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DRAFT STANDARD
Network Working Group T. Brown
Request for Comments: 1694 K. Tesink
Obsoletes: 1304 Editors
Category: Standards Track Bell Communications Research
August 1994
Definitions of Managed Objects
for SMDS Interfaces using SMIv2
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.
Abstract
This memo defines a portion of the Management Information Base (MIB)
for use with network management protocols in TCP/IP-based internets.
In particular, it defines objects for managing objects for SMDS
access interfaces. This includes the following access protocols:
SIP [13]
SIP/DXI [18] and [20]
SIP/FR [19]
SIP/ATM [24]
This memo replaces RFC 1304 [12], and defines a MIB module which is
both compliant to the SNMPv2 SMI and semantically-identical to the
existing RFC 1304-based definitions.
This memo also assumes application of the MIB II Interfaces group as
defined in [9].
Table of Contents
1. The SNMPv2 Network Management Framework ............... 2
2. Objects ............................................... 3
2.1 Format of Definitions ................................ 3
3. Overview .............................................. 4
3.1 SIP Level 3 .......................................... 5
4. Object Definitions .................................... 9
4.1 The SIP Level 3 Group ................................ 10
4.2 The SIP Level 2 Group ................................ 14
4.3 The SIP PLCP Group ................................... 17
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RFC 1694 SMDS Interface Objects August 1994
4.3.1 The DS1 PLCP Group ................................. 17
4.3.2 The DS3 PLCP Group ................................. 19
4.4 The SMDS Applications Group .......................... 20
4.4.1 The IP over SMDS Group ............................. 21
4.5 The SMDS Carrier Selection Group ..................... 22
4.6 The SIP Error Log Group .............................. 23
4.7 The Data eXchange Interface Group .................... 27
4.8 Conformance Information .............................. 29
5. Acknowledgments ....................................... 32
6. References ............................................ 32
7. Security Considerations ............................... 34
8. Authors' Addresses .................................... 35
1. The SNMPv2 Network Management Framework
The SNMPv2 Network Management Framework consists of four major
components. They are:
o RFC 1442 [1] which defines the SMI, the mechanisms used for
describing and naming objects for the purpose of
management.
o STD 17, RFC 1213 [6] defines MIB-II, the core set of managed
objects for the Internet suite of protocols. Reference [12]
defines the evolution of the Interfaces Group of MIB II in
terms of extensions and precise applications of the objects.
o RFC 1445 [4] which defines the administrative and other
architectural aspects of the framework.
o RFC 1448 [5] which defines the protocol used for network
access to managed objects.
The Framework permits new objects to be defined for the purpose of
experimentation and evaluation.
This specification makes also use of:
o RFC 1443 [2] which defines textual conventions for the
specification of managed objects.
o RFC 1444 [3] which defines conformance statements for the
specification of managed objects.
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RFC 1694 SMDS Interface Objects August 1994
2. Objects
Managed objects are accessed via a virtual information store, termed
the Management Information Base or MIB. Objects in the MIB are
defined using the subset of Abstract Syntax Notation One (ASN.1) [7]
defined in the SMI. In particular, each object has a name, a syntax,
and an encoding. The name is an object identifier, an
administratively assigned name, which specifies an object type. The
object type together with an object instance serves to uniquely
identify a specific instantiation of the object. For human
convenience, we often use a textual string, termed the OBJECT
DESCRIPTOR, to also refer to the object type.
The syntax of an object type defines the abstract data structure
corresponding to that object type. The ASN.1 language is used for
this purpose. However, the SMI RFC 1442 purposely restricts the
ASN.1 constructs which may be used. These restrictions are
explicitly made for simplicity.
The encoding of an object type is simply how that object type is
represented using the object type's syntax. Implicitly tied to the
notion of an object type's syntax and encoding is how the object type
is represented when being transmitted on the network. The SMI
specifies the use of the basic encoding rules of ASN.1 [8], subject
to the additional requirements imposed by the SNMP.
2.1. Format of Definitions
Section 4 contains contains the specification of all object types
contained in this MIB module. The object types are defined using the
conventions defined in the SMI, as amended by the extensions
specified in the SNMPv2 SMI.
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RFC 1694 SMDS Interface Objects August 1994
3. Overview
SMDS is a service that can be provided by numerous interface
protocols as shown in the following figure:
+-------------------+ +-------------------+
| SIP Level 3* [13] | | SIP Level 3* [13] |
+-------------------+ +-------------------+
| SIP Level 2* [13] | | DXI Level 2* [20] |
+-------------------+ +-------------------+
| SIP PLCP* [14] | | |
+-------------------+ | DXI Level 1 [20] |
| SIP Level 1 [14] | | |
+-------------------+ +-------------------+
SIP based access DXI based access
+-------------------+ +-------------------+
| SIP Level 3* [13] | | SIP Level 3* [13] |
+-------------------+ +-------------------+
| ATM [21] | | Frame Relay [19] |
+-------------------+ +-------------------+
| ATM PLCP [21] | | |
+-------------------+ | Frame Relay [19] |
| ATM Level 1 [21] | | Level 1 |
+-------------------+ +-------------------+
ATM based access FR based access
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RFC 1694 SMDS Interface Objects August 1994
In the figure below, managed objects for the protocol levels marked
with a (*) are defined in this memo. Additional managed objects that
must be used to manage SMDS interfaces are defined in other MIB
modules as indicated in the figure.
+-------------------+ +-------------------+
| SIP Level 3* | | SIP Level 3* |
+-------------------+ +-------------------+
| SIP Level 2* | | DXI Level 2* |
+-------------------+ +-------------------+
| SIP PLCP* | | |
+-------------------+ | DXI Level 1 |
| SIP Level 1 | | |
| [10] or [11] | | [10] |
+-------------------+ +-------------------+
SIP based access DXI based access
+-------------------+ +-------------------+
| SIP Level 3* | | SIP Level 3* |
+-------------------+ +-------------------+
| ATM [22] | | Frame Relay [23] |
+-------------------+ +-------------------+
| ATM PLCP/TC [22] | | |
+-------------------+ | Frame Relay |
| ATM Level 1 [10] | | Level 1 |
| [11], or [25] | | [10] or [11] |
+-------------------+ +-------------------+
ATM based access FR based access
With the improved interpretation of the MIB II interfaces group [9],
some objects can be represented by ifTable. This means that these
objects have been deprecated from the MIB module defined in RFC 1304,
and ifTable is used instead. No semantical changes have been made to
these objects. Only the object identifiers and object descriptors
have been changed to the objects defined in ifTable.
Implementation experience has shown that the objects
sipL3UnrecognizedIndividualDAs and sipL3UnrecognizedGAs were not
supported.
3.1. SIP Level 3
Objects for SIP Level 3 apply to all methods to access SMDS shown in
the figures above. With the improved interpretation of the MIB II
interfaces group, most objects can be represented by ifTable. The
appropriate mapping is defined below.
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RFC 1694 SMDS Interface Objects August 1994
This document does not specify objects for the management of
subscription or configuration of Subscriber-Network Interfaces
(SNIs). Those objects are defined in Definitions of Managed Objects
for SMDS Subscription [17]. Bellcore requirements on these objects
are specified in TR-TSV-001062 [16].
ifTable Object Use for
======================================================
ifIndex Interface index.
ifDescr Interface description.
For example, SIP Level 3 sublayer
of a SNI.
ifType Set to 31.
ifMtu Set to 9232.
ifSpeed Peak bandwidth in bits per second available
for use as provided by the supporting Level
2 protocol. For example, 1.17 Mbps when
using SIP based DS1 SNIs, and 1.536 Mbps
when using DXI-based DS1 DXI-SNI.
ifPhysAddress OCTET STRING of Size 8. Value is
a 16-digit Binary Coded Decimal
SMDS address that is
assigned to this interface.
ifAdminStatus The desired administrative status of the
SMDS interface.
ifOperStatus The current operational status of the
SMDS interface.
ifLastChange The elapsed time since the last
re-initialization of the interface.
The value of sysUpTime at the time the
interface entered its current
operational state. If the current
state was entered prior to the last
re-initialization of the local
network management subsystem, then
this object contains a zero value.
ifInOctets Number of received octets at SIP Level 3.
For SIP based SNIs, this is the number of
sipL2ReceivedCounts multiplied by 44.
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RFC 1694 SMDS Interface Objects August 1994
ifInUcastPkts The total number of individually addressed
SIP Level 3 PDUs received from the remote
system across the SNI. The total includes
only unerrored SIP Level 3 PDUs.
[identical to RFC1304:
sipL3ReceivedIndividualDAs]
ifInDiscards The number of received SIP Level 3 PDUs
discarded. For SMDS interfaces, this
counter will always be zero.
ifInErrors The total number of SIP Level 3 PDUs
received from the remote system that were
discovered to have errors (including
protocol processing and bit errors but
excluding addressing-related errors) and
were discarded. Includes both group
addressed SIP Level 3 PDUs and SIP Level
3 PDUs containing an individual
destination address.
[identical to RFC1304: sipL3Errors]
ifInUnknownProtos The number of SIP Level 3 PDUs received
from the remote system with a Source or
Destination Address_Type subfields, (the
four most significant bits of the 64 bit
address field), not equal to the value
1100 or 1110. Also, an error is
considered to have occurred if the
Address_Type field for a Source Address
is equal to 1110 (a group address).
[identical to RFC1304:
sipL3InvalidSMDSAddressTypes]
ifOutOctets Number of received octets for transmission
at SIP Level 3. For SIP based
SNIs, this is the number
of sipL2SentCounts multiplied by 44.
ifOutUcastPkts The number of individually addressed SIP
Level 3 PDUs that have been sent by this
system across the interface.
[identical to RFC1304:
sipL3SentIndividualDAs]
ifOutDiscards The number of SIP Level 3 PDUs discarded in
the egress direction. For SMDS interfaces,
this counter will always be zero.
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RFC 1694 SMDS Interface Objects August 1994
ifOutErrors The number of SIP Level 3 PDUs
discarded in the egress
direction, because of errors.
For SMDS interfaces, this counter will
always be zero.
ifName The textual name of the interface.
If not used, this variable contains
a zero-length string.
ifInMulticastPkts The total number of group addressed SIP
Level 3 PDUs received from the remote
system across the interface. The total
includes only unerrored SIP Level 3 PDUs.
[identical to RFC1304: sipL3ReceivedGAs]
ifInBroadcastPkts This variable is not applicable for SMDS
interfaces. Therefore, this counter is
always zero.
ifOutMulticastPkts The number of group addressed SIP Level 3
PDUs that have been sent by this system
across the interface.
[identical to RFC1304: sipL3SentGAs]
ifOutBroadcastPkts This variable is not applicable for SMDS
interfaces. Therefore, this counter is
always zero.
ifLinkUpDownTrapEnble The value of this object is
disabled(2) for SIP Level 3 interfaces.
ifHighSpeed Set to the user data rate of the
interface in millions of bits per second.
If the user data rate is less than 1 Mbps,
then this value is zero.
ifPromiscuousMode Set to false(2).
ifConnectorPresent Set to false(2).
Consult the Evolution of the Interfaces Group [9] for when to use the
HC (High Capacity) counters (e.g., ifHCInOctets is a 64-bit counter).
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RFC 1694 SMDS Interface Objects August 1994
4. Object Definitions
SIP-MIB DEFINITIONS ::= BEGIN
IMPORTS
MODULE-IDENTITY, OBJECT-TYPE, Counter32,
Integer32, IpAddress FROM SNMPv2-SMI
TimeStamp, TEXTUAL-CONVENTION FROM SNMPv2-TC
MODULE-COMPLIANCE, OBJECT-GROUP FROM SNMPv2-CONF
transmission, ifIndex, mib-2 FROM RFC1213-MIB;
-- This is the MIB module for the SMDS Interface objects.
sipMIB MODULE-IDENTITY
LAST-UPDATED "9403311818Z"
ORGANIZATION "IETF Interfaces Working Group"
CONTACT-INFO
" Tracy Brown
Postal: Bell Communications Research
331 Newman Springs Road
P.O. Box 7020
Red Bank, NJ 07701-7020
US
Tel: +1 908 758-2107
Fax: +1 908 758-4177
E-mail: tacox@mail.bellcore.com
Kaj Tesink
Postal: Bell Communications Research
331 Newman Springs Road
P.O. Box 7020
Red Bank, NJ 07701-7020
US
Tel: +1 908 758 5254
Fax: +1 908 758 4177
E-mail: kaj@cc.bellcore.com."
DESCRIPTION
"The MIB module to describe
SMDS interfaces objects."
::= { mib-2 36 }
SMDSAddress ::= TEXTUAL-CONVENTION
DISPLAY-HINT "1h:"
STATUS current
DESCRIPTION
"The 60-bit SMDS address,
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RFC 1694 SMDS Interface Objects August 1994
preceded by 4 bits with the following values:
1100 when representing an individual address
1110 when representing a group address."
SYNTAX OCTET STRING (SIZE (8))
IfIndex ::= TEXTUAL-CONVENTION
STATUS current
DESCRIPTION
"The value of this object identifies the
interface for which this entry contains
management information. The value of this
object for a particular interface has the same
value as the ifIndex object, defined in RFC
1213, for the same interface."
SYNTAX Integer32
sip OBJECT IDENTIFIER ::= { transmission 31 }
sipMIBObjects OBJECT IDENTIFIER ::= { sipMIB 1 }
-- The SIP Level 3 Group
sipL3Table OBJECT-TYPE
SYNTAX SEQUENCE OF SipL3Entry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"This table contains SIP L3 parameters and
state variables, one entry per SIPL3 interface."
::= { sip 1 }
sipL3Entry OBJECT-TYPE
SYNTAX SipL3Entry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"This list contains SIP L3 parameters and
state variables."
INDEX { sipL3Index }
::= { sipL3Table 1 }
SipL3Entry ::= SEQUENCE {
sipL3Index IfIndex,
sipL3ReceivedIndividualDAs Counter32,
sipL3ReceivedGAs Counter32,
sipL3UnrecognizedIndividualDAs Counter32,
sipL3UnrecognizedGAs Counter32,
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RFC 1694 SMDS Interface Objects August 1994
sipL3SentIndividualDAs Counter32,
sipL3SentGAs Counter32,
sipL3Errors Counter32,
sipL3InvalidSMDSAddressTypes Counter32,
sipL3VersionSupport Integer32
}
sipL3Index OBJECT-TYPE
SYNTAX IfIndex
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The value of this object identifies the SIP
L3 interface for which this entry contains
management information. "
::= { sipL3Entry 1 }
sipL3ReceivedIndividualDAs OBJECT-TYPE
SYNTAX Counter32
MAX-ACCESS read-only
STATUS deprecated
-- Moved to ifTable
-- ifInUcastPkts defined in [9] must be used instead.
DESCRIPTION
"The total number of individually addressed SIP
Level 3 PDUs received from the remote system
across the SNI. The total includes only
unerrored L3PDUs."
::= { sipL3Entry 2 }
sipL3ReceivedGAs OBJECT-TYPE
SYNTAX Counter32
MAX-ACCESS read-only
STATUS deprecated
-- Moved to ifTable
-- ifInMulticastPkts defined in [9] must be used instead.
DESCRIPTION
"The total number of group addressed SIP Level 3
PDUs received from the remote system across the
SNI. The total includes only unerrored L3PDUs."
::= { sipL3Entry 3 }
sipL3UnrecognizedIndividualDAs OBJECT-TYPE
SYNTAX Counter32
MAX-ACCESS read-only
STATUS deprecated
DESCRIPTION
"The number of SIP Level 3 PDUs received from the
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RFC 1694 SMDS Interface Objects August 1994
remote system with invalid or unknown individual
destination addresses (Destination Address
Screening violations are not included). See SMDS
Subscription MIB module."
::= { sipL3Entry 4 }
sipL3UnrecognizedGAs OBJECT-TYPE
SYNTAX Counter32
MAX-ACCESS read-only
STATUS deprecated
DESCRIPTION
"The number of SIP Level 3 PDUs received from the
remote system with invalid or unknown group
addresses. (Destination Address Screening
violations are not included). See SMDS
Subscription MIB module."
::= { sipL3Entry 5 }
sipL3SentIndividualDAs OBJECT-TYPE
SYNTAX Counter32
MAX-ACCESS read-only
STATUS deprecated
-- Moved to ifTable
-- ifOutUcastPkts defined in [9] must be used instead.
DESCRIPTION
"The number of individually addressed SIP Level 3
PDUs that have been sent by this system across the
SNI."
::= { sipL3Entry 6 }
sipL3SentGAs OBJECT-TYPE
SYNTAX Counter32
MAX-ACCESS read-only
STATUS deprecated
-- Moved to ifTable
-- ifOutMulticastPkts defined in [9] must be used instead.
DESCRIPTION
"The number of group addressed SIP L3PDUs that
have been sent by this system across the SNI."
::= { sipL3Entry 7 }
-- The total number of SIP L3PDU errors can be calculated as
-- (Syntactic errors + Semantic Service errors )
-- Syntactic errors include:
-- sipL3Errors
-- Latest occurrences of syntactic error types are logged in
-- sipL3PDUErrorTable.
-- Semantic Service errors include:
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RFC 1694 SMDS Interface Objects August 1994
-- sipL3UnrecognizedIndividualDAs
-- sipL3UnrecognizedGAs
-- sipL3InvalidSMDSAddressTypes
-- Note that public networks supporting SMDS may discard
-- SIP L3PDUs due to subscription violations. Related
-- managed objects are defined in Definitions of Managed
-- Objects for SMDS Subscription.
sipL3Errors OBJECT-TYPE
SYNTAX Counter32
MAX-ACCESS read-only
STATUS deprecated
-- Moved to ifTable
-- ifInErrors defined in [9] must be used instead.
DESCRIPTION
"The total number of SIP Level 3 PDUs received
from the remote system that were discovered to
have errors (including protocol processing and bit
errors but excluding addressing-related errors)
and were discarded. Includes both group addressed
L3PDUs and L3PDUs containing an individual
destination address."
::= { sipL3Entry 8 }
sipL3InvalidSMDSAddressTypes OBJECT-TYPE
SYNTAX Counter32
MAX-ACCESS read-only
STATUS deprecated
-- Moved to ifTable
-- ifInUnknownProtos defined in [9] must be used instead.
DESCRIPTION
"The number of SIP Level 3 PDUs received from the
remote system that had the Source or Destination
Address_Type subfields, (the four most significant
bits of the 64 bit address field), not equal to
the value 1100 or 1110. Also, an error is
considered to have occurred if the Address_Type
field for a Source Address, the four most
significant bits of the 64 bits, is equal to 1110
(a group address)."
::= { sipL3Entry 9 }
sipL3VersionSupport OBJECT-TYPE
SYNTAX Integer32
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"A value which indicates the version(s) of SIP
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RFC 1694 SMDS Interface Objects August 1994
that this interface supports. The value is a sum.
This sum initially takes the value zero. For each
version, V, that this interface supports, 2 raised
to (V - 1) is added to the sum. For example, a
port supporting versions 1 and 2 would have a
value of (2^(1-1)+2^(2-1))=3. The
sipL3VersionSupport is effectively a bit mask with
Version 1 equal to the least significant bit
(LSB)."
::= { sipL3Entry 10 }
-- The SIP Level 2 Group
sipL2Table OBJECT-TYPE
SYNTAX SEQUENCE OF SipL2Entry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"This table contains SIP L2PDU parameters and
state variables, one entry per SIP L2 interface."
::= { sip 2 }
sipL2Entry OBJECT-TYPE
SYNTAX SipL2Entry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"This list contains SIP L2 parameters and state
variables."
INDEX { sipL2Index }
::= { sipL2Table 1 }
SipL2Entry ::= SEQUENCE {
sipL2Index IfIndex,
sipL2ReceivedCounts Counter32,
sipL2SentCounts Counter32,
sipL2HcsOrCRCErrors Counter32,
sipL2PayloadLengthErrors Counter32,
sipL2SequenceNumberErrors Counter32,
sipL2MidCurrentlyActiveErrors Counter32,
sipL2BomOrSSMsMIDErrors Counter32,
sipL2EomsMIDErrors Counter32
}
sipL2Index OBJECT-TYPE
SYNTAX IfIndex
MAX-ACCESS read-only
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STATUS current
DESCRIPTION
"The value of this object identifies the SIP
interface for which this entry contains management
information."
::= { sipL2Entry 1 }
sipL2ReceivedCounts OBJECT-TYPE
SYNTAX Counter32
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The number of SIP Level 2 PDUs received from the
remote system across the SNI. The total includes
only unerrored L2PDUs."
::= { sipL2Entry 2 }
sipL2SentCounts OBJECT-TYPE
SYNTAX Counter32
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The number of SIP Level 2 PDUs that have been
sent by this system across the SNI."
::= { sipL2Entry 3 }
-- The following error types are counted, and
-- preclude sipL2ReceivedCounts to be incremented:
-- sipL2HcsOrCRCErrors
-- sipL2PayloadLengthErrors
-- sipL2SequenceNumberErrors
-- sipL2BomOrSSMsMIDErrors
-- sipL2EomsMIDErrors
-- The receipt of SIP Level 2 PDUs which are BOMs and
-- for with a MID that is already active will cause
-- sipL2MidCurrentlyActiveErrors to increment.
-- Any already accumulated (correct) segmentation
-- units are discarded.The sipL2ReceivedCounts
-- is incremented by 1. Thus,
-- sipL2ReceivedCounts defines the number of
-- correct SIP Level 2 PDUs delivered to the reassembly
-- process.
sipL2HcsOrCRCErrors OBJECT-TYPE
SYNTAX Counter32
MAX-ACCESS read-only
STATUS current
DESCRIPTION
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RFC 1694 SMDS Interface Objects August 1994
"The number of received SIP Level 2 PDUs that were
discovered to have either a Header Check Sequence
error or a Payload CRC violation."
::= { sipL2Entry 4 }
sipL2PayloadLengthErrors OBJECT-TYPE
SYNTAX Counter32
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The number of received SIP Level 2 PDUs that had
Payload Length errors that fall in the following
specifications:
- SSM L2_PDU payload length field value less
- than 28 octets or greater than 44 octets,
- BOM or COM L2_PDU payload length field not
- equal to 44 octets,
- EOM L2_PDU payload length field value less
- than 4 octets or greater than 44 octets."
::= { sipL2Entry 5 }
sipL2SequenceNumberErrors OBJECT-TYPE
SYNTAX Counter32
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The number of received SIP Level 2 PDUs that had
a sequence number within the L2PDU not equal to
the expected sequence number of the SMDS SS
receive process."
::= { sipL2Entry 6 }
sipL2MidCurrentlyActiveErrors OBJECT-TYPE
SYNTAX Counter32
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The number of received SIP Level 2 PDUs that are
BOMs for which an active receive process is
already started."
::= { sipL2Entry 7 }
sipL2BomOrSSMsMIDErrors OBJECT-TYPE
SYNTAX Counter32
MAX-ACCESS read-only
STATUS current
DESCRIPTION
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RFC 1694 SMDS Interface Objects August 1994
"The number of received SIP Level 2 PDUs that are
SSMs with a MID not equal to zero or are BOMs with
MIDs equal to zero."
::= { sipL2Entry 8 }
sipL2EomsMIDErrors OBJECT-TYPE
SYNTAX Counter32
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The number of received SIP Level 2 PDUs that are
EOMs for which there is no active receive process
for the MID (i.e., the receipt of an EOM which
does not correspond to a BOM) OR the EOM has a MID
equal to zero."
::= { sipL2Entry 9 }
-- The SIP PLCP Group
sipPLCP OBJECT IDENTIFIER ::= { sip 3 }
-- The DS1 PLCP Group
sipDS1PLCPTable OBJECT-TYPE
SYNTAX SEQUENCE OF SipDS1PLCPEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"This table contains SIP DS1 PLCP parameters and
state variables, one entry per SIP port."
::= { sipPLCP 1 }
sipDS1PLCPEntry OBJECT-TYPE
SYNTAX SipDS1PLCPEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"This list contains SIP DS1 PLCP parameters and
state variables."
INDEX { sipDS1PLCPIndex }
::= { sipDS1PLCPTable 1 }
SipDS1PLCPEntry ::= SEQUENCE {
sipDS1PLCPIndex IfIndex,
sipDS1PLCPSEFSs Counter32,
sipDS1PLCPAlarmState INTEGER,
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RFC 1694 SMDS Interface Objects August 1994
sipDS1PLCPUASs Counter32
}
sipDS1PLCPIndex OBJECT-TYPE
SYNTAX IfIndex
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The value of this object identifies the
interface for which this entry contains management
information. "
::= { sipDS1PLCPEntry 1 }
sipDS1PLCPSEFSs OBJECT-TYPE
SYNTAX Counter32
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"A DS1 Severely Errored Framing Second (SEFS) is a
count of one-second intervals containing one or
more SEF events. A Severely Errored Framing (SEF)
event is declared when an error in the A1 octet
and an error in the A2 octet of a framing octet
pair (i.e., errors in both framing octets), or two
consecutive invalid and/or nonsequential Path
Overhead Identifier octets are detected."
::= { sipDS1PLCPEntry 2 }
sipDS1PLCPAlarmState OBJECT-TYPE
SYNTAX INTEGER {
noAlarm (1),
receivedFarEndAlarm (2),
incomingLOF (3)
}
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"This variable indicates if there is an alarm
present for the DS1 PLCP. The value
receivedFarEndAlarm means that the DS1 PLCP has
received an incoming Yellow Signal, the value
incomingLOF means that the DS1 PLCP has declared a
loss of frame (LOF) failure condition, and the
value noAlarm means that there are no alarms
present. See TR-TSV-000773 for a description of
alarm states."
::= { sipDS1PLCPEntry 3 }
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RFC 1694 SMDS Interface Objects August 1994
sipDS1PLCPUASs OBJECT-TYPE
SYNTAX Counter32
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The counter associated with the number of
Unavailable Seconds, as defined by TR-TSV-000773,
encountered by the PLCP."
::= { sipDS1PLCPEntry 4 }
-- The DS3 PLCP Group
sipDS3PLCPTable OBJECT-TYPE
SYNTAX SEQUENCE OF SipDS3PLCPEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"This table contains SIP DS3 PLCP parameters and
state variables, one entry per SIP port."
::= { sipPLCP 2 }
sipDS3PLCPEntry OBJECT-TYPE
SYNTAX SipDS3PLCPEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"This list contains SIP DS3 PLCP parameters and
state variables."
INDEX { sipDS3PLCPIndex }
::= { sipDS3PLCPTable 1 }
SipDS3PLCPEntry ::= SEQUENCE {
sipDS3PLCPIndex IfIndex,
sipDS3PLCPSEFSs Counter32,
sipDS3PLCPAlarmState INTEGER,
sipDS3PLCPUASs Counter32
}
sipDS3PLCPIndex OBJECT-TYPE
SYNTAX IfIndex
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The value of this object identifies the
interface for which this entry contains management
information. "
::= { sipDS3PLCPEntry 1 }
Brown & Tesink [Page 19]
RFC 1694 SMDS Interface Objects August 1994
sipDS3PLCPSEFSs OBJECT-TYPE
SYNTAX Counter32
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"A DS3 Severely Errored Framing Second (SEFS) is a
count of one-second intervals containing one or
more SEF events. A Severely Errored Framing (SEF)
event is declared when an error in the A1 octet
and an error in the A2 octet of a framing octet
pair (i.e., errors in both framing octets), or two
consecutive invalid and/or nonsequential Path
Overhead Identifier octets are detected."
::= { sipDS3PLCPEntry 2 }
sipDS3PLCPAlarmState OBJECT-TYPE
SYNTAX INTEGER {
noAlarm (1),
receivedFarEndAlarm (2),
incomingLOF (3)
}
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"This variable indicates if there is an alarm
present for the DS3 PLCP. The value
receivedFarEndAlarm means that the DS3 PLCP has
received an incoming Yellow Signal, the value
incomingLOF means that the DS3 PLCP has declared a
loss of frame (LOF) failure condition, and the
value noAlarm means that there are no alarms
present. See TR-TSV-000773 for a description of
alarm states."
::= { sipDS3PLCPEntry 3 }
sipDS3PLCPUASs OBJECT-TYPE
SYNTAX Counter32
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The counter associated with the number of
Unavailable Seconds, as defined by TR-TSV-000773,
encountered by the PLCP."
::= { sipDS3PLCPEntry 4 }
-- The SMDS Applications group
-- Applications that have been identified for this group are:
Brown & Tesink [Page 20]
RFC 1694 SMDS Interface Objects August 1994
-- * IP-over-SMDS (details are specified in RFC 1209)
smdsApplications OBJECT IDENTIFIER ::= { sip 4 }
ipOverSMDS OBJECT IDENTIFIER ::= { smdsApplications 1 }
-- Although the objects in this group are read-only, at the
-- agent's discretion they may be made read-write so that the
-- management station, when appropriately authorized, may
-- change the addressing information related to the
-- configuration of a logical IP subnetwork implemented on
-- top of SMDS.
-- This table is necessary to support RFC1209 (IP-over-SMDS)
-- and gives information on the Group Addresses and ARP
-- Addresses used in the Logical IP subnetwork.
-- One SMDS address may be associated with multiple IP
-- addresses. One SNI may be associated with multiple LISs.
ipOverSMDSTable OBJECT-TYPE
SYNTAX SEQUENCE OF IpOverSMDSEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"The table of addressing information relevant to
this entity's IP addresses."
::= { ipOverSMDS 1 }
ipOverSMDSEntry OBJECT-TYPE
SYNTAX IpOverSMDSEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"The addressing information for one of this
entity's IP addresses."
INDEX { ipOverSMDSIndex, ipOverSMDSAddress }
::= { ipOverSMDSTable 1 }
IpOverSMDSEntry ::=
SEQUENCE {
ipOverSMDSIndex IfIndex,
ipOverSMDSAddress IpAddress,
ipOverSMDSHA SMDSAddress,
ipOverSMDSLISGA SMDSAddress,
ipOverSMDSARPReq SMDSAddress
}
ipOverSMDSIndex OBJECT-TYPE
Brown & Tesink [Page 21]
RFC 1694 SMDS Interface Objects August 1994
SYNTAX IfIndex
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The value of this object identifies the
interface for which this entry contains management
information. "
::= { ipOverSMDSEntry 1 }
ipOverSMDSAddress OBJECT-TYPE
SYNTAX IpAddress
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The IP address to which this entry's addressing
information pertains."
::= { ipOverSMDSEntry 2 }
ipOverSMDSHA OBJECT-TYPE
SYNTAX SMDSAddress
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The SMDS Individual address of the IP station."
::= { ipOverSMDSEntry 3 }
ipOverSMDSLISGA OBJECT-TYPE
SYNTAX SMDSAddress
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The SMDS Group Address that has been configured
to identify the SMDS Subscriber-Network Interfaces
(SNIs) of all members of the Logical IP Subnetwork
(LIS) connected to the network supporting SMDS."
::= { ipOverSMDSEntry 4 }
ipOverSMDSARPReq OBJECT-TYPE
SYNTAX SMDSAddress
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The SMDS address (individual or group) to which
ARP Requests are to be sent."
::= { ipOverSMDSEntry 5 }
-- The SMDS Carrier Selection group
Brown & Tesink [Page 22]
RFC 1694 SMDS Interface Objects August 1994
-- This group is used as a place holder
-- for carrier selection objects.
smdsCarrierSelection OBJECT IDENTIFIER ::= { sip 5 }
-- The SIP Error Log
sipErrorLog OBJECT IDENTIFIER ::= { sip 6 }
sipL3PDUErrorTable OBJECT-TYPE
SYNTAX SEQUENCE OF SipL3PDUErrorEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"A table that contains the latest occurrence of
the following syntactical SIP L3PDU errors:
- Destination Address Field Format Error,
The following pertains to the 60 least significant
bits of the 64 bit address field. The 60 bits
contained in the address subfield can be used to
represent addresses up to 15 decimal digits. Each
decimal digit shall be encoded into four bits
using Binary Coded Decimal (BCD), with the most
significant digit occurring left-most. If not all
15 digits are required, then the remainder of this
field shall be padded on the right with bits set
to one. An error is considered to have occurred:
a). if the first four bits of the address
subfield are not BCD, OR b). if the first four
bits of the address subfield are populated with
the country code value 0001, AND the 40 bits which
follow are not Binary Coded Decimal (BCD) encoded
values of the 10 digit addresses, OR the remaining
16 least significant bits are not populated with
1's, OR c). if the address subfield is not
correct according to another numbering plan which
is dependent upon the carrier assigning the
numbers and offering SMDS.
- Source Address Field Format Error,
The description of this parameter is the same as
the description of the Destination Address Field
Format Error.
Brown & Tesink [Page 23]
RFC 1694 SMDS Interface Objects August 1994
- Invalid BAsize Field Value,
An error is considered to have occurred when the
BAsize field of an SIP L3PDU contains a value less
that 32, greater than 9220 octets without the
CRC32 field present, greater than 9224 octets with
the CRC32 field present, or not equal to a
multiple of 4 octets,
- Invalid Header Extension Length Field Value,
An error is considered to have occurred when the
Header Extension Length field value is not equal
3.
- Invalid Header Extension - Element Length,
An error is considered to have occurred when the
Header Extension - Element Length is greater than
12.
- Invalid Header Extension - Version Element
Position, Length, or Value,
An error is considered to have occurred when a
Version element with Length=3, Type=0, and Value=1
does not appear first within the Header Extension,
or an element Type=0 appears somewhere other than
within the first three octets in the Header
Extension.
- Invalid Header Extension - Carrier Selection
Element Position, Length, Value or Format,
An error is considered to have occurred when a
Carrier Selection element does not appear second
within the Header Extension, if the Element Type
does not equal 1, the Element Length does not
equal 4, 6, or 8, the Element Value field is not
four BCD encoded decimal digits used in specifying
the Carrier Identification Code (CIC), or the
identified CIC code is invalid.
- Header Extension PAD Error
An error is considered to have occurred when the
Header Extension PAD is 9 octets in length, or if
the Header Extension PAD is greater than zero
Brown & Tesink [Page 24]
RFC 1694 SMDS Interface Objects August 1994
octets in length and the Header Extension PAD does
not follow all Header Extension elements or does
not begin with at least one octet of all zeros.
- BEtag Mismatch Error,
An error is considered to have occurred when the
Beginning-End Tags in the SIP L3PDU header and
trailer are not equal.
- BAsize Field not equal to Length Field Error,
An error is considered to have occurred when the
value of the BAsize Field does not equal the value
of the Length Field.
- Incorrect Length Error, and
An error is considered to have occurred when the
the Length field value is not equal to the portion
of the SIP L3PDU which extends from the
Destination Address field up to and including the
CRC32 field (if present) or up to and including
the PAD field (if the CRC32 field is not present).
As an optional check, an error is considered to
have occurred when the length of a partially
received SIP L3PDU exceeds the BAsize value.
- MRI Timeout Error.
An error is considered to have occurred when the
elapsed time between receipt of BOM and
corresponding EOM exceeds the value of the MRI
(Message Receive Interval) for a particular
transport signal format.
An entry is indexed by interface number and error
type, and contains Source Address, Destination
Address and a timestamp. All these errors are
counted in the sipL3Errors counter. When
sipL3PDUErrorTimeStamp is equal to zero, the
SipL3PDUErrorEntry does not contain any valid
information."
::= { sipErrorLog 1 }
sipL3PDUErrorEntry OBJECT-TYPE
SYNTAX SipL3PDUErrorEntry
MAX-ACCESS not-accessible
Brown & Tesink [Page 25]
RFC 1694 SMDS Interface Objects August 1994
STATUS current
DESCRIPTION
"An entry in the service disagreement table."
INDEX { sipL3PDUErrorIndex, sipL3PDUErrorType }
::= { sipL3PDUErrorTable 1 }
SipL3PDUErrorEntry ::= SEQUENCE {
sipL3PDUErrorIndex IfIndex,
sipL3PDUErrorType INTEGER,
sipL3PDUErrorSA SMDSAddress,
sipL3PDUErrorDA SMDSAddress,
sipL3PDUErrorTimeStamp TimeStamp
}
sipL3PDUErrorIndex OBJECT-TYPE
SYNTAX IfIndex
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The value of this object identifies the
interface for which this entry contains management
information."
::= { sipL3PDUErrorEntry 1 }
sipL3PDUErrorType OBJECT-TYPE
SYNTAX INTEGER {
erroredDAFieldFormat (1),
erroredSAFieldFormat (2),
invalidBAsizeFieldValue (3),
invalidHdrExtLength (4),
invalidHdrExtElementLength (5),
invalidHdrExtVersionElementPositionLenthOrValue (6),
invalidHdrExtCarSelectElementPositionLenghtValueOrFormat (7),
hePADError (8),
beTagMismatch (9),
baSizeFieldNotEqualToLengthField (10),
incorrectLength (11),
mriTimeout (12)
}
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The type of error."
::= { sipL3PDUErrorEntry 2 }
sipL3PDUErrorSA OBJECT-TYPE
SYNTAX SMDSAddress
MAX-ACCESS read-only
Brown & Tesink [Page 26]
RFC 1694 SMDS Interface Objects August 1994
STATUS current
DESCRIPTION
"A rejected SMDS source address."
::= { sipL3PDUErrorEntry 3 }
sipL3PDUErrorDA OBJECT-TYPE
SYNTAX SMDSAddress
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"A rejected SMDS destination address."
::= { sipL3PDUErrorEntry 4 }
sipL3PDUErrorTimeStamp OBJECT-TYPE
SYNTAX TimeStamp
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The timestamp for the service disagreement. The
timestamp contains the value of sysUpTime at the
latest occurrence of this type of service
disagreement. See textual description under
sipL3PDUErrorTable for boundary conditions."
::= { sipL3PDUErrorEntry 5 }
-- The DXI Group
sipDxiTable OBJECT-TYPE
SYNTAX SEQUENCE OF SipDxiEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"The DXI table."
::= { sipMIBObjects 1 }
sipDxiEntry OBJECT-TYPE
SYNTAX SipDxiEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"An entry in the DXI table."
INDEX { ifIndex }
::= { sipDxiTable 1 }
SipDxiEntry ::=
SEQUENCE {
sipDxiCrc
Brown & Tesink [Page 27]
RFC 1694 SMDS Interface Objects August 1994
INTEGER,
sipDxiOutDiscards
Counter32,
sipDxiInErrors
Counter32,
sipDxiInAborts
Counter32,
sipDxiInTestFrames
Counter32,
sipDxiOutTestFrames
Counter32,
sipDxiHbpNoAcks
Counter32
}
sipDxiCrc OBJECT-TYPE
SYNTAX INTEGER {
crc16(1),
crc32(2)
}
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The value of this object indicates the type
of Frame Checksum used by DXI. Current
choices include CCITT CRC16 or CRC32."
::= { sipDxiEntry 1 }
sipDxiOutDiscards OBJECT-TYPE
SYNTAX Counter32
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The number of outbound frames discarded
because of congestion."
::= { sipDxiEntry 2 }
sipDxiInErrors OBJECT-TYPE
SYNTAX Counter32
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The number of inbound frames discarded
because of errors such as frame checksum
(CRC) violations,
non-integral number of octets, address
and control field violations, and frame
size errors."
Brown & Tesink [Page 28]
RFC 1694 SMDS Interface Objects August 1994
::= { sipDxiEntry 3 }
sipDxiInAborts OBJECT-TYPE
SYNTAX Counter32
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The number of inbound frames discarded
because of an abort bit sequence (1111111)
received before closing flag."
::= { sipDxiEntry 4 }
sipDxiInTestFrames OBJECT-TYPE
SYNTAX Counter32
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The number of unerrored,
inbound Test frames received
(generally as part of Heart
Beat Poll procedure)."
::= { sipDxiEntry 5 }
sipDxiOutTestFrames OBJECT-TYPE
SYNTAX Counter32
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The number of unerrored,
outbound Test frames sent
(generally as part of Heart
Beat Poll procedure)."
::= { sipDxiEntry 6 }
sipDxiHbpNoAcks OBJECT-TYPE
SYNTAX Counter32
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The number of Heart Beat
Poll (HBP) No Ack timeouts."
::= { sipDxiEntry 7 }
-- conformance information
smdsConformance OBJECT IDENTIFIER ::= { sipMIB 2 }
Brown & Tesink [Page 29]
RFC 1694 SMDS Interface Objects August 1994
smdsGroups OBJECT IDENTIFIER ::= { smdsConformance 1 }
smdsCompliances OBJECT IDENTIFIER ::= { smdsConformance 2 }
-- compliance statements
smdsCompliance MODULE-COMPLIANCE
STATUS current
DESCRIPTION
"The compliance statement for SMDS interfaces."
MODULE -- this module
MANDATORY-GROUPS { sipLevel3Stuff }
GROUP sipLevel2Stuff
DESCRIPTION
"This group is mandatory only for those
interfaces (SNIs) which run SIP Level 2."
GROUP sipDS1PLCPStuff
DESCRIPTION
"This group is mandatory only for those
interfaces (SNIs) which run the DS1 PLCP."
GROUP sipDS3PLCPStuff
DESCRIPTION
"This group is mandatory only for those
interfaces (SNIs) which run the DS3 PLCP."
GROUP sipIPApplicationsStuff
DESCRIPTION
"This group is mandatory only for interfaces
operating IP over SMDS in accordance with
RFC1209."
GROUP sipDxiStuff
DESCRIPTION
"This group is mandatory only for those interfaces
(DXI-SNI)
which run the DXI protocol."
::= { smdsCompliances 1 }
-- units of conformance
sipLevel3Stuff OBJECT-GROUP
OBJECTS { sipL3Index,
sipL3VersionSupport, sipL3PDUErrorIndex,
sipL3PDUErrorType,
Brown & Tesink [Page 30]
RFC 1694 SMDS Interface Objects August 1994
sipL3PDUErrorSA, sipL3PDUErrorDA,
sipL3PDUErrorTimeStamp }
STATUS current
DESCRIPTION
"A collection of objects providing information
applicable to all SMDS interfaces."
::= { smdsGroups 1 }
sipLevel2Stuff OBJECT-GROUP
OBJECTS { sipL2Index, sipL2HcsOrCRCErrors,
sipL2PayloadLengthErrors,
sipL2SequenceNumberErrors,
sipL2MidCurrentlyActiveErrors,
sipL2BomOrSSMsMIDErrors,
sipL2EomsMIDErrors }
STATUS current
DESCRIPTION
"A collection of objects providing information
specific to interfaces using the SIP Level 2."
::= { smdsGroups 2 }
sipDS1PLCPStuff OBJECT-GROUP
OBJECTS { sipDS1PLCPIndex, sipDS1PLCPSEFSs,
sipDS1PLCPAlarmState, sipDS1PLCPUASs }
STATUS current
DESCRIPTION
"A collection of objects providing information
specific to interfaces using the DS1 PLCP."
::= { smdsGroups 3 }
sipDS3PLCPStuff OBJECT-GROUP
OBJECTS { sipDS3PLCPIndex, sipDS3PLCPSEFSs,
sipDS3PLCPAlarmState, sipDS3PLCPUASs }
STATUS current
DESCRIPTION
"A collection of objects providing information
specific to interfaces using the DS3 PLCP."
::= { smdsGroups 4 }
sipIPApplicationsStuff OBJECT-GROUP
OBJECTS { ipOverSMDSIndex, ipOverSMDSAddress,
ipOverSMDSHA, ipOverSMDSLISGA, ipOverSMDSARPReq }
STATUS current
DESCRIPTION
"A collection of objects providing information
for running IP over SMDS."
::= { smdsGroups 5 }
Brown & Tesink [Page 31]
RFC 1694 SMDS Interface Objects August 1994
sipDxiStuff OBJECT-GROUP
OBJECTS { sipDxiCrc, sipDxiOutDiscards,
sipDxiInErrors, sipDxiInAborts,
sipDxiInTestFrames, sipDxiOutTestFrames,
sipDxiHbpNoAcks }
STATUS current
DESCRIPTION
"A collection of objects providing information
specific to interfaces using the DXI protocol."
::= { smdsGroups 6 }
END
5. Acknowledgments
This specification is a product of the ifMIB Working Group.
6. References
[1] Case, J., McCloghrie, K., Rose, M., and S. Waldbusser, "Structure
of Management Information for version 2 of the Simple Network
Management Protocol (SNMPv2)", RFC 1442, SNMP Research, Inc.,
Hughes LAN Systems, Dover Beach Consulting, Inc., Carnegie Mellon
University, April 1993.
[2] Case, J., McCloghrie, K., Rose, M., and S. Waldbusser, "Textual
Conventions for version 2 of the the Simple Network Management
Protocol (SNMPv2)", RFC 1443, SNMP Research, Inc., Hughes LAN
Systems, Dover Beach Consulting, Inc., Carnegie Mellon
University, April 1993.
[3] Case, J., McCloghrie, K., Rose, M., and S. Waldbusser,
"Conformance Statements for version 2 of the the Simple Network
Management Protocol (SNMPv2)", RFC 1444, SNMP Research, Inc.,
Hughes LAN Systems, Dover Beach Consulting, Inc., Carnegie Mellon
University, April 1993.
[4] Galvin, J., and K. McCloghrie, "Administrative Model for version
2 of the Simple Network Management Protocol (SNMPv2)", RFC 1445,
Trusted Information Systems, Hughes LAN Systems, April 1993.
[5] Case, J., McCloghrie, K., Rose, M., and S. Waldbusser, "Protocol
Operations for version 2 of the Simple Network Management
Protocol (SNMPv2)", RFC 1448, SNMP Research, Inc., Hughes LAN
Systems, Dover Beach Consulting, Inc., Carnegie Mellon
University, April 1993.
Brown & Tesink [Page 32]
RFC 1694 SMDS Interface Objects August 1994
[6] McCloghrie, K., and M. Rose, Editors, "Management Information
Base for Network Management of TCP/IP-based internets: MIB-II",
STD 17, RFC 1213, Hughes LAN Systems, Inc., Performance Systems
International, March 1991.
[7] Information processing systems - Open Systems Interconnection -
Specification of Abstract Syntax Notation One (ASN.1),
International Organization for Standardization. International
Standard 8824, December 1987.
[8] Information processing systems - Open Systems Interconnection -
Specification of Basic Encoding Rules for Abstract Notation One
(ASN.1), International Organization for Standardization.
International Standard 8825, December 1987.
[9] McCloghrie, K., and F. Kastenholz, "Evolution of Interfaces Group
of MIB-II", RFC 1573, Hughes LAN Systems, FTP Software, January
1994.
[10] Cox, T., and K. Tesink, Editors, "Definitions of Managed Objects
for the DS3/E3 Interface Type", RFC 1407, Bellcore, January 1993.
[11] Baker, F., and J. Watt, Editors, "Definitions of Managed Objects
for the DS1/E1 Interface Type", RFC 1406, Advanced Computer
Communications, Newbridge Networks Corporation, January 1993.
[12] Cox, T., and K. Tesink, Editors, "Definition of Managed Objects
for the SMDS Interface Type", RFC 1304, Bellcore, February 1992.
[13] "Generic System Requirements in Support of Switched Multi-megabit
Data Service", Bellcore Technical Reference, TR-TSV-000772, Issue
1, May 1991.
[14] "Local Access System Generic Requirements, Objectives, and
Interfaces in Support of Switched Multi-megabit Data Service",
Bellcore Technical Reference, TR-TSV-000773, Issue 1, June 1990.
[15] Piscitello, D., and J. Lawrence, Editors, The Transmission of IP
Datagrams over the SMDS Service", RFC 1209, Bell Communications
Research, March 1991.
[16] "Generic Requirements For SMDS Customer Network Management
Service", Bellcore TR-TSV-001062, Issue 1, March 1993, and
Supplement 1, December 1993.
[17] Cox, R., and K. Tesink, "Definitions of Managed Objects for SMDS
Subscription", Version 2.1, Bellcore, August 1992.
Brown & Tesink [Page 33]
RFC 1694 SMDS Interface Objects August 1994
[18] Frame Based Interface Protocol for SMDS Networks - Data Exchange
Interface / Subscriber Network Interface Revision 1.0 - SMDS
Interest Group SIG-TS-005/1993, February 2, 1993.
[19] Frame Based Interface Protocol for SMDS Networks - SIP Relay
Interface Revision 1.0 - SMDS Interest Group SIG-TS-006/1993,
February 2, 1993.
[20] "Generic Requirements For Low Speed SMDS Access", Bellcore TR-
TSV-001239, Issue 1, December 1993.
[21] ATM Forum, "ATM User Network Interface Specification", Version
3.0, September 1993.
[22] Ahmed, M., and K. Tesink, Editors, "Definitions of Managed
Objects for ATM Management", RFC 1695, Bellcore, August 1994.
[23] Brown, R., Editor, "Definitions of Managed Objects for Frame
Relay Service", RFC 1604, Bellcore, March 1994.
[24] Specification for Implementation of SMDS over an ATM-based Public
UNI - Cedric Druce, Max Figueroa, Bellcore - SIG TWG-1993/043,
SMDS Interest Group Technical Working Group, Work in Progress,
August 24, 1993.
[25] Brown, T. and K. Tesink, Editors), "Definitions of Managed
Objects for the SONET Interface Type, RFC 1595, Bellcore, March
1994.
7. Security Considerations
Security issues are not discussed in this memo.
Brown & Tesink [Page 34]
RFC 1694 SMDS Interface Objects August 1994
8. Authors' Addresses
Tracy A. Brown
Bell Communications Research
331 Newman Springs Road
P.O. Box 7020
Red Bank, NJ 07701-7020
Phone: (908) 758-2107
EMail: tacox@mail.bellcore.com
Kaj Tesink
Bell Communications Research
331 Newman Springs Road
P.O. Box 7020
Red Bank, NJ 07701-7020
Phone: (908) 758-5254
EMail: kaj@cc.bellcore.com
Brown & Tesink [Page 35]
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