SNA-SDLC-MIB DEFINITIONS ::= BEGIN

IMPORTS

    MODULE-IDENTITY, OBJECT-TYPE, NOTIFICATION-TYPE,

    Counter32, Integer32, TimeTicks

        FROM SNMPv2-SMI

    DisplayString, RowStatus, TimeInterval

        FROM SNMPv2-TC

    MODULE-COMPLIANCE, OBJECT-GROUP

        FROM SNMPv2-CONF

    mib-2, ifIndex, ifAdminStatus, ifOperStatus

        FROM RFC1213-MIB;

snaDLC MODULE-IDENTITY

        LAST-UPDATED  "9411150000Z"

        ORGANIZATION  "IETF SNA DLC MIB Working Group"

        CONTACT-INFO

                "        Wayne Clark

                 Postal: cisco Systems, Inc.

                         3100 Smoketree Ct.

                         Suite 1000

                         Raleigh, NC 27604

                         US

                    Tel: +1 919 878 6958

                 E-Mail: wclark@cisco.com"

        DESCRIPTION

                "This is the MIB module for objects used to

                 manage SDLC devices."

::= { mib-2 41 }

--

--  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

--        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,

        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."

                    ::= { 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)

                    }

                    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

                        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

                            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

}

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

                        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 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

                        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

                         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

                    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."

                    ::= { 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

                         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."

                    ::= { 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

                         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

                         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