Internet Draft C. DeSanti
V. Gaonkar
K. McCloghrie
S. Gai
Cisco Systems
9 October 2004
Fibre Channel Fabric Address Manager MIB
draft-ietf-imss-fc-fam-mib-00.txt
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Copyright Notice
Copyright (C) The Internet Society (2004). All Rights Reserved.
Abstract
This memo defines a portion of the Management Information Base (MIB)
for use with network management protocols in the Internet community.
In particular, it describes managed objects for information related
to a Fibre Channel network's Fabric Address Manager. At present,
this memo is a work item of T11.5 (http://www.t11.org). The plan is
that it will later be a work item of the IETF's IMSS working group.
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Table of Contents
1 Introduction ................................................. 3
2 The Internet-Standard Management Framework ................... 3
3 Short Overview of Fibre Channel .............................. 3
4 Relationship to Other MIBs ................................... 4
5 MIB Overview ................................................. 5
5.1 Fibre Channel management instance .......................... 5
5.2 Switch Index ............................................... 5
5.3 Fabric Index ............................................... 5
5.4 The t11FamGroup group ...................................... 6
5.5 The t11FamDatabaseGroup group .............................. 6
5.6 The t11FamAreaGroup group .................................. 6
5.7 The t11FamCacheGroup group ................................. 6
5.8 The t11FamCommandGroup group ............................... 6
5.9 The t11FamNotificationGroup group .......................... 7
5.10 Use of RCF and BF ......................................... 7
6 Definitions .................................................. 8
6.1 T11-TC-MIB ................................................. 8
6.2 T11-FC-FABRIC-ADDR-MGR-MIB ................................. 9
7 Intellectual Property ........................................ 34
8 Acknowledgements ............................................. 34
9 Normative References ......................................... 34
10 Informative References ...................................... 35
11 Security Considerations ..................................... 36
12 Authors' Addresses .......................................... 37
13 Full Copyright Statement .................................... 38
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1. Introduction
This memo defines a portion of the Management Information Base (MIB)
for use with network management protocols in the Internet community.
In particular, it describes managed objects for information related
to a Fibre Channel network's Fabric Address Manager. Fabric Address
Manager refers to the functionality of acquiring DomainID(s) as
specified in [FC-SW-3], and managing Fibre Channel Identifiers as
specified in [FC-FS].
2. The Internet-Standard Management Framework
For a detailed overview of the documents that describe the current
Internet-Standard Management Framework, please refer to section 7 of
RFC 3410 [RFC3410].
Managed objects are accessed via a virtual information store, termed
the Management Information Base or MIB. MIB objects are generally
accessed through the Simple Network Management Protocol (SNMP).
Objects in the MIB are defined using the mechanisms defined in the
Structure of Management Information (SMI). This memo specifies a MIB
module that is compliant to the SMIv2, which is described in STD 58,
RFC 2578 [RFC2578], STD 58, RFC 2579 [RFC2579] and STD 58, RFC 2580
[RFC2580].
3. Short Overview of Fibre Channel
The Fibre Channel (FC) is logically a bidirectional point-to-point
serial data channel, structured for high performance. Fibre Channel
provides a general transport vehicle for higher level protocols such
as Small Computer System Interface (SCSI) command sets, the High-
Performance Parallel Interface (HIPPI) data framing, IP (Internet
Protocol), IEEE 802.2, and others.
Physically, Fibre Channel is an interconnection of multiple
communication points, called N_Ports, interconnected either by a
switching network, called a Fabric, or by a point-to-point link. A
Fibre Channel "node" consists of one or more N_Ports. A Fabric may
consist of multiple Interconnect Elements, some of which are
switches. An N_Port connects to the Fabric via a port on a switch
called an F_Port. When multiple FC nodes are connected to a single
port on a switch via an "Arbitrated Loop" topology, the switch port
is called an FL_Port, and the nodes' ports are called NL_Ports. The
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term Nx_Port is used to refer to either an N_Port or an NL_Port. The
term Fx_Port is used to refer to either an F_Port or an FL_Port. A
switch port, which is interconnected to another switch port via an
Inter Element Link (IEL), is called an E_Port. A B_Port connects a
bridge device with an E_Port on a switch; a B_Port provides a subset
of E_Port functionality.
Many Fibre Channel components, including the fabric, each node, and
most ports, have globally-unique names. These globally-unique names
are typically formatted as World Wide Names (WWNs). More information
on WWNs can be found in [FC-FS]. WWNs are expected to be persistent
across agent and unit resets.
Fibre Channel frames contain 24-bit address identifiers which
identify the frame's source and destination ports. Each FC port has
both an address identifier and a WWN. When a fabric is in use, the
FC address identifiers are dynamically assigned by a switch. Each
octet of a 24-bit address represents a level in an address hierarchy,
with a Domain_ID being the highest level of the hierarchy.
Each Switch in a Fabric is assigned one (or more) unique Domain_IDs
using a two-step process. First, one switch, called Principal
Switch, is selected from the switches of a Fabric. Then, the
Principal Switch assigns Domain_IDs to the other switches of the
Fabric. Address assignment within a Domain is performed by the
switch to which that Domain_ID is granted.
4. Relationship to Other MIBs
The first standardized MIB for Fibre Channel [RFC2837] was focused on
Fibre Channel switches. It is being replaced by the more generic
Fibre Channel Management MIB [FC-MGMT] which defines basic
information for Fibre Channel hosts and switches, including
extensions to the standard IF-MIB [RFC2863] for Fibre Channel
interfaces. [FC-MGMT] includes the specification of how the generic
objects defined in [IF-MIB] apply to Fibre Channel interfaces.
Note that an interface's ifIndex value must be unique within an SNMP
context, irrespective of how many Fibre Channel management instances
(see below) and how many Fibre Channel switches are instrumented
within that SNMP context.
This document defines the T11-FC-FABRIC-ADDR-MGR-MIB module which
extends beyond [FC-MGMT] to cover the functionality, in Fibre Channel
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switches, which is used to manage fabric configuration, domains, and
addresses within a domain.
This document also contains a MIB module, T11-TC-MIB, to define
Textual Conventions which might also be useful in other MIBs defined
by T11.
5. MIB Overview
This section explains the use of a Fibre Channel management instance,
a Switch Index, and a Fabric Index. It also describes the six MIB
groups contained in the MIB.
5.1. Fibre Channel management instance
A Fibre Channel management instance is defined in [FC-MGMT] as a
separable managed instance of Fibre Channel functionality. Fibre
Channel functionality may be grouped into Fibre Channel management
instances in whatever way is most convenient for the
implementation(s). For example, one such grouping accommodates a
single SNMP agent having multiple AgentX [RFC2741] sub-agents, with
each sub-agent implementing a different Fibre Channel management
instance.
The object, fcmInstanceIndex, is IMPORTed from the FC-MGMT-MIB
[FC-MGMT] as the index value to uniquely identify a Fibre Channel
management instance.
5.2. Switch Index
The FC-MGMT-MIB [FC-MGMT] defines the fcmSwitchTable as a table of
information about Fibre Channel switches which are managed by Fibre
Channel management instances. Each Fibre Channel management instance
can manage one or more Fibre Channel switches. The Switch Index,
fcmSwitchIndex, is IMPORTed from the FC-MGMT-MIB as the index value
to uniquely identify a Fibre Channel switch amongst those (one or
more) managed by the same Fibre Channel management instance.
5.3. Fabric Index
The current standard for an interconnecting Fabric consisting of
multiple Fabric Switch elements is [FC-SW-3], which describes the
operation of a single Fabric in a physical infrastructure. It is
possible that future standards will define how multiple Fabrics could
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operate within one (or more) physical infrastructures. In such a
scenario, each Fabric would, of course, have its own management
instrumentation. Therefore, to *allow* for this future possibility,
this MIB defines all Fabric-related information in tables which are
INDEX-ed by an arbitrary integer, named a "Fabric Index", . In a
Fabric which is conformant to [FC-SW-3], the value of this Fabric
Index will always be 1.
It is quite possible, and may even become likely, that (a port of) a
Fibre Channel switch will be connected to multiple such Fabrics.
Thus, in order to simplify a query concerning all the Fabrics to
which a single switch is connected, fcmSwitchIndex will be listed
before t11FamFabricIndex when they both appear in the same INDEX
clause.
5.4. The t11FamGroup group
This group contains basic information about the Fabric Address
Manager functionality within a switch, including its configuration
parameters which are per-interface (i.e., specified for a particular
Fibre Channel interface identified by an ifIndex value).
5.5. The t11FamDatabaseGroup group
This group contains information about which switches are assigned to
which domains.
5.6. The t11FamAreaGroup group
This group contains information about which Port-IDs have been
assigned within the Areas of the local Domain.
5.7. The t11FamCacheGroup group
This conditional mandatory group contains information about all the
FC address identifier assignments which have been recently released.
This cache is kept to support the concept of Preferred Domain_ID via
a best effort attempt for (short-term) re-assignment of the same FC
address identifiers.
5.8. The t11FamCommandGroup group
This optional group contains objects used for initiating an operation
on a Fabric.
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5.9. The t11FamNotificationGroup group
This group contains notifications of significant events concerning
the Fabric Address management functionality within a switch.
5.10. Use of RCF and BF
Included in [FC-SW-3] is the specification of Reconfigure Fabric
(RCF) and Build Fabric (BF), both of which are command-codes of the
Switch Fabric Internal Link Service (SW_ILS). [FC-SW-3] includes the
warning:
NOTE 13 - Since the RCF causes a complete reconfiguration of the
Fabric, and may cause addresses allocated to a Switch to change,
this SW_ILS should be used with caution. The BF SW_ILS allows the
Fabric to attempt reconfiguration without loss of or change of
address and therefore should be attempted before an RCF. Examples
of situations in which RCF may be appropriate include resolution
of overlapped Domains, or the failure of a Fabric Reconfiguration
initiated by a BF.
Further, [FC-MI] specifies
A Fabric is prohibited from autonomously generating a RCF, but an
outside administrative function may request a switch to generate
an RCF. Such an administrative function is outside the scope of
this technical report.
The T11-FC-FABRIC-ADDR-MGR-MIB defined in this document is consistent
with both of the above quotes since it defines two objects,
t11FamAutoReconfigure and t11FamRestart, which are defined with a
MAX-ACCESS of read-write, and setting them to the appropriate value
is a means by which "an outside administrative function may request a
switch to generate an RCF" [FC-MI].
Note, however, the MIB specifies in its compliance section that the
minimum required level of support for these two objects is read-only.
Further, for both t11FamAutoReconfigure and t11FamRestart, the MIB
serves only as a request to generate; it does not represent the
action of the RCF or BF. That is, a successful SNMP SetRequest on
these objects will cause an RCF (or BF) to be sent, but SNMP does
not/can not ensure the successful operation of the SW_ILS operation.
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6. Definitions
6.1. T11-TC-MIB
T11-TC-MIB DEFINITIONS ::= BEGIN
IMPORTS
MODULE-IDENTITY, Unsigned32 FROM SNMPv2-SMI -- [RFC2578]
TEXTUAL-CONVENTION FROM SNMPv2-TC; -- [RFC2579]
t11TcMIB MODULE-IDENTITY
LAST-UPDATED "200406050000Z"
ORGANIZATION "T11"
CONTACT-INFO
" Claudio DeSanti
Cisco Systems, Inc.
170 West Tasman Drive
San Jose, CA 95134 USA
Phone: +1 408 853-9172
EMail: cds@cisco.com
Keith McCloghrie
Cisco Systems, Inc.
170 West Tasman Drive
San Jose, CA USA 95134
Phone: +1 408-526-5260
Email: kzm@cisco.com"
DESCRIPTION
"This module defines textual conventions used in T11 MIBs."
REVISION "200406050000Z"
DESCRIPTION
"Initial version of this MIB module."
::= { tbd }
FabricIndex ::= TEXTUAL-CONVENTION
STATUS current
DESCRIPTION
"A Fabric Index which is used as a unique
index value to identify a particular Fabric within
one (or more) physical infrastructures.
In an environment which is conformant to FC-SW-3, where
there is always exactly one Fabric in a single physical
infrastructure, the value of this Fabric Index will
always be 1.
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In environments conformant to other specifications, the
value of this Fabric Index can have other values."
SYNTAX Unsigned32
END
6.2. T11-FC-FABRIC-ADDR-MGR-MIB
T11-FC-FABRIC-ADDR-MGR-MIB DEFINITIONS ::= BEGIN
-- the Fibre Channel Fabric Address Manager MIB
--
-- for management of the functionality, in Fibre Channel switches,
-- which is used to manage fabric configuration, domains, and
-- addresses within a domain.
--
IMPORTS
MODULE-IDENTITY, OBJECT-TYPE,
NOTIFICATION-TYPE, Unsigned32,
Counter32, Gauge32 FROM SNMPv2-SMI -- [RFC2578]
MODULE-COMPLIANCE, OBJECT-GROUP,
NOTIFICATION-GROUP FROM SNMPv2-CONF -- [RFC2580]
TEXTUAL-CONVENTION, TruthValue,
RowStatus FROM SNMPv2-TC -- [RFC2579]
ifIndex FROM IF-MIB -- [IF-MIB]
fcmInstanceIndex, fcmSwitchIndex,
FcDomainIdOrZero, FcNameIdOrZero FROM FC-MGMT-MIB -- [FC-MGMT]
FabricIndex FROM T11-TC-MIB;
t11FabricAddrMgrMIB MODULE-IDENTITY
LAST-UPDATED "200407170000Z"
ORGANIZATION "T11"
CONTACT-INFO
" Claudio DeSanti
Cisco Systems, Inc.
170 West Tasman Drive
San Jose, CA 95134 USA
Phone: +1 408 853-9172
EMail: cds@cisco.com
Keith McCloghrie
Cisco Systems, Inc.
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170 West Tasman Drive
San Jose, CA USA 95134
Phone: +1 408-526-5260
Email: kzm@cisco.com"
DESCRIPTION
"The MIB module for the Fabric Address management functionality
defined by the Fibre Channel standards. For the purposes of
this MIB, Fabric Address Manager refers to the functionality of
acquiring DomainID(s) as specified in FC-SW-3, and managing
Fibre Channel Identifiers as specified in FC-FS. An instance
of 'Fabric Address Manager' software functionality executes in
the principal switch, and in each other switch."
REVISION "200407170000Z"
DESCRIPTION
"Initial version of this MIB module."
::= { tbd }
t11FamMIBObjects OBJECT IDENTIFIER ::= { t11FabricAddrMgrMIB 1 }
t11FamMIBConformance OBJECT IDENTIFIER ::= { t11FabricAddrMgrMIB 2 }
t11FamConfiguration OBJECT IDENTIFIER ::= { t11FamMIBObjects 1 }
t11FamInfo OBJECT IDENTIFIER ::= { t11FamMIBObjects 2 }
t11FamNotifyControl OBJECT IDENTIFIER ::= { t11FamMIBObjects 3 }
t11FamNotifications OBJECT IDENTIFIER ::= { t11FamMIBObjects 0 }
-- Textual Conventions
T11FamDomainPriority ::= TEXTUAL-CONVENTION
STATUS current
DESCRIPTION
"Priority of a switch.
The principal switch selection is influenced by the
priority of the switches.
Some values are of importance are:
1 : The highest priority in principal switch
selection, which is used by the administrator
to establish which switch becomes the principal
switch.
255 : Indicates that the switch is not capable of
acting as a principal switch."
REFERENCE "Fibre Channel - Switch Fabric - 3 (FC-SW-3),
ANSI INCITS 384-2004, section 6.1.5."
SYNTAX Unsigned32 (1..255)
T11FamDomainInterfaceRole ::= TEXTUAL-CONVENTION
STATUS current
DESCRIPTION
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"The 'designated' state/role of the ISL to which an interface
connects, or (if not connected) the state of the interface:
nonPrincipal (1) - non-Principal ISL
principalUpstream (2) - Upstream Principal ISL
principalDownsteam (3) - Downstream Principal ISL
isolated (4) - interface is isolated
down (5) - interface is down
unknown (6) - state/role is unknown
"
REFERENCE "Fibre Channel - Switch Fabric - 3 (FC-SW-3),
ANSI INCITS 384-2004, June 2004, Sections 3.1, 5.7,
and Figure 9."
SYNTAX INTEGER {
nonPrincipal (1),
principalUpstream (2),
principalDownsteam (3),
isolated (4),
down (5),
unknown (6)
}
T11FamState ::= TEXTUAL-CONVENTION
STATUS current
DESCRIPTION
"The state of the Fabric Address Manager, as described in
FC-SW-3's Table 86 and Figure 15.
- 'starting' represents a switch engaged in the process
represented by the first row in Table 86,
- 'principalSwitchSelection' represents a switch engaged in
the process represented by the second row in Table 86, but
not in states F0 or F1 of Figure 15.
- 'domainIdDistribution' represents a switch engaged in the
process represented by the third row in Table 86,
- 'stable' represents a switch which has successfully
completed the process represented by the third row in Table
86 and has at least one E_Port
- 'stableWithNoEports' represents a switch which has
successfully completed the process represented by the third
row in Table 86 but has no E_Ports
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- 'noDomains' represents a switch which has completed the
process represented by the third row in Table 86 but failed
to obtain a Domain_ID
- 'unconfigured' represents a switch which requires operator
input before it can begin the process represented by the
first row in Table 86,
- 'buildFabricPhase' represents a switch which is in state F0
of Figure 15.
- 'reconfigureFabricPhase' represents a switch which is in
state F1 of Figure 15.
- 'unknown' represents a switch which is confused about what
state it is in.
- 'other' represents a switch which is in a state not
represented by any of the above enumerations."
REFERENCE "Fibre Channel - Switch Fabric - 3 (FC-SW-3),
ANSI INCITS 384-2004, Table 86 and Figure 15."
SYNTAX INTEGER {
other(1),
starting(2),
unconfigured(3),
principalSwitchSelection(4),
domainIdDistribution(5),
buildFabricPhase(6),
reconfigureFabricPhase(7),
stable(8),
stableWithNoEports(9),
noDomains(10),
unknown(11)
}
--
-- t11FamTable
--
t11FamTable OBJECT-TYPE
SYNTAX SEQUENCE OF T11FamEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
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"This table contains Fabric Address Manager related
parameters which are able to be configured and monitored in
a Fibre Channel switch. For each of the switches
(identified by fcmSwitchIndex) managed by a Fibre Channel
management instance (identified by fcmInstanceIndex), there
is an entry for each Fabric known to such a switch. Entries
are implicitly created/removed if and when additional
Fabrics are created/deleted."
::= { t11FamConfiguration 1 }
t11FamEntry OBJECT-TYPE
SYNTAX T11FamEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"An entry provides information on the local Fabric Address
Manager functionality for a Fabric known to a
particular switch."
INDEX { fcmInstanceIndex, fcmSwitchIndex, t11FamFabricIndex }
::= { t11FamTable 1 }
T11FamEntry ::= SEQUENCE {
t11FamFabricIndex FabricIndex,
t11FamConfigDomainId FcDomainIdOrZero,
t11FamConfigDomainIdType INTEGER,
t11FamAutoReconfigure TruthValue,
t11FamContiguousAllocation TruthValue,
t11FamPriority T11FamDomainPriority,
t11FamPrincipalSwitchWwn FcNameIdOrZero,
t11FamLocalSwitchWwn FcNameIdOrZero,
t11FamAssignedAreaIdList OCTET STRING,
t11FamGrantedFcIds Counter32,
t11FamRecoveredFcIds Counter32,
t11FamFreeFcIds Gauge32,
t11FamAssignedFcIds Gauge32,
t11FamAvailableFcIds Gauge32,
t11FamRunningPriority T11FamDomainPriority,
t11FamPrincSwRunningPriority T11FamDomainPriority,
t11FamState T11FamState,
t11FamPrincipalSwitchSelections Counter32,
t11FamBuildFabrics Counter32,
t11FamFabricReconfigures Counter32,
t11FamDomainId FcDomainIdOrZero,
t11FamLocalPrincipalSwitchSlctns Counter32,
t11FamSticky TruthValue,
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t11FamRestart INTEGER,
t11FamRcFabricNotifyEnable TruthValue
}
t11FamFabricIndex OBJECT-TYPE
SYNTAX FabricIndex
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"A unique index value which uniquely identifies a
particular Fabric known to a particular switch.
In a Fabric conformant to SW-3, only a single Fabric
can operate within a physical infrastructure, and thus,
the value of this Fabric Index will always be 1.
However, it is possible that future standards will define
how multiple Fabrics, each with its own management
instrumentation, could operate within one (or more) physical
infrastructures. To allow for this future possibility, this
index value is used to uniquely identify a particular
Fabric within a physical infrastructure."
::= { t11FamEntry 1 }
t11FamConfigDomainId OBJECT-TYPE
SYNTAX FcDomainIdOrZero
MAX-ACCESS read-write
STATUS current
DESCRIPTION
"The configured Domain_ID of the particular switch on this
Fabric, or zero if no Domain_ID has been configured.
The meaning of this object depends on
t11FamConfigDomainIdType object.
If t11FamConfigDomainIdType is 'preferred', then Domain_ID
configured is called 'preferred Domain_ID'. The valid
values are between 0 and 239. In a situation where
this domain could not be assigned, any other Domain_ID
would be acceptable. The value '0' means any Domain_ID.
If t11FamConfigDomainIdType is 'static', then Domain_ID is
called 'static Domain_ID' and valid values are between
1 and 239. In a situation where this domain was
non-zero but could not be assigned, no other Domain_ID
would be acceptable.
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The switch sends an RDI (Request Domain_ID) to request this
Domain_ID. If a Domain_ID is not able to be granted in the
case of 'preferred', or if a 'static' Domain_ID is
configured but not able to be granted, then it is an error
condition. When this error occurs, the switch will continue
as if it receives a SW_RJT with a reason/explanation of:
'Unable to perform command request'/'Domain_ID not available'.
That is, its E_Ports on that Fabric will be isolated and the
administrator informed via a 't11FamDomainIdNotAssigned'
notification."
DEFVAL { 0 }
::= { t11FamEntry 2 }
t11FamConfigDomainIdType OBJECT-TYPE
SYNTAX INTEGER {
static (1),
preferred(2)
}
MAX-ACCESS read-write
STATUS current
DESCRIPTION
"Type of configured Domain_ID."
DEFVAL { preferred }
::= { t11FamEntry 3 }
t11FamAutoReconfigure OBJECT-TYPE
SYNTAX TruthValue
MAX-ACCESS read-write
STATUS current
DESCRIPTION
"This object determines how a particular switch
responds to certain error conditions.
The condition that might cause these errors is
the merging of two disjoint fabrics that have
overlapping Domain_ID list.
If value of this object is 'true', the switch will
send a RCF (ReConfigureFabric) to rebuild the
Fabric.
If 'false' the switch will isolate the E_Ports on
which the errors happened."
REFERENCE "Fibre Channel - Switch Fabric - 3 (FC-SW-3),
December 2003, sections 6.1.12 & 7.3.
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Fibre Channel - Methodologies for Interconnects
(FC-MI), December 2001, table 14, note g."
DEFVAL { false }
::= { t11FamEntry 4 }
t11FamContiguousAllocation OBJECT-TYPE
SYNTAX TruthValue
MAX-ACCESS read-write
STATUS current
DESCRIPTION
"Determines how a particular switch behaves when elected as
the principal switch.
If true, the switch will only accept RDIs with a contiguous
allocation; specifically, it will reject RDIs with
non-contiguous Domain_IDs, and if an RDI for a contiguous
Domain_ID is not able to be fulfilled, it will try to
replace all the Domain_IDs in the list with contiguous
Domain_IDs, and if that fails, the RDI will be rejected.
If false, then the switch acts normally in granting
the Domain_IDs even if they are not contiguous."
::= { t11FamEntry 5 }
t11FamPriority OBJECT-TYPE
SYNTAX T11FamDomainPriority
MAX-ACCESS read-write
STATUS current
DESCRIPTION
"The initial or configured priority of a particular switch
to be used in principal switch selection process."
::= { t11FamEntry 6 }
t11FamPrincipalSwitchWwn OBJECT-TYPE
SYNTAX FcNameIdOrZero
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The WWN of the Principal Switch on this Fabric,
or zero-length string if the identity of the principal
switch is unknown."
DEFVAL { ''H }
::= { t11FamEntry 7 }
t11FamLocalSwitchWwn OBJECT-TYPE
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SYNTAX FcNameIdOrZero
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The WWN of the particular Switch on this Fabric."
::= { t11FamEntry 8 }
t11FamAssignedAreaIdList OBJECT-TYPE
SYNTAX OCTET STRING (SIZE(0..256))
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The list of (zero or more) Area_IDs which have been
assigned by a particular switch in this Fabric, formatted
as an array of octets in ascending order.
Each octet represents one Area_ID. So, the list containing
Area_IDs: 23, 45, 235 and 56 would be formatted as the
4-octet string x'172d38eb'.
A particular Area's Area_ID is used as the index into the
t11FamAreaTable to get the statistics on that Area."
::= { t11FamEntry 9 }
t11FamGrantedFcIds OBJECT-TYPE
SYNTAX Counter32
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The total number of Fibre Channel Address Identifiers
granted (for local use, i.e., with a particular switch's
Domain_ID) by the Fabric Address Manager on that switch."
::= { t11FamEntry 10 }
t11FamRecoveredFcIds OBJECT-TYPE
SYNTAX Counter32
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The total number of Fibre Channel Address Identifiers that
have been recovered by the Fabric Address Manager on a
particular switch since the switch has been initialized. A
recovered Fibre Channel Address Identifier is one that is
explicitly returned after previously being used."
::= { t11FamEntry 11 }
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t11FamFreeFcIds OBJECT-TYPE
SYNTAX Gauge32
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The number of Fibre Channel Address Identifiers that are
currently unassigned on this Fabric and could be available
for assignment either immediately or at some later time.
The sum of the instances of FreeFcIds and AssignedFcIds
corresponding to a particular Fabric is the total number of
Fibre Channel Address Identifiers that the local Fabric
Address Management is capable of assigning on that Fabric."
::= { t11FamEntry 12 }
t11FamAssignedFcIds OBJECT-TYPE
SYNTAX Gauge32
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The number of Fibre Channel Address Identifiers that are
currently assigned on this Fabric.
The sum of the instances of FreeFcIds and AssignedFcIds
corresponding to a particular Fabric is the total number of
Fibre Channel Address Identifiers that the local Fabric
Address Management is capable of assigning on that Fabric."
::= { t11FamEntry 13 }
t11FamAvailableFcIds OBJECT-TYPE
SYNTAX Gauge32
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The number of Fibre Channel Address Identifiers that are
unassigned and currently available for immediate assignment
on the Fabric, e.g., with the 'Clean Address' bit set to 1."
REFERENCE
"Fibre Channel - Framing and Signaling (FC-FS),
ANSI INCITS 373-2003, section 15.6.2.4.2, April 2003."
::= { t11FamEntry 14 }
t11FamRunningPriority OBJECT-TYPE
SYNTAX T11FamDomainPriority
MAX-ACCESS read-only
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STATUS current
DESCRIPTION
"The running priority of a particular switch on this Fabric.
This value is initialised to the value of t11FamPriority,
and subsequently altered as specified by the procedures
defined in FC-SW-3."
::= { t11FamEntry 15 }
t11FamPrincSwRunningPriority OBJECT-TYPE
SYNTAX T11FamDomainPriority
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The running priority of the principal switch on this
Fabric."
::= { t11FamEntry 16 }
t11FamState OBJECT-TYPE
SYNTAX T11FamState
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The state of the Fabric Address Manager on a particular
switch on this Fabric."
::= { t11FamEntry 17 }
t11FamLocalPrincipalSwitchSlctns OBJECT-TYPE
SYNTAX Counter32
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The number of times a particular switch became the
principal switch on this Fabric."
::= { t11FamEntry 18 }
t11FamPrincipalSwitchSelections OBJECT-TYPE
SYNTAX Counter32
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The number of principal switch selections on this Fabric."
::= { t11FamEntry 19 }
t11FamBuildFabrics OBJECT-TYPE
SYNTAX Counter32
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MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The number of non-disruptive fabric reconfigurations (BFs)
that have occurred on this Fabric."
::= { t11FamEntry 20 }
t11FamFabricReconfigures OBJECT-TYPE
SYNTAX Counter32
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The number of disruptive fabric reconfigurations (RCFs)
that have occurred on this Fabric."
::= { t11FamEntry 21 }
t11FamDomainId OBJECT-TYPE
SYNTAX FcDomainIdOrZero
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The Domain_ID of a particular switch on this Fabric or
zero if no Domain_ID has been assigned."
::= { t11FamEntry 22 }
t11FamSticky OBJECT-TYPE
SYNTAX TruthValue
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"An indication of whether a particular switch is supporting
the concept of Preferred Domain_IDs via a best effort
attempt to re-assign the same Fibre Channel Address
Identifier value to a port on the next occasion when a port
requests an assignment on this Fabric.
If the value of this object is 'true', then the switch is
maintaining rows in the t11FamFcIdCacheTable for this
Fabric."
::= { t11FamEntry 23 }
t11FamRestart OBJECT-TYPE
SYNTAX INTEGER {
nonDisruptive(1),
disruptive(2),
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noOp(3)
}
MAX-ACCESS read-write
STATUS current
DESCRIPTION
"This object tells the Fabric Address Manager to
request a fabric reconfiguration.
If this object is set to 'disruptive', then a RCF
(ReConfigure Fabric) is generated in the Fabric
in order for the fabric to recover from the errors.
If this object is set to 'nonDisruptive', then a
BF (Build Fabric) is generated in the Fabric.
No action is taken if this object is set to 'noOp'.
The value of the object when read is always 'noOp'."
REFERENCE "Fibre Channel - Switch Fabric - 3 (FC-SW-3),
ANSI INCITS 384-2004, June 2004, section 7.3."
::= { t11FamEntry 24 }
t11FamRcFabricNotifyEnable OBJECT-TYPE
SYNTAX TruthValue
MAX-ACCESS read-write
STATUS current
DESCRIPTION
"An indication of whether or not a particular switch
should issue a t11FamFabricChangeNotify notification on
sending or receiving ReConfigureFabric (RCF) on a Fabric.
If the value of the object is 'true, then the
notification is generated. If the value is 'false',
notification is not generated.
If an implementation requires all fabrics to have the
same value, then setting one instance of this object
to a new object will result in all corresponding
instances being set to that same new value."
DEFVAL { false }
::= { t11FamEntry 25 }
--
-- t11FamIfTable - Interface configuration
--
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t11FamIfTable OBJECT-TYPE
SYNTAX SEQUENCE OF T11FamIfEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"This table contains those Fabric Address Manager parameters
and status values, which are per-interface (identified
by an ifIndex value), per-Fabric (identified by a
t11FamFabricIndex value), and per-switch (identified by
values of fcmInstanceIndex and fcmSwitchIndex).
An entry in this table is automatically created when
an E_Port becomes non-isolated on a particular Fabric.
An entry is deleted automatically from this table if:
a) the corresponding interface is no longer an E_Port (e.g.,
a G_Port which is dynamically determined to be an F_Port),
and all configuration parameter(s) have default values; or
b) the interface identified by ifIndex no longer exists
(e.g., because a line-card is physically removed); or
c) the row in the t11FamTable corresponding the fabric
identified by t11FamFabricID no longer exists.
Creating an entry in this table via t11FamIfRowStatus
provides the means to specify non-default parameter value(s)
for an interface at a time when the relevant row in this
table does not exist, i.e., because the interface is either
down or it is not an E_Port."
::= { t11FamConfiguration 2 }
t11FamIfEntry OBJECT-TYPE
SYNTAX T11FamIfEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"An entry containing information on the interface
configuration on the Fabric identified by
t11FamFabricIndex."
INDEX { fcmInstanceIndex, fcmSwitchIndex,
t11FamFabricIndex, ifIndex}
::= { t11FamIfTable 1 }
T11FamIfEntry ::= SEQUENCE {
t11FamIfRcfReject TruthValue,
t11FamIfRole T11FamDomainInterfaceRole,
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t11FamIfRowStatus RowStatus
}
t11FamIfRcfReject OBJECT-TYPE
SYNTAX TruthValue
MAX-ACCESS read-create
STATUS current
DESCRIPTION
"This object determines if the incoming ReConfigure
Fabric (RCF) messages on this interface on this
Fabric is accepted or not. If this object is 'true', then
the incoming RCF is rejected. If 'false', incoming RCF is
accepted.
Note that this object does not apply to the outgoing
RCFs generated by this interface."
DEFVAL {false}
::= { t11FamIfEntry 1 }
t11FamIfRole OBJECT-TYPE
SYNTAX T11FamDomainInterfaceRole
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The role of this interface."
::= { t11FamIfEntry 2 }
t11FamIfRowStatus OBJECT-TYPE
SYNTAX RowStatus
MAX-ACCESS read-create
STATUS current
DESCRIPTION
"The status of this row."
::= { t11FamIfEntry 3 }
--
-- t11FamAreaTable
--
t11FamAreaTable OBJECT-TYPE
SYNTAX SEQUENCE OF T11FamAreaEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
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"This table contains Area assignments per-Fabric by a
switch's Fabric Address Manager. Each octet in
t11FamAssignedAreaList is able to be used to index into
this table to find information on each Area."
REFERENCE "Fibre Channel - Switch Fabric - 3 (FC-SW-3),
ANSI INCITS 384-2004, June 2004, section 4.8."
::= { t11FamInfo 1 }
t11FamAreaEntry OBJECT-TYPE
SYNTAX T11FamAreaEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"An entry gives information on the Area_ID and all
Port_IDs that have been assigned within an Area for
the Fabric identified by t11FamFabricIndex, by the
Fabric Address Manager in the switch identified by
fcmInstanceIndex and fcmSwitchIndex."
INDEX { fcmInstanceIndex, fcmSwitchIndex,
t11FamFabricIndex, t11FamAreaAreaId}
::= { t11FamAreaTable 1 }
T11FamAreaEntry ::= SEQUENCE {
t11FamAreaAreaId Unsigned32,
t11FamAreaAssignedPortIdList OCTET STRING
}
t11FamAreaAreaId OBJECT-TYPE
SYNTAX Unsigned32 (0..255)
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"The Area_ID of this Area."
::= { t11FamAreaEntry 1 }
t11FamAreaAssignedPortIdList OBJECT-TYPE
SYNTAX OCTET STRING (SIZE(0..256))
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The list of Port_IDs which have been assigned in
this Area and Fabric, formatted as an array of
octets in ascending order. There could be zero or more
Port_IDs assigned on this Area and Fabric.
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Each octet represents one Port_ID. So, the list containing
the Port_IDs 23, 45, 235 and 56 would be formatted as the
4-octet string x'172d38eb'."
::= { t11FamAreaEntry 2 }
--
-- t11FamDatabaseTable
--
t11FamDatabaseTable OBJECT-TYPE
SYNTAX SEQUENCE OF T11FamDatabaseEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"This table contains all information known by the
a switch about all the domains which have been
assigned in each Fabric."
REFERENCE "Fibre Channel - Switch Fabric - 3 (FC-SW-3),
ANSI INCITS 384-2004, June 2004, section 4.8."
::= { t11FamInfo 2 }
t11FamDatabaseEntry OBJECT-TYPE
SYNTAX T11FamDatabaseEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"An entry (conceptual row) in the t11FamDatabaseTable
containing information about one Domain_ID in the
Fabric identified by t11FamFabricIndex, and known by
the switch identified by t11FamFabricIndex and
t11FamDatabaseDomainId."
INDEX { fcmInstanceIndex, fcmSwitchIndex,
t11FamFabricIndex , t11FamDatabaseDomainId}
::= { t11FamDatabaseTable 1 }
T11FamDatabaseEntry ::= SEQUENCE {
t11FamDatabaseDomainId FcDomainIdOrZero,
t11FamDatabaseSwitchWwn FcNameIdOrZero
}
t11FamDatabaseDomainId OBJECT-TYPE
SYNTAX FcDomainIdOrZero (1..239)
MAX-ACCESS not-accessible
STATUS current
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DESCRIPTION
"The Domain_ID for which this row contains information.
The value must be non-zero."
::= { t11FamDatabaseEntry 1 }
t11FamDatabaseSwitchWwn OBJECT-TYPE
SYNTAX FcNameIdOrZero
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The Node name (WWN) of the switch to which the
corresponding value of t11FamDatabaseDomainId is currently
assigned for the particular Fabric."
::= { t11FamDatabaseEntry 2 }
--
-- Fibre Channel Address Identifier cache information
--
-- The cached information allows the Fabric Address Manager to
-- implement the concept of a Preferred Domain_ID, whereby after a port
-- releases a Fibre Channel Address Identifier value, a switch makes an
-- attempt to re-assign the same Fibre Channel Address Identifier value
-- on the next occasion when that port requests an assignment.
--
t11FamMaxFcIdCacheSize OBJECT-TYPE
SYNTAX Unsigned32 (1..4294967295)
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The maximum number of Fibre Channel Address Identifiers
that are able to be cached in the t11FamFcIdCacheTable.
If the number is unknown, the value of this object is
zero."
::= { t11FamInfo 3 }
--
-- t11FamFcIdCacheTable
--
t11FamFcIdCacheTable OBJECT-TYPE
SYNTAX SEQUENCE OF T11FamFcIdCacheEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
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"This table contains all the Fibre Channel Address
Identifiers that have recently been released by the
Fabric Address Manager in a switch . So, it lists
all the Fibre Channel Address Identifiers that have valid
WWN-to-Fibre Channel Address Identifier mappings and are
currently not assigned to any ports. These Fibre Channel
Address Identifier were assigned to ports but have since
been released. These cached Fibre Channel Address
Identifiers contain only Area_ID and Port_ID information.
This cache is kept to provide best effort re-assignment of
same Fibre Channel Address Identifiers, i.e., when an
Nx_Port asks for an Fibre Channel Address Identifier, soon
after releasing one, the same value is re-assigned, if
possible."
::= { t11FamInfo 4 }
t11FamFcIdCacheEntry OBJECT-TYPE
SYNTAX T11FamFcIdCacheEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"An entry (conceptual row) in the t11FamFcIdCacheTable
containing information about one Fibre Channel Address
Identifier that was released from a WWN, corresponding to a
range of one or more ports connected to the switch
(identified by t11FamFabricIndex and t11FamFcIdCacheWwn) in
the Fabric (identified by t11FamFabricIndex). An entry is
created when a Fibre Channel Address Identifier is released
by the last port in the range. The oldest entry is deleted
if the number of rows in this table reaches
t11FamMaxFcIdCacheSize, and its space is required for a new
entry. An entry is also deleted when its Fibre Channel
Address Identifier is assigned to a port."
INDEX { fcmInstanceIndex, fcmSwitchIndex,
t11FamFabricIndex, t11FamFcIdCacheWwn}
::= { t11FamFcIdCacheTable 1 }
T11FamFcIdCacheEntry ::= SEQUENCE {
t11FamFcIdCacheWwn FcNameIdOrZero,
t11FamFcIdCacheAreaIdPortId OCTET STRING,
t11FamFcIdCachePortIds Unsigned32
}
t11FamFcIdCacheWwn OBJECT-TYPE
SYNTAX FcNameIdOrZero
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MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"The N_Port_Name (WWN) of the port associated this entry."
::= { t11FamFcIdCacheEntry 1 }
t11FamFcIdCacheAreaIdPortId OBJECT-TYPE
SYNTAX OCTET STRING (SIZE (2))
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The Area_ID and Port_ID of the first Fibre Channel Address
Identifier in a range, that was assigned and has since been
released on this Fabric.
Note that this object is only 2 bytes and only
contains the Area_ID and Port_ID."
::= { t11FamFcIdCacheEntry 2 }
t11FamFcIdCachePortIds OBJECT-TYPE
SYNTAX Unsigned32 (0..65535)
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The number of Port_IDs in the range all of which were
assigned and later released. The range starts with the
Port_ID contained in the second byte of
t11FamFcIdCacheAreaIdPortId for the Area_ID contained in the
first byte of object t11FamFcIdCacheAreaIdPortId."
::= { t11FamFcIdCacheEntry 3 }
-- Objects for use in notifications
t11FamNotifyFabricIndex OBJECT-TYPE
SYNTAX FabricIndex
MAX-ACCESS accessible-for-notify
STATUS current
DESCRIPTION
"A unique index value which identifies a particular
Fabric for which a particular notification is generated.
In a Fabric conformant to SW-3, only a single Fabric
can operate within a physical infrastructure, and thus,
the value of this Fabric Index will always be 1.
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However, it is possible that future standards will define
how multiple Fabrics, each with its own management
instrumentation, could operate within a single physical
infrastructure. To allow for this future possibility, this
value uniquely identifies the Fabric within the physical
infrastructure for which a notification is generated."
::= { t11FamNotifyControl 2 }
-- Notifications
t11FamDomainIdNotAssignedNotify NOTIFICATION-TYPE
OBJECTS { t11FamLocalSwitchWwn, t11FamNotifyFabricIndex }
STATUS current
DESCRIPTION
"This notification indicates that a Domain_ID has not
been not configured nor assigned for a particular Fabric,
identified by t11FamNotifyFabricIndex, on a particular
switch identified by t11FamLocalSwitchWwn. This could
happen under the following conditions, and results in the
switch isolating E_Ports on the Fabric:
- if the switch's request for a configured static
Domain_ID is rejected or no other Domain_ID is
assigned, then the E_Ports are isolated."
::= { t11FamNotifications 1 }
t11FamNewPrincipalSwitchNotify NOTIFICATION-TYPE
OBJECTS { t11FamLocalSwitchWwn, t11FamNotifyFabricIndex }
STATUS current
DESCRIPTION
"This notification indicates that a particular switch,
identified by t11FamLocalSwitchWwn, has become the new
Principal Switch on the Fabric identified by
t11FamNotifyFabricIndex.
This notification is sent soon after its election as
the new Principal Switch, i.e., upon expiration of a
Principal Switch selection timer which is equal to
twice the Fabric Stability Timeout value (F_S_TOV)."
::= { t11FamNotifications 2 }
t11FamFabricChangeNotify NOTIFICATION-TYPE
OBJECTS { t11FamLocalSwitchWwn, t11FamNotifyFabricIndex }
STATUS current
DESCRIPTION
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"This notification is sent whenever a particular switch,
identified by t11FamLocalSwitchWwn, sends or
receives a Build Fabric (BF) or a ReConfigure Fabric
(RCF) message on the Fabric identified by
t11FamNotifyFabricIndex.
This notification is not sent if a
't11FamNewPrincipalSwitchNotify' notification is sent
for the same event."
::= { t11FamNotifications 3 }
--
-- Conformance
--
t11FamMIBCompliances OBJECT IDENTIFIER ::= { t11FamMIBConformance 1 }
t11FamMIBGroups OBJECT IDENTIFIER ::= { t11FamMIBConformance 2 }
t11FamMIBCompliance MODULE-COMPLIANCE
STATUS current
DESCRIPTION
"The compliance statement for Fibre Channel switches which
implement Fabric Address Manager functionality."
MODULE
MANDATORY-GROUPS { t11FamGroup,
t11FamDatabaseGroup,
t11FamAreaGroup,
t11FamNotificationGroup
}
OBJECT t11FamConfigDomainId
MIN-ACCESS read-only
DESCRIPTION
"Write access is not required."
OBJECT t11FamConfigDomainIdType
MIN-ACCESS read-only
DESCRIPTION
"Write access is not required."
OBJECT t11FamAutoReconfigure
MIN-ACCESS read-only
DESCRIPTION
"Write access is not required."
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OBJECT t11FamContiguousAllocation
MIN-ACCESS read-only
DESCRIPTION
"Write access is not required."
OBJECT t11FamPriority
MIN-ACCESS read-only
DESCRIPTION
"Write access is not required."
OBJECT t11FamIfRcfReject
MIN-ACCESS read-only
DESCRIPTION
"Write access is not required."
OBJECT t11FamIfRowStatus
MIN-ACCESS read-only
DESCRIPTION
"Write access is not required."
OBJECT t11FamRcFabricNotifyEnable
MIN-ACCESS read-only
DESCRIPTION
"Write access is not required."
GROUP t11FamCacheGroup
DESCRIPTION
"This group is mandatory only for switches which
support the concept of Preferred Domain_ID via a best
effort attempt for (short-term) re-assignment of the
same FC address identifiers."
GROUP t11FamCommandGroup
DESCRIPTION
"This group is optional."
::= { t11FamMIBCompliances 1 }
-- Units of Conformance
t11FamGroup OBJECT-GROUP
OBJECTS { t11FamConfigDomainId,
t11FamConfigDomainIdType,
t11FamAutoReconfigure,
t11FamContiguousAllocation,
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t11FamPriority,
t11FamPrincipalSwitchWwn,
t11FamLocalSwitchWwn,
t11FamAssignedAreaIdList,
t11FamGrantedFcIds,
t11FamRecoveredFcIds,
t11FamFreeFcIds,
t11FamAssignedFcIds,
t11FamAvailableFcIds,
t11FamRunningPriority,
t11FamPrincSwRunningPriority,
t11FamState,
t11FamPrincipalSwitchSelections,
t11FamBuildFabrics,
t11FamFabricReconfigures,
t11FamDomainId,
t11FamLocalPrincipalSwitchSlctns,
t11FamIfRcfReject,
t11FamIfRole,
t11FamIfRowStatus,
t11FamRcFabricNotifyEnable,
t11FamNotifyFabricIndex,
t11FamSticky
}
STATUS current
DESCRIPTION
"A collection of general objects for displaying and
configuring Fabric Address management."
::= { t11FamMIBGroups 1 }
t11FamCommandGroup OBJECT-GROUP
OBJECTS { t11FamRestart }
STATUS current
DESCRIPTION
"A collection of objects used for initiating an
operation on the Fabric."
::= { t11FamMIBGroups 2 }
t11FamDatabaseGroup OBJECT-GROUP
OBJECTS { t11FamDatabaseSwitchWwn }
STATUS current
DESCRIPTION
"A collection of objects containing information about
Domain-IDs assignments."
::= { t11FamMIBGroups 3 }
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t11FamAreaGroup OBJECT-GROUP
OBJECTS { t11FamAreaAssignedPortIdList }
STATUS current
DESCRIPTION
"A collection of objects containing information about
currently assigned addresses within a Domain."
::= { t11FamMIBGroups 4 }
t11FamCacheGroup OBJECT-GROUP
OBJECTS { t11FamMaxFcIdCacheSize,
t11FamFcIdCacheAreaIdPortId,
t11FamFcIdCachePortIds
}
STATUS current
DESCRIPTION
"A collection of objects containing information about
recently-released Fibre Channel Address Identifiers."
::= { t11FamMIBGroups 5 }
t11FamNotificationGroup NOTIFICATION-GROUP
NOTIFICATIONS { t11FamDomainIdNotAssignedNotify,
t11FamNewPrincipalSwitchNotify,
t11FamFabricChangeNotify }
STATUS current
DESCRIPTION
"A collection of notifications for status monitoring
and notification."
::= { t11FamMIBGroups 6 }
END
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7. 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.
8. Acknowledgements
This document is currently a work item of the INCITS Task Group
T11.5. We wish to acknowledge the many contributions and comments
from the INCITS Technical Committee T11, including the following:
T11 Chair: Robert Snively, Brocade
T11 Vice Chair: Claudio Desanti, Cisco Systems
T11.5 Chair: Roger Cummings, VERITAS
T11.5 members, especially:
Ken Hirata, Emulex
Scott Kipp, McData
Michael O'Donnell, McData
Elizabeth G. Rodriguez, Dot Hill
Steven L. Wilson, Brocade
9. Normative References
[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.
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[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.
[IF-MIB]
McCloghrie, K., and F. Kastenholz, "The Interfaces Group MIB", RFC
2863, June 2000.
[FC-MGMT]
K. McCloghrie, "Fibre Channel Management MIB", Internet-Draft
(draft-ietf-ips-fcmgmt-mib-nn.txt), work-in-progress.
[FC-SW-3]
"Fibre Channel - Switch Fabric - 3 (FC-SW-3)", ANSI INCITS
384-2004, May 2004.
[FC-FS]
"Fibre Channel - Framing and Signaling (FC-FS)", ANSI INCITS
373-2003, October 2003.
10. Informative References
[RFC2837]
Teow, K., "Definitions of Managed Objects for the Fabric Element in
Fibre Channel Standard", RFC 2837, May 2000.
[RFC3410]
Case, J., Mundy, R., Partain, D. and B. Stewart, "Introduction and
Applicability Statements for Internet-Standard Management
Framework", RFC 3410, December 2002.
[FC-MI]
"Fibre Channel - Methodologies for Interconnects (FC-MI)",
ANSI INCITS TR-30-2002, November 2002.
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11. Security Considerations
There are a number of management objects defined in this MIB module
with a MAX-ACCESS clause of read-write and/or read-create. 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. These are the tables and objects and their
sensitivity/vulnerability:
t11FamConfigDomainId, t11FamConfigDomainIdType and
t11FamContiguousAllocation -- ability to change the address
allocation policy.
t11FamRestart and t11FamAutoReconfigure -- ability to cause a
fabric reconfiguration, e.g., on certain error conditions.
t11FamPriority -- ability to affect which switch becomes the
Principal switch.
t11FamRcFabricNotifyEnabl -- ability to enable/disable a
notification.
t11FamIfRcfReject -- ability to change the switch's behaviour on
receipt of an RCF.
t11FamIfRowStatus -- ability to change an interface
configuration parameter.
Some of the readable objects in this MIB module (i.e., objects with a
MAX-ACCESS other than not-accessible) may also be considered
sensitive or vulnerable in some network environments. It is thus
important to control even GET and/or NOTIFY access to these objects
and possibly to even encrypt the values of these objects when sending
them over the network via SNMP. These are the tables and objects and
their sensitivity/vulnerability:
t11FamTable and t11FamIfTable -- contain the configuration,
status and statistics of the Fabric Address Manager.
t11FamAreaTable, t11FamDatabaseTable and t11FamFcIdCacheTable --
contain information on currently assigned or recently-released
addresses.
SNMP versions prior to SNMPv3 did not include adequate security.
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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 module.
It is RECOMMENDED that implementors consider the security features as
provided by the SNMPv3 framework (see [RFC3410], section 8),
including full support for the SNMPv3 cryptographic mechanisms (for
authentication and privacy).
Further, deployment of SNMP versions prior to SNMPv3 is NOT
RECOMMENDED. Instead, it is RECOMMENDED to deploy SNMPv3 and to
enable cryptographic security. It is then a customer/operator
responsibility to ensure that the SNMP entity giving access to an
instance of this MIB module is properly configured to give access to
the objects only to those principals (users) that have legitimate
rights to indeed GET or SET (change/create/delete) them.
12. Authors' Addresses
Claudio DeSanti
Cisco Systems, Inc.
170 West Tasman Drive
San Jose, CA 95134 USA
Phone: +1 408 853-9172
EMail: cds@cisco.com
Vinay Gaonkar
Cisco Systems, Inc.
170 West Tasman Drive
San Jose, CA 95134 USA
Phone: +1 408 527-8576
EMail: vgaonkar@cisco.com
Keith McCloghrie
Cisco Systems, Inc.
170 West Tasman Drive
San Jose, CA USA 95134
Phone: +1 408-526-5260
Email: kzm@cisco.com
Silvano Gai
Cisco Systems, Inc.
170 West Tasman Drive
San Jose, CA USA 95134
Phone: +1 408-526-7269
Email: sgai@cisco.com
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13. Full Copyright Statement
Copyright (C) The Internet Society (2004). This document is subject
to the rights, licenses and restrictions contained in BCP 78, and
except as set forth therein, the authors retain all their rights.
Intellectual Property Statement
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pertain to the implementation or use of the technology described in
this document or the extent to which any license under such rights
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made any independent effort to identify any such rights. Information
on the procedures with respect to rights in RFC documents can be
found in BCP 78 and BCP 79.
Copies of IPR disclosures made to the IETF Secretariat and any
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http://www.ietf.org/ipr.
The IETF invites any interested party to bring to its attention any
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Acknowledgment
Funding for the RFC Editor function is currently provided by the
Internet Society.
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