Network Working Group K. S. Teow

Network Working Group K. S. Teow
Request for Comments: 2837 Brocade Communications Systems, Inc.
Category: Standards Track May 2000

Definitions of Managed Objects
for the Fabric Element in Fibre Channel Standard

Status of this Memo

This document specifies an Internet standards track protocol for the
Internet community, and requests discussion and suggestions for
improvements. Please refer to the current edition of the "Internet
Official Protocol Standards" (STD 1) for the standardization state
and status of this protocol. Distribution of this memo is unlimited.

Copyright Notice

Copyright (C) The Internet Society (2000). All Rights Reserved.

Abstract

This memo defines an extension to the Management Information Base
(MIB) for use with network management protocols in TCP/IP-based
internets. In particular, it defines the objects for managing the
operations of the Fabric Element portion of the Fibre Channel
Standards.

Table of Contents

1. The SNMP Management Framework ..................................2
2. Overview .......................................................3
2.1 Management View of a Fabric Element ...........................4
2.2 Structure of the Fabric Element MIB ...........................5
3. Object Definitions .............................................6
The Configuration Group ......................................8
The Module Table ...........................................9
The FxPort Configuration Table ............................12
The Status Group ............................................16
The FxPort Status Table ...................................16
The FxPort Physical Level Table ...........................18
The FxPort Fabric Login Table .............................20
The Error Group .............................................24
The Accounting Groups........................................27
The Class 1 Accounting Table ..............................27
The Class 2 Accounting Table ..............................31
The Class 3 Accounting Table ..............................33
The Capability Group ........................................35

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Conformance information .....................................38
4. Security Considerations .......................................43
5. Intellectual Property .........................................44
6. Acknowledgements ..............................................44
7. References ....................................................45
7.1 IETF References ..............................................45
7.2 Approved ANSI/NCITS References ...............................46
7.3 ANSI/NCITS References Under Development ......................47
8. Editors' Addresses ............................................47
9. Full Copyright Statement ......................................48

1. The SNMP Management Framework

The SNMP Management Framework presently consists of five major
components:

o An overall architecture, described in RFC 2571 [1].

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 [2], STD 16, RFC 1212 [3] and RFC 1215 [4]. The
second version, called SMIv2, is described in STD 58, RFC 2578
[5], STD 58, RFC 2579 [6] and STD 58, RFC 2580 [7].

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 [8]. A second version of the SNMP
message protocol, which is not an Internet standards track
protocol, is called SNMPv2c and described in RFC 1901 [9] and RFC
1906 [10]. The third version of the message protocol is called
SNMPv3 and described in RFC 1906 [10], RFC 2572 [11] and RFC 2574
[12].

o Protocol operations for accessing management information. The
first set of protocol operations and associated PDU formats is
described in STD 15, RFC 1157 [8]. A second set of protocol
operations and associated PDU formats is described in RFC 1905
[13].

o A set of fundamental applications described in RFC 2573 [14] and
the view-based access control mechanism described in RFC 2575
[15].

A more detailed introduction to the current SNMP Management Framework
can be found in RFC 2570 [16].

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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.

2. Overview

A Fibre Channel Fabric is an entity which interconnects Node Ports
(N_Ports) or Node Loop Ports (NL_Ports). It provides transport and
routing functions. In essence, a Fabric is a network of N_Ports
and/or NL_Ports to communicate with one another. A Fabric is
composed of one or more Fabric Element that are interconnected via
Inter-element Links (IEL). A Fabric Element is the smallest unit of
a Fabric that meets the definition of a Fabric. It must consist of
at least three external ports to connect to either N_Ports, NL_Ports
or other Fabric Elements. In general, a Fabric Element port may be
of one of the following types:

(1) F_Port, a fabric port to connect to an N_Port ([17], [21], [22]);

(2) FL_Port, a fabric port that also supports a FC Arbitrated Loop
consisting of one or more NL_Ports ([20], [24]).

(3) E_Port, an expansion port to connect to another Fabric Element
([18], [23]);

This memo shall define objects related to a Fabric Element, its
F_Ports and FL_Ports. Objects related to other types of FC ports
shall be defined in future.

For the rest of the document, the term, "FxPort", will be used to
refer to both F_Port and FL_Port where the distinction is not
necessary. The term, "NxPort" will be used to refer to both N_Port
and NL_Port in the similar fashion.

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2.1. Management View of a Fabric Element

From the management perspective, it is helpful to view a Fabric
Element to be consisting of multiple "modules". Each module is a
grouping, either physical or logical, of one or more ports that may
be managed as a sub-entity within the Fabric Element.

This module mapping is recommended but optional. A vendor may elect
to put all ports into a single module, or to divide the ports into
modules that do not match physical divisions.

The object fcFeModuleCapacity indicates the maximum number of modules
that a given Fabric Element may contain. This value must remain
constant from one management restart to the next.

Each module is uniquely identified by a module number in the range of
1 through fcFeModuleCapacity inclusive. Modules may come and go
without causing a management reset (of sysUpTime), and may be
sparsely numbered within the Fabric Element. That is, the module
numbering is not required to be contiguous. For instance, if a
module is mapped physically to a field-replaceable card and in a 13-
card cage Fabric Element, cards 3, 5, 6 and 7 may be installed. The
vendor may choose to label them as modules 3, 5, 6 and 7
respectively. In this example, the value of fcFeModuleCapacity is
13. Note that the object fcFeModuleLastChange acts as the
discontinuity indicator for all counter objects in this MIB.

A Fabric Element may also provide a proxy management on behalf of
another management entity by presenting it as one of its Fabric
Element modules.

The object fcFeModuleFxPortCapacity indicates the maximum number of
ports that a given module may contain. The value of
fcFeModuleFxPortCapacity must not change for a given module.
However, a module may be deleted from the Fabric Element and replaced
with a module containing a different number of ports. The value of
fcFeModuleLastChange will indicate that a change took place.

Each port within the Fabric Element is uniquely identified by a
combination of module index and port index, where port index is an
integer in the range (1..fcFeModuleFxPortCapacity). As with modules
within a Fabric Element, ports within a module may be sparsely
numbered. That is the port numbering is not required to be
contiguous. Likewise, ports may come and go within a module without
causing a management reset.

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In terms of attachment, an F_Port will be attached to another N_Port;
and an FL_Port will be attached to one or up to 126 NL_Ports. In
general, an FxPort may be attached to one or more NxPorts. Each
NxPort associated with an FxPort will be uniquely identified by a
combination of module index, FxPort index and NxPort index. An
NxPort index is an integer in the range (1..126). The following
diagram illustrates the management view of a Fabric Element.

#=======================================================#
# +----------------- - - - -----------------+ #
# | Module 1 [1] . . . [i] | #
# +----------------- - - - -----------------+ #
# o o o #
# +---------------------- - - - --------+ #
# | Module M [1] . . . [n] | #
# +---------------------- - - - -----^--+ #
#=====================================|=================#
|
One or more NxPorts { [1] . . . [L] }<-+
- - - - - - - - -
where "i", "n", "M" and "L" are some arbitrary sample integer values,
and "L" must be less than 127.

2.2. Structure of the Fabric Element MIB

This memo assumes that a Fabric Element has an SNMP entity associated
with its managed objects. The managed objects are divided as follow:

- the Configuration group
- the Status group
- the Error group
- the Accounting group
- the Capability group

In each group, scalar objects and table entries are defined.

The Configuration group contains configuration and service parameters
for the Fabric Element, modules and the FxPorts.

The Operation group contains the operational status and parameters of
an FxPort. The group also contains the service parameters that have
been established between the FxPort and its attached NxPort, if
applicable.

The Error group contains counters tracking various types of errors
detected by each FxPort. The information may be used for diagnostics
and/or to derive the quality of the link between an FxPort and one or
more attached NxPorts.

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The Accounting group contains statistic data suitable for deriving
accounting and performance information.

The Capability group contains parameters indicating the inherent
capability of the Fabric Element and each FxPort.

3. Object Definitions

FIBRE-CHANNEL-FE-MIB DEFINITIONS ::= BEGIN
IMPORTS
MODULE-IDENTITY, OBJECT-TYPE,
Unsigned32, Counter32, Gauge32, Integer32, mib-2
FROM SNMPv2-SMI
TEXTUAL-CONVENTION, TruthValue, TimeStamp
FROM SNMPv2-TC
SnmpAdminString
FROM SNMP-FRAMEWORK-MIB -- rfc2571
MODULE-COMPLIANCE, OBJECT-GROUP
FROM SNMPv2-CONF;

fcFeMIB MODULE-IDENTITY
LAST-UPDATED "200005180000Z"
ORGANIZATION "IETF IPFC Working Group"
CONTACT-INFO "Kha Sin Teow
Brocade Communications Systems,
1901 Guadalupe Parkway,
San Jose, CA 95131
U.S.A
Tel: +1 408 487 8180
Fax: +1 408 487 8190
Email: [email protected]

WG Mailing list:[email protected]
To Subscribe: [email protected]
In Body: subscribe"

DESCRIPTION "The MIB module for Fibre Channel Fabric Element."
REVISION "200005180000Z"
DESCRIPTION "Initial revision, published as RFC 2837."
::= { mib-2 75 }

fcFeMIBObjects OBJECT IDENTIFIER ::= { fcFeMIB 1 }

-- Note:
-- fcFeMIBConformance OBJECT IDENTIFIER ::= { fcFeMIB 2 }
-- see at the end of the module

-- Groups under fcFeMIBObjects

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fcFeConfig OBJECT IDENTIFIER ::= { fcFeMIBObjects 1 }
fcFeStatus OBJECT IDENTIFIER ::= { fcFeMIBObjects 2 }
fcFeError OBJECT IDENTIFIER ::= { fcFeMIBObjects 3 }
fcFeAccounting OBJECT IDENTIFIER ::= { fcFeMIBObjects 4 }
fcFeCapabilities OBJECT IDENTIFIER ::= { fcFeMIBObjects 5 }

-- Textual Conventions
MilliSeconds ::= TEXTUAL-CONVENTION
STATUS current
DESCRIPTION "Represents time unit value in milliseconds."
SYNTAX Unsigned32

MicroSeconds ::= TEXTUAL-CONVENTION
STATUS current
DESCRIPTION "Represents time unit value in microseconds."
SYNTAX Unsigned32

FcNameId ::= TEXTUAL-CONVENTION
STATUS current
DESCRIPTION "Represents the Worldwide Name associated with
a Fibre Channel (FC) entity."
SYNTAX OCTET STRING (SIZE (8))

FcAddressId ::= TEXTUAL-CONVENTION
STATUS current
DESCRIPTION "Represents Fibre Channel Address ID, a 24-bit
value unique within the address space of a Fabric."
SYNTAX OCTET STRING (SIZE (3))

FcRxDataFieldSize ::= TEXTUAL-CONVENTION
STATUS current
DESCRIPTION "Represents the receive data field size of an
NxPort or FxPort."
SYNTAX Integer32 (128..2112)

FcBbCredit ::= TEXTUAL-CONVENTION
STATUS current
DESCRIPTION "Represents the buffer-to-buffer credit of an
NxPort or FxPort."
SYNTAX Integer32 (0..32767)

FcphVersion ::= TEXTUAL-CONVENTION
STATUS current
DESCRIPTION "Represents the version of FC-PH supported by an
NxPort or FxPort."
SYNTAX Integer32 (0..255)

FcStackedConnMode ::= TEXTUAL-CONVENTION

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STATUS current
DESCRIPTION "Represents an enumerated value used to indicate
the Class 1 Stacked Connect Mode supported by
an NxPort or FxPort."
SYNTAX INTEGER {
none(1),
transparent(2),
lockedDown(3)
}

FcCosCap ::= TEXTUAL-CONVENTION
STATUS current
DESCRIPTION "Represents the class of service capability of an
NxPort or FxPort."
SYNTAX BITS { classF(0), class1(1), class2(2), class3(3),
class4(4), class5(5), class6(6) }

FcFeModuleCapacity ::= TEXTUAL-CONVENTION
STATUS current
DESCRIPTION "Represents the maximum number of modules within
a Fabric Element."
SYNTAX Unsigned32

FcFeFxPortCapacity ::= TEXTUAL-CONVENTION
STATUS current
DESCRIPTION "Represents the maximum number of FxPorts within
a module."
SYNTAX Unsigned32

FcFeModuleIndex ::= TEXTUAL-CONVENTION
STATUS current
DESCRIPTION "Represents the module index within a conceptual table."
SYNTAX Unsigned32

FcFeFxPortIndex ::= TEXTUAL-CONVENTION
STATUS current
DESCRIPTION "Represents the FxPort index within a conceptual table."
SYNTAX Unsigned32

FcFeNxPortIndex ::= TEXTUAL-CONVENTION
STATUS current
DESCRIPTION "Represents the NxPort index within a conceptual table."
SYNTAX Integer32 (1..126)

FcBbCreditModel ::= TEXTUAL-CONVENTION
STATUS current
DESCRIPTION "Represents the BB_Credit model of an FxPort."
SYNTAX INTEGER { regular(1), alternate (2) }

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-- The Configuration group

-- This group consists of scalar objects and tables.
-- It contains the configuration and service parameters
-- of the Fabric Element and the FxPorts.
-- The group represents a set of parameters associated with
-- the Fabric Element or an FxPort to support its NxPorts.

fcFeFabricName OBJECT-TYPE
SYNTAX FcNameId
MAX-ACCESS read-write
STATUS current
DESCRIPTION
"The Name_Identifier of the Fabric to which this Fabric
Element belongs."
::= { fcFeConfig 1 }

fcFeElementName OBJECT-TYPE
SYNTAX FcNameId
MAX-ACCESS read-write
STATUS current
DESCRIPTION
"The Name_Identifier of the Fabric Element."
::= { fcFeConfig 2 }

fcFeModuleCapacity OBJECT-TYPE
SYNTAX FcFeModuleCapacity
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The maximum number of modules in the Fabric Element,
regardless of their current state."
::= { fcFeConfig 3 }

-- The Module Table.
-- This table contains one entry for each module,
-- information of the modules.

fcFeModuleTable OBJECT-TYPE
SYNTAX SEQUENCE OF FcFeModuleEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"A table that contains, one entry for each module in the
Fabric Element, information of the modules."
::= { fcFeConfig 4 }

fcFeModuleEntry OBJECT-TYPE

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SYNTAX FcFeModuleEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"An entry containing the configuration parameters of a
module."
INDEX { fcFeModuleIndex }
::= { fcFeModuleTable 1 }

FcFeModuleEntry ::=
SEQUENCE {
fcFeModuleIndex
FcFeModuleIndex,
fcFeModuleDescr
SnmpAdminString,
fcFeModuleObjectID
OBJECT IDENTIFIER,
fcFeModuleOperStatus
INTEGER,
fcFeModuleLastChange
TimeStamp,
fcFeModuleFxPortCapacity
FcFeFxPortCapacity,
fcFeModuleName
FcNameId
}

fcFeModuleIndex OBJECT-TYPE
SYNTAX FcFeModuleIndex
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"This object identifies the module within the Fabric Element
for which this entry contains information. This value is
never greater than fcFeModuleCapacity."
::= { fcFeModuleEntry 1 }

fcFeModuleDescr OBJECT-TYPE
SYNTAX SnmpAdminString
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"A textual description of the module. This value should
include the full name and version identification of the
module."
::= { fcFeModuleEntry 2 }

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fcFeModuleObjectID OBJECT-TYPE
SYNTAX OBJECT IDENTIFIER
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The vendor's authoritative identification of the module.
This value may be allocated within the SMI enterprises
subtree (1.3.6.1.4.1) and provides a straight-forward and
unambiguous means for determining what kind of module is
being managed.

For example, this object could take the value
1.3.6.1.4.1.99649.3.9 if vendor 'Neufe Inc.' was assigned
the subtree 1.3.6.1.4.1.99649, and had assigned the
identifier 1.3.6.1.4.1.99649.3.9 to its 'FeFiFo-16
PlugInCard.'"
::= { fcFeModuleEntry 3 }

fcFeModuleOperStatus OBJECT-TYPE
SYNTAX INTEGER {
online (1), -- functional
offline (2), -- not available
testing (3), -- under testing
faulty (4) -- defective
}
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"This object indicates the operational status of the module:
online(1) the module is functioning properly;
offline(2) the module is not available;
testing(3) the module is under testing; and
faulty(4) the module is defective in some way."
::= { fcFeModuleEntry 4 }

fcFeModuleLastChange OBJECT-TYPE
SYNTAX TimeStamp
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"This object contains the value of sysUpTime when the module
entered its current operational status. A value of zero
indicates that the operational status of the module has not
changed since the agent last restarted."
::= { fcFeModuleEntry 5 }

fcFeModuleFxPortCapacity OBJECT-TYPE
SYNTAX FcFeFxPortCapacity

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MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The number of FxPort that can be contained within the
module. Within each module, the ports are uniquely numbered
in the range from 1 to fcFeModuleFxPortCapacity inclusive.
However, the numbers are not required to be contiguous."
::= { fcFeModuleEntry 6 }

fcFeModuleName OBJECT-TYPE
SYNTAX FcNameId
MAX-ACCESS read-write
STATUS current
DESCRIPTION
"The Name_Identifier of the module."
::= { fcFeModuleEntry 7 }

-- the FxPort Configuration Table.
-- This table contains, one entry for each FxPort,
-- configuration parameters of the ports.

fcFxPortTable OBJECT-TYPE
SYNTAX SEQUENCE OF FcFxPortEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"A table that contains, one entry for each FxPort in the
Fabric Element, configuration and service parameters of the
FxPorts."
::= { fcFeConfig 5 }

fcFxPortEntry OBJECT-TYPE
SYNTAX FcFxPortEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"An entry containing the configuration and service parameters
of a FxPort."
INDEX { fcFeModuleIndex, fcFxPortIndex }
::= { fcFxPortTable 1 }

FcFxPortEntry ::=
SEQUENCE {
fcFxPortIndex
FcFeFxPortIndex,
fcFxPortName
FcNameId,

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-- FxPort common service parameters
fcFxPortFcphVersionHigh
FcphVersion,
fcFxPortFcphVersionLow
FcphVersion,
fcFxPortBbCredit
FcBbCredit,
fcFxPortRxBufSize
FcRxDataFieldSize,
fcFxPortRatov
MilliSeconds,
fcFxPortEdtov
MilliSeconds,
-- FxPort class service parameters
fcFxPortCosSupported
FcCosCap,
fcFxPortIntermixSupported
TruthValue,
fcFxPortStackedConnMode
FcStackedConnMode,
fcFxPortClass2SeqDeliv
TruthValue,
fcFxPortClass3SeqDeliv
TruthValue,
-- other configuration parameters
fcFxPortHoldTime
MicroSeconds
}

fcFxPortIndex OBJECT-TYPE
SYNTAX FcFeFxPortIndex
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"This object identifies the FxPort within the module. This
number ranges from 1 to the value of fcFeModulePortCapacity
for the associated module. The value remains constant for
the identified FxPort until the module is re-initialized."
::= { fcFxPortEntry 1 }

fcFxPortName OBJECT-TYPE
SYNTAX FcNameId
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The World_wide Name of this FxPort. Each FxPort has a
unique Port World_wide Name within the Fabric."
::= { fcFxPortEntry 2 }

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-- FxPort common service parameters

fcFxPortFcphVersionHigh OBJECT-TYPE
SYNTAX FcphVersion
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The highest or most recent version of FC-PH that the FxPort
is configured to support."
::= { fcFxPortEntry 3 }

fcFxPortFcphVersionLow OBJECT-TYPE
SYNTAX FcphVersion
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The lowest or earliest version of FC-PH that the FxPort is
configured to support."
::= { fcFxPortEntry 4 }

fcFxPortBbCredit OBJECT-TYPE
SYNTAX FcBbCredit
UNITS "buffers"
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The total number of receive buffers available for holding
Class 1 connect-request, Class 2 or 3 frames from the
attached NxPort. It is for buffer-to-buffer flow control
in the direction from the attached NxPort (if applicable)
to FxPort."
::= { fcFxPortEntry 5 }

fcFxPortRxBufSize OBJECT-TYPE
SYNTAX FcRxDataFieldSize
UNITS "bytes"
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The largest Data_Field Size (in octets) for an FT_1 frame
that can be received by the FxPort."
::= { fcFxPortEntry 6 }

fcFxPortRatov OBJECT-TYPE
SYNTAX MilliSeconds
UNITS "milliseconds"
MAX-ACCESS read-only
STATUS current

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DESCRIPTION
"The Resource_Allocation_Timeout Value configured for the
FxPort. This is used as the timeout value for determining
when to reuse an NxPort resource such as a
Recovery_Qualifier. It represents E_D_TOV (see next
object) plus twice the maximum time that a frame may be
delayed within the Fabric and still be delivered."
::= { fcFxPortEntry 7 }

fcFxPortEdtov OBJECT-TYPE
SYNTAX MilliSeconds
UNITS "milliseconds"
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The E_D_TOV value configured for the FxPort. The
Error_Detect_Timeout Value is used as the timeout value for
detecting an error condition."
::= { fcFxPortEntry 8 }

-- FxPort class service parameters

fcFxPortCosSupported OBJECT-TYPE
SYNTAX FcCosCap
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"A value indicating the set of Classes of Service supported
by the FxPort."
::= { fcFxPortEntry 9 }

fcFxPortIntermixSupported OBJECT-TYPE
SYNTAX TruthValue
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"A flag indicating whether or not the FxPort supports an
Intermixed Dedicated Connection."
::= { fcFxPortEntry 10 }

fcFxPortStackedConnMode OBJECT-TYPE
SYNTAX FcStackedConnMode
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"A value indicating the mode of Stacked Connect supported by
the FxPort."

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::= { fcFxPortEntry 11 }

fcFxPortClass2SeqDeliv OBJECT-TYPE
SYNTAX TruthValue
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"A flag indicating whether or not Class 2 Sequential
Delivery is supported by the FxPort."
::= { fcFxPortEntry 12 }

fcFxPortClass3SeqDeliv OBJECT-TYPE
SYNTAX TruthValue
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"A flag indicating whether or not Class 3 Sequential
Delivery is supported by the FxPort."
::= { fcFxPortEntry 13 }

-- other FxPort parameters

fcFxPortHoldTime OBJECT-TYPE
SYNTAX MicroSeconds
UNITS "microseconds"
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The maximum time (in microseconds) that the FxPort shall
hold a frame before discarding the frame if it is unable to
deliver the frame. The value 0 means that the FxPort does
not support this parameter."
::= { fcFxPortEntry 14 }

-- the Status group

-- This group consists of tables that contains operational
-- status and established service parameters for the Fabric
-- Element and the attached NxPorts.

-- The FxPort Status table
-- This table contains, one entry for each FxPort,
-- the operational status and parameters of the FxPorts.

fcFxPortStatusTable OBJECT-TYPE
SYNTAX SEQUENCE OF FcFxPortStatusEntry

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MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"A table that contains, one entry for each FxPort in the
Fabric Element, operational status and parameters of the
FxPorts."
::= { fcFeStatus 1 }

fcFxPortStatusEntry OBJECT-TYPE
SYNTAX FcFxPortStatusEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"An entry containing operational status and parameters of a
FxPort."
AUGMENTS { fcFxPortEntry }
::= { fcFxPortStatusTable 1 }

FcFxPortStatusEntry ::=
SEQUENCE {
fcFxPortID
FcAddressId,
fcFxPortBbCreditAvailable
Gauge32,
fcFxPortOperMode
INTEGER,
fcFxPortAdminMode
INTEGER
}

fcFxPortID OBJECT-TYPE
SYNTAX FcAddressId
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The address identifier by which this FxPort is identified
within the Fabric. The FxPort may assign its address
identifier to its attached NxPort(s) during Fabric Login."
::= { fcFxPortStatusEntry 1 }

fcFxPortBbCreditAvailable OBJECT-TYPE
SYNTAX Gauge32
UNITS "buffers"
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The number of buffers currently available for receiving

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frames from the attached port in the buffer-to-buffer flow
control. The value should be less than or equal to
fcFxPortBbCredit."
::= { fcFxPortStatusEntry 2 }

fcFxPortOperMode OBJECT-TYPE
SYNTAX INTEGER { unknown(1), fPort(2), flPort(3) }
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The current operational mode of the FxPort."
::= { fcFxPortStatusEntry 3 }

fcFxPortAdminMode OBJECT-TYPE
SYNTAX INTEGER { fPort(2), flPort(3) }
MAX-ACCESS read-write
STATUS current
DESCRIPTION
"The desired operational mode of the FxPort."
::= { fcFxPortStatusEntry 4 }

-- the FxPort Physical Level table
-- This table contains, one entry for each FxPort in the
-- Fabric Element, the physical level status and parameters
-- of the FxPorts.

fcFxPortPhysTable OBJECT-TYPE
SYNTAX SEQUENCE OF FcFxPortPhysEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"A table that contains, one entry for each FxPort in the
Fabric Element, physical level status and parameters of the
FxPorts."
::= { fcFeStatus 2 }

fcFxPortPhysEntry OBJECT-TYPE
SYNTAX FcFxPortPhysEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"An entry containing physical level status and parameters of
a FxPort."
AUGMENTS { fcFxPortEntry }
::= { fcFxPortPhysTable 1 }

FcFxPortPhysEntry ::=

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SEQUENCE {
fcFxPortPhysAdminStatus
INTEGER,
fcFxPortPhysOperStatus
INTEGER,
fcFxPortPhysLastChange
TimeStamp,
fcFxPortPhysRttov
MilliSeconds
}

fcFxPortPhysAdminStatus OBJECT-TYPE
SYNTAX INTEGER {
online (1), -- place port online
offline (2), -- take port offline
testing (3) -- initiate test procedures
}
MAX-ACCESS read-write
STATUS current
DESCRIPTION
"The desired state of the FxPort. A management station may
place the FxPort in a desired state by setting this object
accordingly. The testing(3) state indicates that no
operational frames can be passed. When a Fabric Element
initializes, all FxPorts start with fcFxPortPhysAdminStatus
in the offline(2) state. As the result of either explicit
management action or per configuration information
accessible by the Fabric Element, fcFxPortPhysAdminStatus
is then changed to either the online(1) or testing(3)
states, or remains in the offline state."
::= { fcFxPortPhysEntry 1 }

fcFxPortPhysOperStatus OBJECT-TYPE
SYNTAX INTEGER {
online (1), -- Login may proceed
offline (2), -- Login cannot proceed
testing (3), -- port is under test
linkFailure (4) -- failure after online/testing
}
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The current operational status of the FxPort. The
testing(3) indicates that no operational frames can be
passed. If fcFxPortPhysAdminStatus is offline(2) then
fcFxPortPhysOperStatus should be offline(2). If
fcFxPortPhysAdminStatus is changed to online(1) then
fcFxPortPhysOperStatus should change to online(1) if the

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FxPort is ready to accept Fabric Login request from the
attached NxPort; it should proceed and remain in the link-
failure(4) state if and only if there is a fault that
prevents it from going to the online(1) state."
::= { fcFxPortPhysEntry 2 }

fcFxPortPhysLastChange OBJECT-TYPE
SYNTAX TimeStamp
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The value of sysUpTime at the time the FxPort entered its
current operational status. A value of zero indicates that
the FxPort's operational status has not changed since the
agent last restarted."
::= { fcFxPortPhysEntry 3 }

fcFxPortPhysRttov OBJECT-TYPE
SYNTAX MilliSeconds
UNITS "milliseconds"
MAX-ACCESS read-write
STATUS current
DESCRIPTION
"The Receiver_Transmitter_Timeout value of the FxPort. This
is used by the receiver logic to detect Loss of
Synchronization."
::= { fcFxPortPhysEntry 4 }

-- The FxPort Fabric Login table
--
-- This table contains, one entry for each FxPort in the
-- Fabric Element, the Service Parameters that have been
-- established from the most recent Fabric Login,
-- implicit or explicit.

fcFxLoginTable OBJECT-TYPE
SYNTAX SEQUENCE OF FcFxLoginEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"A table that contains, one entry for each NxPort attached
to a particular FxPort in the Fabric Element, services
parameters established from the most recent Fabric Login,
explicit or implicit. Note that an FxPort may have one or
more NxPort attached to it."
::= { fcFeStatus 3 }

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fcFxLoginEntry OBJECT-TYPE
SYNTAX FcFxLoginEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"An entry containing service parameters established from a
successful Fabric Login."
INDEX { fcFeModuleIndex, fcFxPortIndex, fcFxPortNxLoginIndex }
::= { fcFxLoginTable 1 }

FcFxLoginEntry ::=
SEQUENCE {
fcFxPortNxLoginIndex
FcFeNxPortIndex,
fcFxPortFcphVersionAgreed
FcphVersion,
fcFxPortNxPortBbCredit
FcBbCredit,
fcFxPortNxPortRxDataFieldSize
FcRxDataFieldSize,
fcFxPortCosSuppAgreed
FcCosCap,
fcFxPortIntermixSuppAgreed
TruthValue,
fcFxPortStackedConnModeAgreed
FcStackedConnMode,
fcFxPortClass2SeqDelivAgreed
TruthValue,
fcFxPortClass3SeqDelivAgreed
TruthValue,
--
fcFxPortNxPortName
FcNameId,
fcFxPortConnectedNxPort
FcAddressId,
fcFxPortBbCreditModel
FcBbCreditModel
}

fcFxPortNxLoginIndex OBJECT-TYPE
SYNTAX FcFeNxPortIndex
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"The object identifies the associated NxPort in the
attachment for which the entry contains information."
::= { fcFxLoginEntry 1 }

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fcFxPortFcphVersionAgreed OBJECT-TYPE
SYNTAX FcphVersion
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The version of FC-PH that the FxPort has agreed to support
from the Fabric Login"
::= { fcFxLoginEntry 2 }

fcFxPortNxPortBbCredit OBJECT-TYPE
SYNTAX FcBbCredit
UNITS "buffers"
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The total number of buffers available for holding Class 1
connect-request, Class 2 or Class 3 frames to be
transmitted to the attached NxPort. It is for buffer-to-
buffer flow control in the direction from FxPort to NxPort.
The buffer-to-buffer flow control mechanism is indicated in
the respective fcFxPortBbCreditModel."
::= { fcFxLoginEntry 3 }

fcFxPortNxPortRxDataFieldSize OBJECT-TYPE
SYNTAX FcRxDataFieldSize
UNITS "bytes"
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The Receive Data Field Size of the attached NxPort. This
object specifies the largest Data Field Size for an FT_1
frame that can be received by the NxPort."
::= { fcFxLoginEntry 4 }

fcFxPortCosSuppAgreed OBJECT-TYPE
SYNTAX FcCosCap
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"A variable indicating that the attached NxPort has
requested the FxPort for the support of classes of services
and the FxPort has granted the request."
::= { fcFxLoginEntry 5 }

fcFxPortIntermixSuppAgreed OBJECT-TYPE
SYNTAX TruthValue
MAX-ACCESS read-only
STATUS current

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DESCRIPTION
"A variable indicating that the attached NxPort has
requested the FxPort for the support of Intermix and the
FxPort has granted the request. This flag is only valid if
Class 1 service is supported."
::= { fcFxLoginEntry 6 }

fcFxPortStackedConnModeAgreed OBJECT-TYPE
SYNTAX FcStackedConnMode
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"A variable indicating whether the FxPort has agreed to
support stacked connect from the Fabric Login. This is only
meaningful if Class 1 service has been agreed."
::= { fcFxLoginEntry 7 }

fcFxPortClass2SeqDelivAgreed OBJECT-TYPE
SYNTAX TruthValue
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"A variable indicating whether the FxPort has agreed to
support Class 2 sequential delivery from the Fabric Login.
This is only meaningful if Class 2 service has been
agreed."
::= { fcFxLoginEntry 8 }

fcFxPortClass3SeqDelivAgreed OBJECT-TYPE
SYNTAX TruthValue
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"A flag indicating whether the FxPort has agreed to support
Class 3 sequential delivery from the Fabric Login. This is
only meaningful if Class 3 service has been agreed."
::= { fcFxLoginEntry 9 }

fcFxPortNxPortName OBJECT-TYPE
SYNTAX FcNameId
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The port name of the attached NxPort."
::= { fcFxLoginEntry 10 }

fcFxPortConnectedNxPort OBJECT-TYPE
SYNTAX FcAddressId

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MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The address identifier of the destination NxPort with which
this FxPort is currently engaged in a either a Class 1 or
loop connection. If this FxPort is not engaged in a
connection, then the value of this object is '000000'H."
::= { fcFxLoginEntry 11 }

fcFxPortBbCreditModel OBJECT-TYPE
SYNTAX FcBbCreditModel
MAX-ACCESS read-write
STATUS current
DESCRIPTION
"This object identifies the BB_Credit model used by the
FxPort."
::= { fcFxLoginEntry 12 }

-- the Error group
-- This group consists of tables that contain information about
-- the various types of errors detected. The management station
-- may use the information in this group to determine the
-- quality of the link between the FxPort and its attached NxPort.

-- the FxPort Error table
-- This table contains, one entry for each FxPort in the Fabric
-- Element, counters recording numbers of errors detected
-- since the management agent re-initialized.
-- The first 6 columnar objects after the port index corresponds
-- to the counters in the Link Error Status Block.

fcFxPortErrorTable OBJECT-TYPE
SYNTAX SEQUENCE OF FcFxPortErrorEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"A table that contains, one entry for each FxPort, counters
that record the numbers of errors detected."
::= { fcFeError 1 }

fcFxPortErrorEntry OBJECT-TYPE
SYNTAX FcFxPortErrorEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"An entry containing error counters of a FxPort."
AUGMENTS { fcFxPortEntry }

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RFC 2837 FC Fabric Element MIB May 2000

::= { fcFxPortErrorTable 1 }

FcFxPortErrorEntry ::=
SEQUENCE {
fcFxPortLinkFailures
Counter32,
fcFxPortSyncLosses
Counter32,
fcFxPortSigLosses
Counter32,
fcFxPortPrimSeqProtoErrors
Counter32,
fcFxPortInvalidTxWords
Counter32,
fcFxPortInvalidCrcs
Counter32,
fcFxPortDelimiterErrors
Counter32,
fcFxPortAddressIdErrors
Counter32,
fcFxPortLinkResetIns
Counter32,
fcFxPortLinkResetOuts
Counter32,
fcFxPortOlsIns
Counter32,
fcFxPortOlsOuts
Counter32
}

fcFxPortLinkFailures OBJECT-TYPE
SYNTAX Counter32
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The number of link failures detected by this FxPort."
::= { fcFxPortErrorEntry 1 }

fcFxPortSyncLosses OBJECT-TYPE
SYNTAX Counter32
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The number of loss of synchronization detected by the
FxPort."
::= { fcFxPortErrorEntry 2 }

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fcFxPortSigLosses OBJECT-TYPE
SYNTAX Counter32
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The number of loss of signal detected by the FxPort."
::= { fcFxPortErrorEntry 3 }

fcFxPortPrimSeqProtoErrors OBJECT-TYPE
SYNTAX Counter32
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The number of primitive sequence protocol errors detected
by the FxPort."
::= { fcFxPortErrorEntry 4 }

fcFxPortInvalidTxWords OBJECT-TYPE
SYNTAX Counter32
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The number of invalid transmission word detected by the
FxPort."
::= { fcFxPortErrorEntry 5 }

fcFxPortInvalidCrcs OBJECT-TYPE
SYNTAX Counter32
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The number of invalid CRC detected by this FxPort."
::= { fcFxPortErrorEntry 6 }

fcFxPortDelimiterErrors OBJECT-TYPE
SYNTAX Counter32
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The number of Delimiter Errors detected by this FxPort."
::= { fcFxPortErrorEntry 7 }

fcFxPortAddressIdErrors OBJECT-TYPE
SYNTAX Counter32
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The number of address identifier errors detected by this

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RFC 2837 FC Fabric Element MIB May 2000

FxPort."
::= { fcFxPortErrorEntry 8 }

fcFxPortLinkResetIns OBJECT-TYPE
SYNTAX Counter32
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The number of Link Reset Protocol received by this FxPort
from the attached NxPort."
::= { fcFxPortErrorEntry 9 }

fcFxPortLinkResetOuts OBJECT-TYPE
SYNTAX Counter32
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The number of Link Reset Protocol issued by this FxPort to
the attached NxPort."
::= { fcFxPortErrorEntry 10 }

fcFxPortOlsIns OBJECT-TYPE
SYNTAX Counter32
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The number of Offline Sequence received by this FxPort."
::= { fcFxPortErrorEntry 11 }

fcFxPortOlsOuts OBJECT-TYPE
SYNTAX Counter32
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The number of Offline Sequence issued by this FxPort."
::= { fcFxPortErrorEntry 12 }

-- Accounting Groups:
-- (1) Class 1 Accounting Group,
-- (2) Class 2 Accounting Group, and
-- (3) Class 3 Accounting Group.
-- Each group consists of a table that contains accounting
-- information for the FxPorts in the Fabric Element.

-- the Class 1 Accounting table
-- This table contains, one entry for each FxPort in the Fabric

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-- Element, Counter32s for certain types of events occurred in the
-- the FxPorts since the the management agent has re-initialized.

fcFxPortC1AccountingTable OBJECT-TYPE
SYNTAX SEQUENCE OF FcFxPortC1AccountingEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"A table that contains, one entry for each FxPort in the
Fabric Element, Class 1 accounting information recorded
since the management agent has re-initialized."
::= { fcFeAccounting 1 }

fcFxPortC1AccountingEntry OBJECT-TYPE
SYNTAX FcFxPortC1AccountingEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"An entry containing Class 1 accounting information for each
FxPort."
AUGMENTS { fcFxPortEntry }
::= { fcFxPortC1AccountingTable 1 }

FcFxPortC1AccountingEntry ::=
SEQUENCE {
fcFxPortC1InFrames
Counter32,
fcFxPortC1OutFrames
Counter32,
fcFxPortC1InOctets
Counter32,
fcFxPortC1OutOctets
Counter32,
fcFxPortC1Discards
Counter32,
fcFxPortC1FbsyFrames
Counter32,
fcFxPortC1FrjtFrames
Counter32,
fcFxPortC1InConnections
Counter32,
fcFxPortC1OutConnections
Counter32,
fcFxPortC1ConnTime
MilliSeconds
}

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fcFxPortC1InFrames OBJECT-TYPE
SYNTAX Counter32
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The number of Class 1 frames (other than Class 1 connect-
request) received by this FxPort from its attached NxPort."
::= { fcFxPortC1AccountingEntry 1 }

fcFxPortC1OutFrames OBJECT-TYPE
SYNTAX Counter32
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The number of Class 1 frames (other than Class 1 connect-
request) delivered through this FxPort to its attached
NxPort."
::= { fcFxPortC1AccountingEntry 2 }

fcFxPortC1InOctets OBJECT-TYPE
SYNTAX Counter32
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The number of Class 1 frame octets, including the frame
delimiters, received by this FxPort from its attached
NxPort."
::= { fcFxPortC1AccountingEntry 3 }

fcFxPortC1OutOctets OBJECT-TYPE
SYNTAX Counter32
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The number of Class 1 frame octets, including the frame
delimiters, delivered through this FxPort its attached
NxPort."
::= { fcFxPortC1AccountingEntry 4 }

fcFxPortC1Discards OBJECT-TYPE
SYNTAX Counter32
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The number of Class 1 frames discarded by this FxPort."
::= { fcFxPortC1AccountingEntry 5 }

fcFxPortC1FbsyFrames OBJECT-TYPE

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RFC 2837 FC Fabric Element MIB May 2000

SYNTAX Counter32
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The number of F_BSY frames generated by this FxPort against
Class 1 connect-request."
::= { fcFxPortC1AccountingEntry 6 }

fcFxPortC1FrjtFrames OBJECT-TYPE
SYNTAX Counter32
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The number of F_RJT frames generated by this FxPort against
Class 1 connect-request."
::= { fcFxPortC1AccountingEntry 7 }

fcFxPortC1InConnections OBJECT-TYPE
SYNTAX Counter32
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The number of Class 1 connections successfully established
in which the attached NxPort is the source of the connect-
request."
::= { fcFxPortC1AccountingEntry 8 }

fcFxPortC1OutConnections OBJECT-TYPE
SYNTAX Counter32
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The number of Class 1 connections successfully established
in which the attached NxPort is the destination of the
connect-request."
::= { fcFxPortC1AccountingEntry 9 }

fcFxPortC1ConnTime OBJECT-TYPE
SYNTAX MilliSeconds
UNITS "milliseconds"
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The cumulative time that this FxPort has been engaged in
Class 1 connection. The amount of time is counted from
after a connect-request has been accepted until the
connection is disengaged, either by an EOFdt or Link
Reset."

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::= { fcFxPortC1AccountingEntry 10 }

-- the Class 2 Accounting table
-- This table contains, one entry for each FxPort in the Fabric
-- Element, Counter32s for certain types of events occurred in the
-- the FxPorts since the the management agent has re-initialized.

fcFxPortC2AccountingTable OBJECT-TYPE
SYNTAX SEQUENCE OF FcFxPortC2AccountingEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"A table that contains, one entry for each FxPort in the
Fabric Element, Class 2 accounting information recorded
since the management agent has re-initialized."
::= { fcFeAccounting 2 }

fcFxPortC2AccountingEntry OBJECT-TYPE
SYNTAX FcFxPortC2AccountingEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"An entry containing Class 2 accounting information for each
FxPort."
AUGMENTS { fcFxPortEntry }
::= { fcFxPortC2AccountingTable 1 }

FcFxPortC2AccountingEntry ::=
SEQUENCE {
fcFxPortC2InFrames
Counter32,
fcFxPortC2OutFrames
Counter32,
fcFxPortC2InOctets
Counter32,
fcFxPortC2OutOctets
Counter32,
fcFxPortC2Discards
Counter32,
fcFxPortC2FbsyFrames
Counter32,
fcFxPortC2FrjtFrames
Counter32
}

fcFxPortC2InFrames OBJECT-TYPE

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SYNTAX Counter32
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The number of Class 2 frames received by this FxPort from
its attached NxPort."
::= { fcFxPortC2AccountingEntry 1 }

fcFxPortC2OutFrames OBJECT-TYPE
SYNTAX Counter32
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The number of Class 2 frames delivered through this FxPort
to its attached NxPort."
::= { fcFxPortC2AccountingEntry 2 }

fcFxPortC2InOctets OBJECT-TYPE
SYNTAX Counter32
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The number of Class 2 frame octets, including the frame
delimiters, received by this FxPort from its attached
NxPort."
::= { fcFxPortC2AccountingEntry 3 }

fcFxPortC2OutOctets OBJECT-TYPE
SYNTAX Counter32
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The number of Class 2 frame octets, including the frame
delimiters, delivered through this FxPort to its attached
NxPort."
::= { fcFxPortC2AccountingEntry 4 }

fcFxPortC2Discards OBJECT-TYPE
SYNTAX Counter32
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The number of Class 2 frames discarded by this FxPort."
::= { fcFxPortC2AccountingEntry 5 }

fcFxPortC2FbsyFrames OBJECT-TYPE
SYNTAX Counter32
MAX-ACCESS read-only

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STATUS current
DESCRIPTION
"The number of F_BSY frames generated by this FxPort against
Class 2 frames."
::= { fcFxPortC2AccountingEntry 6 }

fcFxPortC2FrjtFrames OBJECT-TYPE
SYNTAX Counter32
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The number of F_RJT frames generated by this FxPort against
Class 2 frames."
::= { fcFxPortC2AccountingEntry 7 }

-- the Class 3 Accounting Group
-- This table contains, one entry for each FxPort in the Fabric
-- Element, Counter32s for certain types of events occurred in the
-- the FxPorts since the management agent has re-initialized.

fcFxPortC3AccountingTable OBJECT-TYPE
SYNTAX SEQUENCE OF FcFxPortC3AccountingEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"A table that contains, one entry for each FxPort in the
Fabric Element, Class 3 accounting information recorded
since the management agent has re-initialized."
::= { fcFeAccounting 3 }

fcFxPortC3AccountingEntry OBJECT-TYPE
SYNTAX FcFxPortC3AccountingEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"An entry containing Class 3 accounting information for each
FxPort."
AUGMENTS { fcFxPortEntry }
::= { fcFxPortC3AccountingTable 1 }

FcFxPortC3AccountingEntry ::=
SEQUENCE {
fcFxPortC3InFrames
Counter32,
fcFxPortC3OutFrames
Counter32,
fcFxPortC3InOctets

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Counter32,
fcFxPortC3OutOctets
Counter32,
fcFxPortC3Discards
Counter32
}

fcFxPortC3InFrames OBJECT-TYPE
SYNTAX Counter32
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The number of Class 3 frames received by this FxPort from
its attached NxPort."
::= { fcFxPortC3AccountingEntry 1 }

fcFxPortC3OutFrames OBJECT-TYPE
SYNTAX Counter32
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The number of Class 3 frames delivered through this FxPort
to its attached NxPort."
::= { fcFxPortC3AccountingEntry 2 }

fcFxPortC3InOctets OBJECT-TYPE
SYNTAX Counter32
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The number of Class 3 frame octets, including the frame
delimiters, received by this FxPort from its attached
NxPort."
::= { fcFxPortC3AccountingEntry 3 }

fcFxPortC3OutOctets OBJECT-TYPE
SYNTAX Counter32
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The number of Class 3 frame octets, including the frame
delimiters, delivered through this FxPort to its attached
NxPort."
::= { fcFxPortC3AccountingEntry 4 }

fcFxPortC3Discards OBJECT-TYPE
SYNTAX Counter32
MAX-ACCESS read-only

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RFC 2837 FC Fabric Element MIB May 2000

STATUS current
DESCRIPTION
"The number of Class 3 frames discarded by this FxPort."
::= { fcFxPortC3AccountingEntry 5 }

-- The Capability Group - consists of a table describing
-- information about what each FxPort is inherently capable
-- of operating or supporting.
-- A capability may be used, as expressed in its respective
-- object value in the Configuration group.

fcFxPortCapTable OBJECT-TYPE
SYNTAX SEQUENCE OF FcFxPortCapEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"A table that contains, one entry for each FxPort, the
capabilities of the port within the Fabric Element."
::= { fcFeCapabilities 1 }

fcFxPortCapEntry OBJECT-TYPE
SYNTAX FcFxPortCapEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"An entry containing the Cap of a FxPort."
AUGMENTS { fcFxPortEntry }
::= { fcFxPortCapTable 1 }

FcFxPortCapEntry ::=
SEQUENCE {
fcFxPortCapFcphVersionHigh
FcphVersion,
fcFxPortCapFcphVersionLow
FcphVersion,
fcFxPortCapBbCreditMax
FcBbCredit,
fcFxPortCapBbCreditMin
FcBbCredit,
fcFxPortCapRxDataFieldSizeMax
FcRxDataFieldSize,
fcFxPortCapRxDataFieldSizeMin
FcRxDataFieldSize,
fcFxPortCapCos
FcCosCap,
fcFxPortCapIntermix

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TruthValue,
fcFxPortCapStackedConnMode
FcStackedConnMode,
fcFxPortCapClass2SeqDeliv
TruthValue,
fcFxPortCapClass3SeqDeliv
TruthValue,
fcFxPortCapHoldTimeMax
MicroSeconds,
fcFxPortCapHoldTimeMin
MicroSeconds
}

fcFxPortCapFcphVersionHigh OBJECT-TYPE
SYNTAX FcphVersion
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The highest or most recent version of FC-PH that the FxPort
is capable of supporting."
::= { fcFxPortCapEntry 1 }

fcFxPortCapFcphVersionLow OBJECT-TYPE
SYNTAX FcphVersion
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The lowest or earliest version of FC-PH that the FxPort is
capable of supporting."
::= { fcFxPortCapEntry 2 }

fcFxPortCapBbCreditMax OBJECT-TYPE
SYNTAX FcBbCredit
UNITS "buffers"
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The maximum number of receive buffers available for holding
Class 1 connect-request, Class 2 or Class 3 frames from the
attached NxPort."
::= { fcFxPortCapEntry 3 }

fcFxPortCapBbCreditMin OBJECT-TYPE
SYNTAX FcBbCredit
UNITS "buffers"
MAX-ACCESS read-only
STATUS current
DESCRIPTION

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RFC 2837 FC Fabric Element MIB May 2000

"The minimum number of receive buffers available for holding
Class 1 connect-request, Class 2 or Class 3 frames from the
attached NxPort."
::= { fcFxPortCapEntry 4 }

fcFxPortCapRxDataFieldSizeMax OBJECT-TYPE
SYNTAX FcRxDataFieldSize
UNITS "bytes"
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The maximum size in bytes of the Data Field in a frame that
the FxPort is capable of receiving from its attached
NxPort."
::= { fcFxPortCapEntry 5 }

fcFxPortCapRxDataFieldSizeMin OBJECT-TYPE
SYNTAX FcRxDataFieldSize
UNITS "bytes"
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The minimum size in bytes of the Data Field in a frame that
the FxPort is capable of receiving from its attached
NxPort."
::= { fcFxPortCapEntry 6 }

fcFxPortCapCos OBJECT-TYPE
SYNTAX FcCosCap
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"A value indicating the set of Classes of Service that the
FxPort is capable of supporting."
::= { fcFxPortCapEntry 7 }

fcFxPortCapIntermix OBJECT-TYPE
SYNTAX TruthValue
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"A flag indicating whether or not the FxPort is capable of
supporting the intermixing of Class 2 and Class 3 frames
during a Class 1 connection. This flag is only valid if the
port is capable of supporting Class 1 service."
::= { fcFxPortCapEntry 8 }

fcFxPortCapStackedConnMode OBJECT-TYPE

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RFC 2837 FC Fabric Element MIB May 2000

SYNTAX FcStackedConnMode
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"A value indicating the mode of Stacked Connect request that
the FxPort is capable of supporting."
::= { fcFxPortCapEntry 9 }

fcFxPortCapClass2SeqDeliv OBJECT-TYPE
SYNTAX TruthValue
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"A flag indicating whether or not the FxPort is capable of
supporting Class 2 Sequential Delivery."
::= { fcFxPortCapEntry 10 }

fcFxPortCapClass3SeqDeliv OBJECT-TYPE
SYNTAX TruthValue
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"A flag indicating whether or not the FxPort is capable of
supporting Class 3 Sequential Delivery."
::= { fcFxPortCapEntry 11 }

fcFxPortCapHoldTimeMax OBJECT-TYPE
SYNTAX MicroSeconds
UNITS "microseconds"
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The maximum holding time (in microseconds) that the FxPort
is capable of supporting."
::= { fcFxPortCapEntry 12 }

fcFxPortCapHoldTimeMin OBJECT-TYPE
SYNTAX MicroSeconds
UNITS "microseconds"
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The minimum holding time (in microseconds) that the FxPort
is capable of supporting."
::= { fcFxPortCapEntry 13 }

-- conformance information

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RFC 2837 FC Fabric Element MIB May 2000

fcFeMIBConformance OBJECT IDENTIFIER ::= { fcFeMIB 2 }
fcFeMIBCompliances OBJECT IDENTIFIER ::= { fcFeMIBConformance 1 }
fcFeMIBGroups OBJECT IDENTIFIER ::= { fcFeMIBConformance 2 }

-- compliance statements
fcFeMIBMinimumCompliance MODULE-COMPLIANCE
STATUS current
DESCRIPTION
"The minimum compliance statement for SNMP entities
which implement the FIBRE-CHANNEL-FE-MIB."
MODULE -- this module
MANDATORY-GROUPS { fcFeConfigGroup, fcFeStatusGroup,
fcFeErrorGroup }

OBJECT fcFeFabricName
MIN-ACCESS read-only
DESCRIPTION
"Write access is not required."

OBJECT fcFeElementName
MIN-ACCESS read-only
DESCRIPTION
"Write access is not required."

OBJECT fcFeModuleName
MIN-ACCESS read-only
DESCRIPTION
"Write access is not required."

OBJECT fcFxPortAdminMode
MIN-ACCESS read-only
DESCRIPTION
"Write access is not required."

OBJECT fcFxPortPhysAdminStatus
MIN-ACCESS read-only
DESCRIPTION
"Write access is not required."

OBJECT fcFxPortPhysRttov
MIN-ACCESS read-only
DESCRIPTION
"Write access is not required."

OBJECT fcFxPortBbCreditModel
MIN-ACCESS read-only
DESCRIPTION
"Write access is not required."

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RFC 2837 FC Fabric Element MIB May 2000

::= { fcFeMIBCompliances 1 }

fcFeMIBFullCompliance MODULE-COMPLIANCE
STATUS current
DESCRIPTION
"The full compliance statement for SNMP entities
which implement the FIBRE-CHANNEL-FE-MIB."
MODULE -- this module
MANDATORY-GROUPS { fcFeConfigGroup, fcFeStatusGroup,
fcFeErrorGroup, fcFeCapabilitiesGroup }

GROUP fcFeClass1AccountingGroup
DESCRIPTION
"This group is mandatory for all fibre channel fabric
elements which support class 1 frames."

GROUP fcFeClass2AccountingGroup
DESCRIPTION
"This group is mandatory for all fibre channel fabric
elements which support class 2 frames."

GROUP fcFeClass3AccountingGroup
DESCRIPTION
"This group is mandatory for all fibre channel fabric
elements which support class 3 frames."

OBJECT fcFeFabricName
MIN-ACCESS read-only
DESCRIPTION
"Write access is not required."

OBJECT fcFeElementName
MIN-ACCESS read-only
DESCRIPTION
"Write access is not required."

OBJECT fcFeModuleName
MIN-ACCESS read-only
DESCRIPTION
"Write access is not required."

OBJECT fcFxPortAdminMode
MIN-ACCESS read-only
DESCRIPTION
"Write access is not required."

OBJECT fcFxPortPhysAdminStatus
MIN-ACCESS read-only

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RFC 2837 FC Fabric Element MIB May 2000

DESCRIPTION
"Write access is not required."

OBJECT fcFxPortPhysRttov
MIN-ACCESS read-only
DESCRIPTION
"Write access is not required."

OBJECT fcFxPortBbCreditModel
MIN-ACCESS read-only
DESCRIPTION
"Write access is not required."

::= { fcFeMIBCompliances 2 }

-- units of conformance
fcFeConfigGroup OBJECT-GROUP
OBJECTS { fcFeFabricName, fcFeElementName, fcFeModuleCapacity,
fcFeModuleDescr, fcFeModuleObjectID,
fcFeModuleOperStatus, fcFeModuleLastChange,
fcFeModuleFxPortCapacity, fcFeModuleName,
fcFxPortName, fcFxPortFcphVersionHigh,
fcFxPortFcphVersionLow, fcFxPortBbCredit,
fcFxPortRxBufSize, fcFxPortRatov, fcFxPortEdtov,
fcFxPortCosSupported, fcFxPortIntermixSupported,
fcFxPortStackedConnMode, fcFxPortClass2SeqDeliv,
fcFxPortClass3SeqDeliv, fcFxPortHoldTime }
STATUS current
DESCRIPTION
"A collection of objects providing the configuration and service
parameters of the Fabric Element, the modules, and FxPorts."
::= { fcFeMIBGroups 1 }

fcFeStatusGroup OBJECT-GROUP
OBJECTS { fcFxPortID, fcFxPortBbCreditAvailable,
fcFxPortOperMode, fcFxPortAdminMode,
fcFxPortPhysAdminStatus, fcFxPortPhysOperStatus,
fcFxPortPhysLastChange, fcFxPortPhysRttov,
fcFxPortFcphVersionAgreed, fcFxPortNxPortBbCredit,
fcFxPortNxPortRxDataFieldSize, fcFxPortCosSuppAgreed,
fcFxPortIntermixSuppAgreed,
fcFxPortStackedConnModeAgreed,
fcFxPortClass2SeqDelivAgreed,
fcFxPortClass3SeqDelivAgreed,
fcFxPortNxPortName, fcFxPortConnectedNxPort,
fcFxPortBbCreditModel }
STATUS current
DESCRIPTION

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"A collection of objects providing the operational status and
established service parameters for the Fabric Element and the
attached NxPorts."
::= { fcFeMIBGroups 2 }

fcFeErrorGroup OBJECT-GROUP
OBJECTS { fcFxPortLinkFailures, fcFxPortSyncLosses,
fcFxPortSigLosses, fcFxPortPrimSeqProtoErrors,
fcFxPortInvalidTxWords, fcFxPortInvalidCrcs,
fcFxPortDelimiterErrors, fcFxPortAddressIdErrors,
fcFxPortLinkResetIns, fcFxPortLinkResetOuts,
fcFxPortOlsIns, fcFxPortOlsOuts }
STATUS current
DESCRIPTION
"A collection of objects providing various error
statistics detected by the FxPorts."
::= { fcFeMIBGroups 3 }

fcFeClass1AccountingGroup OBJECT-GROUP
OBJECTS { fcFxPortC1InFrames, fcFxPortC1OutFrames,
fcFxPortC1InOctets, fcFxPortC1OutOctets,
fcFxPortC1Discards, fcFxPortC1FbsyFrames,
fcFxPortC1FrjtFrames, fcFxPortC1InConnections,
fcFxPortC1OutConnections, fcFxPortC1ConnTime
}
STATUS current
DESCRIPTION
"A collection of objects providing various class 1
performance statistics detected by the FxPorts."
::= { fcFeMIBGroups 4 }

fcFeClass2AccountingGroup OBJECT-GROUP
OBJECTS { fcFxPortC2InFrames, fcFxPortC2OutFrames,
fcFxPortC2InOctets, fcFxPortC2OutOctets,
fcFxPortC2Discards, fcFxPortC2FbsyFrames,
fcFxPortC2FrjtFrames
}
STATUS current
DESCRIPTION
"A collection of objects providing various class 2
performance statistics detected by the FxPorts."
::= { fcFeMIBGroups 5 }

fcFeClass3AccountingGroup OBJECT-GROUP
OBJECTS { fcFxPortC3InFrames, fcFxPortC3OutFrames,
fcFxPortC3InOctets, fcFxPortC3OutOctets,
fcFxPortC3Discards
}

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STATUS current
DESCRIPTION
"A collection of objects providing various class 3
performance statistics detected by the FxPorts."
::= { fcFeMIBGroups 6 }

fcFeCapabilitiesGroup OBJECT-GROUP
OBJECTS { fcFxPortCapFcphVersionHigh, fcFxPortCapFcphVersionLow,
fcFxPortCapBbCreditMax, fcFxPortCapBbCreditMin,
fcFxPortCapRxDataFieldSizeMax,
fcFxPortCapRxDataFieldSizeMin,
fcFxPortCapCos, fcFxPortCapIntermix,
fcFxPortCapStackedConnMode, fcFxPortCapClass2SeqDeliv,
fcFxPortCapClass3SeqDeliv, fcFxPortCapHoldTimeMax,
fcFxPortCapHoldTimeMin
}
STATUS current
DESCRIPTION
"A collection of objects providing the inherent
capability of each FxPort within the Fabric Element."
::= { fcFeMIBGroups 7 }

END
-- End of Object Definitions

4. Security Considerations

There are a number of management objects defined in this MIB that
have a MAX-ACCESS clause of read-write. Such objects may be
considered sensitive or vulnerable in some network environments. The
support for SET operations in a non-secure environment without proper
protection can have a negative effect on network operations.

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 [12] and the View-based
Access Control Model RFC 2575 [15] is recommended.

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RFC 2837 FC Fabric Element MIB May 2000

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/delete) them.

5. 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.

The IETF invites any interested party to bring to its attention any
copyrights, patents or patent applications, or other proprietary
rights which may cover technology that may be required to practice
this standard. Please address the information to the IETF Executive
Director.

6. Acknowledgements

The editors would like to thank the following individuals for their
assistance and constructive comments:

Juergen Schoenwaelder, Technical University Braunschweig
Vincent Guan, Brocade Gavin Bowlby, Gadzoox
Bent Stoevhase, Brocade Jeff Meyer, HP
John Y. Chu, IBM
Yakov Rekhter, Cisco Martin Sachs, IBM
Dan Eisenhauer, IBM Beth Vanderbeck, IBM
Carl Zeitler, Compaq Paul Griffiths, IBM
KC Chennappan, IBM Jessie Haug, IBM
Bob Cornelius, ANCOR Lansing Sloan, LLNL
Paul Rupert, LLNL Rich Taborak, NSerial
Steve Wilson, Brocade Jerry Rouse, IBM
Dal Allan, ENDL Hubert Huot, IBM
Venkat Rao, HP Amir Artsi, RADWAY International Ltd.

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RFC 2837 FC Fabric Element MIB May 2000

7. References

7.1. IETF References

[1] Harrington, D., Presuhn, R. and B. Wijnen, "An Architecture for
Describing SNMP Management Frameworks", RFC 2571, April 1999.

[2] Rose, M. and K. McCloghrie, "Structure and Identification of
Management Information for TCP/IP-based Internets", STD 16, RFC
1155, May 1990.

[3] Rose, M. and K. McCloghrie, "Concise MIB Definitions", STD 16,
RFC 1212, March 1991.

[4] Rose, M., "A Convention for Defining Traps for use with the
SNMP", RFC 1215, March 1991.

[5] 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.

[6] McCloghrie, K., Perkins, D., Schoenwaelder, J., Case, J., Rose,
M. and S. Waldbusser, "Textual Conventions for SMIv2", STD 58,
RFC 2579, April 1999.

[7] McCloghrie, K., Perkins, D., Schoenwaelder, J., Case, J., Rose,
M. and S. Waldbusser, "Conformance Statements for SMIv2", STD
58, RFC 2580, April 1999.

[8] Case, J., Fedor, M., Schoffstall, M. and J. Davin, "Simple
Network Management Protocol", STD 15, RFC 1157, May 1990.

[9] Case, J., McCloghrie, K., Rose, M. and S. Waldbusser,
"Introduction to Community-based SNMPv2", RFC 1901, January
1996.

[10] 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.

[11] Case, J., Harrington D., Presuhn R. and B. Wijnen, "Message
Processing and Dispatching for the Simple Network Management
Protocol (SNMP)", RFC 2572, April 1999.

[12] Blumenthal, U. and B. Wijnen, "User-based Security Model (USM)
for version 3 of the Simple Network Management Protocol
(SNMPv3)", RFC 2574, April 1999.

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RFC 2837 FC Fabric Element MIB May 2000

[13] 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.

[14] Levi, D., Meyer, P. and B. Stewart, "SNMPv3 Applications", RFC
2573, April 1999.

[15] Wijnen, B., Presuhn, R. and K. McCloghrie, "View-based Access
Control Model (VACM) for the Simple Network Management Protocol
(SNMP)", RFC 2575, April 1999.

[16] Case, J., Mundy, R., Partain, D. and B. Stewart, "Introduction
to Version 3 of the Internet-standard Network Management
Framework", RFC 2570, April 1999.

7.2. Approved ANSI/NCITS References

[17] Fibre Channel Physical and Signaling Interface (FC-PH), American
National Standard for Information Systems X3.230:1994, Computer
and Business Equipment Manufacturers Association, Washington,
DC.

[18] Fibre Channel Fabric Generic (FC-FG), American National Standard
for Information Systems X3.289:1996, Computer and Business
Equipment Manufacturers Association, Washington, DC.

[19] Fibre Channel Generic Services (FC-GS), American National
Standard for Information Systems X3.288:1996, Computer and
Business Equipment Manufacturers Association, Washington, DC.

[20] Fibre Channel Arbitrated Loop (FC-AL), American National
Standard for Information Systems X3.272:1996, Computer and
Business Equipment Manufacturers Association, Washington, DC.

[21] Fibre Channel Physical and Signaling Interface-2 (FC-PH-2),
American National Standard for Information Systems, X3.297:1997,
Computer and Business Equipment Manufacturers Association,
Washington, DC.

[22] Fibre Channel Physical and Signaling Interface-3 (FC-PH-3),
American National Standard for Information Systems, X3.303:1998,
Computer and Business Equipment Manufacturers Association,
Washington, DC.

[23] Fibre Channel Switch Fabric (FC-SW), American National Standard
for Information Systems, NCITS 321:1998, Computer and Business
Equipment Manufacturers Association, Washington, DC.

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RFC 2837 FC Fabric Element MIB May 2000

7.3. ANSI/NCITS References Under Development

[24] Fibre Channel Arbitrated Loop-2 (FC-AL-2), American National
Standard for Information Systems, X3T11/1133D Rev 5.2, Computer
and Business Equipment Manufacturers Association, Washington,
DC.

8. Editor's Address

Kha Sin Teow
Brocade Communications Systems, Inc.
1901 Guadalupe Parkway,
San Jose, CA 95131
U.S.A.

Phone: +1 408-487-8180
Email: [email protected]

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RFC 2837 FC Fabric Element MIB May 2000

9. Full Copyright Statement

Copyright (C) The Internet Society (2000). 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.

Acknowledgement

Funding for the RFC Editor function is currently provided by the
Internet Society.

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