpAdminString,
mteTriggerContextNameWildcard TruthValue,
mteTriggerFrequency Unsigned32,
mteTriggerObjectsOwner SnmpAdminString,
mteTriggerObjects SnmpAdminString,
mteTriggerEnabled TruthValue,
mteTriggerEntryStatus RowStatus
}
mteOwner OBJECT-TYPE
SYNTAX SnmpAdminString (SIZE(0..32))
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"The owner of this entry. The exact semantics of this
string are subject to the security policy defined by the
security administrator."
::= { mteTriggerEntry 1 }
mteTriggerName OBJECT-TYPE
SYNTAX SnmpAdminString (SIZE (1..32))
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"A locally-unique, administratively assigned name for the
trigger within the scope of mteOwner."
::= { mteTriggerEntry 2 }
mteTriggerComment OBJECT-TYPE
SYNTAX SnmpAdminString
MAX-ACCESS read-create
STATUS current
DESCRIPTION
"A description of the trigger's function and use."
DEFVAL { ''H }
::= { mteTriggerEntry 3 }
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mteTriggerTest OBJECT-TYPE
SYNTAX BITS { existence(0), boolean(1), threshold(2) }
MAX-ACCESS read-create
STATUS current
DESCRIPTION
"The type of trigger test to perform. For 'boolean' and
'threshold' tests, the object at mteTriggerValueID must
evaluate to an integer, that is, anything that ends up encoded
for transmission (that is, in BER, not ASN.1) as an integer.
For 'existence', the specific test is as selected by
mteTriggerExistenceTest. When an object appears or vanishes
the trigger fires. The trigger will not fire again until the
object has changed states.
For 'boolean', the specific test is as selected by
mteTriggerBooleanTest. If the test result is true the trigger
fires. The trigger will not fire again until the value has
become false and come back to true.
For 'threshold' the test works as described below for
mteTriggerThresholdStartup, mteTriggerThresholdRising, and
mteTriggerThresholdFalling.
Note that combining 'boolean' and 'threshold' tests on the
same object may be somewhat redundant."
DEFVAL { boolean }
::= { mteTriggerEntry 4 }
mteTriggerSampleType OBJECT-TYPE
SYNTAX INTEGER { absoluteValue(1), deltaValue(2) }
MAX-ACCESS read-create
STATUS current
DESCRIPTION
"The type of sampling to perform.
An 'absoluteValue' sample requires only a single sample to be
meaningful, and is exactly the value of the object at
mteTriggerValueID at the sample time.
A 'deltaValue' requires two samples to be meaningful and is
thus not available for testing until the second and subsequent
samples after the object at mteTriggerValueID is first found
to exist. It is the difference between the two samples. For
unsigned values it is always positive, based on unsigned
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arithmetic. For signed values it can be positive or negative.
For SNMP counters to be meaningful they must be sampled as a
'deltaValue'.
For 'deltaValue' mteTriggerDeltaTable contains further
parameters.
If only 'existence' is set in mteTriggerTest this object has
no meaning."
DEFVAL { absoluteValue }
::= { mteTriggerEntry 5 }
mteTriggerValueID OBJECT-TYPE
SYNTAX OBJECT IDENTIFIER
MAX-ACCESS read-create
STATUS current
DESCRIPTION
"The object identifier of the MIB object to sample to see
if the trigger should fire.
This may be wildcarded by truncating all or part of the
instance portion, in which case the value is obtained
as if with a GetNext function, checking multiple values
if they exist. If such wildcarding is applied,
mteTriggerValueIDWildcard must be 'true' and if not it must
be 'false'.
Bad object identifiers or a mismatch between truncating the
identifier and the value of mteTriggerValueIDWildcard result
in operation as one would expect when providing the wrong
identifier to a Get or GetNext operation. The Get will fail
or get the wrong object. The GetNext will indeed get whatever
is next, proceeding until it runs past the initial part of the
identifier and perhaps many unintended objects for confusing
results. If the value syntax of those objects is not usable,
that results in a 'badType' error that terminates the scan.
Each instance that fills the wildcard is independent of any
additional instances, that is, wildcarded objects operate
as if there were a separate table entry for each instance
that fills the wildcard without having to actually predict
all possible instances ahead of time."
DEFVAL { zeroDotZero }
::= { mteTriggerEntry 6 }
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mteTriggerValueIDWildcard OBJECT-TYPE
SYNTAX TruthValue
MAX-ACCESS read-create
STATUS current
DESCRIPTION
"Control for whether mteTriggerValueID is to be treated as
fully-specified or wildcarded, with 'true' indicating wildcard."
DEFVAL { false }
::= { mteTriggerEntry 7 }
mteTriggerTargetTag OBJECT-TYPE
SYNTAX SnmpTagValue
MAX-ACCESS read-create
STATUS current
DESCRIPTION
"The tag for the target(s) from which to obtain the condition
for a trigger check.
A length of 0 indicates the local system. In this case,
access to the objects indicated by mteTriggerValueID is under
the security credentials of the requester that set
mteTriggerEntryStatus to 'active'. Those credentials are the
input parameters for isAccessAllowed from the Architecture for
Describing SNMP Management Frameworks.
Otherwise access rights are checked according to the security
parameters resulting from the tag."
DEFVAL { ''H }
::= { mteTriggerEntry 8 }
mteTriggerContextName OBJECT-TYPE
SYNTAX SnmpAdminString
MAX-ACCESS read-create
STATUS current
DESCRIPTION
"The management context from which to obtain mteTriggerValueID.
This may be wildcarded by leaving characters off the end. For
example use 'Repeater' to wildcard to 'Repeater1',
'Repeater2', 'Repeater-999.87b', and so on. To indicate such
wildcarding is intended, mteTriggerContextNameWildcard must
be 'true'.
Each instance that fills the wildcard is independent of any
additional instances, that is, wildcarded objects operate
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as if there were a separate table entry for each instance
that fills the wildcard without having to actually predict
all possible instances ahead of time.
Operation of this feature assumes that the local system has a
list of available contexts against which to apply the
wildcard. If the objects are being read from the local
system, this is clearly the system's own list of contexts.
For a remote system a local version of such a list is not
defined by any current standard and may not be available, so
this function may not be supported."
DEFVAL { ''H }
::= { mteTriggerEntry 9 }
mteTriggerContextNameWildcard OBJECT-TYPE
SYNTAX TruthValue
MAX-ACCESS read-create
STATUS current
DESCRIPTION
"Control for whether mteTriggerContextName is to be treated as
fully-specified or wildcarded, with 'true' indicating wildcard."
DEFVAL { false }
::= { mteTriggerEntry 10 }
mteTriggerFrequency OBJECT-TYPE
SYNTAX Unsigned32
UNITS "seconds"
MAX-ACCESS read-create
STATUS current
DESCRIPTION
"The number of seconds to wait between trigger samples. To
encourage consistency in sampling, the interval is measured
from the beginning of one check to the beginning of the next
and the timer is restarted immediately when it expires, not
when the check completes.
If the next sample begins before the previous one completed the
system may either attempt to make the check or treat this as an
error condition with the error 'sampleOverrun'.
A frequency of 0 indicates instantaneous recognition of the
condition. This is not possible in many cases, but may
be supported in cases where it makes sense and the system is
able to do so. This feature allows the MIB to be used in
implementations where such interrupt-driven behavior is
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possible and is not likely to be supported for all MIB objects
even then since such sampling generally has to be tightly
integrated into low-level code.
Systems that can support this should document those cases
where it can be used. In cases where it can not, setting this
object to 0 simply returns a bad value error."
DEFVAL { 600 }
::= { mteTriggerEntry 11 }
mteTriggerObjectsOwner OBJECT-TYPE
SYNTAX SnmpAdminString (SIZE (0..32))
MAX-ACCESS read-create
STATUS current
DESCRIPTION
"To go with mteTriggerObjects, the mteOwner of a group of
objects from mteObjectsTable."
DEFVAL { ''H }
::= { mteTriggerEntry 12 }
mteTriggerObjects OBJECT-TYPE
SYNTAX SnmpAdminString (SIZE (0..32))
MAX-ACCESS read-create
STATUS current
DESCRIPTION
"The mteObjectsName of a group of objects from
mteObjectsTable. These objects are to be added to any
Notification resulting from the firing of this trigger.
A list of objects may also be added based on the event or on
the value of mteTriggerTest.
A length of 0 indicates no additional objects."
DEFVAL { ''H }
::= { mteTriggerEntry 13 }
mteTriggerEnabled OBJECT-TYPE
SYNTAX TruthValue
MAX-ACCESS read-create
STATUS current
DESCRIPTION
"A control to allow a trigger to be configured but not used.
When the value is 'false' the trigger is not sampled."
DEFVAL { false }
::= { mteTriggerEntry 14 }
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mteTriggerEntryStatus OBJECT-TYPE
SYNTAX RowStatus
MAX-ACCESS read-create
STATUS current
DESCRIPTION
"The control that allows creation and deletion of entries.
Once made active an entry may not be modified except to
delete it."
::= { mteTriggerEntry 15 }
--
-- Trigger Delta Table
--
mteTriggerDeltaTable OBJECT-TYPE
SYNTAX SEQUENCE OF MteTriggerDeltaEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"A table of management event trigger information for delta
sampling."
::= { mteTrigger 3 }
mteTriggerDeltaEntry OBJECT-TYPE
SYNTAX MteTriggerDeltaEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"Information about a single trigger's delta sampling. Entries
automatically exist in this this table for each mteTriggerEntry
that has mteTriggerSampleType set to 'deltaValue'."
INDEX { mteOwner, IMPLIED mteTriggerName }
::= { mteTriggerDeltaTable 1 }
MteTriggerDeltaEntry ::= SEQUENCE {
mteTriggerDeltaDiscontinuityID OBJECT IDENTIFIER,
mteTriggerDeltaDiscontinuityIDWildcard TruthValue,
mteTriggerDeltaDiscontinuityIDType INTEGER
}
sysUpTimeInstance OBJECT IDENTIFIER ::= { sysUpTime 0 }
mteTriggerDeltaDiscontinuityID OBJECT-TYPE
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SYNTAX OBJECT IDENTIFIER
MAX-ACCESS read-write
STATUS current
DESCRIPTION
"The OBJECT IDENTIFIER (OID) of a TimeTicks, TimeStamp, or
DateAndTime object that indicates a discontinuity in the value
at mteTriggerValueID.
The OID may be for a leaf object (e.g. sysUpTime.0) or may
be wildcarded to match mteTriggerValueID.
This object supports normal checking for a discontinuity in a
counter. Note that if this object does not point to sysUpTime
discontinuity checking must still check sysUpTime for an overall
discontinuity.
If the object identified is not accessible the sample attempt
is in error, with the error code as from an SNMP request.
Bad object identifiers or a mismatch between truncating the
identifier and the value of mteDeltaDiscontinuityIDWildcard
result in operation as one would expect when providing the
wrong identifier to a Get operation. The Get will fail or get
the wrong object. If the value syntax of those objects is not
usable, that results in an error that terminates the sample
with a 'badType' error code."
DEFVAL { sysUpTimeInstance }
::= { mteTriggerDeltaEntry 1 }
mteTriggerDeltaDiscontinuityIDWildcard OBJECT-TYPE
SYNTAX TruthValue
MAX-ACCESS read-write
STATUS current
DESCRIPTION
"Control for whether mteTriggerDeltaDiscontinuityID is to be
treated as fully-specified or wildcarded, with 'true'
indicating wildcard."
DEFVAL { false }
::= { mteTriggerDeltaEntry 2 }
mteTriggerDeltaDiscontinuityIDType OBJECT-TYPE
SYNTAX INTEGER { timeTicks(1), timeStamp(2), dateAndTime(3) }
MAX-ACCESS read-write
STATUS current
DESCRIPTION
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"The value 'timeTicks' indicates the
mteTriggerDeltaDiscontinuityID of this row is of syntax
TimeTicks. The value 'timeStamp' indicates syntax TimeStamp.
The value 'dateAndTime' indicates syntax DateAndTime."
DEFVAL { timeTicks }
::= { mteTriggerDeltaEntry 3 }
--
-- Trigger Existence Table
--
mteTriggerExistenceTable OBJECT-TYPE
SYNTAX SEQUENCE OF MteTriggerExistenceEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"A table of management event trigger information for existence
triggers."
::= { mteTrigger 4 }
mteTriggerExistenceEntry OBJECT-TYPE
SYNTAX MteTriggerExistenceEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"Information about a single existence trigger. Entries
automatically exist in this this table for each mteTriggerEntry
that has 'existence' set in mteTriggerTest."
INDEX { mteOwner, IMPLIED mteTriggerName }
::= { mteTriggerExistenceTable 1 }
MteTriggerExistenceEntry ::= SEQUENCE {
mteTriggerExistenceTest INTEGER,
mteTriggerExistenceStartup TruthValue,
mteTriggerExistenceObjectsOwner SnmpAdminString,
mteTriggerExistenceObjects SnmpAdminString,
mteTriggerExistenceEventOwner SnmpAdminString,
mteTriggerExistenceEvent SnmpAdminString
}
mteTriggerExistenceTest OBJECT-TYPE
SYNTAX BITS { present(0), absent(1), changed(2) }
MAX-ACCESS read-write
STATUS current
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DESCRIPTION
"The type of existence test to perform. The trigger fires
when the object at mteTriggerValueID is seen to go from
present to absent, from absent to present, or to have it's
value changed, depending on which tests are selected.
Once the trigger has fired for either presence or absence it
will not fire again for that state until the object has been
to the other state."
DEFVAL { { present, absent } }
::= { mteTriggerExistenceEntry 1 }
mteTriggerExistenceStartup OBJECT-TYPE
SYNTAX BITS { present(0), absent(1), changed(2) }
MAX-ACCESS read-write
STATUS current
DESCRIPTION
"Control for whether an event may be triggered when this entry
is first set to 'active' and the test specified by
mteTriggerExistenceTest is true. Setting an option causes
that trigger to fire when its test is true."
DEFVAL { { present, absent } }
::= { mteTriggerExistenceEntry 2 }
mteTriggerExistenceObjectsOwner OBJECT-TYPE
SYNTAX SnmpAdminString (SIZE (0..32))
MAX-ACCESS read-write
STATUS current
DESCRIPTION
"To go with mteTriggerExistenceObjects, the mteOwner of a
group of objects from mteObjectsTable."
DEFVAL { ''H }
::= { mteTriggerExistenceEntry 3 }
mteTriggerExistenceObjects OBJECT-TYPE
SYNTAX SnmpAdminString (SIZE (0..32))
MAX-ACCESS read-write
STATUS current
DESCRIPTION
"The mteObjectsName of a group of objects from
mteObjectsTable. These objects are to be added to any
Notification resulting from the firing of this trigger for
this test.
A list of objects may also be added based on the overall
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trigger, the event or other settings in mteTriggerTest.
A length of 0 indicates no additional objects."
DEFVAL { ''H }
::= { mteTriggerExistenceEntry 4 }
mteTriggerExistenceEventOwner OBJECT-TYPE
SYNTAX SnmpAdminString (SIZE (0..32))
MAX-ACCESS read-write
STATUS current
DESCRIPTION
"To go with mteTriggerExistenceEvent, the mteOwner of a group
of objects from mteObjectsTable."
DEFVAL { ''H }
::= { mteTriggerExistenceEntry 5 }
mteTriggerExistenceEvent OBJECT-TYPE
SYNTAX SnmpAdminString (SIZE (0..32))
MAX-ACCESS read-write
STATUS current
DESCRIPTION
"The mteEventName of the event to invoke when mteTriggerType is
'existence' and this trigger fires. A length of 0 indicates no
event."
DEFVAL { ''H }
::= { mteTriggerExistenceEntry 6 }
--
-- Trigger Boolean Table
--
mteTriggerBooleanTable OBJECT-TYPE
SYNTAX SEQUENCE OF MteTriggerBooleanEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"A table of management event trigger information for boolean
triggers."
::= { mteTrigger 5 }
mteTriggerBooleanEntry OBJECT-TYPE
SYNTAX MteTriggerBooleanEntry
MAX-ACCESS not-accessible
STATUS current
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DESCRIPTION
"Information about a single boolean trigger. Entries
automatically exist in this this table for each mteTriggerEntry
that has 'boolean' set in mteTriggerTest."
INDEX { mteOwner, IMPLIED mteTriggerName }
::= { mteTriggerBooleanTable 1 }
MteTriggerBooleanEntry ::= SEQUENCE {
mteTriggerBooleanComparison INTEGER,
mteTriggerBooleanValue Integer32,
mteTriggerBooleanStartup TruthValue,
mteTriggerBooleanObjectsOwner SnmpAdminString,
mteTriggerBooleanObjects SnmpAdminString,
mteTriggerBooleanEventOwner SnmpAdminString,
mteTriggerBooleanEvent SnmpAdminString
}
mteTriggerBooleanComparison OBJECT-TYPE
SYNTAX INTEGER { unequal(1), equal(2),
less(3), lessOrEqual(4),
greater(5), greaterOrEqual(6) }
MAX-ACCESS read-write
STATUS current
DESCRIPTION
"The type of boolean comparison to perform.
The value at mteTriggerValueID is compared to
mteTriggerBooleanValue, so for example if
mteTriggerBooleanComparison is 'less' the result would be true
if the value at mteTriggerValueID is less than the value of
mteTriggerBooleanValue."
DEFVAL { unequal }
::= { mteTriggerBooleanEntry 1 }
mteTriggerBooleanValue OBJECT-TYPE
SYNTAX Integer32
MAX-ACCESS read-write
STATUS current
DESCRIPTION
"The value to use for the test specified by
mteTriggerBooleanTest."
DEFVAL { 0 }
::= { mteTriggerBooleanEntry 2 }
mteTriggerBooleanStartup OBJECT-TYPE
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SYNTAX TruthValue
MAX-ACCESS read-write
STATUS current
DESCRIPTION
"Control for whether an event may be triggered when this entry
is first set to 'active' or a new instance of the object at
mteTriggerValueID is found and the test specified by
mteTriggerBooleanComparison is true. In that case an event is
triggered if mteTriggerBooleanStartup is 'true'."
DEFVAL { true }
::= { mteTriggerBooleanEntry 3 }
mteTriggerBooleanObjectsOwner OBJECT-TYPE
SYNTAX SnmpAdminString (SIZE (0..32))
MAX-ACCESS read-write
STATUS current
DESCRIPTION
"To go with mteTriggerBooleanObjects, the mteOwner of a group
of objects from mteObjectsTable."
DEFVAL { ''H }
::= { mteTriggerBooleanEntry 4 }
mteTriggerBooleanObjects OBJECT-TYPE
SYNTAX SnmpAdminString (SIZE (0..32))
MAX-ACCESS read-write
STATUS current
DESCRIPTION
"The mteObjectsName of a group of objects from
mteObjectsTable. These objects are to be added to any
Notification resulting from the firing of this trigger for
this test.
A list of objects may also be added based on the overall
trigger, the event or other settings in mteTriggerTest.
A length of 0 indicates no additional objects."
DEFVAL { ''H }
::= { mteTriggerBooleanEntry 5 }
mteTriggerBooleanEventOwner OBJECT-TYPE
SYNTAX SnmpAdminString (SIZE (0..32))
MAX-ACCESS read-write
STATUS current
DESCRIPTION
"To go with mteTriggerBooleanEvent, the mteOwner of an event
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entry from mteEventTable."
DEFVAL { ''H }
::= { mteTriggerBooleanEntry 6 }
mteTriggerBooleanEvent OBJECT-TYPE
SYNTAX SnmpAdminString (SIZE (0..32))
MAX-ACCESS read-write
STATUS current
DESCRIPTION
"The mteEventName of the event to invoke when mteTriggerType is
'boolean' and this trigger fires. A length of 0 indicates no
event."
DEFVAL { ''H }
::= { mteTriggerBooleanEntry 7 }
--
-- Trigger Threshold Table
--
mteTriggerThresholdTable OBJECT-TYPE
SYNTAX SEQUENCE OF MteTriggerThresholdEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"A table of management event trigger information for threshold
triggers."
::= { mteTrigger 6 }
mteTriggerThresholdEntry OBJECT-TYPE
SYNTAX MteTriggerThresholdEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"Information about a single threshold trigger. Entries
automatically exist in this table for each mteTriggerEntry
that has 'threshold' set in mteTriggerTest."
INDEX { mteOwner, IMPLIED mteTriggerName }
::= { mteTriggerThresholdTable 1 }
MteTriggerThresholdEntry ::= SEQUENCE {
mteTriggerThresholdValue Integer32,
mteTriggerThresholdStartup INTEGER,
mteTriggerThresholdRising Integer32,
mteTriggerThresholdFalling Integer32,
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mteTriggerThresholdObjectsOwner SnmpAdminString,
mteTriggerThresholdObjects SnmpAdminString,
mteTriggerThresholdRisingEventOwner SnmpAdminString,
mteTriggerThresholdRisingEvent SnmpAdminString,
mteTriggerThresholdFallingEventOwner SnmpAdminString,
mteTriggerThresholdFallingEvent SnmpAdminString
}
mteTriggerThresholdValue OBJECT-TYPE
SYNTAX Integer32
MAX-ACCESS read-write
STATUS current
DESCRIPTION
"The value to use for the threshold test."
DEFVAL { 0 }
::= { mteTriggerThresholdEntry 1 }
mteTriggerThresholdStartup OBJECT-TYPE
SYNTAX INTEGER { rising(1), falling(2), risingOrFalling(3) }
MAX-ACCESS read-write
STATUS current
DESCRIPTION
"The event that may be triggered when this entry is first
set to 'active' and a new instance of the object at
mteTriggerValueID is found. If the first sample after this
instance becomes active is greater than or equal to
mteTriggerThresholdRising and mteTriggerThresholdStartup is
equal to 'rising' or 'risingOrFalling', then one
mteTriggerThresholdRisingEvent is triggered for that instance.
If the first sample after this entry becomes active is less than
or equal to mteTriggerThresholdFalling and
mteTriggerThresholdStartup is equal to 'falling' or
'risingOrFalling', then one mteTriggerThresholdRisingEvent is
triggered for that instance."
DEFVAL { risingOrFalling }
::= { mteTriggerThresholdEntry 2 }
mteTriggerThresholdRising OBJECT-TYPE
SYNTAX Integer32
MAX-ACCESS read-write
STATUS current
DESCRIPTION
"A threshold value to check against if mteTriggerType is
'threshold'.
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When the current sampled value is greater than or equal to
this threshold, and the value at the last sampling interval
was less than this threshold, one
mteTriggerThresholdRisingEvent is triggered. That event is
also triggered if the first sample afer this entry bcomes
active is greater than or equal to this threshold and
mteTriggerThresholdStartup is equal to 'rising' or
'risingOrFalling'.
After a rising event is generated, another such event is not
triggered until the sampled value falls below this threshold and
reaches mteTriggerThresholdFalling."
DEFVAL { 0 }
::= { mteTriggerThresholdEntry 3 }
mteTriggerThresholdFalling OBJECT-TYPE
SYNTAX Integer32
MAX-ACCESS read-write
STATUS current
DESCRIPTION
"A threshold value to check against if mteTriggerType is
'threshold'.
When the current sampled value is less than or equal to this
threshold, and the value at the last sampling interval was
greater than this threshold, one
mteTriggerThresholdFallingEvent is triggered. That event is
also triggered if the first sample afer this entry bcomes
active is less than or equal to this threshold and
mteTriggerThresholdStartup is equal to 'falling' or
'risingOrFalling'.
After a falling event is generated, another such event is not
triggered until the sampled value rises above this threshold and
reaches mteTriggerThresholdRising."
DEFVAL { 0 }
::= { mteTriggerThresholdEntry 4 }
mteTriggerThresholdObjectsOwner OBJECT-TYPE
SYNTAX SnmpAdminString (SIZE (0..32))
MAX-ACCESS read-write
STATUS current
DESCRIPTION
"To go with mteTriggerThresholdObjects, the mteOwner of a group
of objects from mteObjectsTable."
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DEFVAL { ''H }
::= { mteTriggerThresholdEntry 5 }
mteTriggerThresholdObjects OBJECT-TYPE
SYNTAX SnmpAdminString (SIZE (0..32))
MAX-ACCESS read-write
STATUS current
DESCRIPTION
"The mteObjectsName of a group of objects from
mteObjectsTable. These objects are to be added to any
Notification resulting from the firing of this trigger for
this test.
A list of objects may also be added based on the overall
trigger, the event or other settings in mteTriggerTest.
A length of 0 indicates no additional objects."
DEFVAL { ''H }
::= { mteTriggerThresholdEntry 6 }
mteTriggerThresholdRisingEventOwner OBJECT-TYPE
SYNTAX SnmpAdminString (SIZE (0..32))
MAX-ACCESS read-write
STATUS current
DESCRIPTION
"To go with mteTriggerThresholdRisingEvent, the mteOwner of an
event entry from mteEventTable."
DEFVAL { ''H }
::= { mteTriggerThresholdEntry 7 }
mteTriggerThresholdRisingEvent OBJECT-TYPE
SYNTAX SnmpAdminString (SIZE (0..32))
MAX-ACCESS read-write
STATUS current
DESCRIPTION
"The mteEventName of the event to invoke when mteTriggerType is
'threshold' and this trigger fires based on
mteTriggerThresholdRising. A length of 0 indicates no event."
DEFVAL { ''H }
::= { mteTriggerThresholdEntry 8 }
mteTriggerThresholdFallingEventOwner OBJECT-TYPE
SYNTAX SnmpAdminString (SIZE (0..32))
MAX-ACCESS read-write
STATUS current
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DESCRIPTION
"To go with mteTriggerThresholdFallingEvent, the mteOwner of an
event entry from mteEventTable."
DEFVAL { ''H }
::= { mteTriggerThresholdEntry 9 }
mteTriggerThresholdFallingEvent OBJECT-TYPE
SYNTAX SnmpAdminString (SIZE (0..32))
MAX-ACCESS read-write
STATUS current
DESCRIPTION
"The mteEventName of the event to invoke when mteTriggerType is
'threshold' and this trigger fires based on
mteTriggerThresholdFalling. A length of 0 indicates no event."
DEFVAL { ''H }
::= { mteTriggerThresholdEntry 10 }
--
-- Objects Table
--
mteObjectsTable OBJECT-TYPE
SYNTAX SEQUENCE OF MteObjectsEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"A table of objects that can be added to notifications based
on the trigger, trigger test, or event, as pointed to by
entries in those tables."
::= { mteObjects 1 }
mteObjectsEntry OBJECT-TYPE
SYNTAX MteObjectsEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"A group of objects. Applications create and delete entries
using mteObjectsEntryStatus.
When adding objects to a notification they are added in the
lexical order of their index in this table. Those associated
with a trigger come first, then trigger test, then event."
INDEX { mteOwner, mteObjectsName, mteObjectsIndex }
::= { mteObjectsTable 1 }
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MteObjectsEntry ::= SEQUENCE {
mteObjectsName SnmpAdminString,
mteObjectsIndex Unsigned32,
mteObjectsID OBJECT IDENTIFIER,
mteObjectsIDWildcard TruthValue,
mteObjectsEntryStatus RowStatus
}
mteObjectsName OBJECT-TYPE
SYNTAX SnmpAdminString (SIZE (1..32))
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"A locally-unique, administratively assigned name for a group of
objects."
::= { mteObjectsEntry 1 }
mteObjectsIndex OBJECT-TYPE
SYNTAX Unsigned32 (1..4294967295)
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"An arbitrary small integer for the purpose of identifying
individual objects within a mteObjectsName group.
Objects within a group are placed in the notification in the
numerical order of this index.
Groups are placed in the notification in the order of the
selections for overall trigger, trigger test, and event.
Within trigger test they are in the same order as the
numerical values of the bits defined for mteTriggerTest.
Bad object identifiers or a mismatch between truncating the
identifier and the value of mteDeltaDiscontinuityIDWildcard
result in operation as one would expect when providing the
wrong identifier to a Get operation. The Get will fail or get
the wrong object. If the object is not available it is omitted
from the notification."
::= { mteObjectsEntry 2 }
mteObjectsID OBJECT-TYPE
SYNTAX OBJECT IDENTIFIER
MAX-ACCESS read-create
STATUS current
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DESCRIPTION
"The object identifier of a MIB object to add to a
Notification that results from the firing of a trigger.
This may be wildcarded by truncating all or part of the
instance portion, in which case the instance portion of the
OID for obtaining this object will be the same as that used
in obtaining the mteTriggerValueID that fired. If such
wildcarding is applied, mteObjectsIDWildcard must be
'true' and if not it must be 'false'.
Each instance that fills the wildcard is independent of any
additional instances, that is, wildcarded objects operate
as if there were a separate table entry for each instance
that fills the wildcard without having to actually predict
all possible instances ahead of time."
DEFVAL { zeroDotZero }
::= { mteObjectsEntry 3 }
mteObjectsIDWildcard OBJECT-TYPE
SYNTAX TruthValue
MAX-ACCESS read-create
STATUS current
DESCRIPTION
"Control for whether mteObjectsID is to be treated as
fully-specified or wildcarded, with 'true' indicating wildcard."
DEFVAL { false }
::= { mteObjectsEntry 4 }
mteObjectsEntryStatus OBJECT-TYPE
SYNTAX RowStatus
MAX-ACCESS read-create
STATUS current
DESCRIPTION
"The control that allows creation and deletion of entries.
Once made active an entry may not be modified except to
delete it."
::= { mteObjectsEntry 5 }
--
-- Event Section
--
-- Counters
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mteEventFailures OBJECT-TYPE
SYNTAX Counter32
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The number of times an attempt to invoke an event
has failed. This counts individually for each
attempt in a group of targets or each attempt for a
wildcarded trigger object."
::= { mteEvent 1 }
--
-- Event Table
--
mteEventTable OBJECT-TYPE
SYNTAX SEQUENCE OF MteEventEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"A table of management event action information."
::= { mteEvent 2 }
mteEventEntry OBJECT-TYPE
SYNTAX MteEventEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"Information about a single event. Applications create and
delete entries using mteEventEntryStatus."
INDEX { mteOwner, IMPLIED mteEventName }
::= { mteEventTable 1 }
MteEventEntry ::= SEQUENCE {
mteEventName SnmpAdminString,
mteEventComment SnmpAdminString,
mteEventActions BITS,
mteEventEnabled TruthValue,
mteEventEntryStatus RowStatus
}
mteEventName OBJECT-TYPE
SYNTAX SnmpAdminString (SIZE (1..32))
MAX-ACCESS not-accessible
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STATUS current
DESCRIPTION
"A locally-unique, administratively assigned name for the
event."
::= { mteEventEntry 1 }
mteEventComment OBJECT-TYPE
SYNTAX SnmpAdminString
MAX-ACCESS read-create
STATUS current
DESCRIPTION
"A description of the event's function and use."
DEFVAL { ''H }
::= { mteEventEntry 2 }
mteEventActions OBJECT-TYPE
SYNTAX BITS { notification(0), set(1) }
MAX-ACCESS read-create
STATUS current
DESCRIPTION
"The actions to perform when this event occurs.
For 'notification', Traps and/or Informs are sent according
to the configuration in the SNMP Notification MIB.
For 'set', an SNMP Set operation is performed according to
control values in this entry."
DEFVAL { { } } -- No bits set.
::= { mteEventEntry 3 }
mteEventEnabled OBJECT-TYPE
SYNTAX TruthValue
MAX-ACCESS read-create
STATUS current
DESCRIPTION
"A control to allow an event to be configured but not used.
When the value is 'false' the event does not execute even if
triggered."
DEFVAL { false }
::= { mteEventEntry 4 }
mteEventEntryStatus OBJECT-TYPE
SYNTAX RowStatus
MAX-ACCESS read-create
STATUS current
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DESCRIPTION
"The control that allows creation and deletion of entries.
Once made active an entry may not be modified except to
delete it."
::= { mteEventEntry 5 }
--
-- Event Notification Table
--
mteEventNotificationTable OBJECT-TYPE
SYNTAX SEQUENCE OF MteEventNotificationEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"A table of management event action notification information."
::= { mteEvent 3 }
mteEventNotificationEntry OBJECT-TYPE
SYNTAX MteEventNotificationEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"Information about a single event's notification. Entries
automatically exist in this this table for each mteTriggerEntry
that has 'notification' set in mteEventAction."
INDEX { mteOwner, IMPLIED mteTriggerName }
::= { mteEventNotificationTable 1 }
MteEventNotificationEntry ::= SEQUENCE {
mteEventNotification OBJECT IDENTIFIER,
mteEventNotificationObjectsOwner SnmpAdminString,
mteEventNotificationObjects SnmpAdminString
}
mteEventNotification OBJECT-TYPE
SYNTAX OBJECT IDENTIFIER
MAX-ACCESS read-write
STATUS current
DESCRIPTION
"The object identifier from the NOTIFICATION-TYPE for the
notification to use if metEventActions has 'notification' set."
DEFVAL { zeroDotZero }
::= { mteEventNotificationEntry 1 }
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mteEventNotificationObjectsOwner OBJECT-TYPE
SYNTAX SnmpAdminString (SIZE (0..32))
MAX-ACCESS read-write
STATUS current
DESCRIPTION
"To go with mteEventNotificationObjects, the mteOwner of a
group of objects from mteObjectsTable."
DEFVAL { ''H }
::= { mteEventNotificationEntry 2 }
mteEventNotificationObjects OBJECT-TYPE
SYNTAX SnmpAdminString (SIZE (0..32))
MAX-ACCESS read-write
STATUS current
DESCRIPTION
"The mteObjectsName of a group of objects from
mteObjectsTable if mteEventActions has 'notification' set.
These objects are to be added to any Notification generated by
this event.
Objects may also be added based on the trigger that stimulated
the event.
A length of 0 indicates no additional objects."
DEFVAL { ''H }
::= { mteEventNotificationEntry 3 }
--
-- Event Set Table
--
mteEventSetTable OBJECT-TYPE
SYNTAX SEQUENCE OF MteEventSetEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"A table of management event action information."
::= { mteEvent 4 }
mteEventSetEntry OBJECT-TYPE
SYNTAX MteEventSetEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
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"Information about a single event's set option. Entries
automatically exist in this this table for each mteTriggerEntry
that has 'set' set in mteEventAction."
INDEX { mteOwner, IMPLIED mteTriggerName }
::= { mteEventSetTable 1 }
MteEventSetEntry ::= SEQUENCE {
mteEventSetObject OBJECT IDENTIFIER,
mteEventSetObjectWildcard TruthValue,
mteEventSetValue Integer32,
mteEventSetTargetTag SnmpTagValue,
mteEventSetContextName SnmpAdminString,
mteEventSetContextNameWildcard TruthValue
}
mteEventSetObject OBJECT-TYPE
SYNTAX OBJECT IDENTIFIER
MAX-ACCESS read-write
STATUS current
DESCRIPTION
"The object identifier from the MIB object to set if
mteEventActions has 'set' set.
This object identifier may be wildcarded by leaving
sub-identifiers off the end, in which case
nteEventSetObjectWildCard must be 'true'.
If mteEventSetObject is wildcarded the instance used to set the
object to which it points is the same as the instance from the
value of mteTriggerValueID that triggered the event.
Each instance that fills the wildcard is independent of any
additional instances, that is, wildcarded objects operate
as if there were a separate table entry for each instance
that fills the wildcard without having to actually predict
all possible instances ahead of time.
Bad object identifiers or a mismatch between truncating the
identifier and the value of mteSetObjectWildcard
result in operation as one would expect when providing the
wrong identifier to a Set operation. The Set will fail or set
the wrong object. If the value syntax of the destination
object is not correct, the Set fails with the normal SNMP
error code."
DEFVAL { zeroDotZero }
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::= { mteEventSetEntry 1 }
mteEventSetObjectWildcard OBJECT-TYPE
SYNTAX TruthValue
MAX-ACCESS read-write
STATUS current
DESCRIPTION
"Control over whether mteEventSetObject is to be treated as
fully-specified or wildcarded, with 'true' indicating wildcard
if mteEventActions has 'set' set."
DEFVAL { false }
::= { mteEventSetEntry 2 }
mteEventSetValue OBJECT-TYPE
SYNTAX Integer32
MAX-ACCESS read-write
STATUS current
DESCRIPTION
"The value to which to set the object at mteEventSetObject
if mteEventActions has 'set' set."
DEFVAL { 0 }
::= { mteEventSetEntry 3 }
mteEventSetTargetTag OBJECT-TYPE
SYNTAX SnmpTagValue
MAX-ACCESS read-write
STATUS current
DESCRIPTION
"The tag for the target(s) at which to set the object at
mteEventSetObject to mteEventSetValue if mteEventActions
has 'set' set.
Systems limited to self management may not accept a non-zero
length for the value of this object.
A length of 0 indicates the local system. In this case,
access to the objects indicated by mteEventSetObject is under
the security credentials of the requester that set
mteTriggerEntryStatus to 'active'. Those credentials are the
input parameters for isAccessAllowed from the Architecture for
Describing SNMP Management Frameworks.
Otherwise access rights are checked according to the security
parameters resulting from the tag."
DEFVAL { ''H }
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::= { mteEventSetEntry 4 }
mteEventSetContextName OBJECT-TYPE
SYNTAX SnmpAdminString
MAX-ACCESS read-write
STATUS current
DESCRIPTION
"The management context in which to set mteEventObjectID.
if mteEventActions has 'set' set.
This may be wildcarded by leaving characters off the end. To
indicate such wildcarding mteEventSetContextNameWildcard must
be 'true'.
If this context name is wildcarded the value used to complete
the wildcarding of mteTriggerContextName will be appended."
DEFVAL { ''H }
::= { mteEventSetEntry 5 }
mteEventSetContextNameWildcard OBJECT-TYPE
SYNTAX TruthValue
MAX-ACCESS read-write
STATUS current
DESCRIPTION
"Control for whether mteEventSetContextName is to be treated as
fully-specified or wildcarded, with 'true' indicating wildcard
if mteEventActions has 'set' set."
DEFVAL { false }
::= { mteEventSetEntry 6 }
--
-- Notifications
--
dismanEventMIBNotificationPrefix OBJECT IDENTIFIER ::= { dismanEventMIB 2 }
dismanEventMIBNotifications OBJECT IDENTIFIER ::=
{ dismanEventMIBNotificationPrefix 0 }
dismanEventMIBNotificationObjects OBJECT IDENTIFIER
::= { dismanEventMIBNotificationPrefix 1 }
--
-- Notification Objects
--
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mteHotTrigger OBJECT-TYPE
SYNTAX SnmpAdminString
MAX-ACCESS accessible-for-notify
STATUS current
DESCRIPTION
"The name of the trigger causing the notification."
::= { dismanEventMIBNotificationObjects 1 }
mteHotTargetName OBJECT-TYPE
SYNTAX SnmpAdminString
MAX-ACCESS accessible-for-notify
STATUS current
DESCRIPTION
"The SNMP Target MIB's snmpTargetAddrName related to the
notification."
::= { dismanEventMIBNotificationObjects 2 }
mteHotContextName OBJECT-TYPE
SYNTAX SnmpAdminString
MAX-ACCESS accessible-for-notify
STATUS current
DESCRIPTION
"The context name related to the notification. This must be as
fully-qualified as possible, including filling in wildcard
information determined in processing."
::= { dismanEventMIBNotificationObjects 3 }
mteHotOID OBJECT-TYPE
SYNTAX OBJECT IDENTIFIER
MAX-ACCESS accessible-for-notify
STATUS current
DESCRIPTION
"The object identifier of the destination object related to the
notification. This must be as fully-qualified as possible,
inluding filling in wildcard informaation determined in
processing.
For a trigger-related notification this is from
mteTriggerValueID.
For a set failure this is from mteEventSetObject."
::= { dismanEventMIBNotificationObjects 4 }
mteHotValue OBJECT-TYPE
SYNTAX Integer32
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MAX-ACCESS accessible-for-notify
STATUS current
DESCRIPTION
"The value of the object at mteTriggerValueID when a
trigger fired."
::= { dismanEventMIBNotificationObjects 5 }
mteFailedReason OBJECT-TYPE
SYNTAX FailureReason
MAX-ACCESS accessible-for-notify
STATUS current
DESCRIPTION
"The reason for the failure of an attempt to check for a
trigger condition or set an object in response to an event."
::= { dismanEventMIBNotificationObjects 6 }
--
-- Notifications
--
mteTriggerFired NOTIFICATION-TYPE
OBJECTS { mteHotTrigger,
mteHotTargetName,
mteHotContextName,
mteHotOID,
mteHotValue }
STATUS current
DESCRIPTION
"Notification that the trigger indicated by the object
instances has fired, for triggers with mteTriggerType
'boolean' or 'existence'."
::= { dismanEventMIBNotifications 1 }
mteTriggerRising NOTIFICATION-TYPE
OBJECTS { mteHotTrigger,
mteHotTargetName,
mteHotContextName,
mteHotOID,
mteHotValue }
STATUS current
DESCRIPTION
"Notification that the rising threshold was met for triggers
with mteTriggerType 'threshold'."
::= { dismanEventMIBNotifications 2 }
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mteTriggerFalling NOTIFICATION-TYPE
OBJECTS { mteHotTrigger,
mteHotTargetName,
mteHotContextName,
mteHotOID,
mteHotValue }
STATUS current
DESCRIPTION
"Notification that the falling threshold was met for triggers
with mteTriggerType 'threshold'."
::= { dismanEventMIBNotifications 3 }
mteTriggerFailure NOTIFICATION-TYPE
OBJECTS { mteHotTrigger,
mteHotTargetName,
mteHotContextName,
mteHotOID,
mteFailedReason }
STATUS current
DESCRIPTION
"Notification that an attempt to check a trigger has failed.
The network manager must enable this notification only with
a certain fear and trembling, as it can easily crowd out more
important information. It should be used only to help diagnose
a problem that has appeared in the error counters and can not
be found otherwise."
::= { dismanEventMIBNotifications 4 }
mteEventSetFailure NOTIFICATION-TYPE
OBJECTS { mteHotTrigger,
mteHotTargetName,
mteHotContextName,
mteHotOID,
mteFailedReason }
STATUS current
DESCRIPTION
"Notification that an attempt to do a set in response to an
event has failed.
The network manager must enable this notification only with
a certain fear and trembling, as it can easily crowd out more
important information. It should be used only to help diagnose
a problem that has appeared in the error counters and can not
be found otherwise."
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::= { dismanEventMIBNotifications 5 }
--
-- Conformance
--
dismanEventMIBConformance OBJECT IDENTIFIER ::= { dismanEventMIB 3 }
dismanEventMIBCompliances OBJECT IDENTIFIER ::= { dismanEventMIBConformance
1 }
dismanEventMIBGroups OBJECT IDENTIFIER ::= { dismanEventMIBConformance
2 }
-- Compliance
dismanEventMIBCompliance MODULE-COMPLIANCE
STATUS current
DESCRIPTION
"The compliance statement for entities which implement
the Event MIB."
MODULE -- this module
MANDATORY-GROUPS {
dismanEventResourceGroup,
dismanEventTriggerGroup,
dismanEventObjectsGroup,
dismanEventEventGroup,
dismanEventNotificationObjectGroup,
dismanEventNotificationGroup
}
OBJECT mteTriggerTargetTag
MIN-ACCESS read-only
DESCRIPTION
"Write access is not required, thus limiting
monitoring to the local system or preconfigured
remote systems."
OBJECT mteEventSetTargetTag
MIN-ACCESS read-only
DESCRIPTION
"Write access is not required, thus limiting
setting to the local system or preconfigured
remote systems."
OBJECT mteTriggerValueIDWildcard
MIN-ACCESS read-only
DESCRIPTION
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"Write access is not required, thus allowing
the system not to implement wildcarding."
OBJECT mteTriggerContextNameWildcard
MIN-ACCESS read-only
DESCRIPTION
"Write access is not required, thus allowing
the system not to implement wildcarding."
OBJECT mteObjectsIDWildcard
MIN-ACCESS read-only
DESCRIPTION
"Write access is not required, thus allowing
the system not to implement wildcarding."
OBJECT mteEventSetContextNameWildcard
MIN-ACCESS read-only
DESCRIPTION
"Write access is not required, thus allowing
the system not to implement wildcarding."
::= { dismanEventMIBCompliances 1 }
-- Units of Conformance
dismanEventResourceGroup OBJECT-GROUP
OBJECTS {
mteResourceSampleMinimum,
mteResourceSampleInstanceMaximum,
mteResourceSampleInstances,
mteResourceSampleInstancesHigh,
mteResourceSampleInstanceLacks
}
STATUS current
DESCRIPTION
"Event resource status and control objects."
::= { dismanEventMIBGroups 1 }
dismanEventTriggerGroup OBJECT-GROUP
OBJECTS {
mteTriggerFailures,
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mteTriggerComment,
mteTriggerTest,
mteTriggerSampleType,
mteTriggerValueID,
mteTriggerValueIDWildcard,
mteTriggerTargetTag,
mteTriggerContextName,
mteTriggerContextNameWildcard,
mteTriggerFrequency,
mteTriggerObjectsOwner,
mteTriggerObjects,
mteTriggerEnabled,
mteTriggerEntryStatus,
mteTriggerDeltaDiscontinuityID,
mteTriggerDeltaDiscontinuityIDWildcard,
mteTriggerDeltaDiscontinuityIDType,
mteTriggerExistenceTest,
mteTriggerExistenceStartup,
mteTriggerExistenceObjectsOwner,
mteTriggerExistenceObjects,
mteTriggerExistenceEventOwner,
mteTriggerExistenceEvent,
mteTriggerBooleanComparison,
mteTriggerBooleanValue,
mteTriggerBooleanStartup,
mteTriggerBooleanObjectsOwner,
mteTriggerBooleanObjects,
mteTriggerBooleanEventOwner,
mteTriggerBooleanEvent,
mteTriggerThresholdValue,
mteTriggerThresholdStartup,
mteTriggerThresholdObjectsOwner,
mteTriggerThresholdObjects,
mteTriggerThresholdRising,
mteTriggerThresholdFalling,
mteTriggerThresholdRisingEventOwner,
mteTriggerThresholdRisingEvent,
mteTriggerThresholdFallingEventOwner,
mteTriggerThresholdFallingEvent
}
STATUS current
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DESCRIPTION
"Event triggers."
::= { dismanEventMIBGroups 2 }
dismanEventObjectsGroup OBJECT-GROUP
OBJECTS {
mteObjectsID,
mteObjectsIDWildcard,
mteObjectsEntryStatus
}
STATUS current
DESCRIPTION
"Supplemental objects."
::= { dismanEventMIBGroups 3 }
dismanEventEventGroup OBJECT-GROUP
OBJECTS {
mteEventFailures,
mteEventComment,
mteEventActions,
mteEventEnabled,
mteEventEntryStatus,
mteEventNotification,
mteEventNotificationObjectsOwner,
mteEventNotificationObjects,
mteEventSetObject,
mteEventSetObjectWildcard,
mteEventSetValue,
mteEventSetTargetTag,
mteEventSetContextName,
mteEventSetContextNameWildcard
}
STATUS current
DESCRIPTION
"Events."
::= { dismanEventMIBGroups 4 }
dismanEventNotificationObjectGroup OBJECT-GROUP
OBJECTS {
mteHotTrigger,
mteHotTargetName,
mteHotContextName,
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mteHotOID,
mteHotValue,
mteFailedReason
}
STATUS current
DESCRIPTION
"Notification objects."
::= { dismanEventMIBGroups 5 }
dismanEventNotificationGroup NOTIFICATION-GROUP
NOTIFICATIONS {
mteTriggerFired,
mteTriggerRising,
mteTriggerFalling,
mteTriggerFailure,
mteEventSetFailure
}
STATUS current
DESCRIPTION
"Notifications."
::= { dismanEventMIBGroups 6 }
END
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9. Intellectual Property
The IETF takes no position regarding the validity or scope of any
intellectual property or other rights that might be claimed to pertain
to the implementation or use of the technology described in this
document or the extent to which any license under such rights might or
might not be available; neither does it represent that it has made any
effort to identify any such rights. Information on the IETF's
procedures with respect to rights in standards-track and standards-
related documentation can be found in BCP-11. Copies of claims of
rights made available for publication and any assurances of licenses to
be made available, or the result of an attempt made to obtain a general
license or permission for the use of such proprietary rights by
implementors or users of this specification can be obtained from the
IETF Secretariat.
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10. Acknowledgements
This MIB contains considerable contributions from the RMON MIB, the
Distributed Management Design Team (Andy Bierman, Maria Greene, Bob
Stewart, and Steve Waldbusser), the Distributed Management Working
Group, and colleagues at Cisco.
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11. References
[RFC2571] Harrington, D., Presuhn, R., and B. Wijnen, "An Architecture
for Describing SNMP Management Frameworks", RFC 2571, April
1999
[RFC1155] Rose, M., and K. McCloghrie, "Structure and Identification
of Management Information for TCP/IP-based Internets", STD
16, RFC 1155, May 1990
[RFC1212] Rose, M., and K. McCloghrie, "Concise MIB Definitions", STD
16, RFC 1212, March 1991
[RFC1215] M. Rose, "A Convention for Defining Traps for use with the
SNMP", RFC 1215, March 1991
[RFC2578] McCloghrie, K., Perkins, D., Schoenwaelder, J., Case, J.,
Rose, M., and S. Waldbusser, "Structure of Management
Information Version 2 (SMIv2)", STD 58, RFC 2578, April 1999
[RFC2579] McCloghrie, K., Perkins, D., Schoenwaelder, J., Case, J.,
Rose, M., and S. Waldbusser, "Textual Conventions for
SMIv2", STD 58, RFC 2579, April 1999
[RFC2580] McCloghrie, K., Perkins, D., Schoenwaelder, J., Case, J.,
Rose, M., and S. Waldbusser, "Conformance Statements for
SMIv2", STD 58, RFC 2580, April 1999
[RFC1157] Case, J., Fedor, M., Schoffstall, M., and J. Davin, "Simple
Network Management Protocol", STD 15, RFC 1157, May 1990.
[RFC1901] Case, J., McCloghrie, K., Rose, M., and S. Waldbusser,
"Introduction to Community-based SNMPv2", RFC 1901, January
1996.
[RFC1906] Case, J., McCloghrie, K., Rose, M., and S. Waldbusser,
"Transport Mappings for Version 2 of the Simple Network
Management Protocol (SNMPv2)", RFC 1906, January 1996.
[RFC2572] Case, J., Harrington D., Presuhn R., and B. Wijnen, "Message
Processing and Dispatching for the Simple Network Management
Protocol (SNMP)", RFC 2572, April 1999
[RFC2574] Blumenthal, U., and B. Wijnen, "User-based Security Model
(USM) for version 3 of the Simple Network Management
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Protocol (SNMPv3)", RFC 2574, April 1999
[RFC1905] Case, J., McCloghrie, K., Rose, M., and S. Waldbusser,
"Protocol Operations for Version 2 of the Simple Network
Management Protocol (SNMPv2)", RFC 1905, January 1996.
[RFC2573] Levi, D., Meyer, P., and B. Stewart, "SNMPv3 Applications",
RFC 2573, April 1999
[RFC2575] Wijnen, B., Presuhn, R., and K. McCloghrie, "View-based
Access Control Model (VACM) for the Simple Network
Management Protocol (SNMP)", RFC 2575, April 1999
[RFC2570] Case, J., Mundy, R., Partain, D., and B. Stewart,
"Introduction to Version 3 of the Internet-standard Network
Management Framework", RFC 2570, April 1999
[RFC1903] Case, J., McCloghrie, K., Rose, M. and S. Waldbusser,
"Coexistence between Version 1 and version 2 of the
Internet-standard Network Management Framework", RFC 1903,
January 1996.
[RFCEventMIB]
Stewart, B., "Event MIB", RFC ????, ?Month? 1999.
[RFC1757]
Waldbusser, S., "Remote Network Monitoring Management Information
Base", RFC 1757, February 1995.
[RFC1451]
Case, J., McCloghrie, K., Rose, M., Waldbusser, S., "Manager-to-
Manager Management Information Base", RFC 1451, April 1993.
[RFCExpressionMIB]
Stewart, B., "Expression MIB", RFC ????, ?Month? 1999.
[RFCNotificationLogMIB]
Stewart, B., "Notification Log MIB", RFC ????, ?Month? 1999.
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12. Security Considerations
Security issues are discussed in the Security section and in the
DESCRIPTION clauses of relevant objects.
13. Author's Address
Bob Stewart
Cisco Systems, Inc.
170 West Tasman Drive
San Jose, CA 95134-1706
U.S.A.
Phone: +1 408 526 4527
Email: bstewart@cisco.com
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14. Full Copyright Statement
Copyright (C) The Internet Society (1999). All Rights Reserved.
This document and translations of it may be copied and furnished to
others, and derivative works that comment on or otherwise explain it or
assist in its implementation may be prepared, copied, published and
distributed, in whole or in part, without restriction of any kind,
provided that the above copyright notice and this paragraph are included
on all such copies and derivative works. However, this document itself
may not be modified in any way, such as by removing the copyright notice
or references to the Internet Society or other Internet organizations,
except as needed for the purpose of developing Internet standards in
which case the procedures for copyrights defined in the Internet
Standards process must be followed, or as required to translate it into
languages other than English.
The limited permissions granted above are perpetual and will not be
revoked by the Internet Society or its successors or assigns.
This document and the information contained herein is provided on an "AS
IS" basis and THE INTERNET SOCIETY AND THE INTERNET ENGINEERING TASK
FORCE DISCLAIMS ALL WARRANTIES, EXPRESS OR IMPLIED, INCLUDING BUT NOT
LIMITED TO ANY WARRANTY THAT THE USE OF THE INFORMATION HEREIN WILL NOT
INFRINGE ANY RIGHTS OR ANY IMPLIED WARRANTIES OF MERCHANTABILITY OR
FITNESS FOR A PARTICULAR PURPOSE.
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Table of Contents
1 Abstract ........................................................ 2
2 The SNMP Management Framework ................................... 2
3 Overview ........................................................ 4
4 Relationship to Other MIBs ...................................... 4
5 MIB Sections .................................................... 4
6 Operation ....................................................... 5
7 Security ........................................................ 6
8 Definitions ..................................................... 8
9 Intellectual Property ........................................... 48
10 Acknowledgements ............................................... 49
11 References ..................................................... 50
12 Security Considerations ........................................ 52
13 Author's Address ............................................... 52
14 Full Copyright Statement ....................................... 53
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