Internet Draft Mark Bakke
<draft-ietf-ips-iscsi-mib-03.txt> Jim Muchow
Expires April 2002 Cisco Systems
Marjorie Krueger
Hewlett-Packard
Tom McSweeney
IBM
October 2001
Definitions of Managed Objects for iSCSI
1. 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.
1.1. Copyright Notice
Copyright (C) The Internet Society (2000). All Rights Reserved.
2. Abstract
This memo defines a portion of the Management Information Base (MIB)
for use with network management protocols in TCP/IP based internets.
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In particular it defines objects for managing a client using the
iSCSI (SCSI over TCP) protocol. It is meant to match the latest
version of iSCSI defined in [ISCSI].
3. Acknowledgments
In addition to the authors, several people contributed to the
development of this MIB. Thanks especially to those who took the
time to participate in our weekly conference calls to build our
requirements, object models, table structures, and attributes: John
Hufferd, Tom McSweeney (IBM), Kevin Gibbons (Nishan Systems), Chad
Gregory (Intel), Jack Harwood (EMC), Hari Mudaliar (Adaptec), Ie Wei
Njoo (Agilent), Lawrence Lamers (SAN Valley), Satish Mali (Stonefly
Networks), and William Terrell (Troika).
Special thanks to Tom McSweeney, Ie Wei Njoo, and Kevin Gibbons, who
wrote the descriptions for many of the tables and attributes in this
MIB, and to Keith McCloghrie for serving as advisor to the team.
4. 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], STD 58, RFC 2579 [RFC2579] and
STD 58, 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
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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].
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.
All the MIB objects defined in this MIB have at most a read-only MAX-
ACCESS clause, i.e., none are writable. This is a conscious decision
by the working group to limit this MIB's scope. It is possible that
this restriction could be lifted after implementation experience, by
means of additional tables (using the AUGMENTS clause) for
configuration and extended entity information.
WORK - Update the above to reflect our writable attributes
5. Relationship to Other MIBs
The iSCSI MIB is layered between the SCSI MIB [SCSI-MIB] (work in
progress) and the TCP MIB [RFC2012], and provides attributes that can
be used to relate its objects to objects in the SCSI and TCP MIBs.
Each iSCSI initiator and target is related to one SCSI initiator or
target, and each iSCSI connection is related to one TCP connection.
6. Discussion
This MIB structure is intended to satisfy fault, performance, and
security management for an iSCSI implementation. It is structured
around the well-known iSCSI objects, such as targets, initiators,
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sessions, connections, and the like.
It is worthwhile to note that this is an iSCSI MIB and as such
reflects only iSCSI objects (real or virtual). This means that this
MIB will not directly deal with real SCSI objects or the SCSI
protocol in general. This are represented within the SCSI MIB (work
in progress)
The iSCSI MIB consists of eight "objects", each of which is
represented by one or more tables. This section contains a brief
description of the "object" hierarchy and a description of each
object, followed by a discussion of the actual SNMP table structure
within the objects.
6.1. iSCSI MIB Object Model
The top-level object in this structure is the iSCSI instance, which
"contains" all of the other objects.
iscsiInstance
-- A distinct iSCSI entity within the managed system.
-- Most implementations will have just one of these.
iscsiTargetPortal
-- An IP Address and TCP Port pair on which this instance is
-- listening for connections to its targets.
iscsiInitiatorPortal
-- An IP Address from which this instance can make connections
-- to other targets.
iscsiSession
-- An active iSCSI session between an initiator and a target.
-- The session's direction may be Inbound (outside initiator to
-- our target) or Outbound (our initiator to an outside target).
iscsiConnection
-- An active TCP connection within an iSCSI session
iscsiTarget
-- An iSCSI target to which this iSCSI instance is providing
-- access.
iscsiAccessList
-- A list of initiators that are allowed access to this
-- target.
iscsiInitiator
-- An iSCSI initiator, used by this iSCSI instance to access
-- iSCSI targets.
An Instance can contain Initiators, Targets, or both. Multiple
InitiatorPortals and TargetPortals may be present; the MIB assumes
that any Target may be accessed via any TargetPortal, although other
access controls not reflected in the MIB might limit this.
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Logical Units and LUNs are SCSI-level entities, which will be covered
in a separate SCSI MIB.
6.2. iSCSI MIB Table Structure
Each iSCSI "object" is comprised of one or more tables: an attributes
table, and zero or more statistics tables which augment the
attributes table. Since iSCSI is an evolving standard, it is much
cleaner to separate statistics and attributes into separate tables,
instead of putting them all into the same table. This allows
attributes and statistics to be added independently, without mixing
them and making them appear messy. In a few cases, there are
multiple categories of statistics that will likely grow; in this
case, an object will contain multiple statistics tables.
iscsiObjects
iscsiDescriptors
iscsiInstance
iscsiInstanceAttributesTable
iscsiInstanceSsnErrorStatsTable
-- Counts abnormal session terminations
iscsiTargetPortal
iscsiTgtPortalAttributesTable
iscsiInitiatorPortal
iscsiIntrPortalAttributesTable
iscsiSession
iscsiSessionAttributesTable
iscsiSessionStatsTable
-- Performance-related counts (total requests, responses, bytes)
iscsiSessionCxnErrorStatsTable
-- Counts digest errors, connection errors, etc.
iscsiConnection
iscsiConnectionAttributesTable
iscsiTarget
iscsiTargetAttributesTable
iscsiTargetLoginStatsTable
-- Counts successful and unsuccessful logins
iscsiTargetLogoutStatsTable
-- Counts normal and abnormal logouts
iscsiAccessList
iscsiAccessListAttributesTable
iscsiInitiator
iscsiInitiatorAttributesTable
iscsiInitiatorLoginStatsTable
-- Counts successful and unsuccessful logins
iscsiInitiatorLogoutStatsTable
-- Counts normal and abnormal logouts
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Note that this MIB does not attempt to count everything that could be
counted; it is designed to include only those counters that would be
useful for identifying performance, security, and fault problems from
a management station.
6.3. iscsiInstance
The iscsiInstanceAttributesTable is the primary table of the iSCSI
MIB. Every table entry in this MIB is "owned" by exactly one iSCSI
instance; all other table entries in the MIB include this table's
index as their primary index.
Most implementations will include just one iSCSI instance row in this
table. However, this table exists to allow for multiple virtual
instances. For example, many IP routing products now allow multiple
virtual routers. The iSCSI MIB has the same premise; a large system
could be "partitioned" into multiple, distinct virtual systems.
This also allows a single SNMP agent to represent multiple
subsystems, perhaps a set of stackable devices, each of which have
one or even more instances. In an iSCSI host, it allows multiple
vendors' implementations to co-exist under a single SNMP agent; each
could have its own instance.
A scalar predecessor of the table called the iscsiInstanceNumber
denotes the number of instances or rows in the
iscsiInstanceAttributesTable. Each row also contains similar "Number"
or instance counts for the various rows of the sub-tables that are
derived from this table.
The instance attributes include the iSCSI vendor and version, as well
as information on the last target or initiator at the other end of a
session that caused a session failure.
The iscsiInstanceSsnErrorStatsTable augments the attributes table,
and provides statistics on session failures due to digest,
connection, or iSCSI format errors.
6.4. iscsiTargetPortal
The iscsiTargetPortalAttributesTable lists local sockets on which the
iSCSI instance is listening for incoming connections to its targets.
This table contains the local IP address, TCP (or other protocol)
port, and IP protocol (for now, just TCP) on which the socket is
listening. It also includes a portal group aggregation tag; iSCSI
target ports within this instance sharing the same tag can contain
connections within the same session.
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This table will usually be empty for iSCSI instances that contain
only initiators (such as iSCSI host driver implementations).
6.5. iscsiInitiatorPortal
The iscsiInitiatorPortalAttributesTable lists the IP addresses from
which the iSCSI instance may initiate connections to other targets.
Each entry in this table contains a local IP address and IP protocol
(for now, just TCP), and a portal group aggregation tag, indicating
which portals an initiator may use together within a multiple-
connection session.
This table will usually be empty for iSCSI instances that contain
only targets (such as most iSCSI devices).
6.6. iscsiSession
The iscsiSessionAttributesTable contains a set of rows that list the
sessions known to be existing locally for each iSCSI instance.
The session type for each session indicates whether the session is
used for normal SCSI commands or for discovery using the SendTargets
text command.
The session direction for each session indicates whether it is an
Inbound Session or an Outbound Session. Inbound sessions are from
some other initiator to a target within this iSCSI instance; Outbound
sessions are from our initiator to a target outside this iSCSI
instance.
An inbound session may be correlated with its local target using the
iscsiSsnTarget attribute of the session; the InitiatorName indicates
the "other end", in some other entity.
Similarly, an outbound session may be associated with its local
initiator using the iscsiSsnInitiator; in this case, the TargetName
indicates the other end.
Many attributes may be negotiated when starting an iSCSI session.
Most of these attributes are included in the session object.
Some attributes, such as the integrity and authentication schemes,
have some standard values which can be extended by vendors to include
their own schemes. These contain an object identifier, rather than
the expected enumerated type, to allow these values to be extended by
other MIBs, such as a enterprise MIBs.
The iscsiSessionStatsTable includes statistics related to
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performance; counting iSCSI data bytes and PDUs.
For implementations that support error recovery without terminating a
session, the iscsiSessionCxnErrorStatsTable contains counters for the
numbers of digest and connection errors that have occurred within the
session.
6.7. iscsiConnection
The iscsiConnectionAttributesTable contains a list of active
connections within each session. It contains the IP addresses and
TCP (or other protocol) ports of both the local and remote side of
the connection. These may be used to locate other connection-related
information and statistics in the TCP MIB [RFC 2012].
The attributes table also contains a connection state. This state is
not meant to directly map to the state tables included within the
iSCSI specification; they are meant to be simplified, higher-level
definitions of connection state that provide information more useful
to a user or network manager.
No statistics are kept for connections.
6.8. iscsiTarget
The iscsiTargetAttributesTable contains a list of iSCSI targets which
may be accessed through the iSCSI instance. This table contains the
target's iSCSI Name, alias string, and some attributes used to
indicate the last failure that was (or should have been) sent as a
notification or trap.
This table is augmented by the iscsiTargetLoginStatsTable and the
iscsiTargetLogoutStatsTable, which count the numbers of normal and
abnormal logins and logouts to this target.
6.9. iscsiAccessList
The iscsiAccessListAttributesTable contains an entry for each
initiator that is allowed to access the target under which it
appears. If a target allows access to any initiator, an
AccessListAttributesEntry with the initiator's iSCSI name should be
used.
This table does not cover all possible access control schemes that a
vendor could implement. If access to an initiator cannot be
determined just by its iSCSI name, an implementation may either
include a single entry per target with the initiator name "iscsi", or
may choose to place no entries in this table.
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No statistics are provided for access list entries.
6.10. iscsiInitiator
The iscsiInitiatorAttributesTable contains a list of iSCSI initiators
which are used by this iSCSI instance to access targets. Most
implementations will include a single entry in this table, regardless
of the number of physical interfaces the initiator may use. This
table's attributes include the initiator's iSCSI name and alias
string.
This table is augmented by the iscsiInitiatorLoginStatsTable and the
iscsiInitiatorLogoutStatsTable, which count the numbers of normal and
abnormal logins and logouts to this target.
6.11. IP Addresses and TCP Port Numbers
The IP addresses in this MIB are represented by two attributes, one
of type InetAddressType, and the other of type InetAddress. These
are taken from [IPV6MIB], which is an update to [RFC2851] specifying
how to support addresses that may be either IPv4 or IPv6.
The TCP port numbers that appear in a few of the structures are
described as simply port numbers, with a protocol attribute
indicating whether they are TCP ports, or something else. This will
allow the MIB to be compatible with iSCSI over transports other than
TCP in the future.
6.12. Descriptors: Using OIDs in Place of Enumerated Types
The iSCSI MIB has a few attributes, such as the authentication and
digest method attributes, where an enumerated type would work well,
except that an implementation may need to extend the attribute and
add types of its own. To make this work, the MIB defines a set of
object identities within iscsiDescriptors. Each of these object
identities is basically an enumerated type.
Attributes that make use of these object identities have a value
which is an OID instead of an enumerated type. These OIDs can either
indicate the object identities defined in this MIB, or object
identities defined elsewhere, such as in an enterprise MIB. Those
implementations that add their own authentication and digest methods
should also define a corresponding object identity for each of these
methods within their own enterprise MIB, and return its OID whenever
one of these attributes is using that method.
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6.13. Notifications
Three notifications are provided. One is sent by an initiator
detecting a critical login failure; another is sent by a target
detecting a critical login failure, and the third is sent upon a
session being terminated due to an abnormal connection or digest
failure. Critical failures are defined as those that may expose
security-related problems that may require immediate action, such as
failures due to authentication, authorization, or negotiation
problems. Attributes in the initiator, target, and instance objects
provide the information necessary to send in the notification, such
as the initiator or target name and IP address at the other end that
may have caused the failure.
To avoid sending an excessive number of notifications due to multiple
errors counted, an SNMP agent implementing the iSCSI MIB should not
send more than three iSCSI notifications in any 10-second period.
The 3-in-10 rule was chosen because one notification every three
seconds was deemed often enough, but should two or three different
notifications happen at the same time, it would not be desirable to
suppress them. Three notifications in ten seconds is a happy medium,
where a short burst of notifications is allowed, without inundating
the network and/or trap host with a large number of notifications.
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7. MIB Definitions
ISCSI-MIB DEFINITIONS ::= BEGIN
-- 10/24-2001 changes
-- 1) New Session Attributes
--
-- 2) still 1 TBDs buried below (just do a editor search)
IMPORTS
MODULE-IDENTITY, OBJECT-TYPE, OBJECT-IDENTITY, NOTIFICATION-TYPE,
Unsigned32, Counter32, Counter64, Gauge32,
experimental
FROM SNMPv2-SMI
TEXTUAL-CONVENTION, TruthValue, VariablePointer, TimeStamp,
AutonomousType
FROM SNMPv2-TC
MODULE-COMPLIANCE, OBJECT-GROUP, NOTIFICATION-GROUP
FROM SNMPv2-CONF
SnmpAdminString
FROM SNMP-FRAMEWORK-MIB -- RFC 2571
-- These are from draft-ietf-ops-rfc2851-update-00.txt
-- You will have to work out the details with your own
-- compiler being because they are so new.
InetAddressType, InetAddress
FROM INET-ADDRESS-MIB
;
iscsiModule MODULE-IDENTITY
LAST-UPDATED "000108160000Z"
ORGANIZATION "IETF IPS Working Group"
CONTACT-INFO
"
Mark Bakke
Postal: Cisco Systems, Inc
6450 Wedgwood Road, Suite 130
Maple Grove, MN
USA 55311
Tel: +1 763-398-1000
Fax: +1 763-398-1001
E-mail: mbakke@cisco.com
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Marjorie Krueger
Postal: Hewlett-Packard
Networked Storage Architecture
Networked Storage Solutions Org.
8000 Foothills Blvd.
Roseville, CA 95747
Tel: +1 916-785-2656
Tel: +1 916-785-0391
Email: marjorie_krueger@hp.com
Jim Muchow
Postal: Cisco Systems, Inc
6450 Wedgwood Road, Suite 130
Maple Grove, MN
USA 55311
Tel: +1 763-398-1000
Fax: +1 763-398-1001
E-mail: jmuchow@cisco.com"
DESCRIPTION
"The iSCSI Protocol MIB module."
REVISION "000108160000Z" -- August 16, 2001
DESCRIPTION
"Initial revision published as RFC xxxx."
::= { mib-2 xx } -- to be assigned by IANA.
-- ::= { experimental 9999 } -- in case you want to COMPILE
iscsiObjects OBJECT IDENTIFIER ::= { iscsiModule 1 }
iscsiNotifications OBJECT IDENTIFIER ::= { iscsiModule 2 }
iscsiConformance OBJECT IDENTIFIER ::= { iscsiModule 3 }
-- Textual Conventions
IscsiTransportProtocols ::= TEXTUAL-CONVENTION
DISPLAY-HINT "d"
STATUS current
DESCRIPTION
"This data type is used to define the transport
protocols that will carry iSCSI PDUs."
REFERENCE
"RFC791, RFC1700
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The presently known, officially delegated numbers
can be found at:
http://www.iana.org/assignments/protocol-numbers
"
SYNTAX INTEGER (0..255)
------------------------------------------------------------------------
iscsiDescriptors OBJECT IDENTIFIER ::= { iscsiObjects 1 }
iscsiHeaderIntegrityTypes OBJECT IDENTIFIER ::= { iscsiDescriptors 1 }
iscsiHdrIntegrityNone OBJECT-IDENTITY
STATUS current
DESCRIPTION
"The authoritative identifier when no integrity
scheme (for either the header or data) is being
used."
REFERENCE "iSCSI Protocol Specification."
::= { iscsiHeaderIntegrityTypes 1 }
iscsiHdrIntegrityCrc32c OBJECT-IDENTITY
STATUS current
DESCRIPTION
"The authoritative identifier when the integrity
scheme (for either the header or data) is CRC-32c."
REFERENCE "iSCSI Protocol Specification."
::= { iscsiHeaderIntegrityTypes 2 }
iscsiDataIntegrityTypes OBJECT IDENTIFIER ::= { iscsiDescriptors 2 }
iscsiDataIntegrityNone OBJECT-IDENTITY
STATUS current
DESCRIPTION
"The authoritative identifier when no integrity
scheme (for either the header or data) is being
used."
REFERENCE "iSCSI Protocol Specification."
::= { iscsiDataIntegrityTypes 1 }
iscsiDataIntegrityCrc32c OBJECT-IDENTITY
STATUS current
DESCRIPTION
"The authoritative identifier when the integrity
scheme (for either the header or data) is CRC-32c."
REFERENCE "iSCSI Protocol Specification."
::= { iscsiDataIntegrityTypes 2 }
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iscsiAuthMethodTypes OBJECT IDENTIFIER ::= { iscsiDescriptors 3 }
iscsiAuthMethodNone OBJECT-IDENTITY
STATUS current
DESCRIPTION
"The authoritative identifier when no authentication
method is use."
REFERENCE "iSCSI Protocol Specification."
::= { iscsiAuthMethodTypes 1 }
iscsiAuthMethodSrp OBJECT-IDENTITY
STATUS current
DESCRIPTION
"The authoritative identifier when the authentication
method is SRP."
REFERENCE "iSCSI Protocol Specification."
::= { iscsiAuthMethodTypes 2 }
iscsiAuthMethodChap OBJECT-IDENTITY
STATUS current
DESCRIPTION
"The authoritative identifier when the authentication
method is CHAP."
REFERENCE "iSCSI Protocol Specification."
::= { iscsiAuthMethodTypes 3 }
iscsiAuthMethodKrb5 OBJECT-IDENTITY
STATUS current
DESCRIPTION
"The authoritative identifier when the authentication
method is KRB-5."
REFERENCE "iSCSI Protocol Specification."
::= { iscsiAuthMethodTypes 4 }
iscsiAuthMethodSpkm1 OBJECT-IDENTITY
STATUS current
DESCRIPTION
"The authoritative identifier when the authentication
method is SPKM-1."
REFERENCE "iSCSI Protocol Specification."
::= { iscsiAuthMethodTypes 5 }
iscsiAuthMethodSpkm2 OBJECT-IDENTITY
STATUS current
DESCRIPTION
"The authoritative identifier when the authentication
method is SPKM-2."
REFERENCE "iSCSI Protocol Specification."
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::= { iscsiAuthMethodTypes 6 }
----------------------------------------------------------------------
iscsiInstance OBJECT IDENTIFIER ::= { iscsiObjects 2 }
iscsiInstanceNumber OBJECT-TYPE
SYNTAX Unsigned32
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The number of rows in the iscsiInstanceAttributesTable."
::= { iscsiInstance 1 }
-- Instance Attributes Table
iscsiInstanceAttributesTable OBJECT-TYPE
SYNTAX SEQUENCE OF IscsiInstanceAttributesEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"A list of iSCSI instances present on the system."
::= { iscsiInstance 2 }
iscsiInstanceAttributesEntry OBJECT-TYPE
SYNTAX IscsiInstanceAttributesEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"An entry (row) containing managment information applicable
to a particular iSCSI instance."
INDEX { iscsiInstIndex }
::= { iscsiInstanceAttributesTable 1 }
IscsiInstanceAttributesEntry ::= SEQUENCE {
iscsiInstIndex Unsigned32,
iscsiInstDescr SnmpAdminString,
iscsiInstVersionMin INTEGER,
iscsiInstVersionMax INTEGER,
iscsiInstVendorID SnmpAdminString,
iscsiInstVendorVersion SnmpAdminString,
iscsiInstTargetPortalNumber Unsigned32,
iscsiInstInitiatorPortalNumber Unsigned32,
iscsiInstSessionNumber Unsigned32,
iscsiInstTargetNumber Unsigned32,
iscsiInstInitiatorNumber Unsigned32,
iscsiInstSsnFailures Counter32,
iscsiInstLastSsnFailureType AutonomousType,
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iscsiInstLastSsnRmtNodeName SnmpAdminString
}
iscsiInstIndex OBJECT-TYPE
SYNTAX Unsigned32 (1..4294967295)
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"An arbitrary integer used to uniquely identify a particular
ISCSI instance."
::= { iscsiInstanceAttributesEntry 1 }
iscsiInstDescr OBJECT-TYPE
SYNTAX SnmpAdminString
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"An octet string, determined by the implementation to describe
the iSCSI instance. When only a single instance is present,
this object may be set to the zero-length string; with multiple
iSCSI instances, it may be used in an implementation-dependent
manner to describe the purpose of the respective instance."
::= { iscsiInstanceAttributesEntry 2 }
iscsiInstVersionMin OBJECT-TYPE
SYNTAX INTEGER (0..255)
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"Minimum version number of the iSCSI specification supported
by this instance."
::= { iscsiInstanceAttributesEntry 3 }
iscsiInstVersionMax OBJECT-TYPE
SYNTAX INTEGER (0..255)
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"Maximum version number of the iSCSI specification supported
by this instance."
::= { iscsiInstanceAttributesEntry 4 }
iscsiInstVendorID OBJECT-TYPE
SYNTAX SnmpAdminString
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"An octet string describing the manufacturer of the
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implementation of this instance."
::= { iscsiInstanceAttributesEntry 5 }
iscsiInstVendorVersion OBJECT-TYPE
SYNTAX SnmpAdminString
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"An octet string set by the manufacturer describing the verison
of the implementation of this instance. The format of this string
is determined solely by the manufacturer, and is for informational
purposes only. It is unrelated to the iSCSI specification version
numbers."
::= { iscsiInstanceAttributesEntry 6 }
iscsiInstTargetPortalNumber OBJECT-TYPE
SYNTAX Unsigned32 (1..4294967295)
UNITS "transport endpoints"
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The number of rows in the iscsiTargetPortalAttributesTable
which are currently associated with this iSCSI instance."
::= { iscsiInstanceAttributesEntry 7 }
iscsiInstInitiatorPortalNumber OBJECT-TYPE
SYNTAX Unsigned32 (1..4294967295)
UNITS "Internet Network Addresses"
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The number of rows in the iscsiIntrPortalAttributesTable
which are currently associated with this iSCSI instance."
::= { iscsiInstanceAttributesEntry 8 }
iscsiInstSessionNumber OBJECT-TYPE
SYNTAX Unsigned32 (1..4294967295)
UNITS "sessions"
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The number of rows in the iscsiSessionAttributesTable
which are currently associated with this iSCSI instance."
::= { iscsiInstanceAttributesEntry 9 }
iscsiInstTargetNumber OBJECT-TYPE
SYNTAX Unsigned32 (1..4294967295)
UNITS "targets"
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MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The number of rows in the iscsiTargetAttributesTable
which are currently associated with this iSCSI instance."
::= { iscsiInstanceAttributesEntry 10 }
iscsiInstInitiatorNumber OBJECT-TYPE
SYNTAX Unsigned32 (1..4294967295)
UNITS "initiators"
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The number of rows in the iscsiInitiatorAttributesTable
which are currently associated with this iSCSI instance."
::= { iscsiInstanceAttributesEntry 11 }
iscsiInstSsnFailures OBJECT-TYPE
SYNTAX Counter32
UNITS "sessions"
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"This object counts the number of times a session belonging
to this instance has been failed."
::= { iscsiInstanceAttributesEntry 12 }
iscsiInstLastSsnFailureType OBJECT-TYPE
SYNTAX AutonomousType
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The counter object in the iscsiInstSsnErrorStatsTable
that was incremented when the last session failure occurred.
If the reason for failure is not found in the
iscsiInstSsnErrorStatsTable, the value { 0.0 } is
used instead."
::= { iscsiInstanceAttributesEntry 13 }
iscsiInstLastSsnRmtNodeName OBJECT-TYPE
SYNTAX SnmpAdminString
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"An octet string describing the name of the remote node
from the failed session."
::= { iscsiInstanceAttributesEntry 14 }
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-- Instance Session Failure Stats Table
iscsiInstanceSsnErrorStatsTable OBJECT-TYPE
SYNTAX SEQUENCE OF IscsiInstanceSsnErrorStatsEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"A list of error types that will cause a session failure."
::= { iscsiInstance 3 }
iscsiInstanceSsnErrorStatsEntry OBJECT-TYPE
SYNTAX IscsiInstanceSsnErrorStatsEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"An entry (row) containing managment information applicable
to a particular iSCSI instance."
AUGMENTS { iscsiInstanceAttributesEntry }
::= { iscsiInstanceSsnErrorStatsTable 1 }
IscsiInstanceSsnErrorStatsEntry ::= SEQUENCE {
iscsiInstSsnDigestErrors Counter32,
iscsiInstSsnCxnTimeoutErrors Counter32,
iscsiInstSsnFormatErrors Counter32
}
iscsiInstSsnDigestErrors OBJECT-TYPE
SYNTAX Counter32
UNITS "sessions"
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The count of sessions which were failed due to receipt of a PDU
containing header or data digest errors."
::= { iscsiInstanceSsnErrorStatsEntry 1 }
iscsiInstSsnCxnTimeoutErrors OBJECT-TYPE
SYNTAX Counter32
UNITS "sessions"
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The count of sessions which were failed due to a sequence
exceeding a time limit."
::= { iscsiInstanceSsnErrorStatsEntry 2 }
iscsiInstSsnFormatErrors OBJECT-TYPE
SYNTAX Counter32
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UNITS "sessions"
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The count of sessions which were failed due to receipt of a PDU
which contained a format error."
::= { iscsiInstanceSsnErrorStatsEntry 3 }
----------------------------------------------------------------------
iscsiTargetPortal OBJECT IDENTIFIER ::= { iscsiObjects 3 }
-- Target Portal Attributes Table
iscsiTgtPortalAttributesTable OBJECT-TYPE
SYNTAX SEQUENCE OF IscsiTgtPortalAttributesEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"A list of transport endpoints (using TCP or another transport
protocol) on which this iSCSI instance listens for incoming
connections to its targets."
::= { iscsiTargetPortal 1 }
iscsiTgtPortalAttributesEntry OBJECT-TYPE
SYNTAX IscsiTgtPortalAttributesEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"An entry (row) containing managment information applicable
to a particular target portal instance."
INDEX { iscsiInstIndex, iscsiTgtPortalIndex }
::= { iscsiTgtPortalAttributesTable 1 }
IscsiTgtPortalAttributesEntry ::= SEQUENCE {
iscsiTgtPortalIndex Unsigned32,
iscsiTgtPortalAddrType InetAddressType,
iscsiTgtPortalAddr InetAddress,
iscsiTgtPortalProtocol IscsiTransportProtocols,
iscsiTgtPortalPort Unsigned32,
iscsiTgtPortalTag INTEGER
}
iscsiTgtPortalIndex OBJECT-TYPE
SYNTAX Unsigned32 (1..4294967295)
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
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"An arbitrary integer used to uniquely identify a particular
transport endpoint within this iSCSI instance."
::= { iscsiTgtPortalAttributesEntry 1 }
iscsiTgtPortalAddrType OBJECT-TYPE
SYNTAX InetAddressType
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The type of Internet Network Address in the iscsiTgtPortalAddr."
::= { iscsiTgtPortalAttributesEntry 2 }
iscsiTgtPortalAddr OBJECT-TYPE
SYNTAX InetAddress
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The portal's Internet Network Address."
::= { iscsiTgtPortalAttributesEntry 3 }
iscsiTgtPortalProtocol OBJECT-TYPE
SYNTAX IscsiTransportProtocols
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The portal's transport protocol."
DEFVAL { 6 } -- TCP
::= { iscsiTgtPortalAttributesEntry 4 }
iscsiTgtPortalPort OBJECT-TYPE
SYNTAX Unsigned32 (1..65535)
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The portal's transport protocol port number."
::= { iscsiTgtPortalAttributesEntry 5 }
iscsiTgtPortalTag OBJECT-TYPE
SYNTAX INTEGER (1..65535)
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The portal's aggregation tag. Multiple-connection
sessions may be aggregated over portals sharing an
identical aggregation tag."
::= { iscsiTgtPortalAttributesEntry 6 }
----------------------------------------------------------------------
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iscsiInitiatorPortal OBJECT IDENTIFIER ::= { iscsiObjects 4 }
-- Initiator Portal Attributes Table
iscsiIntrPortalAttributesTable OBJECT-TYPE
SYNTAX SEQUENCE OF IscsiIntrPortalAttributesEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"A list of Internet Network Addresses (using TCP or another
transport protocol) from which this iSCSI instance may
initiate connections to other targets."
::= { iscsiInitiatorPortal 1 }
iscsiIntrPortalAttributesEntry OBJECT-TYPE
SYNTAX IscsiIntrPortalAttributesEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"An entry (row) containing managment information applicable
to a particular initiator portal instance."
INDEX { iscsiInstIndex, iscsiIntrPortalIndex }
::= { iscsiIntrPortalAttributesTable 1 }
IscsiIntrPortalAttributesEntry ::= SEQUENCE {
iscsiIntrPortalIndex Unsigned32,
iscsiIntrPortalAddrType InetAddressType,
iscsiIntrPortalAddr InetAddress,
iscsiIntrPortalProtocol IscsiTransportProtocols,
iscsiIntrPortalTag INTEGER
}
iscsiIntrPortalIndex OBJECT-TYPE
SYNTAX Unsigned32 (1..4294967295)
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"An arbitrary integer used to uniquely identify a particular
initiator portal instance within an iSCSI instance present
on the node."
::= { iscsiIntrPortalAttributesEntry 1 }
iscsiIntrPortalAddrType OBJECT-TYPE
SYNTAX InetAddressType
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The type of Internet Network Address in iscsiIntrPortalAddr."
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::= { iscsiIntrPortalAttributesEntry 2 }
iscsiIntrPortalAddr OBJECT-TYPE
SYNTAX InetAddress
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The portal's Internet Network Address."
::= { iscsiIntrPortalAttributesEntry 3 }
iscsiIntrPortalProtocol OBJECT-TYPE
SYNTAX IscsiTransportProtocols
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The portal's transport protocol."
DEFVAL { 6 } -- TCP
::= { iscsiIntrPortalAttributesEntry 4 }
iscsiIntrPortalTag OBJECT-TYPE
SYNTAX INTEGER (1..65535)
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The portal's aggregation tag. Multiple-connection
sessions may be aggregated over portals sharing an
identical aggregation tag."
::= { iscsiIntrPortalAttributesEntry 6 }
----------------------------------------------------------------------
iscsiSession OBJECT IDENTIFIER ::= { iscsiObjects 5 }
-- Session Attributes Table
iscsiSessionAttributesTable OBJECT-TYPE
SYNTAX SEQUENCE OF IscsiSessionAttributesEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"A list of sessions belonging to each iSCSI instance
present on the system."
::= { iscsiSession 1 }
iscsiSessionAttributesEntry OBJECT-TYPE
SYNTAX IscsiSessionAttributesEntry
MAX-ACCESS not-accessible
STATUS current
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DESCRIPTION
"An entry (row) containing managment information applicable
to a particular session."
INDEX { iscsiInstIndex, iscsiSsnIndex }
::= { iscsiSessionAttributesTable 1 }
IscsiSessionAttributesEntry ::= SEQUENCE {
iscsiSsnIndex Unsigned32,
iscsiSsnDirection INTEGER,
iscsiSsnTarget VariablePointer,
iscsiSsnInitiatorName SnmpAdminString,
iscsiSsnInitiator VariablePointer,
iscsiSsnTargetName SnmpAdminString,
iscsiSsnTsid INTEGER,
iscsiSsnIsid INTEGER,
iscsiSsnInitiatorAlias SnmpAdminString,
iscsiSsnTargetAlias SnmpAdminString,
iscsiSsnInitialR2t TruthValue,
iscsiSsnBidiInitialR2t TruthValue,
iscsiSsnImmediateData TruthValue,
iscsiSsnType INTEGER,
iscsiSsnMaxOutstandingR2t INTEGER,
iscsiSsnDataPduLength INTEGER,
iscsiSsnFirstBurstSize INTEGER,
iscsiSsnMaxBurstSize INTEGER,
iscsiSsnConnectionNumber Gauge32,
iscsiSsnMaxConnections Gauge32,
iscsiSsnHeaderIntegrity AutonomousType,
iscsiSsnDataIntegrity AutonomousType,
iscsiSsnAuthMethod AutonomousType,
iscsiSsnDataSequenceInOrder TruthValue,
iscsiSsnDataPduInOrder TruthValue,
iscsiSsnLogoutLoginMaxTime INTEGER,
iscsiSsnErrorRecoveryLevel INTEGER
}
iscsiSsnIndex OBJECT-TYPE
SYNTAX Unsigned32 (1..4294967295)
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"An arbitrary integer used to uniquely identify a particular
session within an iSCSI instance present on the node."
::= { iscsiSessionAttributesEntry 1 }
iscsiSsnDirection OBJECT-TYPE
SYNTAX INTEGER {
inboundSession(1),
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outboundSession(2)
}
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"Direction of iSCSI session:
InboundSession - session is established from an external
initiator to a target within this iSCSI
instance.
OutboundSession - session is established from an initiator
within this iSCSI instance to an external
target."
::= { iscsiSessionAttributesEntry 2 }
iscsiSsnTarget OBJECT-TYPE
SYNTAX VariablePointer
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"If iscsiSsnDirection is Inbound, this object
will point to the appropriate row in the iscsiTarget
table.
If iscsiSsnDirection is Outbound, this object will
contain { 0.0 }."
::= { iscsiSessionAttributesEntry 3 }
iscsiSsnInitiatorName OBJECT-TYPE
SYNTAX SnmpAdminString
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"If iscsiSsnDirection is Inbound, this object is an
octet string that will contain the name of the remote
initiator.
If iscsiSsnDirection is Outbound, this object will
contain a zero-length string."
::= { iscsiSessionAttributesEntry 4 }
iscsiSsnInitiator OBJECT-TYPE
SYNTAX VariablePointer
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"If iscsiSsnDirection is Outbound, this object
will point to the appropriate row in the iscsiInitiator
table.
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If iscsiSsnDirection is Inbound, this object will
contain { 0.0 }."
::= { iscsiSessionAttributesEntry 5 }
iscsiSsnTargetName OBJECT-TYPE
SYNTAX SnmpAdminString
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"If iscsiSsnDirection is Outbound, this object is an
octet string that will contain the name of the remote
target.
If iscsiSsnDirection is Inbound, this object will
contain a zero-length string."
::= { iscsiSessionAttributesEntry 6 }
iscsiSsnTsid OBJECT-TYPE
SYNTAX INTEGER (1..65535)
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The target-defined portion of the iSCSI Session ID."
::= { iscsiSessionAttributesEntry 7 }
iscsiSsnIsid OBJECT-TYPE
SYNTAX INTEGER (1..65535)
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The initiator-defined portion of the iSCSI Session ID."
::= { iscsiSessionAttributesEntry 8 }
iscsiSsnInitiatorAlias OBJECT-TYPE
SYNTAX SnmpAdminString
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"An octet string that gives the alias communicated by the
initiator end of the session during the login phase.
If no alias exists, the value is a zero-length string."
::= { iscsiSessionAttributesEntry 9 }
iscsiSsnTargetAlias OBJECT-TYPE
SYNTAX SnmpAdminString
MAX-ACCESS read-only
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STATUS current
DESCRIPTION
"An octet string that gives the alias communicated by the
target end of the session during the login phase.
If no alias exists, the value is a zero-length string."
::= { iscsiSessionAttributesEntry 10 }
iscsiSsnInitialR2t OBJECT-TYPE
SYNTAX TruthValue
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"If set to true, indicates that the initiator must wait
for an R2T before sending to the target. If set to false,
the initiator may send data immediately, within limits set
by iscsiSsnFirstBurstSize and the expected data transfer
length of the request.
Default is true."
::= { iscsiSessionAttributesEntry 11 }
iscsiSsnBidiInitialR2t OBJECT-TYPE
SYNTAX TruthValue
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"If set to true, indicates that the initiator must wait
for an R2T before sending data to the target within a
bi-directional (both read and write) request. If false,
the initiator may send unsolicited write data as part
of the request."
::= { iscsiSessionAttributesEntry 12 }
iscsiSsnImmediateData OBJECT-TYPE
SYNTAX TruthValue
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"Indicates whether the initiator and target have agreed to support
immediate commands on this session."
::= { iscsiSessionAttributesEntry 13 }
iscsiSsnType OBJECT-TYPE
SYNTAX INTEGER {
normalSession(1),
discoverySession(2)
}
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MAX-ACCESS read-only
STATUS current
DESCRIPTION
"Type of iSCSI session:
normalSession - session is a normal iSCSI session
discoverySession - session is being used only for discovery."
::= { iscsiSessionAttributesEntry 14 }
iscsiSsnMaxOutstandingR2t OBJECT-TYPE
SYNTAX INTEGER (1..65535)
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The maximum number of outstanding request-to-transmit
(R2T)s per task within this session."
::= { iscsiSessionAttributesEntry 15 }
iscsiSsnDataPduLength OBJECT-TYPE
SYNTAX INTEGER (0..33553920)
UNITS "bytes"
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The maximum data payload size supported for command
or data PDUs within this session.
Note that the size of reported in bytes even though
the negotiation is in 512k blocks."
::= { iscsiSessionAttributesEntry 16 }
iscsiSsnFirstBurstSize OBJECT-TYPE
SYNTAX INTEGER (0..8388480)
UNITS "bytes"
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The maximum length supported for unsolicited data sent
within this session.
Note that the size of reported in bytes even though
the negotiation is in 512k blocks."
::= { iscsiSessionAttributesEntry 17 }
iscsiSsnMaxBurstSize OBJECT-TYPE
SYNTAX INTEGER (0..33553920)
UNITS "bytes"
MAX-ACCESS read-only
STATUS current
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DESCRIPTION
"The maximum number of bytes which can be sent within
a single sequence of Data-In or Data-Out PDUs."
::= { iscsiSessionAttributesEntry 18 }
iscsiSsnConnectionNumber OBJECT-TYPE
SYNTAX Gauge32 (1..65535)
UNITS "connections"
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The number of transport protocol connections that currently
belong to this session."
::= { iscsiSessionAttributesEntry 19 }
iscsiSsnMaxConnections OBJECT-TYPE
SYNTAX Gauge32 (1..65535)
UNITS "connections"
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The maximum number of connections that will be allowed
within this session."
::= { iscsiSessionAttributesEntry 20 }
iscsiSsnHeaderIntegrity OBJECT-TYPE
SYNTAX AutonomousType
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"This object contains an OBJECT IDENTIFIER
which identifies the iSCSI header digest scheme
in use within this session.
Some standardized values for this object are defined
within the iscsiHeaderIntegrityTypes subtree."
::= { iscsiSessionAttributesEntry 21 }
iscsiSsnDataIntegrity OBJECT-TYPE
SYNTAX AutonomousType
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"This object contains an OBJECT IDENTIFIER
which identifies the iSCSI data digest scheme
in use within this session.
Some standardized values for this object are defined
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within the iscsiDataIntegrityTypes subtree."
::= { iscsiSessionAttributesEntry 22 }
iscsiSsnAuthMethod OBJECT-TYPE
SYNTAX AutonomousType
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"This object contains an OBJECT IDENTIFIER
which identifies the authentication method
being used on this session, as communicated
during the login phase.
Some standardized values for this object are defined
within the iscsiAuthMethods subtree."
::= { iscsiSessionAttributesEntry 23 }
iscsiSsnDataSequenceInOrder OBJECT-TYPE
SYNTAX TruthValue
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"False indicates that iSCSI data PDU sequences may
be transferred in any order. True indicates that
data PDU sequences must be tranferred using
continuously increasing offsets, except during
error recovery."
::= { iscsiSessionAttributesEntry 24 }
iscsiSsnDataPduInOrder OBJECT-TYPE
SYNTAX TruthValue
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"False indicates that iSCSI data PDUs within sequences
may be in any order. True indicates that data PDUs
within sequences must be at continuously increasing
addresses, with no gaps or overlay between PDUs.
Default is true."
::= { iscsiSessionAttributesEntry 25 }
iscsiSsnLogoutLoginMaxTime OBJECT-TYPE
SYNTAX INTEGER (2..2600)
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The time, in seconds, for which the target will
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keep connection and session state for possible
recovery after a connection termination or reset."
::= { iscsiSessionAttributesEntry 26 }
iscsiSsnErrorRecoveryLevel OBJECT-TYPE
SYNTAX INTEGER (0..255)
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The level of error recovery negotiated between
the initiator and the target. Higher numbers
represent more detailed recovery schemes."
::= { iscsiSessionAttributesEntry 27 }
-- Session Stats Table
iscsiSessionStatsTable OBJECT-TYPE
SYNTAX SEQUENCE OF IscsiSessionStatsEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"A list of general iSCSI traffic counters for each of the
sessions present on the system."
::= { iscsiSession 2 }
iscsiSessionStatsEntry OBJECT-TYPE
SYNTAX IscsiSessionStatsEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"An entry (row) containing general iSCSI traffic counters
for a particular session."
AUGMENTS { iscsiSessionAttributesEntry }
::= { iscsiSessionStatsTable 1 }
IscsiSessionStatsEntry ::= SEQUENCE {
iscsiSsnCmdPdus Counter32,
iscsiSsnRspPdus Counter32,
iscsiSsnTxDataOctets Counter64,
iscsiSsnRxDataOctets Counter64
}
iscsiSsnCmdPdus OBJECT-TYPE
SYNTAX Counter32
UNITS "PDUs"
MAX-ACCESS read-only
STATUS current
DESCRIPTION
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"The count of Command PDUs transferred on this session."
::= { iscsiSessionStatsEntry 1 }
iscsiSsnRspPdus OBJECT-TYPE
SYNTAX Counter32
UNITS "PDUs"
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The count of Response PDUs transferred on this session."
::= { iscsiSessionStatsEntry 2 }
iscsiSsnTxDataOctets OBJECT-TYPE
SYNTAX Counter64
UNITS "octets"
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The count of data octets that were transmitted by
the local iSCSI node on this session."
::= { iscsiSessionStatsEntry 3 }
iscsiSsnRxDataOctets OBJECT-TYPE
SYNTAX Counter64
UNITS "octets"
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The count of data octets that were received by
the local iSCSI node on this session."
::= { iscsiSessionStatsEntry 4 }
-- Session Connection Error Stats Table
iscsiSessionCxnErrorStatsTable OBJECT-TYPE
SYNTAX SEQUENCE OF IscsiSessionCxnErrorStatsEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"A list of error counters for each of the sessions
present on this system."
::= { iscsiSession 3 }
iscsiSessionCxnErrorStatsEntry OBJECT-TYPE
SYNTAX IscsiSessionCxnErrorStatsEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
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"An entry (row) containing error counters for
a particular session."
AUGMENTS { iscsiSessionAttributesEntry }
::= { iscsiSessionCxnErrorStatsTable 1 }
IscsiSessionCxnErrorStatsEntry ::= SEQUENCE {
iscsiSsnDigestErrors Counter32,
iscsiSsnCxnTimeoutErrors Counter32
}
iscsiSsnDigestErrors OBJECT-TYPE
SYNTAX Counter32
UNITS "PDUs"
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The count of PDUs which were received on the session and
contained header or data digest errors."
::= { iscsiSessionCxnErrorStatsEntry 1 }
iscsiSsnCxnTimeoutErrors OBJECT-TYPE
SYNTAX Counter32
UNITS "sequences"
MAX-ACCESS read-only
STATUS current
DESCRIPTION
-- TBD No resolution yet that I can remember
"This is the count of sequences which exceeded their
time limit."
::= { iscsiSessionCxnErrorStatsEntry 2 }
----------------------------------------------------------------------
iscsiConnection OBJECT IDENTIFIER ::= { iscsiObjects 6 }
-- Connection Attributes Table
iscsiConnectionAttributesTable OBJECT-TYPE
SYNTAX SEQUENCE OF IscsiConnectionAttributesEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"A list of connections belonging to each iSCSI instance
present on the system."
::= { iscsiConnection 1 }
iscsiConnectionAttributesEntry OBJECT-TYPE
SYNTAX IscsiConnectionAttributesEntry
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MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"An entry (row) containing managment information applicable
to a particular connection."
INDEX { iscsiInstIndex, iscsiSsnIndex, iscsiCxnIndex }
::= { iscsiConnectionAttributesTable 1 }
IscsiConnectionAttributesEntry ::= SEQUENCE {
iscsiCxnIndex Unsigned32,
iscsiCxnCid INTEGER,
iscsiCxnState INTEGER,
iscsiCxnLocalAddrType InetAddressType,
iscsiCxnLocalAddr InetAddress,
iscsiCxnProtocol IscsiTransportProtocols,
iscsiCxnLocalPort Unsigned32,
iscsiCxnRemoteAddrType InetAddressType,
iscsiCxnRemoteAddr InetAddress,
iscsiCxnRemotePort Unsigned32
}
iscsiCxnIndex OBJECT-TYPE
SYNTAX Unsigned32 (1..4294967295)
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"An arbitrary integer used to uniquely identify a particular
connection of a particular session within an iSCSI instance
present on the node."
::= { iscsiConnectionAttributesEntry 1 }
iscsiCxnCid OBJECT-TYPE
SYNTAX INTEGER (1..65535)
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The iSCSI Connection ID for this connection."
::= { iscsiConnectionAttributesEntry 2 }
iscsiCxnState OBJECT-TYPE
SYNTAX INTEGER {
login(1),
full(2),
logout(3)
}
MAX-ACCESS read-only
STATUS current
DESCRIPTION
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"The current state of this connection, from an iSCSI negotiation
point of view. Here are the states:
login - The transport protocol connection has been established,
but a valid iSCSI login response with the final bit set
has not been sent or received.
full - A valid iSCSI login response with the final bit set
has been sent or received.
logout - A valid iSCSI logout command has been sent or
received, but the transport protocol connection has
not yet been closed."
::= { iscsiConnectionAttributesEntry 3 }
iscsiCxnLocalAddrType OBJECT-TYPE
SYNTAX InetAddressType
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The type of Internet Network Address in iscsiCxnLocalAddr."
::= { iscsiConnectionAttributesEntry 4 }
iscsiCxnLocalAddr OBJECT-TYPE
SYNTAX InetAddress
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The local Internet Network Address used by this connection."
::= { iscsiConnectionAttributesEntry 5 }
iscsiCxnProtocol OBJECT-TYPE
SYNTAX IscsiTransportProtocols
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The transport protocol over which this connection is
running."
DEFVAL { 6 } -- TCP
::= { iscsiConnectionAttributesEntry 6 }
iscsiCxnLocalPort OBJECT-TYPE
SYNTAX Unsigned32
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The local transport protocol port used by this connection."
::= { iscsiConnectionAttributesEntry 7 }
iscsiCxnRemoteAddrType OBJECT-TYPE
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SYNTAX InetAddressType
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The type of Internet Network Address in iscsiCxnRemoteAddr."
::= { iscsiConnectionAttributesEntry 8 }
iscsiCxnRemoteAddr OBJECT-TYPE
SYNTAX InetAddress
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The remote Internet Network Address used by this connection."
::= { iscsiConnectionAttributesEntry 9 }
iscsiCxnRemotePort OBJECT-TYPE
SYNTAX Unsigned32
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The remote transport protocol port used by this connection."
::= { iscsiConnectionAttributesEntry 10 }
----------------------------------------------------------------------
iscsiTarget OBJECT IDENTIFIER ::= { iscsiObjects 7 }
-- Target Attributes Table
iscsiTargetAttributesTable OBJECT-TYPE
SYNTAX SEQUENCE OF IscsiTargetAttributesEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"A list of targets belonging to each iSCSI instance
present on the system."
::= { iscsiTarget 1 }
iscsiTargetAttributesEntry OBJECT-TYPE
SYNTAX IscsiTargetAttributesEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"An entry (row) containing managment information applicable
to a particular target."
INDEX { iscsiInstIndex, iscsiTgtIndex }
::= { iscsiTargetAttributesTable 1 }
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IscsiTargetAttributesEntry ::= SEQUENCE {
iscsiTgtIndex Unsigned32,
iscsiTgtName SnmpAdminString,
iscsiTgtAlias SnmpAdminString,
iscsiTgtLoginFailures Counter32,
iscsiTgtLastFailureTime TimeStamp,
iscsiTgtLastFailureType AutonomousType,
iscsiTgtLastIntrFailureName SnmpAdminString,
iscsiTgtLastIntrFailureAddrType InetAddressType,
iscsiTgtLastIntrFailureAddr InetAddress
}
iscsiTgtIndex OBJECT-TYPE
SYNTAX Unsigned32 (1..4294967295)
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"An arbitrary integer used to uniquely identify a particular
target within an iSCSI instance present on the node."
::= { iscsiTargetAttributesEntry 1 }
iscsiTgtName OBJECT-TYPE
SYNTAX SnmpAdminString
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"A character string that is a globally unique identifier for
this target. The target name is independent of the location
of the target, and can be resolved into a set of addresses
through various discovery services."
::= { iscsiTargetAttributesEntry 2 }
iscsiTgtAlias OBJECT-TYPE
SYNTAX SnmpAdminString
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"An character string that is a human-readable name or description
of the target. If configured, this alias may be communicated
to the initiator during a Login Response message. This string
is not used as an identifier, but can be displayed by the
initiator's user interface in a list of targets to which it
is connected.
If no alias is configured, this object is a zero-length
string."
::= { iscsiTargetAttributesEntry 3 }
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iscsiTgtLoginFailures OBJECT-TYPE
SYNTAX Counter32
UNITS "failed login attempts"
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"This object counts the number of times a login attempt to this
local target has failed."
::= { iscsiTargetAttributesEntry 4 }
iscsiTgtLastFailureTime OBJECT-TYPE
SYNTAX TimeStamp
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The timestamp of the most recent failure of a login attempt
to this target. A value of zero indicates that no such
failures have occurred."
::= { iscsiTargetAttributesEntry 5 }
iscsiTgtLastFailureType OBJECT-TYPE
SYNTAX AutonomousType
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The type of the most recent failure of a login attempt
to this target, represented as the OID of the counter
object in iscsiTargetLoginStatsTable for which the
relevant instance was incremented. A value of 0.0
indicates a type which is not represented by any of
the counters in iscsiTargetLoginStatsTable."
::= { iscsiTargetAttributesEntry 6 }
iscsiTgtLastIntrFailureName OBJECT-TYPE
SYNTAX SnmpAdminString
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"An octet string giving the name of the initiator
that failed the last login attempt."
::= { iscsiTargetAttributesEntry 7 }
iscsiTgtLastIntrFailureAddrType OBJECT-TYPE
SYNTAX InetAddressType
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The type of Internet Network Address in
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iscsiTgtLastIntrFailureAddr."
::= { iscsiTargetAttributesEntry 8 }
iscsiTgtLastIntrFailureAddr OBJECT-TYPE
SYNTAX InetAddress
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"An Internet Network Address giving the host address
of the initiator that failed the last login attempt."
::= { iscsiTargetAttributesEntry 9 }
-- Target Login Stats Table
iscsiTargetLoginStatsTable OBJECT-TYPE
SYNTAX SEQUENCE OF IscsiTargetLoginStatsEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"A table of counters which keep a record of the results
of initiators' login attempts to this target."
::= { iscsiTarget 2 }
iscsiTargetLoginStatsEntry OBJECT-TYPE
SYNTAX IscsiTargetLoginStatsEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"An entry (row) containing counters for each result of
a login attempt to this target."
AUGMENTS { iscsiTargetAttributesEntry }
::= { iscsiTargetLoginStatsTable 1 }
IscsiTargetLoginStatsEntry ::= SEQUENCE {
iscsiTgtLoginAccepts Counter32,
iscsiTgtLoginOtherFails Counter32,
iscsiTgtLoginRedirects Counter32,
iscsiTgtLoginAuthorizeFails Counter32,
iscsiTgtLoginAuthenticateFails Counter32,
iscsiTgtLoginNegotiateFails Counter32
}
iscsiTgtLoginAccepts OBJECT-TYPE
SYNTAX Counter32
UNITS "successful logins"
MAX-ACCESS read-only
STATUS current
DESCRIPTION
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"The count of Login Response PDUs with status
0x0000, Accept Login, transmitted by this
target."
::= { iscsiTargetLoginStatsEntry 1 }
iscsiTgtLoginOtherFails OBJECT-TYPE
SYNTAX Counter32
UNITS "failed logins"
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The number of Login Response PDUs which were transmitted
by this target, and which were not counted by any other
object in the row."
::= { iscsiTargetLoginStatsEntry 3 }
iscsiTgtLoginRedirects OBJECT-TYPE
SYNTAX Counter32
UNITS "failed logins"
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The count of Login Response PDUs with status class 0x01,
Redirection, transmitted by this target."
::= { iscsiTargetLoginStatsEntry 2 }
iscsiTgtLoginAuthorizeFails OBJECT-TYPE
SYNTAX Counter32
UNITS "failed logins"
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The count of Login Response PDUs with status 0x0202,
Forbidden Target, transmitted by this target.
If this counter is incremented, an iscsiTgtLoginFailure
notification should be generated."
::= { iscsiTargetLoginStatsEntry 4 }
iscsiTgtLoginAuthenticateFails OBJECT-TYPE
SYNTAX Counter32
UNITS "failed logins"
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The count of Login Response PDUs with status 0x0201,
Authentication Failed, transmitted by this target
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If this counter is incremented, an iscsiTgtLoginFailure
notification should be generated."
::= { iscsiTargetLoginStatsEntry 5 }
iscsiTgtLoginNegotiateFails OBJECT-TYPE
SYNTAX Counter32
UNITS "failed logins"
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The number of times a target has effectively refused a
login because the parameter negotiation failed.
[Ed. While this situation can occur, the exact mechanism
is as yet undefined in the iSCSI Protocol Spec.]
If this counter is incremented, an iscsiTgtLoginFailure
notification should be generated."
::= { iscsiTargetLoginStatsEntry 6 }
-- Target Logout Stats Table
iscsiTargetLogoutStatsTable OBJECT-TYPE
SYNTAX SEQUENCE OF IscsiTargetLogoutStatsEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"When a target receives a Logout command, it responds
with a Logout Response that carries a status code.
This table contains counters for both normal and
abnormal logout requests received by this target."
::= { iscsiTarget 3 }
iscsiTargetLogoutStatsEntry OBJECT-TYPE
SYNTAX IscsiTargetLogoutStatsEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"An entry (row) containing counters of Logout Response
PDUs that were received by this target."
AUGMENTS { iscsiTargetAttributesEntry }
::= { iscsiTargetLogoutStatsTable 1 }
IscsiTargetLogoutStatsEntry ::= SEQUENCE {
iscsiTgtLogoutNormals Counter32,
iscsiTgtLogoutOthers Counter32
}
iscsiTgtLogoutNormals OBJECT-TYPE
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SYNTAX Counter32
UNITS "normal logouts"
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The count of Logout Command PDUs received by this target,
with reason code 0 (closes the session)."
::= { iscsiTargetLogoutStatsEntry 1 }
iscsiTgtLogoutOthers OBJECT-TYPE
SYNTAX Counter32
UNITS "abnormal logouts"
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The count of Logout Command PDUs received by this target,
with any status code other than 0."
::= { iscsiTargetLogoutStatsEntry 2 }
----------------------------------------------------------------------
iscsiAccessList OBJECT IDENTIFIER ::= { iscsiObjects 8 }
-- Access List Attributes Table
iscsiAccessListAttributesTable OBJECT-TYPE
SYNTAX SEQUENCE OF IscsiAccessListAttributesEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"A list of iSCSI initiators which will be granted access
to iSCSI resources through targets within the iSCSI
instance."
::= { iscsiAccessList 1 }
iscsiAccessListAttributesEntry OBJECT-TYPE
SYNTAX IscsiAccessListAttributesEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"An entry (row) containing management information
applicable to an initiator which is known by a target
within an iSCSI instance on this node."
INDEX { iscsiInstIndex, iscsiTgtIndex, iscsiALIndex }
::= { iscsiAccessListAttributesTable 1 }
IscsiAccessListAttributesEntry ::= SEQUENCE {
iscsiALIndex Unsigned32,
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iscsiALInitiatorName SnmpAdminString
}
iscsiALIndex OBJECT-TYPE
SYNTAX Unsigned32 (1..4294967295)
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"An arbitrary integer used to uniquely identify a particular
Access List instance of a particular target within an
iSCSI instance present on the node."
::= { iscsiAccessListAttributesEntry 1 }
iscsiALInitiatorName OBJECT-TYPE
SYNTAX SnmpAdminString
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"An octet string that defines an initiator identified
by the <InitiatorName> key of the Login Command which will
be granted access. If this string has the value of 'iscsi',
then any initiator may access this target."
::= { iscsiAccessListAttributesEntry 2 }
----------------------------------------------------------------------
iscsiInitiator OBJECT IDENTIFIER ::= { iscsiObjects 9 }
-- Initiator Attributes Table
iscsiInitiatorAttributesTable OBJECT-TYPE
SYNTAX SEQUENCE OF IscsiInitiatorAttributesEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"A list of initiators belonging to each iSCSI instance
present on the system."
::= { iscsiInitiator 1 }
iscsiInitiatorAttributesEntry OBJECT-TYPE
SYNTAX IscsiInitiatorAttributesEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"An entry (row) containing managment information applicable
to a particular initiator."
INDEX { iscsiInstIndex, iscsiIntrIndex }
::= { iscsiInitiatorAttributesTable 1 }
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IscsiInitiatorAttributesEntry ::= SEQUENCE {
iscsiIntrIndex Unsigned32,
iscsiIntrName SnmpAdminString,
iscsiIntrAlias SnmpAdminString,
iscsiIntrLoginFailures Counter32,
iscsiIntrLastFailureTime TimeStamp,
iscsiIntrLastFailureType AutonomousType,
iscsiIntrLastTgtFailureName SnmpAdminString,
iscsiIntrLastTgtFailureAddrType InetAddressType,
iscsiIntrLastTgtFailureAddr InetAddress
}
iscsiIntrIndex OBJECT-TYPE
SYNTAX Unsigned32 (1..4294967295)
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"An arbitrary integer used to uniquely identify a particular
initiator within an iSCSI instance present on the
node."
::= { iscsiInitiatorAttributesEntry 1 }
iscsiIntrName OBJECT-TYPE
SYNTAX SnmpAdminString
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"A character string that is a globally unique identifier for
this initiator. The initiator name is independent of the
location of the initiator."
::= { iscsiInitiatorAttributesEntry 2 }
iscsiIntrAlias OBJECT-TYPE
SYNTAX SnmpAdminString
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"A character string that is a human-readable name or description
of the initiator. If configured, this initiator alias may be
communicated to the target during a Login Request message.
This string is not used as an identifier, but can be displayed
by the target's user interface in a list of initiators to which
it is connected.
If no alias is configured, this object is a zero-length
string."
::= { iscsiInitiatorAttributesEntry 3 }
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iscsiIntrLoginFailures OBJECT-TYPE
SYNTAX Counter32
UNITS "failed logins"
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"This object counts the number of times a login attempt from this
local initiator has failed."
::= { iscsiInitiatorAttributesEntry 4 }
iscsiIntrLastFailureTime OBJECT-TYPE
SYNTAX TimeStamp
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The timestamp of the most recent failure of a login attempt
from this initiator. A value of zero indicates that no such
failures have occurred."
::= { iscsiInitiatorAttributesEntry 5 }
iscsiIntrLastFailureType OBJECT-TYPE
SYNTAX AutonomousType
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The type of the most recent failure of a login attempt
from this initiator, represented as the OID of the counter
object in iscsiInitiatorLoginStatsTable for which the
relevant instance was incremented. A value of 0.0
indicates a type which is not represented by any of
the counters in iscsiInitiatorLoginStatsTable."
::= { iscsiInitiatorAttributesEntry 6 }
iscsiIntrLastTgtFailureName OBJECT-TYPE
SYNTAX SnmpAdminString
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"An octet string giving the name of the target that failed
the last login attempt."
::= { iscsiInitiatorAttributesEntry 7 }
iscsiIntrLastTgtFailureAddrType OBJECT-TYPE
SYNTAX InetAddressType
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The type of Internet Network Address in iscsiIntrLastTgtFailureAddr."
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::= { iscsiInitiatorAttributesEntry 8 }
iscsiIntrLastTgtFailureAddr OBJECT-TYPE
SYNTAX InetAddress
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"An Internet Network Address giving the host address of the target
that failed the last login attempt."
::= { iscsiInitiatorAttributesEntry 9 }
-- Initiator Login Stats Table
iscsiInitiatorLoginStatsTable OBJECT-TYPE
SYNTAX SEQUENCE OF IscsiInitiatorLoginStatsEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"A table of counters which keep track of the results of
this initiator's login attempts."
::= { iscsiInitiator 2 }
iscsiInitiatorLoginStatsEntry OBJECT-TYPE
SYNTAX IscsiInitiatorLoginStatsEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"An entry (row) containing counters of each result
of this initiator's login attempts."
AUGMENTS { iscsiInitiatorAttributesEntry }
::= { iscsiInitiatorLoginStatsTable 1 }
IscsiInitiatorLoginStatsEntry ::= SEQUENCE {
iscsiIntrLoginAcceptRsps Counter32,
iscsiIntrLoginOtherFailRsps Counter32,
iscsiIntrLoginRedirectRsps Counter32,
iscsiIntrLoginAuthFailRsps Counter32,
iscsiIntrLoginAuthenticateFails Counter32,
iscsiIntrLoginNegotiateFails Counter32
}
iscsiIntrLoginAcceptRsps OBJECT-TYPE
SYNTAX Counter32
UNITS "successful logins"
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The count of Login Response PDUs with status
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0x0000, Accept Login, received by this initiator."
::= { iscsiInitiatorLoginStatsEntry 1 }
iscsiIntrLoginOtherFailRsps OBJECT-TYPE
SYNTAX Counter32
UNITS "failed logins"
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The count of Login Response PDUs received by this
initiator with any status code not counted in the
objects below."
::= { iscsiInitiatorLoginStatsEntry 2 }
iscsiIntrLoginRedirectRsps OBJECT-TYPE
SYNTAX Counter32
UNITS "failed logins"
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The count of Login Response PDUs with status class 0x01,
Redirection, received by this initiator."
::= { iscsiInitiatorLoginStatsEntry 3 }
iscsiIntrLoginAuthFailRsps OBJECT-TYPE
SYNTAX Counter32
UNITS "failed logins"
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The count of Login Response PDUs with status class 0x201,
Authentication Failed, received by this initiator."
::= { iscsiInitiatorLoginStatsEntry 4 }
iscsiIntrLoginAuthenticateFails OBJECT-TYPE
SYNTAX Counter32
UNITS "failed logins"
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The number of times the initiator has aborted a
login because the target could not be authenticated.
No response is generated.
If this counter is incremented, an iscsiIntrLoginFailure
notification should be generated."
::= { iscsiInitiatorLoginStatsEntry 5 }
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iscsiIntrLoginNegotiateFails OBJECT-TYPE
SYNTAX Counter32
UNITS "failed logins"
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The number of times the initiator has aborted a
login because parameter negotiation with the target
failed.
No response is generated.
If this counter is incremented, an iscsiIntrLoginFailure
notification should be generated."
::= { iscsiInitiatorLoginStatsEntry 6 }
-- Initiator Logout Stats Table
iscsiInitiatorLogoutStatsTable OBJECT-TYPE
SYNTAX SEQUENCE OF IscsiInitiatorLogoutStatsEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"When an initiator attempts send a Logout command, the target
responds with a Logout Response that carries a status code.
This table contains a list of counters of Logout Response
PDUs of each status code, that were received by each
initiator belonging to this iSCSI instance present on this
system."
::= { iscsiInitiator 3 }
iscsiInitiatorLogoutStatsEntry OBJECT-TYPE
SYNTAX IscsiInitiatorLogoutStatsEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"An entry (row) containing counters of Logout Response
PDUs of each status code, that were generated by this
initiator."
AUGMENTS { iscsiInitiatorAttributesEntry }
::= { iscsiInitiatorLogoutStatsTable 1 }
IscsiInitiatorLogoutStatsEntry ::= SEQUENCE {
iscsiIntrLogoutNormals Counter32,
iscsiIntrLogoutOthers Counter32
}
iscsiIntrLogoutNormals OBJECT-TYPE
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SYNTAX Counter32
UNITS "normal logouts"
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The count of Logout Command PDUs generated by this initiator
with reason code 0 (closes the session)."
::= { iscsiInitiatorLogoutStatsEntry 1 }
iscsiIntrLogoutOthers OBJECT-TYPE
SYNTAX Counter32
UNITS "abnormal logouts"
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The count of Logout Command PDUs generated by this initiator
with any status code other than 0."
::= { iscsiInitiatorLogoutStatsEntry 2 }
------------------------------------------------------------------------
-- Notifications
iscsiNotificationsPrefix OBJECT IDENTIFIER ::= { iscsiNotifications 0 }
iscsiTgtLoginFailure NOTIFICATION-TYPE
OBJECTS {
iscsiTgtLoginFailures,
iscsiTgtLastFailureType,
iscsiTgtLastIntrFailureName,
iscsiTgtLastIntrFailureAddrType,
iscsiTgtLastIntrFailureAddr
}
STATUS current
DESCRIPTION
"Sent when a login is failed by a target.
The implementation of this trap should not send more than
3 notifications of this type in any 10 second time span."
::= { iscsiNotificationsPrefix 1 }
iscsiIntrLoginFailure NOTIFICATION-TYPE
OBJECTS {
iscsiIntrLoginFailures,
iscsiIntrLastFailureType,
iscsiIntrLastTgtFailureName,
iscsiIntrLastTgtFailureAddrType,
iscsiIntrLastTgtFailureAddr
}
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STATUS current
DESCRIPTION
"Sent when a login is failed by a initiator.
The implementation of this trap should not send more than
3 notifications of this type in any 10 second time span."
::= { iscsiNotificationsPrefix 2 }
iscsiInstSessionFailure NOTIFICATION-TYPE
OBJECTS {
iscsiInstSsnFailures,
iscsiInstLastSsnFailureType,
iscsiInstLastSsnRmtNodeName
}
STATUS current
DESCRIPTION
"Sent when an active session is failed by either the initiator
or the target.
The implementation of this trap should not send more than
3 notifications of this type in any 10 second time span."
::= { iscsiNotificationsPrefix 3 }
------------------------------------------------------------------------
-- Conformance Statements
iscsiGroups OBJECT IDENTIFIER ::= { iscsiConformance 1 }
iscsiInstanceAttributesGroup OBJECT-GROUP
OBJECTS {
iscsiInstanceNumber,
iscsiInstDescr,
iscsiInstVersionMin,
iscsiInstVersionMax,
iscsiInstVendorID,
iscsiInstVendorVersion,
iscsiInstTargetPortalNumber,
iscsiInstInitiatorPortalNumber,
iscsiInstSessionNumber,
iscsiInstTargetNumber,
iscsiInstInitiatorNumber,
iscsiInstSsnFailures,
iscsiInstLastSsnFailureType,
iscsiInstLastSsnRmtNodeName
}
STATUS current
DESCRIPTION
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"A collection of objects providing information about iSCSI
instances."
::= { iscsiGroups 1 }
iscsiInstanceSsnErrorStatsGroup OBJECT-GROUP
OBJECTS {
iscsiInstSsnDigestErrors,
iscsiInstSsnCxnTimeoutErrors,
iscsiInstSsnFormatErrors
}
STATUS current
DESCRIPTION
"A collection of objects providing information about
errors that have caused a session failure for an
iSCSI instance."
::= { iscsiGroups 2 }
iscsiTgtPortalAttributesGroup OBJECT-GROUP
OBJECTS {
iscsiTgtPortalProtocol,
iscsiTgtPortalAddrType,
iscsiTgtPortalAddr,
iscsiTgtPortalPort,
iscsiTgtPortalTag
}
STATUS current
DESCRIPTION
"A collection of objects providing information about
the transport protocol endpoints of the local targets."
::= { iscsiGroups 3 }
iscsiIntrPortalAttributesGroup OBJECT-GROUP
OBJECTS {
iscsiIntrPortalProtocol,
iscsiIntrPortalAddrType,
iscsiIntrPortalAddr,
iscsiIntrPortalTag
}
STATUS current
DESCRIPTION
"A collection of objects providing information about
the Internet Network Addresses of the local initiators."
::= { iscsiGroups 4 }
iscsiSessionAttributesGroup OBJECT-GROUP
OBJECTS {
iscsiSsnDirection,
iscsiSsnTarget,
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iscsiSsnInitiatorName,
iscsiSsnInitiator,
iscsiSsnTargetName,
iscsiSsnTsid,
iscsiSsnIsid,
iscsiSsnInitiatorAlias,
iscsiSsnTargetAlias,
iscsiSsnInitialR2t,
iscsiSsnBidiInitialR2t,
iscsiSsnImmediateData,
iscsiSsnType,
iscsiSsnMaxOutstandingR2t,
iscsiSsnDataPduLength,
iscsiSsnFirstBurstSize,
iscsiSsnMaxBurstSize,
iscsiSsnConnectionNumber,
iscsiSsnMaxConnections,
iscsiSsnHeaderIntegrity,
iscsiSsnDataIntegrity,
iscsiSsnAuthMethod,
iscsiSsnDataSequenceInOrder,
iscsiSsnDataPduInOrder,
iscsiSsnLogoutLoginMaxTime,
iscsiSsnErrorRecoveryLevel
}
STATUS current
DESCRIPTION
"A collection of objects providing information applicable to
all sessions."
::= { iscsiGroups 5 }
iscsiSessionStatsGroup OBJECT-GROUP
OBJECTS {
iscsiSsnCmdPdus,
iscsiSsnRspPdus,
iscsiSsnTxDataOctets,
iscsiSsnRxDataOctets
}
STATUS current
DESCRIPTION
"A collection of objects providing information about message
and data traffic for all sessions."
::= { iscsiGroups 6 }
iscsiSessionCxnErrorStatsGroup OBJECT-GROUP
OBJECTS {
iscsiSsnDigestErrors,
iscsiSsnCxnTimeoutErrors
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}
STATUS current
DESCRIPTION
"A collection of objects providing information about connection
errors for all sessions."
::= { iscsiGroups 7 }
iscsiConnectionAttributesGroup OBJECT-GROUP
OBJECTS {
iscsiCxnCid,
iscsiCxnState,
iscsiCxnProtocol,
iscsiCxnLocalAddrType,
iscsiCxnLocalAddr,
iscsiCxnLocalPort,
iscsiCxnRemoteAddrType,
iscsiCxnRemoteAddr,
iscsiCxnRemotePort
}
STATUS current
DESCRIPTION
"A collection of objects providing information about all
connections used by all sessions."
::= { iscsiGroups 8 }
iscsiTargetAttributesGroup OBJECT-GROUP
OBJECTS {
iscsiTgtName,
iscsiTgtAlias,
iscsiTgtLoginFailures,
iscsiTgtLastFailureTime,
iscsiTgtLastFailureType,
iscsiTgtLastIntrFailureName,
iscsiTgtLastIntrFailureAddrType,
iscsiTgtLastIntrFailureAddr
}
STATUS current
DESCRIPTION
"A collection of objects providing information about all
local targets."
::= { iscsiGroups 9 }
iscsiTargetLoginStatsGroup OBJECT-GROUP
OBJECTS {
iscsiTgtLoginAccepts,
iscsiTgtLoginOtherFails,
iscsiTgtLoginRedirects,
iscsiTgtLoginAuthorizeFails,
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iscsiTgtLoginAuthenticateFails,
iscsiTgtLoginNegotiateFails
}
STATUS current
DESCRIPTION
"A collection of objects providing information about all
login attempts by remote initiators to local targets."
::= { iscsiGroups 10 }
iscsiTargetLogoutStatsGroup OBJECT-GROUP
OBJECTS {
iscsiTgtLogoutNormals,
iscsiTgtLogoutOthers
}
STATUS current
DESCRIPTION
"A collection of objects providing information about all
logout events between remote initiators to local targets."
::= { iscsiGroups 11 }
iscsiAccessListAttributesGroup OBJECT-GROUP
OBJECTS {
iscsiALInitiatorName
}
STATUS current
DESCRIPTION
"A collection of objects providing information about
all initiators to be granted access."
::= { iscsiGroups 12 }
iscsiInitiatorAttributesGroup OBJECT-GROUP
OBJECTS {
iscsiIntrName,
iscsiIntrAlias,
iscsiIntrLoginFailures,
iscsiIntrLastFailureTime,
iscsiIntrLastFailureType,
iscsiIntrLastTgtFailureName,
iscsiIntrLastTgtFailureAddrType,
iscsiIntrLastTgtFailureAddr
}
STATUS current
DESCRIPTION
"A collection of objects providing information about
all local initiators."
::= { iscsiGroups 13 }
iscsiInitiatorLoginStatsGroup OBJECT-GROUP
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OBJECTS {
iscsiIntrLoginAcceptRsps,
iscsiIntrLoginOtherFailRsps,
iscsiIntrLoginRedirectRsps,
iscsiIntrLoginAuthFailRsps,
iscsiIntrLoginAuthenticateFails,
iscsiIntrLoginNegotiateFails
}
STATUS current
DESCRIPTION
"A collection of objects providing information about all
login attempts by local initiators to remote targets."
::= { iscsiGroups 14 }
iscsiInitiatorLogoutStatsGroup OBJECT-GROUP
OBJECTS {
iscsiIntrLogoutNormals,
iscsiIntrLogoutOthers
}
STATUS current
DESCRIPTION
"A collection of objects providing information about all
logout events between local initiators to remote targets."
::= { iscsiGroups 15 }
iscsiTgtLgnNotificationsGroup NOTIFICATION-GROUP
NOTIFICATIONS {
iscsiTgtLoginFailure
}
STATUS current
DESCRIPTION
"A collection of notifications which indicate a login
failure from a remote initiator to a local target."
::= { iscsiGroups 16 }
iscsiIntrLgnNotificationsGroup NOTIFICATION-GROUP
NOTIFICATIONS {
iscsiIntrLoginFailure
}
STATUS current
DESCRIPTION
"A collection of notifications which indicate a login
failure from a local initiator to a remote target."
::= { iscsiGroups 17 }
iscsiSsnFlrNotificationsGroup NOTIFICATION-GROUP
NOTIFICATIONS {
iscsiInstSessionFailure
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}
STATUS current
DESCRIPTION
"A collection of notifications which indicate session
failures occurring after login."
::= { iscsiGroups 18 }
------------------------------------------------------------------------
iscsiCompliances OBJECT IDENTIFIER ::= { iscsiConformance 2 }
iscsiComplianceV1 MODULE-COMPLIANCE
STATUS current
DESCRIPTION
"Initial version of compliance statement based on
initial version of MIB.
If an implementation can be both a target and an
initiator, all groups are mandatory."
MODULE -- this module
MANDATORY-GROUPS {
iscsiInstanceAttributesGroup,
iscsiSessionAttributesGroup,
iscsiSessionStatsGroup,
iscsiSessionCxnErrorStatsGroup,
iscsiConnectionAttributesGroup,
iscsiSsnFlrNotificationsGroup
}
-- Conditionally mandatory groups to be included with
-- the mandatory groups when the implementation has
-- iSCSI target facilities.
GROUP iscsiTgtPortalAttributesGroup
DESCRIPTION
"This group is mandatory for all iSCSI implementations
that have iSCSI target facilities."
GROUP iscsiTargetAttributesGroup
DESCRIPTION
"This group is mandatory for all iSCSI implementations
that have iSCSI target facilities."
GROUP iscsiTargetLoginStatsGroup
DESCRIPTION
"This group is mandatory for all iSCSI implementations
that have iSCSI target facilities."
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GROUP iscsiTargetLogoutStatsGroup
DESCRIPTION
"This group is mandatory for all iSCSI implementations
that have iSCSI target facilities."
GROUP iscsiAccessListAttributesGroup
DESCRIPTION
"This group is mandatory for all iSCSI implementations
that have iSCSI target facilities."
GROUP iscsiTgtLgnNotificationsGroup
DESCRIPTION
"This group is mandatory for all iSCSI implementations
that have iSCSI target facilities."
-- Conditionally mandatory groups to be included with
-- the mandatory groups when the implementation has
-- iSCSI initiator facilities.
GROUP iscsiIntrPortalAttributesGroup
DESCRIPTION
"This group is mandatory for all iSCSI implementations
that have iSCSI initiator facilities."
GROUP iscsiInitiatorAttributesGroup
DESCRIPTION
"This group is mandatory for all iSCSI implementations
that have iSCSI initiator facilities."
GROUP iscsiInitiatorLoginStatsGroup
DESCRIPTION
"This group is mandatory for all iSCSI implementations
that have iSCSI initiator facilities."
GROUP iscsiInitiatorLogoutStatsGroup
DESCRIPTION
"This group is mandatory for all iSCSI implementations
that have iSCSI initiator facilities."
GROUP iscsiIntrLgnNotificationsGroup
DESCRIPTION
"This group is mandatory for all iSCSI implementations
that have iSCSI initiator facilities."
::= { iscsiCompliances 1 }
END
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8. Security Considerations
There are no management objects defined in this MIB that have a MAX-
ACCESS clause of read-write and/or read-create. So, if this MIB is
implemented correctly, then there is no risk that an intruder can
alter or create any management objects of this MIB via direct SNMP
SET operations.
Information gleaned from this MIB could be used to make connections
to the iSCSI targets it represents. However, it is the responsbility
of the initiators and targets involved to authenticate each other to
ensure that an inappropriately advertised or discovered initiator or
target does not compromise their security. These issues are
discussed in [ISCSI].
SNMPv1 by itself is not a secure environment. Even if the network
itself is secure (for example by using IPSec), even then, there is no
control as to who on the secure network is allowed to access and
GET/SET (read/change/create/delete) the objects in this MIB.
It is recommended that the implementers consider the security
features as provided by the SNMPv3 framework. Specifically, the use
of the User-based Security Model RFC 2574 [RFC2574] and the View-
based Access Control Model RFC 2575 [RFC2575] is recommended.
It is then a customer/user responsibility to ensure that the SNMP
entity giving access to an instance of this MIB, is properly
configured to give access to the objects only to those principals
(users) that have legitimate rights to indeed GET or SET
(change/create/delete) them.
9. References
[ISCSI] Satran, J., et. al., "iSCSI", draft-ietf-ips-iSCSI-08,
September 2001.
[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.
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Internet Draft iSCSI MIB October 2001
[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
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
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Management Framework", RFC 2570, April 1999.
[RFC2012] McCloghrie, K., "SNMPv2 Management Information Base for the
Transmission Control Protocol using SMIv2", RFC 2012,
November 1996.
[RFC2851] Daniele, M., et. al., "Textual Conventions for Internet
Network Addresses", RFC 2851, June 2000.
[IPV6MIB] Daniele, M., et. al., "Textual Conventions for Internet
Network Addresses", draft-ietf-ops-rfc2851-update-00.txt,
February 2001
10. Authors' Addresses
Mark Bakke
Postal: Cisco Systems, Inc
6450 Wedgwood Road, Suite 130
Maple Grove, MN
USA 55311
Tel: +1 763-398-1000
Fax: +1 763-398-1001
E-mail: mbakke@cisco.com
Marjorie Krueger
Postal: Hewlett-Packard
Networked Storage Architecture
Networked Storage Solutions Org.
8000 Foothills Blvd.
Roseville, CA
USA 95747
Tel: +1 916-785-2656
Tel: +1 916-785-0391
Email: marjorie_krueger@hp.com
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Tom McSweeney
Postal: IBM Corporation
600 Park Offices Drive
Research Triangle Park, NC
USA 27709
Tel: +1-919-254-5634
Fax: +1-919-254-0391
E-mail: rf42tpme@us.ibm.com
Jim Muchow
Postal: Cisco Systems, Inc
6450 Wedgwood Road, Suite 130
Maple Grove, MN
USA 55311
Tel: +1 763-398-1000
Fax: +1 763-398-1001
E-mail: jmuchow@cisco.com"
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