Definitions of Managed Objects for SNA Data Link Control (SDLC) using SMIv2
draft-ietf-snadlc-sdlc-mib-05
The information below is for an old version of the document that is already published as an RFC.
| Document | Type |
This is an older version of an Internet-Draft that was ultimately published as RFC 1747.
|
|
|---|---|---|---|
| Authors | Alan Bartky , Wayne C. Clark , Jeff Hilgeman , Shannon D. Nix | ||
| Last updated | 2013-03-02 (Latest revision 1994-10-24) | ||
| RFC stream | Internet Engineering Task Force (IETF) | ||
| Intended RFC status | (None) | ||
| Formats | |||
| Stream | WG state | (None) | |
| Document shepherd | (None) | ||
| IESG | IESG state | Became RFC 1747 (Historic) | |
| Consensus boilerplate | Unknown | ||
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| Send notices to | (None) |
draft-ietf-snadlc-sdlc-mib-05
Definitions of Managed Objects
for SNA Data Link Control: SDLC
October 21, 1994
<draft-ietf-snadlc-sdlc-mib-05.txt>
Jeff Hilgeman (chair)
Apertus Technologies, Inc.
7275 Flying Cloud Dr.
Eden Prarie, MN 55344
jeffh@apertus.com
Shannon D. Nix
Metaplex, Inc.
7412 Wingfoot Dr.
Raleigh, NC 27615
snix@metaplex.com
Alan Bartky
Sync Research, Inc.
7 Studebaker
Irvine, CA 92718
alan@sync.com
Wayne Clark (editor)
cisco Systems, Inc.
3100 Smoketree Ct.
Suite 1000
Raleigh, NC 27604
wclark@cisco.com
1. Status of this Memo
This document is an Internet Draft. Internet Drafts are working docu-
ments of the Internet Engineering Task Force (IETF), its Areas, and its
Working Groups. Note that other groups may also distribute working docu-
ments as Internet Drafts.
Internet Drafts are draft documents valid for a maximum of six months.
Internet Drafts may be updated, replaced, or obsoleted by other docu-
ments at any time. It is not appropriate to use Internet Drafts as
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reference material or to cite them other than as a "working draft" or
"work in progress."
Please check the I-D abstract listing contained in each Internet Draft
directory to learn the current status of this or any other Internet
Draft.
2. Abstract
This specification defines an extension to the Management Information
Base (MIB) for use with SNMP-based network management. In particular,
it defines objects for managing the configuration, monitoring and con-
trol of data link controls in an SNA environment. This draft identifies
managed objects for SNA Synchronous Data Link Control (SDLC) links only.
This memo does not specify a standard for the Internet community.
3. The SNMPv2 Network Management Framework
The SNMPv2 Network Management Framework consists of four major com-
ponents. They are:
o RFC 1441 which defines the SMI, the mechanisms used for
describing and naming objects for the purpose of management.
o RFC 1213 defines MIB-II, the core set of managed objects for
the Internet suite of protocols.
o RFC 1445 which defines the administrative and other architec-
tural aspects of the framework.
o RFC 1448 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.
3.1. Object Definitions
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) defined in the
SMI. In particular, each object object type is named by an OBJECT IDEN-
TIFIER, an administratively assigned name. The object type together
with an object instance serves to uniquely identify a specific instan-
tiation of the object. For human convenience, we often use a textual
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string, termed the descriptor, to refer to the object type.
4. Overview
This memo identifies the proposed set of objects for configuring, moni-
toring, and controlling SDLC ports and link stations.
4.1. Tables Defined in the SNADLC SDLC MIB
The SNADLC MIB is composed of two managed entities with three tables
each. The two managed entities for SDLC are:
o Ports: the physical connection, and
o Link Stations: the logical connections on the Port.
The three management tables are:
o Adminstration: objects used for configuring and controlling
the operation of a Port or Link Station,
o Operational: objects that reflect the run-time state of the
Port or Link Station, and
o Statistics: objects that reflect the operating metrics of the
Port or Link Station.
Considering the above combinations, the following are the actual tables
found in this MIB:
1) Port Administration Table,
2) Port Operation Table,
3) Port Statistics Table,
4) Link Station Administration Table,
5) Link Station Operation Table,
6) Link Station Statistics Table.
All variables in this MIB relate to SDLC ports and link stations only.
Any variable relating to higher-layer entities in SNA such as Physical
Units (PU) and Logical Units (LU) are found in the SNA NAU MIB [4].
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4.2. Row Creation Mechanism
Row creation mechanism for the sdlcLSAdminTable is based on the use of
the RowStatus object. It follows the rules for the use in SNMPv1 con-
text proposed in the memo "Row creation with SNMPv1" [5]. Before
accepting the destroy value for an entry, an agent has to verify the
operational state of the corresponding entry in the sdlcLSOperTable
entry.
4.3. Relationship to the Interfaces Group
This memo shall conform to the recommendations of [6].
The SDLC layer of each SDLC Port shall be modeled by a row in the ifT-
able with an ifType using the IANA assigned number for SDLC (17). Each
SDLC port interface must comply with the following conformance groups in
[6]:
- ifGeneralGroup
- ifStackGroup
- ifPacketGroup
An implementation may optionally comply with the ifTestGroup defined in
that memo to execute vendor specific tests. An example of this would be
to perform LPDA test functions.
The SDLC port's relation with its physical, or lower-layer interface
(i.e. RS-232, V.35, etc.) shall be modeled by a row in the ifStackTable
with the ifStackHigherLayer pointing to the SDLC port ifTable instance
and the ifStackLowerLayer pointing to the physical media-specific ifT-
able instance. The media-specific objects of these lower-layer inter-
faces will, of course, be described in their respective MIBs (i.e.
[1]).
The following table provides specific implementation guidelines for all
the interface group objects listed in the conformance tables above.
Object Use for an SDLC Port
ifIndex Each SDLC port is represented by an ifEntry. All
SDLC port tables shall be indexed by ifIndex.
ifDescr Description of the SDLC port.
ifType The IANA value reserved for SDLC - 17.
ifMtu Refer to [6].
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ifSpeed This object shall reflect the value of the
corresponding object in the ifEntry of the associ-
ated lower-layer interface.
ifPhysAddress A string denoting the physical location of the SDLC
port within its node. This shall have unique signi-
ficance within each implementing node.
ifAdminStatus This object shall reflect the value of the
corresponding object in the ifEntry of the associ-
ated lower-layer interface.
ifOperStatus This object shall reflect the value of the
corresponding object in the ifEntry of the associ-
ated lower-layer interface.
ifLastChange Refer to [6].
ifInOctets Refer to [6].
ifInUcastPkts This object shall count packets received from a
specific SDLC poll address. Packets for the SDLC
broadcast address of x'FF' are not counted.
ifInDiscards Refer to [6].
ifInErrors Refer to [6]. Specific counters for these errors
are kept in the sdlcPortStatsTable.
ifInUnknownProtos This counter shall return zero for SDLC ports.
ifOutOctets Refer to [6].
ifOutUcastPkts This object shall count packets transmitted to a
specific SDLC poll address (not x'FF').
ifOutDiscards Refer to [6].
ifOutErrors Refer to [6]. Specific counters for these errors
are kept in the sdlcPortStatsTable.
ifName The textual name of the SDLC port or an octet string
of zero length.
ifInMulticastPkts The value is 0 (not applicable to the SDLC layer).
ifInBroadcastPkts This object shall count packets received on this
interface addressed to the SDLC broadcast address
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(x'FF'). Only point-to-point ports supporting a
secondary switched station should return non-zero
values.
ifOutMulticastPkts The value is 0 (not applicable to the SDLC layer).
ifOutBroadcastPkts This object shall count packets transmitted on this
interface which were addressed to the SDLC broadcast
address (x'FF'). Only point-to-point ports support-
ing a primary switched station should return non-
zero values.
ifHC* Not part of the conformance group.
ifLinkUpDownTrapEnable
Refer to [6]. Default is disabled (2).
ifHighSpeed Refer to [6].
ifPromiscuousMode Should return false if this interface receives only
packets addressed to its SDLC poll address(es).
However, in certain implementations, the lower-layer
interface shall present all frames to the SDLC port
regardless of the poll address. Such frames may be
the result of a misconfigured peer or the secondary
end of a multipoint connection. Such implementa-
tions should return true for this object.
ifConnectorPresent Set to 'false'.
ifStackHigherLayer For each SDLC port there will be an ifStackEntry
with this object's value referring to the ifIndex of
the SDLC port's ifEntry for the SDLC layer.
ifStackLowerLayer For each SDLC port there will be an ifStackEntry
with this object's value referring to the ifIndex of
the physical layer interface's ifEntry for that SDLC
port.
ifStackStatus Refer to [6].
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5. Definitions
SNA-SDLC-MIB DEFINITIONS ::= BEGIN
IMPORTS
MODULE-IDENTITY, OBJECT-TYPE, NOTIFICATION-TYPE,
experimental, Counter32, Integer32, TimeTicks
FROM SNMPv2-SMI
DisplayString, RowStatus, TimeInterval
FROM SNMPv2-TC
MODULE-COMPLIANCE, OBJECT-GROUP
FROM SNMPv2-CONF
ifIndex
FROM RFC1213-MIB;
snaDLC MODULE-IDENTITY
LAST-UPDATED "9410200000Z"
ORGANIZATION "IETF SNA DLC MIB Working Group"
CONTACT-INFO
"
Jeff Hilgeman (chair)
Apertus Technologies, Inc.
7275 Flying Cloud Dr.
Eden Prarie, MN 55344
jeffh@apertus.com
Shannon D. Nix
Metaplex, Inc.
7412 Wingfoot Dr.
Raleigh, NC 27615
snix@metaplex.com
Alan Bartky
Sync Research, Inc.
7 Studebaker
Irvine, CA 92718
alan@sync.com
Wayne Clark (editor)
cisco Systems, Inc.
3100 Smoketree Ct.
Suite 1000
Raleigh, NC 27604
wclark@cisco.com"
DESCRIPTION
"This is the MIB module for objects used to
manage SDLC devices."
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::= { experimental 51 }
--
-- The following data link controls are modelled in this MIB module:
--
-- 1. SDLC
--
sdlc OBJECT IDENTIFIER ::= { snaDLC 1 }
--
-- THE SDLC GROUP
-- ==============
--
-- The following resources are modelled in the SDLC group of this MIB module:
--
-- 1. PORTS
-- 2. LINK STATIONS
sdlcPortGroup OBJECT IDENTIFIER ::= { sdlc 1 } -- Physical Ports
sdlcLSGroup OBJECT IDENTIFIER ::= { sdlc 2 } -- Logical Link Stations
--
-- THE SDLC PORT GROUP
-- ===================
--
-- The following classes of information is modelled for each SDLC port:
--
-- 1. ADMINISTRATIVE ( read/write)
-- 2. OPERATIONAL ( read-only)
-- 3. STATISTICS ( read-only)
-- Information not found in this group is found in tables described in
-- the following RFCs:
--
-- 1. RFC1213 - MIB-II
--
-- TABLE INDEX
-- ==================== ====================
-- a. ifTable ifIndex
--
-- 2. RFC1659 - The RS232-like MIB
--
-- TABLE INDEX
-- ==================== ====================
-- a. rs232PortTable rs232PortIndex
-- b. rs232SyncPortTable rs232SyncPortIndex
-- c. rs232InSigTable rs232InSigPortIndex, rs232InSigName
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-- d. rs232OutSigTable rs232OutSigPortIndex, rs232OutSigName
-- ** e. rs232AsyncPortTable rs232AsyncPortIndex
--
-- ** rs232AsyncPortTable for ISO 3309.3 ( Start-Stop SDLC).
-- *************************************************************
-- * *
-- * THE SDLC PORT ADMINISTRATIVE TABLE *
-- * *
-- *************************************************************
sdlcPortAdminTable OBJECT-TYPE
SYNTAX SEQUENCE OF SdlcPortAdminEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"This table contains objects that can be
changed to manage an SDLC port. Changing one
of these parameters may take effect in the
operating port immediately or may wait until
the interface is restarted depending on the
details of the implementation.
Most of the objects in this read-write table
have corresponding read-only objects in the
sdlcPortOperTable that return the current
operating value.
The operating values may be different from
these configured values if a configured
parameter was changed after the interface was
started."
::= { sdlcPortGroup 1 }
sdlcPortAdminEntry OBJECT-TYPE
SYNTAX SdlcPortAdminEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"A list of configured values for an SDLC port."
INDEX { ifIndex }
::= { sdlcPortAdminTable 1 }
SdlcPortAdminEntry ::= SEQUENCE
{
sdlcPortAdminName DisplayString,
sdlcPortAdminRole INTEGER,
sdlcPortAdminType INTEGER,
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sdlcPortAdminTopology INTEGER,
sdlcPortAdminISTATUS INTEGER,
sdlcPortAdminACTIVTO TimeInterval,
sdlcPortAdminPAUSE TimeInterval,
sdlcPortAdminSERVLIM Integer32,
sdlcPortAdminSlowPollTimer TimeInterval
}
sdlcPortAdminName OBJECT-TYPE
SYNTAX DisplayString (SIZE (1..10))
MAX-ACCESS read-write
STATUS current
DESCRIPTION
"An octet string that defines the physical port
to which this interface is assigned. It has
implementation-specific significance. Its value
shall be unique within the administered
system. It must contain only ASCII printable
characters. Should an implementation choose to
accept a write operation for this object, it
causes the logical port definition associated
with the table instance to be moved to a
different physical port. A write operation
shall not take effect until the port is cycled
inactive."
::= { sdlcPortAdminEntry 1 }
sdlcPortAdminRole OBJECT-TYPE
SYNTAX INTEGER
{
primary(1),
secondary(2),
negotiable(3)
}
MAX-ACCESS read-write
STATUS current
DESCRIPTION
"This object describes the role that the link
station shall assume the next time a connection
is established.
Even though this is defined as a port object,
it is a link station attribute in the sense
that a role is per link station. However, it
is not possible to vary link station roles on a
particular port. For example, if an SDLC port
is configured to primary, all link stations on
that port must be primary."
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::= { sdlcPortAdminEntry 2 }
sdlcPortAdminType OBJECT-TYPE
SYNTAX INTEGER
{
leased(1),
switched(2)
}
MAX-ACCESS read-write
STATUS current
DESCRIPTION
"This parameter defines whether the SDLC port
is to connect to a leased or switched line. A
write operation to this administrative value
shall not take effect until the SDLC port has
been cycled inactive."
DEFVAL { leased }
::= { sdlcPortAdminEntry 3 }
sdlcPortAdminTopology OBJECT-TYPE
SYNTAX INTEGER
{
pointToPoint(1),
multipoint(2)
}
MAX-ACCESS read-write
STATUS current
DESCRIPTION
"This parameter defines whether the SDLC port is
capable of operating in either a point-to-point
or multipoint topology.
sdlcPortAdminTopology == multipoint implies the
port can also operate in a point-to-point topology.
sdlcPortAdminTopology == pointToPoint does not
imply the port can operate in a multipoint topology.
A write operation to this administrative
value shall not take effect until the SDLC port has
been cycled inactive."
DEFVAL { pointToPoint }
::= { sdlcPortAdminEntry 4 }
sdlcPortAdminISTATUS OBJECT-TYPE
SYNTAX INTEGER
{
inactive(1),
active(2)
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}
MAX-ACCESS read-write
STATUS current
DESCRIPTION
"This parameter controls the initial value of
the administrative status, ifAdminStatus, of
this SDLC port at port start-up. Depending
on the implementation, a write operation to
this administrative object may not take effect
until the SDLC port has been cycled inactive."
DEFVAL { active }
::= { sdlcPortAdminEntry 5 }
sdlcPortAdminACTIVTO OBJECT-TYPE
SYNTAX TimeInterval
MAX-ACCESS read-write
STATUS current
DESCRIPTION
"This parameter defines the period of time (in
1/100ths of a second) that the port will allow a
switched line to remain inactive before
disconnecting. A switched line is considered
to be inactive if there are no I-Frames being
transferred. A value of zero indicates no
timeout. Depending on the implementation, a
write operation to this administered value may
not take effect until the port is cycled
inactive.
This object only has meaning for SDLC ports where
sdlcPortAdminType == switched
The object descriptor contains the name of an
NCP configuration parameter, ACTIVTO. Please
note that the value of this object represents
1/100ths of a second while the NCP ACTIVTO is
represented in seconds."
DEFVAL { 0 }
::= { sdlcPortAdminEntry 6 }
sdlcPortAdminPAUSE OBJECT-TYPE
SYNTAX TimeInterval
MAX-ACCESS read-write
STATUS current
DESCRIPTION
"This object defines the minimum elapsed time
(in 1/100ths of a second) between any two
traversals of the poll list for a primary SDLC
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port. Depending on the implementation, a write
operation to this administered value may not
take effect until the port is cycled inactive.
The object descriptor contains the name of an
NCP configuration parameter, PAUSE. Please note
that the value of this object represents 1/100ths
of a second while the NCP PAUSE is represented
in 1/10ths of a second.
This object only has meaning for SDLC ports where
sdlcPortAdminRole == primary "
DEFVAL { 200 }
::= { sdlcPortAdminEntry 7 }
sdlcPortAdminSERVLIM OBJECT-TYPE
SYNTAX Integer32
MAX-ACCESS read-write
STATUS current
DESCRIPTION
"This object defines the number of times the
active poll list will be traversed before
polling a station on the slow poll list for a
primary, multipoint SDLC port. Depending on
the implementation, a write operation to this
administered value may not take effect until
the port is cycled inactive.
This object only has meaning for SDLC ports where
sdlcPortAdminRole == primary
and
sdlcPortAdminTopology == multipoint "
DEFVAL { 20 }
::= { sdlcPortAdminEntry 8 }
sdlcPortAdminSlowPollTimer OBJECT-TYPE
SYNTAX TimeInterval
MAX-ACCESS read-write
STATUS current
DESCRIPTION
"This object describes the elapsed time (in
1/100ths of a second) between polls for failed
secondary link station addresses. Depending
on the implementation, a write operation to
this administered value may not take effect
until the port is cycled inactive.
This object only has meaning for SDLC ports where
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sdlcPortAdminRole == primary
and
sdlcPortAdminTopology == multipoint "
DEFVAL { 2000 }
::= { sdlcPortAdminEntry 9 }
-- *************************************************************
-- * *
-- * THE SDLC PORT OPERATIONAL TABLE *
-- * *
-- *************************************************************
sdlcPortOperTable OBJECT-TYPE
SYNTAX SEQUENCE OF SdlcPortOperEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"This table contains current SDLC port
parameters. Many of these objects have
corresponding objects inthe sdlcPortAdminTable."
::= { sdlcPortGroup 2 }
sdlcPortOperEntry OBJECT-TYPE
SYNTAX SdlcPortOperEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"Currently set parameters for a specific SDLC port."
INDEX { ifIndex }
::= { sdlcPortOperTable 1 }
SdlcPortOperEntry ::= SEQUENCE
{
sdlcPortOperName DisplayString,
sdlcPortOperRole INTEGER,
sdlcPortOperType INTEGER,
sdlcPortOperTopology INTEGER,
sdlcPortOperISTATUS INTEGER,
sdlcPortOperACTIVTO TimeInterval,
sdlcPortOperPAUSE TimeInterval,
sdlcPortOperSlowPollMethod INTEGER,
sdlcPortOperSERVLIM Integer32,
sdlcPortOperSlowPollTimer TimeInterval,
sdlcPortOperLastModifyTime TimeTicks,
sdlcPortOperLastFailTime TimeTicks,
sdlcPortOperLastFailCause INTEGER
}
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sdlcPortOperName OBJECT-TYPE
SYNTAX DisplayString (SIZE (1..8))
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"An octet string that describes the physical
port to which this interface is currently
attached. It has implementation-specific
significance."
::= { sdlcPortOperEntry 1 }
sdlcPortOperRole OBJECT-TYPE
SYNTAX INTEGER
{
primary(1),
secondary(2),
undefined(3)
}
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"This object describes the role that the link
station has assumed on this connection.
Even though this is defined as a port object,
it is a link station attribute in the sense
that a role is per link station. However, it
is not possible to vary link station roles on a
particular port. For example, if an SDLC port
is configured to primary, all link stations on
that port must be primary.
The value of sdlcPortOperRole is undefined(3)
whenever the link station role has not yet been
established by the mode setting command."
::= { sdlcPortOperEntry 2 }
sdlcPortOperType OBJECT-TYPE
SYNTAX INTEGER
{
leased(1),
switched(2)
}
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"This parameter defines whether the SDLC port
is currently operating as though connected to a
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leased or switched line."
::= { sdlcPortOperEntry 3 }
sdlcPortOperTopology OBJECT-TYPE
SYNTAX INTEGER
{
pointToPoint(1),
multipoint(2)
}
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"This parameter defines whether the SDLC port is
currently operating in a point-to-point or
multipoint topology."
::= { sdlcPortOperEntry 4 }
sdlcPortOperISTATUS OBJECT-TYPE
SYNTAX INTEGER
{
inactive(1),
active(2)
}
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"This parameter describes the initial value of
the administrative status, ifAdminStatus, of
this SDLC port at last port start-up."
::= { sdlcPortOperEntry 5 }
sdlcPortOperACTIVTO OBJECT-TYPE
SYNTAX TimeInterval
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"This parameter defines the period of time (in
100ths of a second) that the port will allow a
switched line to remain inactive before
disconnecting. A switched line is considered
to be inactive if there are no I-Frames being
transferred.
The object descriptor contains the name of an
NCP configuration parameter, ACTIVTO. Please note
that the value of this object represents 1/100ths
of a second while the NCP ACTIVTO is represented
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in seconds.
A value of zero indicates no timeout."
::= { sdlcPortOperEntry 6 }
sdlcPortOperPAUSE OBJECT-TYPE
SYNTAX TimeInterval
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"This object describes the current minimum
elapsed time (in 1/100ths of a second) between
any two traversals of the poll list for a
primary SDLC port.
The object descriptor contains the name of an
NCP configuration parameter, PAUSE. Please note
that the value of this object represents 1/100ths
of a second while the NCP PAUSE is represented
in 1/10ths of a second.
This object only has meaning for SDLC ports where
sdlcPortAdminRole == primary "
::= { sdlcPortOperEntry 7 }
sdlcPortOperSlowPollMethod OBJECT-TYPE
SYNTAX INTEGER
{
servlim(1),
pollpause(2),
other(3)
}
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"This object defines the exact method that is in
effect for periodically polling failed secondary
link station addresses.
If sdlcPortOperSlowPollMethod == servlim, then
sdlcPortOperSERVLIM defines the actual polling
characteristics.
If sdlcPortOperSlowPollMethod == pollpause, then
sdlcPortOperSlowPollTimer defines the actual polling
characteristics.
If sdlcPortOperSlowPollMethod == other, then
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the polling characteristics are modeled in
vendor-specific objects.
This object only has meaning for SDLC ports where
sdlcPortOperRole == primary
and
sdlcPortOperTopology == multipoint "
::= { sdlcPortOperEntry 8 }
sdlcPortOperSERVLIM OBJECT-TYPE
SYNTAX Integer32
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"This object describes the number of times the
active poll list is currently being traversed
before polling a station on the slow poll list
for a primary, multipoint SDLC port.
This object only has meaning for SDLC ports where
sdlcPortOperRole == primary
and
sdlcPortOperTopology == multipoint "
::= { sdlcPortOperEntry 9 }
sdlcPortOperSlowPollTimer OBJECT-TYPE
SYNTAX TimeInterval
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"This object describes the elapsed time (in
1/100ths of a second) between polls for failed
secondary link station addresses.
This object only has meaning for SDLC ports where
sdlcPortOperRole == primary
and
sdlcPortOperTopology == multipoint "
::= { sdlcPortOperEntry 10 }
sdlcPortOperLastModifyTime OBJECT-TYPE
SYNTAX TimeTicks
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"This object describes the value of sysUpTime
when this port definition was last modified.
If the port has not been modified, then this
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value shall be zero."
::= { sdlcPortOperEntry 11 }
sdlcPortOperLastFailTime OBJECT-TYPE
SYNTAX TimeTicks
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"This object describes the value of sysUpTime
when this SDLC port last failed. If the port
has not failed, then this value shall be zero."
::= { sdlcPortOperEntry 12 }
sdlcPortOperLastFailCause OBJECT-TYPE
SYNTAX INTEGER
{
undefined(1),
physical(2)
}
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"This enumerated object describes the cause of
the last failure of this SDLC port. If the
port has not failed, then this object has a
value of undefined(1)."
DEFVAL { undefined }
::= { sdlcPortOperEntry 13 }
-- *************************************************************
-- * *
-- * THE SDLC PORT STATISTICS TABLE *
-- * *
-- *************************************************************
sdlcPortStatsTable OBJECT-TYPE
SYNTAX SEQUENCE OF SdlcPortStatsEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"Each entry in this table contains statistics
for a specific SDLC port."
::= { sdlcPortGroup 3 }
sdlcPortStatsEntry OBJECT-TYPE
SYNTAX SdlcPortStatsEntry
MAX-ACCESS not-accessible
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STATUS current
DESCRIPTION
"A list of statistics for an SDLC port."
INDEX { ifIndex }
::= { sdlcPortStatsTable 1 }
SdlcPortStatsEntry ::= SEQUENCE
{
sdlcPortStatsPhysicalFailures Counter32,
sdlcPortStatsInvalidAddresses Counter32,
sdlcPortStatsDwarfFrames Counter32,
sdlcPortStatsPollsIn Counter32,
sdlcPortStatsPollsOut Counter32,
sdlcPortStatsPollRspsIn Counter32,
sdlcPortStatsPollRspsOut Counter32,
sdlcPortStatsLocalBusies Counter32,
sdlcPortStatsRemoteBusies Counter32,
sdlcPortStatsIFramesIn Counter32,
sdlcPortStatsIFramesOut Counter32,
sdlcPortStatsOctetsIn Counter32,
sdlcPortStatsOctetsOut Counter32,
sdlcPortStatsProtocolErrs Counter32,
sdlcPortStatsActivityTOs Counter32,
sdlcPortStatsRNRLIMITs Counter32,
sdlcPortStatsRetriesExps Counter32,
sdlcPortStatsRetransmitsIn Counter32,
sdlcPortStatsRetransmitsOut Counter32
}
sdlcPortStatsPhysicalFailures OBJECT-TYPE
SYNTAX Counter32
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"This object reflects the total number of times
this port has failed due to its physical media
since port startup. At port startup time,
this object must be initialized to zero."
::= { sdlcPortStatsEntry 1 }
sdlcPortStatsInvalidAddresses OBJECT-TYPE
SYNTAX Counter32
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"This object reflects the total number of
frames received by this port with invalid link
station addresses."
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::= { sdlcPortStatsEntry 2 }
sdlcPortStatsDwarfFrames OBJECT-TYPE
SYNTAX Counter32
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"This object reflects the total number of
frames received by this port which were
delivered intact by the physical layer but were
too short to be legal.
Ignoring the frame check sequence (FCS), a
frame is considered to be too short if it
is less than 2 bytes for sdlcLSOperMODULO of
eight, or if it is less than 3 bytes for
sdlcLSOperMODULO of onetwentyeight."
::= { sdlcPortStatsEntry 3 }
sdlcPortStatsPollsIn OBJECT-TYPE
SYNTAX Counter32
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"This object reflects the total number of polls
received by this port since the port was
created."
::= { sdlcPortStatsEntry 4 }
sdlcPortStatsPollsOut OBJECT-TYPE
SYNTAX Counter32
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"This object reflects the total number of polls
sent by this port since the port was created."
::= { sdlcPortStatsEntry 5 }
sdlcPortStatsPollRspsIn OBJECT-TYPE
SYNTAX Counter32
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"This object reflects the total number of poll
responses received by this port since the port
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was created."
::= { sdlcPortStatsEntry 6 }
sdlcPortStatsPollRspsOut OBJECT-TYPE
SYNTAX Counter32
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"This object reflects the total number of poll
responses sent by this port since the port was
created."
::= { sdlcPortStatsEntry 7 }
sdlcPortStatsLocalBusies OBJECT-TYPE
SYNTAX Counter32
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"This object reflects the total number of
times that the local SDLC link stations on
this port have entered a busy state (RNR).
This object is initialized to zero when the
port is created."
::= { sdlcPortStatsEntry 8 }
sdlcPortStatsRemoteBusies OBJECT-TYPE
SYNTAX Counter32
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"This object reflects the total number of
times that the adjacent (i.e. remote) SDLC
link stations on this port have entered a busy
state (RNR). This object is initialized to
zero when the port is created."
::= { sdlcPortStatsEntry 9 }
sdlcPortStatsIFramesIn OBJECT-TYPE
SYNTAX Counter32
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"This object reflects the total number of
I-Frames that have been received by SDLC link
stations on this port. This object is
initialized to zero when the port is created."
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::= { sdlcPortStatsEntry 10 }
sdlcPortStatsIFramesOut OBJECT-TYPE
SYNTAX Counter32
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"This object reflects the total number of
I-Frames that have been transmitted by SDLC
link stations on this port. This object is
initialized to zero when the port is created."
::= { sdlcPortStatsEntry 11 }
sdlcPortStatsOctetsIn OBJECT-TYPE
SYNTAX Counter32
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"This object reflects the total octets received
from adjacent SDLC link stations on this port.
This object covers the address, control, and
information field of I-Frames only. This object
is initialized to zero when the port is created."
::= { sdlcPortStatsEntry 12 }
sdlcPortStatsOctetsOut OBJECT-TYPE
SYNTAX Counter32
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"This object reflects the total octets
transmitted to adjacent SDLC link stations on
this port. This object covers the address,
control, and information field of I-Frames
only. This object is initialized to zero when
the port is created."
::= { sdlcPortStatsEntry 13 }
sdlcPortStatsProtocolErrs OBJECT-TYPE
SYNTAX Counter32
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"This object reflects the total number of
times that the SDLC link stations on this port
have deactivated the link as a result of
having received a protocol violation from the
adjacent link station. This object is
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initialized to zero when the port is created."
::= { sdlcPortStatsEntry 14 }
sdlcPortStatsActivityTOs OBJECT-TYPE
SYNTAX Counter32
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"This object reflects the total number of
times that the SDLC link stations on this port
have deactivated the link as a result of no
activity on the link. This object is
initialized to zero when the port is created."
::= { sdlcPortStatsEntry 15 }
sdlcPortStatsRNRLIMITs OBJECT-TYPE
SYNTAX Counter32
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"This object reflects the total number of
times that the SDLC link stations on this port
have deactivated the link as a result of its
RNRLIMIT timer expiring. This object is
initialized to zero when the port is created."
::= { sdlcPortStatsEntry 16 }
sdlcPortStatsRetriesExps OBJECT-TYPE
SYNTAX Counter32
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"This object reflects the total number of
times that the SDLC link stations on this port
have deactivated the link as a result of a
retry sequence being exhausted. This object
is initialized to zero when the port is
created."
::= { sdlcPortStatsEntry 17 }
sdlcPortStatsRetransmitsIn OBJECT-TYPE
SYNTAX Counter32
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"This object reflects the total number of
I-Frames retransmitted by remote link stations
for all SDLC link stations on this port. This
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object is initialized to zero when the port is
created."
::= { sdlcPortStatsEntry 18 }
sdlcPortStatsRetransmitsOut OBJECT-TYPE
SYNTAX Counter32
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"This object reflects the total number of
I-Frames retransmitted by all local SDLC link
stations on this port. This object is
initialized to zero when the port is created."
::= { sdlcPortStatsEntry 19 }
--
-- THE SDLC LINK STATION GROUP
-- ===========================
--
-- The following classes of information is modelled for each SDLC link
-- station:
--
-- 1. ADMINISTRATIVE ( read-write)
-- 2. OPERATIONAL ( read-only)
-- 3. STATISTICS ( read-only)
-- *************************************************************
-- * *
-- * THE SDLC LINK STATION ADMINISTRATIVE TABLE *
-- * *
-- *************************************************************
sdlcLSAdminTable OBJECT-TYPE
SYNTAX SEQUENCE OF SdlcLSAdminEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"This table contains objects that can be
changed to manage an SDLC link station.
Changing one of these parameters may take
effect in the operating link immediately or may
wait until the link is restarted depending on
the details of the implementation.
The entries in sdlcLSAdminTable can be created
either by an agent or a management station. The
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management station can create an entry in
sdlcLSAdminTable by setting the appropriate
value in sdlcLSAdminRowStatus.
Most of the objects in this read-create table
have corresponding read-only objects in the
sdlcLSOperTable that reflect the current
operating value.
The operating values may be different from
these configured values if changed by XID
negotiation or if a configured parameter was
changed after the link was started."
::= { sdlcLSGroup 1 }
sdlcLSAdminEntry OBJECT-TYPE
SYNTAX SdlcLSAdminEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"A list of configured values for an SDLC link
station."
INDEX { ifIndex, sdlcLSAddress }
::= { sdlcLSAdminTable 1 }
SdlcLSAdminEntry ::= SEQUENCE
{
sdlcLSAddress INTEGER,
sdlcLSAdminName DisplayString,
sdlcLSAdminState INTEGER,
sdlcLSAdminISTATUS INTEGER,
sdlcLSAdminMAXDATASend Integer32,
sdlcLSAdminMAXDATARcv Integer32,
sdlcLSAdminREPLYTO TimeInterval,
sdlcLSAdminMAXIN INTEGER,
sdlcLSAdminMAXOUT INTEGER,
sdlcLSAdminMODULO INTEGER,
sdlcLSAdminRETRIESm INTEGER,
sdlcLSAdminRETRIESt TimeInterval,
sdlcLSAdminRETRIESn Integer32,
sdlcLSAdminRNRLIMIT TimeInterval,
sdlcLSAdminDATMODE INTEGER,
sdlcLSAdminGPoll INTEGER,
sdlcLSAdminSimRim INTEGER,
sdlcLSAdminXmitRcvCap INTEGER,
sdlcLSAdminRowStatus RowStatus
}
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sdlcLSAddress OBJECT-TYPE
SYNTAX INTEGER (1..255)
MAX-ACCESS read-create
STATUS current
DESCRIPTION
"This value is the poll address of the
secondary link station for this SDLC link. It
uniquely identifies the SDLC link station
within a single SDLC port."
::= { sdlcLSAdminEntry 1 }
sdlcLSAdminName OBJECT-TYPE
SYNTAX DisplayString (SIZE (1..10))
MAX-ACCESS read-create
STATUS current
DESCRIPTION
"An octet string that defines the local name of
the SDLC link station. This field may be sent
in the XID3 control vector 0x0E, type 0xF7."
::= { sdlcLSAdminEntry 2 }
sdlcLSAdminState OBJECT-TYPE
SYNTAX INTEGER
{
inactive(1),
active(2)
}
MAX-ACCESS read-create
STATUS current
DESCRIPTION
"This object controls the desired state of the
SDLC station. The managed system shall attempt
to keep the operational state, sdlcLSOperState,
consistent with this value."
DEFVAL { active }
::= { sdlcLSAdminEntry 3 }
sdlcLSAdminISTATUS OBJECT-TYPE
SYNTAX INTEGER
{
inactive(1),
active(2)
}
MAX-ACCESS read-create
STATUS current
DESCRIPTION
"This parameter controls the desired state,
sdlcLSAdminState, of the SDLC link station at
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link station start-up."
DEFVAL { active }
::= { sdlcLSAdminEntry 4 }
sdlcLSAdminMAXDATASend OBJECT-TYPE
SYNTAX Integer32
MAX-ACCESS read-create
STATUS current
DESCRIPTION
"This object contains the maximum PDU size that
the local link station thinks it can send to
the adjacent link station before having
received any XID from the ALS. After the
maximum PDU size that the ALS can receive is
known (via XID exchange) that value is
reflected in sdlcLSOperMAXDATASend and takes
precedence over this object.
This value includes the Transmission Header
(TH) and the Request Header (RH)."
::= { sdlcLSAdminEntry 5 }
sdlcLSAdminMAXDATARcv OBJECT-TYPE
SYNTAX Integer32
MAX-ACCESS read-create
STATUS current
DESCRIPTION
"This object contains the maximum PDU size that
the local link station can receive from the
adjacent link station. This value is sent in
the XID to the ALS.
This value includes the Transmission Header
(TH) and the Request Header (RH)."
::= { sdlcLSAdminEntry 6 }
sdlcLSAdminREPLYTO OBJECT-TYPE
SYNTAX TimeInterval
MAX-ACCESS read-create
STATUS current
DESCRIPTION
"This object controls the reply timeout (in
1/100ths of a second) for an SDLC link
station. If the link station does not receive
a response to a poll or message before the
specified time expires then the appropriate
error recovery shall be initiated.
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The object descriptor contains the name of an
NCP configuration parameter, REPLYTO. Please
note that the value of this object represents
1/100ths of a second while the NCP REPLYTO is
represented in 1/10ths of a second.
Depending on the implementation, a write
operation to this administered value may not
change the operational value, sdlcLSOperREPLYTO,
until the link station is cycled inactive.
This object only has meaning for SDLC ports where
sdlcPortAdminRole == primary "
DEFVAL { 100 }
::= { sdlcLSAdminEntry 7 }
sdlcLSAdminMAXIN OBJECT-TYPE
SYNTAX INTEGER (1..127)
MAX-ACCESS read-create
STATUS current
DESCRIPTION
"This object controls the maximum number of
unacknowledged I-frames which an SDLC link
station may receive. This should range from 1
to (sdlcLSAdminMODULO - 1). This value is sent
in the XID to the ALS.
A write operation to this administered value
will not change the operational value,
sdlcLSOperMAXIN, until the link station is
cycled inactive."
DEFVAL { 7 }
::= { sdlcLSAdminEntry 8 }
sdlcLSAdminMAXOUT OBJECT-TYPE
SYNTAX INTEGER (1..127)
MAX-ACCESS read-create
STATUS current
DESCRIPTION
"This object controls the maximum number of
consecutive unacknowledged I-frames which an
SDLC link station shall send without an
acknowledgement. This shall range from 1 to
(sdlcLSAdminMODULO - 1).
For link stations on switched SDLC lines,
certain implementions may choose to override
this administered value with the value
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received in the XID exchange.
Depending on the implementation, a write
operation to this administered value may not
change the operational value,
sdlcLSOperMAXOUT, until the link station is
cycled inactive.
An implementation can support only modulo 8,
only modulo 128, or both."
DEFVAL { 1 }
::= { sdlcLSAdminEntry 9 }
sdlcLSAdminMODULO OBJECT-TYPE
SYNTAX INTEGER { eight(8), onetwentyeight(128) }
MAX-ACCESS read-create
STATUS current
DESCRIPTION
"This object controls the modulus for an SDLC
link station. This modulus determines the size
of the rotating acknowledgement window used the
SDLC link station pair.
A write operation to this administered value
will not change the operational value,
sdlcLSOperMODULO, until the link station is
cycled inactive.
An implementation can support only modulo 8,
only modulo 128, or both."
DEFVAL { eight }
::= { sdlcLSAdminEntry 10 }
sdlcLSAdminRETRIESm OBJECT-TYPE
SYNTAX INTEGER (0..128)
MAX-ACCESS read-create
STATUS current
DESCRIPTION
"This object controls number of retries in a
retry sequence for the local SDLC link
station. A retry sequence is a series of
retransmitted frames ( data or control) for
which no positive acknowledgement is received.
The number of times that the retry sequence is
to be repeated is controlled by the object:
sdlcLSAdminRETRIESn. The interval between retry
sequences is controlled by the object:
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sdlcLSAdminRETRIESt.
A value of zero indicates no retries. If the
value of sdlcLSAdminRETRIESm is zero, then the
values of sdlcLSAdminRETRIESt and
sdlcLSAdminRETRIESn should also be zero.
Depending on the implementation, a write
operation to this administered value may not
change the operational value, sdlcLSOperRETRIESm,
until the link station is cycled inactive."
DEFVAL { 15 }
::= { sdlcLSAdminEntry 11 }
sdlcLSAdminRETRIESt OBJECT-TYPE
SYNTAX TimeInterval
MAX-ACCESS read-create
STATUS current
DESCRIPTION
"This object controls the interval (in 1/100ths
of a second) between retry sequences for the
local SDLC link station if multiple retry
sequences are specified . A retry sequence is
a series of retransmitted frames ( data or
control) for which no positive acknowledgement
is received.
The number of repeated retries sequences is
controlled by the object: sdlcLSAdminRETRIESn.
The retries per sequence is controlled by the
object: sdlcLSAdminRETRIESm.
The object descriptor contains the name of an
NCP configuration parameter, RETRIESt. Please
note that the value of this object represents
1/100ths of a second while the NCP RETRIESt is
represented in seconds.
Depending on the implementation, a write
operation to this administered value may not
change the operational value, sdlcLSOperRETRIESt,
until the link station is cycled inactive."
DEFVAL { 0 }
::= { sdlcLSAdminEntry 12 }
sdlcLSAdminRETRIESn OBJECT-TYPE
SYNTAX Integer32
MAX-ACCESS read-create
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STATUS current
DESCRIPTION
"This object controls the number of times that
a retry sequence is repeated for the local SDLC
link station. A retry sequence is a series of
retransmitted frames ( data or control) for
which no positive acknowledgement is received.
The interval between retry sequences is
controlled by the object: sdlcLSAdminRETRIESn.
The retries per sequence is controlled by the
object: sdlcLSAdminRETRIESm.
Depending on the implementation, a write
operation to this administered value may not
change the operational value, sdlcLSOperRETRIESn,
until the link station is cycled inactive."
DEFVAL { 0 }
::= { sdlcLSAdminEntry 13 }
sdlcLSAdminRNRLIMIT OBJECT-TYPE
SYNTAX TimeInterval
MAX-ACCESS read-create
STATUS current
DESCRIPTION
"This object controls the length of time (in
1/100ths of a second) that an SDLC link station
will allow its adjacent link station to remain
in a busy (RNR) state before declaring it
inoperative.
A value of sdlcLSAdminRNRLIMIT == 0 means there
is no limit.
The object descriptor contains the name of an
NCP configuration parameter, RNRLIMIT. Please
note that the value of this object represents
1/100ths of a second while the NCP RNRLIMIT is
represented in minutes.
Depending on the implementation, a write
operation to this administered value may not
change the operational value, sdlcLSOperRNRLIMIT,
until the link station is cycled inactive."
DEFVAL { 18000 }
::= { sdlcLSAdminEntry 14 }
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sdlcLSAdminDATMODE OBJECT-TYPE
SYNTAX INTEGER
{
half(1),
full(2)
}
MAX-ACCESS read-create
STATUS current
DESCRIPTION
"This object controls whether communications
mode with the adjacent link station is
two-way-alternate (half) or two-way-simultaneous
(full).
A write operation to this administered value
will not change the operational value,
sdlcLSOperDATMODE, until the link station is
cycled inactive."
DEFVAL { half }
::= { sdlcLSAdminEntry 15 }
sdlcLSAdminGPoll OBJECT-TYPE
SYNTAX INTEGER (0..254)
MAX-ACCESS read-create
STATUS current
DESCRIPTION
"This object describes the group poll address for
this link station instance. If group poll is not
in effect for this link station instance, the
value for sdlcLSAdminGPoll should be zero.
Depending on the implementation, a write operation
to this administered value may not change the
operational value, sdlcLSOperGPoll, until the
link station is cycled inactive."
::= { sdlcLSAdminEntry 16 }
sdlcLSAdminSimRim OBJECT-TYPE
SYNTAX INTEGER
{
no(1),
yes(2)
}
MAX-ACCESS read-create
STATUS current
DESCRIPTION
"This object controls the support for
transmission and receipt of SIM and RIM control
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frames for this link station. The value of
this object controls the setting of the
transmit-receive capability sent in the XID
field."
DEFVAL { no }
::= { sdlcLSAdminEntry 17 }
sdlcLSAdminXmitRcvCap OBJECT-TYPE
SYNTAX INTEGER
{
twa(1),
tws(2)
}
MAX-ACCESS read-create
STATUS current
DESCRIPTION
"This object controls the transmit-receive
capabilities for this SDLC link station. The
value of this object establishes the value of
the transmit-receive capability indicator sent
in the XID image to the adjacent link station."
DEFVAL { twa }
::= { sdlcLSAdminEntry 18 }
sdlcLSAdminRowStatus OBJECT-TYPE
SYNTAX RowStatus
MAX-ACCESS read-create
STATUS current
DESCRIPTION
"This object is used by a management station to
create or delete the row entry in sdlcLSAdminTable
following the RowStatus textual convention.
Upon successful creation of the row, an agent
automatically creates a corresponding entry in the
sdlcLSOperTable with sdlcLSOperState equal to
'discontacted (1)'."
::= { sdlcLSAdminEntry 19 }
-- *************************************************************
-- * *
-- * THE SDLC LINK STATION OPERATIONAL TABLE *
-- * *
-- *************************************************************
sdlcLSOperTable OBJECT-TYPE
SYNTAX SEQUENCE OF SdlcLSOperEntry
MAX-ACCESS not-accessible
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STATUS current
DESCRIPTION
"This table contains current SDLC link
parameters. Many of these objects have
corresponding objects in the sdlcLSAdminTable."
::= { sdlcLSGroup 2 }
sdlcLSOperEntry OBJECT-TYPE
SYNTAX SdlcLSOperEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"A list of status and control values for an
SDLC link station."
INDEX { ifIndex, sdlcLSAddress }
::= { sdlcLSOperTable 1 }
SdlcLSOperEntry ::= SEQUENCE
{
sdlcLSOperName DisplayString,
sdlcLSOperRole INTEGER,
sdlcLSOperState INTEGER,
sdlcLSOperMAXDATASend Integer32,
sdlcLSOperREPLYTO TimeInterval,
sdlcLSOperMAXIN INTEGER,
sdlcLSOperMAXOUT INTEGER,
sdlcLSOperMODULO INTEGER,
sdlcLSOperRETRIESm INTEGER,
sdlcLSOperRETRIESt TimeInterval,
sdlcLSOperRETRIESn INTEGER,
sdlcLSOperRNRLIMIT TimeInterval,
sdlcLSOperDATMODE INTEGER,
sdlcLSOperLastModifyTime TimeTicks,
sdlcLSOperLastFailTime TimeTicks,
sdlcLSOperLastFailCause INTEGER,
sdlcLSOperLastFailCtrlIn OCTET STRING,
sdlcLSOperLastFailCtrlOut OCTET STRING,
sdlcLSOperLastFailFRMRInfo OCTET STRING,
sdlcLSOperLastFailREPLYTOs Counter32,
sdlcLSOperEcho INTEGER,
sdlcLSOperGPoll INTEGER,
sdlcLSOperSimRim INTEGER,
sdlcLSOperXmitRcvCap INTEGER
}
sdlcLSOperName OBJECT-TYPE
SYNTAX DisplayString (SIZE (1..10))
MAX-ACCESS read-only
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STATUS current
DESCRIPTION
"An octet string that defines the name of the
remote SDLC link station. This field is
received in the XID3 control vector 0x0E, type
0xF7."
::= { sdlcLSOperEntry 1 }
sdlcLSOperRole OBJECT-TYPE
SYNTAX INTEGER
{
primary(1),
secondary(2),
undefined(3)
}
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"This object reflects the current role that the link
station is assuming.
The value of sdlcLSOperRole is undefined(3)
whenever the link station role has not yet been
established by the mode setting command."
::= { sdlcLSOperEntry 2 }
sdlcLSOperState OBJECT-TYPE
SYNTAX INTEGER
{
discontacted(1),
contactPending(2),
contacted(3),
discontactPending(4)
}
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"This object describes the operational state of
the SDLC link station. The managed system
shall attempt to keep this value consistent
with the administered state, sdlcLSAdminState"
::= { sdlcLSOperEntry 3 }
sdlcLSOperMAXDATASend OBJECT-TYPE
SYNTAX Integer32
MAX-ACCESS read-only
STATUS current
DESCRIPTION
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"This object contains the actual maximum PDU
size that the local link station can send to
the adjacent link station. This object is
established from the value received in the XID
from the adjacent link station. If no XID
is received, then this value is implementation
dependent (for instance, it could be the value
of sdlcLSAdminMAXDATASend).
This value includes the Transmission Header
(TH) and the Request Header (RH)."
::= { sdlcLSOperEntry 4 }
sdlcLSOperREPLYTO OBJECT-TYPE
SYNTAX TimeInterval
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"This object reflects the current reply timeout
(in 1/100ths of a second) for an SDLC link
station. If the link station does not receive
a response to a poll or message before the
specified time expires then the appropriate
error recovery shall be initiated.
The object descriptor contains the name of an
NCP configuration parameter, REPLYTO. Please
note that the value of this object represents
1/100ths of a second while the NCP REPLYTO is
represented in 1/10ths of a second.
This object only has meaning for SDLC ports where
sdlcPortOperRole == primary "
::= { sdlcLSOperEntry 5 }
sdlcLSOperMAXIN OBJECT-TYPE
SYNTAX INTEGER (1..127)
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"This object reflects the current maximum
number of unacknowledged I-frames which an SDLC
link station may receive. This shall range
from 1 to (sdlcLSOperMODULO - 1)."
::= { sdlcLSOperEntry 6 }
sdlcLSOperMAXOUT OBJECT-TYPE
SYNTAX INTEGER (1..127)
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MAX-ACCESS read-only
STATUS current
DESCRIPTION
"This object controls the maximum number of
consecutive unacknowledged I-frames which an
SDLC link station shall send without an
acknowledgement. This shall range from 1 to
(sdlcLSAdminMODULO - 1).
This value may controlled by the administered
MAXOUT, sdlcLSAdminMAXOUT, or by the MAXIN value
received during the XID exchange."
::= { sdlcLSOperEntry 7 }
sdlcLSOperMODULO OBJECT-TYPE
SYNTAX INTEGER { eight(8), onetwentyeight(128) }
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"This object reflects the current modulus for
an SDLC link station. This modulus determines
the size of rotating acknowledgement window
used by the SDLC link station pair."
DEFVAL { eight }
::= { sdlcLSOperEntry 8 }
sdlcLSOperRETRIESm OBJECT-TYPE
SYNTAX INTEGER (0..128)
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"This object controls number of retries in a
retry sequence for an SDLC link station. A
retry sequence is a series of retransmitted
frames ( data or control) for which no positive
acknowledgement is received.
The current number of times that the retry
sequence is to be repeated is reflected by the
object: sdlcLSOperRETRIESn. The current
interval between retry sequences is reflected
by the object: sdlcLSOperRETRIESt."
::= { sdlcLSOperEntry 9 }
sdlcLSOperRETRIESt OBJECT-TYPE
SYNTAX TimeInterval
MAX-ACCESS read-only
STATUS current
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DESCRIPTION
"This object reflects the current interval (in
1/100ths of a second) between retry sequences
for an SDLC link station if multiple retry
sequences are specified. A retry sequence is a
series of retransmitted frames ( data or
control) for which no positive acknowledgement
is received.
The object descriptor contains the name of an
NCP configuration parameter, RETRIESt. Please
note that the value of this object represents
1/100ths of a second while the NCP RETRIESt is
represented in seconds.
The current number of repeated retries
sequences is reflected by the object:
sdlcLSOperRETRIESn. The current retries per
sequence is reflected by the object:
sdlcLSOperRETRIESm."
::= { sdlcLSOperEntry 10 }
sdlcLSOperRETRIESn OBJECT-TYPE
SYNTAX INTEGER (0..127)
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"This object reflects the current number of
times that a retry sequence is repeated for an
SDLC link station. A retry sequence is a
series of retransmitted frames ( data or
control) for which no positive acknowledgement
is received.
The current interval between retry sequences is
reflected by the object: sdlcLSOperRETRIESn.
The current retries per sequence is reflected
by the object: sdlcLSOperRETRIESm."
::= { sdlcLSOperEntry 11 }
sdlcLSOperRNRLIMIT OBJECT-TYPE
SYNTAX TimeInterval
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"This object reflects the current length of
time (in 1/100ths of a second) that an SDLC
link station will allow its adjacent link
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station to remain in a busy (RNR) state before
declaring it inoperative.
The object descriptor contains the name of an
NCP configuration parameter, RNRLIMIT. Please
note that the value of this object represents
1/100ths of a second while the NCP RNRLIMIT is
represented in minutes.
A value of sdlcLSOperRNRLIMIT == 0 means there
is no limit."
::= { sdlcLSOperEntry 12 }
sdlcLSOperDATMODE OBJECT-TYPE
SYNTAX INTEGER
{
half(1),
full(2)
}
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"This object reflects whether the current
communications mode with the adjacent link
station is two-way-alternate (half) or
two-way-simultaneous (full)."
::= { sdlcLSOperEntry 13 }
sdlcLSOperLastModifyTime OBJECT-TYPE
SYNTAX TimeTicks
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"This object describes the value of sysUpTime
when this link station definition was last
modified. If the link station has not been
modified, then this value shall be zero."
::= { sdlcLSOperEntry 14 }
sdlcLSOperLastFailTime OBJECT-TYPE
SYNTAX TimeTicks
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"This object describes the value of sysUpTime
when this SDLC link station last failed. If
the link station has not failed, then this
value shall be zero."
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::= { sdlcLSOperEntry 15 }
sdlcLSOperLastFailCause OBJECT-TYPE
SYNTAX INTEGER
{
undefined(1),
rxFRMR(2),
txFRMR(3),
noResponse(4),
protocolErr(5),
noActivity(6),
rnrLimit(7),
retriesExpired(8)
}
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"This enumerated object reflects the cause of the
last failure of this SDLC link station. If the link
station has not failed, then this object will have
a value of undefined(1)."
DEFVAL { undefined }
::= { sdlcLSOperEntry 16 }
sdlcLSOperLastFailCtrlIn OBJECT-TYPE
SYNTAX OCTET STRING (SIZE(1..2))
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"This object reflects the last control octet or octets
(depending on modulus) received by this SDLC link
station at the time of the last failure. If the link
station has not failed, then this value has no
meaning."
::= { sdlcLSOperEntry 17 }
sdlcLSOperLastFailCtrlOut OBJECT-TYPE
SYNTAX OCTET STRING (SIZE(1..2))
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"This object reflects the last control octet or octets
(depending on modulus) sent by this SDLC link
station at the time of the last failure. If the link
station has not failed, then this value has no
meaning."
::= { sdlcLSOperEntry 18 }
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sdlcLSOperLastFailFRMRInfo OBJECT-TYPE
SYNTAX OCTET STRING (SIZE(3))
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"This object reflects the information field of the
FRMR frame if the last failure for this SDLC link
station was as a result of an invalid frame.
Otherwise, this field has no meaning."
::= { sdlcLSOperEntry 19 }
sdlcLSOperLastFailREPLYTOs OBJECT-TYPE
SYNTAX Counter32
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"This object reflects the number of times that the
REPLYTO timer had expired for an SDLC link
station at the time of the last failure. If the link
station has not failed, then this value has no
meaning."
::= { sdlcLSOperEntry 20 }
sdlcLSOperEcho OBJECT-TYPE
SYNTAX INTEGER
{
no(1),
yes(2)
}
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"This object identifies whether the echo bit is
in effect for this particular link station."
DEFVAL { no }
::= { sdlcLSOperEntry 21 }
sdlcLSOperGPoll OBJECT-TYPE
SYNTAX INTEGER (0..254)
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"This object describes the group poll address
in effect for this link station instance."
DEFVAL { 0 }
::= { sdlcLSOperEntry 22 }
sdlcLSOperSimRim OBJECT-TYPE
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SYNTAX INTEGER
{
no(1),
yes(2)
}
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"This object reflects the support for transmission
and receipt of SIM and RIM control frames for
the adjacent link station. The value of this
object is set from the XID field received from
the adjacent link station."
DEFVAL { no }
::= { sdlcLSOperEntry 23 }
sdlcLSOperXmitRcvCap OBJECT-TYPE
SYNTAX INTEGER
{
twa(1),
tws(2)
}
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"This object reflects the transmit-receive
capabilities for the adjacent SDLC link
station. The value of this object is the value
of the transmit-receive capability indicator
received in the XID image from the adjacent
link station."
DEFVAL { twa }
::= { sdlcLSOperEntry 24 }
-- *************************************************************
-- * *
-- * THE SDLC LINK STATION STATISTICS TABLE *
-- * *
-- *************************************************************
sdlcLSStatsTable OBJECT-TYPE
SYNTAX SEQUENCE OF SdlcLSStatsEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"Each entry in this table contains statistics
for a specific SDLC link station."
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::= { sdlcLSGroup 3 }
sdlcLSStatsEntry OBJECT-TYPE
SYNTAX SdlcLSStatsEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"A list of statistics for an SDLC link station."
INDEX { ifIndex, sdlcLSAddress }
::= { sdlcLSStatsTable 1 }
SdlcLSStatsEntry ::= SEQUENCE
{
sdlcLSStatsBLUsIn Counter32,
sdlcLSStatsBLUsOut Counter32,
sdlcLSStatsOctetsIn Counter32,
sdlcLSStatsOctetsOut Counter32,
sdlcLSStatsPollsIn Counter32,
sdlcLSStatsPollsOut Counter32,
sdlcLSStatsPollRspsIn Counter32,
sdlcLSStatsPollRspsOut Counter32,
sdlcLSStatsLocalBusies Counter32,
sdlcLSStatsRemoteBusies Counter32,
sdlcLSStatsIFramesIn Counter32,
sdlcLSStatsIFramesOut Counter32,
sdlcLSStatsUIFramesIn Counter32,
sdlcLSStatsUIFramesOut Counter32,
sdlcLSStatsXIDsIn Counter32,
sdlcLSStatsXIDsOut Counter32,
sdlcLSStatsTESTsIn Counter32,
sdlcLSStatsTESTsOut Counter32,
sdlcLSStatsREJsIn Counter32,
sdlcLSStatsREJsOut Counter32,
sdlcLSStatsFRMRsIn Counter32,
sdlcLSStatsFRMRsOut Counter32,
sdlcLSStatsSIMsIn Counter32,
sdlcLSStatsSIMsOut Counter32,
sdlcLSStatsRIMsIn Counter32,
sdlcLSStatsRIMsOut Counter32,
sdlcLSStatsDISCIn Counter32,
sdlcLSStatsDISCOut Counter32,
sdlcLSStatsUAIn Counter32,
sdlcLSStatsUAOut Counter32,
sdlcLSStatsDMIn Counter32,
sdlcLSStatsDMOut Counter32,
sdlcLSStatsSNRMIn Counter32,
sdlcLSStatsSNRMOut Counter32,
sdlcLSStatsProtocolErrs Counter32,
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sdlcLSStatsActivityTOs Counter32,
sdlcLSStatsRNRLIMITs Counter32,
sdlcLSStatsRetriesExps Counter32,
sdlcLSStatsRetransmitsIn Counter32,
sdlcLSStatsRetransmitsOut Counter32
}
sdlcLSStatsBLUsIn OBJECT-TYPE
SYNTAX Counter32
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"This object reflects the total basic link
units (BLUs; frames) received from an adjacent
SDLC link station since link station startup.
At link station startup time, this object must
be initialized to zero."
::= { sdlcLSStatsEntry 1 }
sdlcLSStatsBLUsOut OBJECT-TYPE
SYNTAX Counter32
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"This object reflects the total basic link
units (BLUs; frames), transmitted to an
adjacent SDLC link station since link station
startup. At link station startup time, this
object must be initialized to zero."
::= { sdlcLSStatsEntry 2 }
sdlcLSStatsOctetsIn OBJECT-TYPE
SYNTAX Counter32
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"This object reflects the total octets received
from an adjacent SDLC link station since link
station startup. This object covers the
address, control, and information field of
I-Frames only. At link station startup time,
this object must be initialized to zero."
::= { sdlcLSStatsEntry 3 }
sdlcLSStatsOctetsOut OBJECT-TYPE
SYNTAX Counter32
MAX-ACCESS read-only
STATUS current
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DESCRIPTION
"This object reflects the total octets
transmitted to an adjacent SDLC link station
since link station startup. This object covers
the address, control, and information field of
I-Frames only. At link station startup time,
this object must be initialized to zero."
::= { sdlcLSStatsEntry 4 }
sdlcLSStatsPollsIn OBJECT-TYPE
SYNTAX Counter32
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"This object reflects the total polls received
from an adjacent SDLC link station since link
station startup. At link station startup time,
this object must be initialized to zero."
::= { sdlcLSStatsEntry 5 }
sdlcLSStatsPollsOut OBJECT-TYPE
SYNTAX Counter32
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"This object reflects the total polls sent to
an adjacent SDLC link station since link
station startup. At link station startup time,
this object must be initialized to zero."
::= { sdlcLSStatsEntry 6 }
sdlcLSStatsPollRspsOut OBJECT-TYPE
SYNTAX Counter32
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"This object reflects the total number of poll
responses sent to the adjacent SDLC link
station since link station startup. This value
includes I-frames that are sent in response to
a poll.
At link station startup time, this object must
be initialized to zero."
::= { sdlcLSStatsEntry 7 }
sdlcLSStatsPollRspsIn OBJECT-TYPE
SYNTAX Counter32
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MAX-ACCESS read-only
STATUS current
DESCRIPTION
"This object reflects the total number of poll
responses received from the adjacent SDLC link
station since station startup. This value
includes I-frames that are received in response
to a poll.
At link station startup time, this object must
be initialized to zero."
::= { sdlcLSStatsEntry 8 }
sdlcLSStatsLocalBusies OBJECT-TYPE
SYNTAX Counter32
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"This object reflects the total number of times
that the local SDLC link station has entered a
busy state (RNR) since link station startup.
At link station startup time, this object must
be initialized to zero."
::= { sdlcLSStatsEntry 9 }
sdlcLSStatsRemoteBusies OBJECT-TYPE
SYNTAX Counter32
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"This object reflects the total number of times
that an adjacent ( remote) SDLC link station
has entered a busy state (RNR) since link
station startup. At link station startup time,
this object must be initialized to zero."
::= { sdlcLSStatsEntry 10 }
sdlcLSStatsIFramesIn OBJECT-TYPE
SYNTAX Counter32
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"This object reflects the total I-frames
received from an adjacent SDLC link station
since link station startup. At link station
startup time, this object must be initialized
to zero."
::= { sdlcLSStatsEntry 11 }
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sdlcLSStatsIFramesOut OBJECT-TYPE
SYNTAX Counter32
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"This object reflects the total I-frames
transmitted to an adjacent SDLC link station
since link station startup. At link station
startup time, this object must be initialized
to zero."
::= { sdlcLSStatsEntry 12 }
sdlcLSStatsUIFramesIn OBJECT-TYPE
SYNTAX Counter32
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"This object reflects the total UI-frames
received from an adjacent SDLC link station
since link station startup."
::= { sdlcLSStatsEntry 13 }
sdlcLSStatsUIFramesOut OBJECT-TYPE
SYNTAX Counter32
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"This object reflects the total UI-frames
transmitted to an adjacent SDLC link station
since link station startup."
::= { sdlcLSStatsEntry 14 }
sdlcLSStatsXIDsIn OBJECT-TYPE
SYNTAX Counter32
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"This object reflects the total XID frames
received from an adjacent SDLC link station
since link station startup."
::= { sdlcLSStatsEntry 15 }
sdlcLSStatsXIDsOut OBJECT-TYPE
SYNTAX Counter32
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"This object reflects the total XID frames
Expires April 21, 1995 [Page 48]
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transmitted to an adjacent SDLC link station
since link station startup."
::= { sdlcLSStatsEntry 16 }
sdlcLSStatsTESTsIn OBJECT-TYPE
SYNTAX Counter32
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"This object reflects the total TEST frames,
commands or responses, received from an
adjacent SDLC link station since link station
startup."
::= { sdlcLSStatsEntry 17 }
sdlcLSStatsTESTsOut OBJECT-TYPE
SYNTAX Counter32
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"This object reflects the total TEST frames,
commands or responses, transmitted to an
adjacent SDLC link station since link station
startup."
::= { sdlcLSStatsEntry 18 }
sdlcLSStatsREJsIn OBJECT-TYPE
SYNTAX Counter32
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"This object reflects the total REJ frames
received from an adjacent SDLC link station
since link station startup."
::= { sdlcLSStatsEntry 19 }
sdlcLSStatsREJsOut OBJECT-TYPE
SYNTAX Counter32
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"This object reflects the total REJ frames
transmitted to an adjacent SDLC link station
since link station startup."
::= { sdlcLSStatsEntry 20 }
sdlcLSStatsFRMRsIn OBJECT-TYPE
SYNTAX Counter32
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MAX-ACCESS read-only
STATUS current
DESCRIPTION
"This object reflects the total frame reject
(FRMR) frames received from an adjacent SDLC
link station since link station startup."
::= { sdlcLSStatsEntry 21 }
sdlcLSStatsFRMRsOut OBJECT-TYPE
SYNTAX Counter32
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"This object reflects the total frame reject
(FRMR) frames transmitted to an adjacent SDLC
link station since link station startup."
::= { sdlcLSStatsEntry 22 }
sdlcLSStatsSIMsIn OBJECT-TYPE
SYNTAX Counter32
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"This object reflects the total set
initialization mode (SIM) frames received from
an adjacent SDLC link station since link station
startup."
::= { sdlcLSStatsEntry 23 }
sdlcLSStatsSIMsOut OBJECT-TYPE
SYNTAX Counter32
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"This object reflects the total set
initialization mode (SIM) frames transmitted to
an adjacent SDLC link station since link station
startup. At link station startup time, this
object must be initialized to zero."
::= { sdlcLSStatsEntry 24 }
sdlcLSStatsRIMsIn OBJECT-TYPE
SYNTAX Counter32
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"This object reflects the total request
initialization mode (RIM) frames received from
Expires April 21, 1995 [Page 50]
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an adjacent SDLC link station since link station
startup. At link station startup time, this
object must be initialized to zero."
::= { sdlcLSStatsEntry 25 }
sdlcLSStatsRIMsOut OBJECT-TYPE
SYNTAX Counter32
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"This object reflects the total request
initialization mode (RIM) frames transmitted to
an adjacent SDLC link station since link station
startup. At link station startup time, this
object must be initialized to zero."
::= { sdlcLSStatsEntry 26 }
sdlcLSStatsDISCIn OBJECT-TYPE
SYNTAX Counter32
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"This object reflects the total number of
disconnect (DISC) requests received from an
adjacent SDLC link station since link station
startup. At link station startup time, this
object must be initialized to zero."
::= { sdlcLSStatsEntry 27 }
sdlcLSStatsDISCOut OBJECT-TYPE
SYNTAX Counter32
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"This object reflects the total number of
disconnect (DISC) requests transmited to an
adjacent SDLC link station since link station
startup. At link station startup time, this
object must be initialized to zero."
::= { sdlcLSStatsEntry 28 }
sdlcLSStatsUAIn OBJECT-TYPE
SYNTAX Counter32
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"This object reflects the total number of
unnumbered acknowledgements (UA) requests
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received from an adjacent SDLC link station
since link station startup. At link station
startup time, this object must be initialized
to zero."
::= { sdlcLSStatsEntry 29 }
sdlcLSStatsUAOut OBJECT-TYPE
SYNTAX Counter32
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"This object reflects the total number of
unnumbered acknowledgements (UA) requests
transmited to an adjacent SDLC link station
since link station startup. At link station
startup time, this object must be initialized
to zero."
::= { sdlcLSStatsEntry 30 }
sdlcLSStatsDMIn OBJECT-TYPE
SYNTAX Counter32
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"This object reflects the total number of
disconnect mode (DM) requests received from an
adjacent SDLC link station since link station
startup. At link station startup time, this
object must be initialized to zero."
::= { sdlcLSStatsEntry 31 }
sdlcLSStatsDMOut OBJECT-TYPE
SYNTAX Counter32
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"This object reflects the total number of
disconnect mode (DM) requests transmited to an
adjacent SDLC link station since link station
startup. At link station startup time, this
object must be initialized to zero."
::= { sdlcLSStatsEntry 32 }
sdlcLSStatsSNRMIn OBJECT-TYPE
SYNTAX Counter32
MAX-ACCESS read-only
STATUS current
DESCRIPTION
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"This object reflects the total number of
set normal response mode (SNRM/SNRME) requests
received from an adjacent SDLC link station
since link station startup. At link station
startup time, this object must be initialized
to zero."
::= { sdlcLSStatsEntry 33 }
sdlcLSStatsSNRMOut OBJECT-TYPE
SYNTAX Counter32
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"This object reflects the total number of
set normal response mode (SNRM/SNRME) requests
transmited to an adjacent SDLC link station
since link station startup. At link station
startup time, this object must be initialized
to zero."
::= { sdlcLSStatsEntry 34 }
sdlcLSStatsProtocolErrs OBJECT-TYPE
SYNTAX Counter32
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"This object reflects the total occurrences,
since link station startup, where this SDLC
link station has inactivated the link as a
result of receiving a frame from its adjacent
link station which was in violation of the
protocol. At link station startup time, this
object must be initialized to zero."
::= { sdlcLSStatsEntry 35 }
sdlcLSStatsActivityTOs OBJECT-TYPE
SYNTAX Counter32
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"This object reflects the total occurrences,
since startup, where this SDLC link station has
inactivated the link as a result of no activity
on the link. At link station startup time,
this object must be initialized to zero."
::= { sdlcLSStatsEntry 36 }
sdlcLSStatsRNRLIMITs OBJECT-TYPE
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SYNTAX Counter32
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"This object reflects the total occurrences,
since startup, where this SDLC link station has
inactivated the link as a result of its
RNRLIMIT timer expiring. At link station
startup time, this object must be initialized
to zero."
::= { sdlcLSStatsEntry 37 }
sdlcLSStatsRetriesExps OBJECT-TYPE
SYNTAX Counter32
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"This object reflects the total occurrences,
since startup, where this SDLC link station has
inactivated the link as a result of a retry
sequence being exhausted. At link station
startup time, this object must be initialized
to zero."
::= { sdlcLSStatsEntry 38 }
sdlcLSStatsRetransmitsIn OBJECT-TYPE
SYNTAX Counter32
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"This object reflects the total number of
information frames retransmitted by the remote
link station because the N(s) received from
that link station indicated that one or more
information frames sent by that station were
lost. This event causes the first missing
information frame of a window and all
subsequent information frames to be
retransmitted. At link station startup time,
this object must be initialized to zero.
Management: If the value of sdlcLSStatsRetransmitsIn
grows over time, then the quality of the
serial line is in question. You might want to
look at decreasing the value for
sdlcLSAdminMAXDATASend to compensate for the lower
quality line."
::= { sdlcLSStatsEntry 39 }
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sdlcLSStatsRetransmitsOut OBJECT-TYPE
SYNTAX Counter32
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"This object reflects the total number of
information frames retransmitted to a remote
link station because the N(r) received from
that link station indicated that one or more
information frames sent to that station were
lost. This event causes the first missing
information frame of a window and all
subsequent information frames to be
retransmitted. At link station startup time,
this object must be initialized to zero.
Management: If the value of
sdlcLSStatsRetransmitsOut grows over time,
then the quality of the serial line is in
question. You might want to look at
decreasing the value for sdlcLSAdminMAXDATASend
to compensate for the lower quality line."
::= { sdlcLSStatsEntry 40 }
--
-- TRAP DEFINITIONS
--
--
-- Notifications
--
sdlcTraps OBJECT IDENTIFIER ::= { sdlc 3 }
sdlcPortStatusChange NOTIFICATION-TYPE
OBJECTS { ifIndex,
-- sdlcPortOperState,
-- sdlcPortAdminState,
sdlcPortOperLastFailTime,
sdlcPortOperLastFailCause
}
STATUS current
DESCRIPTION
"This trap indicates that the state of an SDLC port
has transitioned to active or inactive."
::= { sdlcTraps 1 }
sdlcLSStatusChange NOTIFICATION-TYPE
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OBJECTS { ifIndex,
sdlcLSAddress,
sdlcLSOperState,
sdlcLSAdminState,
sdlcLSOperLastFailTime,
sdlcLSOperLastFailCause,
sdlcLSOperLastFailFRMRInfo,
sdlcLSOperLastFailCtrlIn,
sdlcLSOperLastFailCtrlOut,
sdlcLSOperLastFailREPLYTOs
}
STATUS current
DESCRIPTION
"This trap indicates that the state of an SDLC link
station has transitioned to contacted or
discontacted."
::= { sdlcTraps 2 }
--
-- Conformance Information
--
sdlcConformance OBJECT IDENTIFIER ::= { sdlc 4 }
sdlcCompliances OBJECT IDENTIFIER ::= { sdlcConformance 1 }
sdlcGroups OBJECT IDENTIFIER ::= { sdlcConformance 2 }
--
-- Compliance Statements
--
sdlcCoreCompliance MODULE-COMPLIANCE
STATUS current
DESCRIPTION
"The core compliance statement for all SDLC nodes."
MODULE
MANDATORY-GROUPS
{
sdlcCorePortAdminGroup, sdlcCorePortOperGroup,
sdlcCorePortStatsGroup, sdlcCoreLSAdminGroup,
sdlcCoreLSOperGroup, sdlcCoreLSStatsGroup
}
OBJECT sdlcPortAdminName
MIN-ACCESS read-only
DESCRIPTION
"Write access is not required."
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OBJECT sdlcPortAdminRole
MIN-ACCESS read-only
DESCRIPTION
"Write access is not required."
OBJECT sdlcPortAdminType
MIN-ACCESS read-only
DESCRIPTION
"Write access is not required."
OBJECT sdlcPortAdminTopology
MIN-ACCESS read-only
DESCRIPTION
"Write access is not required."
OBJECT sdlcPortAdminISTATUS
MIN-ACCESS read-only
DESCRIPTION
"Write access is not required."
OBJECT sdlcLSAddress
MIN-ACCESS read-only
DESCRIPTION
"Write access is not required."
OBJECT sdlcLSAdminName
MIN-ACCESS read-only
DESCRIPTION
"Write access is not required."
OBJECT sdlcLSAdminState
MIN-ACCESS read-only
DESCRIPTION
"Write access is not required."
OBJECT sdlcLSAdminISTATUS
MIN-ACCESS read-only
DESCRIPTION
"Write access is not required."
OBJECT sdlcLSAdminMAXDATASend
MIN-ACCESS read-only
DESCRIPTION
"Write access is not required."
OBJECT sdlcLSAdminMAXDATARcv
MIN-ACCESS read-only
DESCRIPTION
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"Write access is not required."
OBJECT sdlcLSAdminMAXIN
MIN-ACCESS read-only
DESCRIPTION
"Write access is not required."
OBJECT sdlcLSAdminMAXOUT
MIN-ACCESS read-only
DESCRIPTION
"Write access is not required."
OBJECT sdlcLSAdminMODULO
MIN-ACCESS read-only
DESCRIPTION
"Write access is not required."
OBJECT sdlcLSAdminRETRIESm
MIN-ACCESS read-only
DESCRIPTION
"Write access is not required."
OBJECT sdlcLSAdminRETRIESt
MIN-ACCESS read-only
DESCRIPTION
"Write access is not required."
OBJECT sdlcLSAdminRETRIESn
MIN-ACCESS read-only
DESCRIPTION
"Write access is not required."
OBJECT sdlcLSAdminRNRLIMIT
MIN-ACCESS read-only
DESCRIPTION
"Write access is not required."
OBJECT sdlcLSAdminDATMODE
MIN-ACCESS read-only
DESCRIPTION
"Write access is not required."
OBJECT sdlcLSAdminGPoll
MIN-ACCESS read-only
DESCRIPTION
"Write access is not required."
OBJECT sdlcLSAdminSimRim
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MIN-ACCESS read-only
DESCRIPTION
"Write access is not required."
OBJECT sdlcLSAdminRowStatus
MIN-ACCESS read-only
DESCRIPTION
"Write access is not required."
::= { sdlcCompliances 1 }
sdlcPrimaryCompliance MODULE-COMPLIANCE
STATUS current
DESCRIPTION
"The compliance statement for all nodes that
are performing the role of a Primary link
station."
MODULE
MANDATORY-GROUPS { sdlcPrimaryGroup }
OBJECT sdlcPortAdminPAUSE
MIN-ACCESS read-only
DESCRIPTION
"Write access is not required."
OBJECT sdlcLSAdminREPLYTO
MIN-ACCESS read-only
DESCRIPTION
"Write access is not required."
::= { sdlcCompliances 2 }
sdlcPrimaryMultipointCompliance MODULE-COMPLIANCE
STATUS current
DESCRIPTION
"The compliance statement for all nodes that
are performing the role of a primary link
station on a multipoint line."
MODULE
MANDATORY-GROUPS { sdlcPrimaryMultipointGroup }
OBJECT sdlcPortAdminSERVLIM
MIN-ACCESS read-only
DESCRIPTION
"Write access is not required."
OBJECT sdlcPortAdminSlowPollTimer
MIN-ACCESS read-only
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DESCRIPTION
"Write access is not required."
::= { sdlcCompliances 3 }
--
-- Core Conformance Groups for All Link Stations
--
sdlcCoreGroups OBJECT IDENTIFIER ::= { sdlcGroups 1 }
sdlcCorePortAdminGroup OBJECT-GROUP
OBJECTS
{
sdlcPortAdminName, sdlcPortAdminRole,
sdlcPortAdminType, sdlcPortAdminTopology,
sdlcPortAdminISTATUS
}
STATUS current
DESCRIPTION
"The sdlcCorePortAdminGroup defines objects
which are common to the PortAdmin group of all
compliant link stations."
::= { sdlcCoreGroups 1 }
sdlcCorePortOperGroup OBJECT-GROUP
OBJECTS
{
sdlcPortOperName, sdlcPortOperRole,
sdlcPortOperType, sdlcPortOperTopology,
sdlcPortOperISTATUS, sdlcPortOperACTIVTO,
sdlcPortOperLastFailTime, sdlcPortOperLastFailCause
}
STATUS current
DESCRIPTION
"The sdlcCorePortOperGroup defines objects
which are common to the PortOper group of all
compliant link stations."
::= { sdlcCoreGroups 2 }
sdlcCorePortStatsGroup OBJECT-GROUP
OBJECTS
{
sdlcPortStatsPhysicalFailures,
sdlcPortStatsInvalidAddresses,
sdlcPortStatsDwarfFrames
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}
STATUS current
DESCRIPTION
"The sdlcCorePortStatsGroup defines objects
which are common to the PortStats group of all
compliant link stations."
::= { sdlcCoreGroups 3 }
sdlcCoreLSAdminGroup OBJECT-GROUP
OBJECTS
{
sdlcLSAddress, sdlcLSAdminName,
sdlcLSAdminState, sdlcLSAdminISTATUS,
sdlcLSAdminMAXDATASend, sdlcLSAdminMAXDATARcv,
sdlcLSAdminMAXIN, sdlcLSAdminMAXOUT,
sdlcLSAdminMODULO, sdlcLSAdminRETRIESm,
sdlcLSAdminRETRIESt, sdlcLSAdminRETRIESn,
sdlcLSAdminRNRLIMIT, sdlcLSAdminDATMODE,
sdlcLSAdminGPoll, sdlcLSAdminSimRim,
sdlcLSAdminRowStatus
}
STATUS current
DESCRIPTION
"The sdlcCorePortAdminGroup defines objects
which are common to the PortAdmin group of all
compliant link stations."
::= { sdlcCoreGroups 4 }
sdlcCoreLSOperGroup OBJECT-GROUP
OBJECTS
{
sdlcLSOperRole, sdlcLSOperState,
sdlcLSOperMAXDATASend, sdlcLSOperMAXIN,
sdlcLSOperMAXOUT, sdlcLSOperMODULO,
sdlcLSOperRETRIESm, sdlcLSOperRETRIESt,
sdlcLSOperRETRIESn, sdlcLSOperRNRLIMIT,
sdlcLSOperDATMODE, sdlcLSOperLastFailTime,
sdlcLSOperLastFailCause, sdlcLSOperLastFailCtrlIn,
sdlcLSOperLastFailCtrlOut, sdlcLSOperLastFailFRMRInfo,
sdlcLSOperLastFailREPLYTOs, sdlcLSOperEcho,
sdlcLSOperGPoll
}
STATUS current
DESCRIPTION
"The sdlcCorePortOperGroup defines objects
which are common to the PortOper group of all
compliant link stations."
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::= { sdlcCoreGroups 5 }
sdlcCoreLSStatsGroup OBJECT-GROUP
OBJECTS
{
sdlcLSStatsBLUsIn, sdlcLSStatsBLUsOut,
sdlcLSStatsOctetsIn, sdlcLSStatsOctetsOut,
sdlcLSStatsPollsIn, sdlcLSStatsPollsOut,
sdlcLSStatsPollRspsIn, sdlcLSStatsPollRspsOut,
sdlcLSStatsLocalBusies, sdlcLSStatsRemoteBusies,
sdlcLSStatsIFramesIn, sdlcLSStatsIFramesOut,
sdlcLSStatsRetransmitsIn, sdlcLSStatsRetransmitsOut,
sdlcLSStatsUIFramesIn, sdlcLSStatsUIFramesOut,
sdlcLSStatsXIDsIn, sdlcLSStatsXIDsOut,
sdlcLSStatsTESTsIn, sdlcLSStatsTESTsOut,
sdlcLSStatsREJsIn, sdlcLSStatsREJsOut,
sdlcLSStatsFRMRsIn, sdlcLSStatsFRMRsOut,
sdlcLSStatsSIMsIn, sdlcLSStatsSIMsOut,
sdlcLSStatsRIMsIn, sdlcLSStatsRIMsOut,
sdlcLSStatsProtocolErrs, sdlcLSStatsRNRLIMITs,
sdlcLSStatsRetriesExps
}
STATUS current
DESCRIPTION
"The sdlcCorePortStatsGroup defines objects
which are common to the PortStats group of all
compliant link stations."
::= { sdlcCoreGroups 6 }
--
-- Conformance Groups for Primary Link Stations
--
sdlcPrimaryGroups OBJECT IDENTIFIER ::= { sdlcGroups 2 }
sdlcPrimaryGroup OBJECT-GROUP
OBJECTS
{
sdlcPortAdminPAUSE, sdlcPortOperPAUSE,
sdlcLSAdminREPLYTO, sdlcLSOperREPLYTO
}
STATUS current
DESCRIPTION
"The sdlcPrimaryGroup defines objects which
are common to all compliant primary link
stations."
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::= { sdlcPrimaryGroups 1 }
sdlcPrimaryMultipointGroup OBJECT-GROUP
OBJECTS
{
sdlcPortAdminSERVLIM, sdlcPortAdminSlowPollTimer,
sdlcPortOperSlowPollMethod, sdlcPortOperSERVLIM,
sdlcPortOperSlowPollTimer
}
STATUS current
DESCRIPTION
"The sdlcPrimaryMultipointGroup defines objects
which are common to all compliant primary link
stations that are in a multipoint topology."
::= { sdlcPrimaryGroups 2 }
END
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6. Acknowledgments
Thanks goes to the SNADLC MIB working group for reviewing this MIB and
for their infinite patience through the editing process.
7. References
[1] B. Stewart, "Definitions of Managed Objects for RS-232-like
Hardware Devices using SMIv2", Request for Comments 1659, July
1994.
[2] "Synchronous Data Link Control: Concepts", IBM Publication No.
GA27-3093-04, 5th edition, May 1992.
[3] "Vocabulary for Data Processing Telecommunications, and Office
Systems", IBM Publication No. GC20-1699-6.
[4] D. Kostick, Z. Kielczewski, and K. Shih "Definitions of Managed
Objects for SNA NAUs using SMIv2", Request for Comments 1666,
August 1994.
[5] S. Waldbusser, "Row creation with SNMPv1", draft-waldbusser-
v1rows-00.txt, October 19, 1993.
[6] K. McCloghrie and F. Kastenholz "Evolution of the Interfaces
Group of MIB-II", Request for Comments 1573, January 1994.
8. Glossary
link station
A link station comprises procedures and control information
that coordinate the transfer of data between two nodes joined
by a link connection. All traffic over the link connection is
from the primary link station to one or more secondary link
stations, or from a secondary link station to the primary link
station.
primary link station
The link station instance on a link connection that is respon-
sible for the control of the data link. There must be only one
primary link station on a link connection. The primary link
station issues commands to one or more secondary link stations.
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secondary link station
The link station instance on a link connection that receives
commands from the primary link station and issues responses to
it.
switched line
A telecommunications line in which the connection is esta-
blished by dialing. For switched lines, the SDLC startup
sequence typically begins with a null exchange identifier (null
XID).
leased line
A telecommunications line on which connections do not have to
be established by dialing. For leased lines, the SDLC startup
sequence may or may not begin with an exchange identifer (XID).
While there are interface (e.g. RS.232) differences between
leased and switched lines, those interface differences do not
map one-to-one with differences in the SDLC startup protocol
(i.e. the interface and the SDLC protocol are independent from
one another).
point-to-point link
A link that connects the single primary link station to single
secondary link station. A point-to-point link may be either
switched or leased.
multipoint link
A link that connects the single primary link station to several
secondary link stations. A multipoint link may be either
switched or leased. Note: The physical interface signals for a
multipoint link are different than for a point-to-point link.
Synonymous with multidrop line.
9. Security Considerations
Security issues are not discussed in this memo.
10. Author's Addresses
Jeff Hilgeman (chair)
Apertus Technologies, Inc.
7275 Flying Cloud Dr.
Eden Prarie, MN 55344
Phone: 1 612 828 0668
Email: jeffh@apertus.com
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Shannon D. Nix
Metaplex, Inc.
7412 Wingfoot Dr.
Raleigh, NC 27615
Phone: 1 919 878 0811
Email: snix@metaplex.com
Alan Bartky
Sync Research, Inc.
7 Studebaker
Irvine, CA 92718
Phone: 1 714 588 2070
Email: alan@sync.com
Wayne Clark (editor)
cisco Systems, Inc.
1525 O'Brien Dr.
Menlo Park, CA 94025
Phone: 1 919 878 6958
Email: wclark@cisco.com
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Table of Contents
1. Status of this Memo ..................................... 1
2. Abstract ................................................ 2
3. The SNMPv2 Network Management Framework ................. 2
3.1 Object Definitions .................................... 2
4. Overview ................................................ 3
4.1 Tables Defined in the SNADLC SDLC MIB ................. 3
4.2 Row Creation Mechanism ................................ 4
4.3 Relationship to the Interfaces Group .................. 4
5. Definitions ............................................. 7
5.1 Port Administrative Table ............................. 9
5.2 Port Operational Table ................................ 14
5.3 Port Statistics Table ................................. 19
5.4 Link Station Administrative Table ..................... 25
5.5 Link Station Operational Table ........................ 34
5.6 Link Station Statistics Table ......................... 43
5.7 Trap Definitions ...................................... 55
5.8 Compliance Statements ................................. 56
6. Acknowledgments ......................................... 64
7. References .............................................. 64
8. Glossary ................................................ 64
9. Security Considerations ................................. 65
10. Author's Addresses ...................................... 65
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