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-- MIB created 5/06/99 21:05:41, by-- SMIC (the next generation) version 1.6.29, November 22, 1994.

SNA-LLC-MIB DEFINITIONS ::= BEGIN

-- From file: "llc.mi2"-- Compile options "W G A T M"

IMPORTS experimental, Counter32, Integer32, TimeTicks FROM SNMPv2-SMI-v1 OBJECT-TYPE FROM RFC-1212 TRAP-TYPE FROM RFC-1215 DisplayString, RowStatus FROM SNMPv2-TC-v1 ifIndex FROM RFC1213-MIB;

snaDLCexp OBJECT IDENTIFIER ::= { experimental 51 }-- MODULE-IDENTITY-- LastUpdated-- 9410200000Z

-- OrgName-- IETF SNA DLC MIB Working Group-- ContactInfo---- Shannon D. Nix-- Metaplex, Inc.-- 7412 Wingfoot Dr.-- Raleigh, NC 27615-- snix@metaplex.com---- Wayne Clark (editor)-- cisco Systems, Inc.-- 3100 Smoketree Ct.

-- Suite 1000-- Raleigh, NC 27604-- wclark@cisco.com-- Descr-- This is the MIB module for objects used to-- manage LLC devices.

llc OBJECT IDENTIFIER ::= { snaDLCexp 1 }llcPortGroup OBJECT IDENTIFIER ::= { llc 1 }llcSapGroup OBJECT IDENTIFIER ::= { llc 2 }llcCcGroup OBJECT IDENTIFIER ::= { llc 3 }llcTraps OBJECT IDENTIFIER ::= { llc 4 }llcConformance OBJECT IDENTIFIER ::= { llc 5 }

llcCompliances OBJECT IDENTIFIER ::= { llcConformance 1 }llcGroups OBJECT IDENTIFIER ::= { llcConformance 2 }llcCoreGroups OBJECT IDENTIFIER ::= { llcGroups 1 }

llcPortAdminTable OBJECT-TYPE SYNTAX SEQUENCE OF LlcPortAdminEntry ACCESS not-accessible STATUS mandatory DESCRIPTION "This table contains objects that can be

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changed to manage an LLC 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 llcPortOperTable 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." ::= { llcPortGroup 1 }

llcPortAdminEntry OBJECT-TYPE SYNTAX LlcPortAdminEntry ACCESS not-accessible STATUS mandatory DESCRIPTION "A list of configured values for an LLC port." INDEX { ifIndex }

::= { llcPortAdminTable 1 }

LlcPortAdminEntry ::= SEQUENCE { llcPortAdminName DisplayString, llcPortAdminState INTEGER, llcPortAdminMaxIPDUOctetsSend Integer32, llcPortAdminMaxIPDUOctetsRcv Integer32, llcPortAdminMaxUnackedIPDUsSend INTEGER, llcPortAdminMaxUnackedIPDUsRcv INTEGER, llcPortAdminMaxRetransmits INTEGER, llcPortAdminAckTimer TimeTicks, llcPortAdminPbitTimer TimeTicks, llcPortAdminRejTimer TimeTicks,

llcPortAdminBusyTimer TimeTicks, llcPortAdminInactTimer TimeTicks, llcPortAdminDelayAckCount INTEGER, llcPortAdminDelayAckTimer TimeTicks, llcPortAdminSimRim INTEGER }

llcPortAdminName OBJECT-TYPE SYNTAX DisplayString(SIZE(1..10))-- Rsyntax OCTET STRING(SIZE(1..10)) ACCESS read-write STATUS mandatory 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

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shall not take effect until the port is cycled inactive." ::= { llcPortAdminEntry 1 }

llcPortAdminState OBJECT-TYPE SYNTAX INTEGER { disabled(1), enabled(2) } ACCESS read-write STATUS mandatory DESCRIPTION "This parameter controls the desired state of the LLC protocol for this interface." DEFVAL { enabled } ::= { llcPortAdminEntry 2 }

llcPortAdminMaxIPDUOctetsSend OBJECT-TYPE SYNTAX Integer32 ACCESS read-write STATUS mandatory DESCRIPTION "This object denotes the default maximum I PDU size, in octets, that LLCs on this port may

send to their remote LLC partners. This count is referred to as 'N1' in the IEEE 802.2 specification [??].

This port default value may be overridden by a non-zero SAP default value in the llcSapAdminMaxIPDUOctetsSend object or by a non-zero value in the llcCcAdminMaxIPDUOctetsSend object.

At connection setup, the remote LLC may send, using an XID frame, the maximum I PDU size which it is prepared to receive. If so, an

implementation may choose to override the administered maximum PDU size with the dynamically learned value and should reflect this in the llcCcOperMaxIPDUOctetsSend object for the connection component.

The I PDU size includes all octets in a frame, excluding framing characters, the MAC header and link link header." ::= { llcPortAdminEntry 3 }

llcPortAdminMaxIPDUOctetsRcv OBJECT-TYPE SYNTAX Integer32

ACCESS read-write STATUS mandatory DESCRIPTION "This object denotes the default maximum I PDU size, in octets, that LLCs on this port can expect to receive from their remote LLC partners. This count is referred to as 'N1' in the IEEE 802.2 specification [??]

This port default value may be overridden by a non-zero SAP default value in the

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llcSapAdminMaxIPDUOctetsRcv object or by a non-zero value in the llcCcAdminMaxIPDUOctetsRcvd object.

At connection setup, an implementation may choose to send this value to the remote LLC, using an XID frame.

The I PDU size includes all octets in a frame with the exception of the framing characters, the MAC header and the link header." ::= { llcPortAdminEntry 4 }

llcPortAdminMaxUnackedIPDUsSend OBJECT-TYPE SYNTAX INTEGER(1..127) ACCESS read-write STATUS mandatory DESCRIPTION "This object denotes the default maximum consequetive unacknowledged I PDU frames that LLCs on this port may send to their remote LLC partners. This count is referred to as 'k' in the IEEE 802.2 specification [??].

This port default value may be overridden by a

non-zero SAP default value in the llcSapAdminMaxUnackedIPDUsSend object or by a non-zero value in the llcCcAdminMaxUnackedIPDUsSend object.

At connection setup, the remote LLC may send, using an XID frame, the maximum number of unacknowledged I PDUs which it is prepared to receive. If so, an implementation may choose to override the administered maximum number of unacknowledged PDUs with the dynamicly learned value and should reflect this in the llcCcOperMaxUnackedIPDUsSend object for the

connection component." DEFVAL { 1 } ::= { llcPortAdminEntry 5 }

llcPortAdminMaxUnackedIPDUsRcv OBJECT-TYPE SYNTAX INTEGER(1..127) ACCESS read-write STATUS mandatory DESCRIPTION "This object denotes the default maximum number of unacknowledged I PDUs that LLCs on this port can expect to receive from their remote LLC partners. This count is referred to as 'k' in

the IEEE 802.2 specification [??].

This port default value may be overridden by a non-zero SAP default value in the llcSapAdminMaxUnackedIPDUsRcv object or by a non-zero value in the llcCcAdminMaxUnackedIPDUsRcvd object.

At connection setup, an implementation may choose to send this value to the remote LLC,

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using an XID frame." DEFVAL { 1 } ::= { llcPortAdminEntry 6 }

llcPortAdminMaxRetransmits OBJECT-TYPE SYNTAX INTEGER ACCESS read-write STATUS mandatory DESCRIPTION "This object denotes the default value for the maximum number of times which LLCs on this port shall retry a PDU following the expiration of the acknowledgement timer, the P-bit timer or the reject timer. When these retries are exhausted, the link shall be declared inactive. This count is referred to as 'N2' in the IEEE 802.2 specification [??].

This port default value may be overridden by a non-zero SAP default value in the llcSapAdminMaxretransmits object or by a non-zero value in the llcCcAdminMaxRetransmits object." DEFVAL { 2 }

::= { llcPortAdminEntry 7 }

llcPortAdminAckTimer OBJECT-TYPE SYNTAX TimeTicks ACCESS read-write STATUS mandatory DESCRIPTION "This object denotes the default value for the time interval during which the LLCs on this port shall expect to receive either:

1) an acknowledgement to one or more outstanding I PDUs. or 2) a response PDU to an unnumbered

command PDU.The expiration of this timer shall cause the

frame unacknowledged frames to be retransmitted (up to N2 times).

alue in the llcSapAdminAckTimer object or by a non-zero value in the llcCcAdminAckTimer object." DEFVAL { 1 } ::= { llcPortAdminEntry 8 }

llcPortAdminPbitTimer OBJECT-TYPE

SYNTAX TimeTicks ACCESS read-write STATUS mandatory DESCRIPTION "This object denotes the default value for the time interval during which the LLCs on this port shall expect to receive a PDU with the F bit set to '1' in response to a Type 2 command with the P bit set to '1'.

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remote LLC. This function is not described in the IEEE 802.2 specification [??] but is widely implemented.

The expiration of this timer shall cause the local LLC to send a PDU to the remote LLC with the P bit set to '1'.

This port default value may be overridden by a non-zero SAP default value in the llcSapAdminInactTimer object or by a non-zero value in the llcCcAdminInactTimer object.

Any value for this object less than or equal to the acknowledgement timer shall mean that the timer is not used." DEFVAL { 1 } ::= { llcPortAdminEntry 12 }

llcPortAdminDelayAckCount OBJECT-TYPE SYNTAX INTEGER ACCESS read-write STATUS mandatory DESCRIPTION

"This object denotes the default value for the maximum number of consequetive I PDUs which the LLCs on this port shall receive during the interval defined by llcCcOperDelayTimertime without sending an immediate acknowledgement. This must be less than or equal to the value of llcCcOperMaxUnackIPDURcv. This function is not described in the IEEE 802.2 specification [??] but is widely implemented.

This port default value may be overridden by a non-zero SAP default value in the llcSapAdminDelayAckCount object or by a

non-zero value in the llcCcAdminDelayCount object.

A value of one indicates that acknowledgments will be sent immediately and that the value of llcPortAdminDelayAckTimer shall be ignored." DEFVAL { 1 } ::= { llcPortAdminEntry 13 }

llcPortAdminDelayAckTimer OBJECT-TYPE SYNTAX TimeTicks ACCESS read-write STATUS mandatory

DESCRIPTION "This object denotes the default value for the time interval during which the LLCs on this port shall delay acknowledgment of one or more I PDUs (up to the value of llcCcOperDelayAckCount). This function is not described in the IEEE 802.2 specification [??] but is widely implemented.

The expiration of this timer shall cause the

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::= { llcPortOperEntry 1 }

llcPortOperISTATUS OBJECT-TYPE SYNTAX INTEGER { inactive(1), active(2) } ACCESS read-only STATUS mandatory DESCRIPTION "This parameter describes the initial value of the administrative status, ifAdminStatus, of this LLC port at last port start-up." ::= { llcPortOperEntry 2 }

llcPortOperLastModifyTime OBJECT-TYPE SYNTAX TimeTicks ACCESS read-only STATUS mandatory 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."

::= { llcPortOperEntry 3 }

llcPortOperLastFailTime OBJECT-TYPE SYNTAX TimeTicks ACCESS read-only STATUS mandatory DESCRIPTION "This object describes the value of sysUpTime when this LLC port last failed. If the port has not failed, then this value shall be zero." ::= { llcPortOperEntry 4 }

llcPortOperLastFailCause OBJECT-TYPE

SYNTAX INTEGER { undefined(1), physical(2) } ACCESS read-only STATUS mandatory DESCRIPTION "This enumerated object describes the cause of the last failure of this LLC port. If the port has not failed, then this object has a value of undefined(1)." DEFVAL { undefined } ::= { llcPortOperEntry 5 }

llcPortStatsTable OBJECT-TYPE SYNTAX SEQUENCE OF LlcPortStatsEntry ACCESS not-accessible STATUS mandatory DESCRIPTION "Each entry in this table contains statistics for a specific LLC port." ::= { llcPortGroup 3 }

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llcPortStatsEntry OBJECT-TYPE SYNTAX LlcPortStatsEntry ACCESS not-accessible STATUS mandatory DESCRIPTION "A list of statistics for an LLC port." INDEX { ifIndex } ::= { llcPortStatsTable 1 }

LlcPortStatsEntry ::= SEQUENCE { llcPortStatsPhysicalFailures Counter32, llcPortStatsPollsIn Counter32, llcPortStatsPollsOut Counter32, llcPortStatsPollRspsIn Counter32, llcPortStatsPollRspsOut Counter32, llcPortStatsLocalBusies Counter32, llcPortStatsRemoteBusies Counter32, llcPortStatsIFramesIn Counter32, llcPortStatsIFramesOut Counter32, llcPortStatsOctetsIn Counter32, llcPortStatsOctetsOut Counter32, llcPortStatsProtocolErrs Counter32, llcPortStatsActivityTOs Counter32, llcPortStatsRetriesExps Counter32,

llcPortStatsRetransmitsIn Counter32, llcPortStatsRetransmitsOut Counter32 }

llcPortStatsPhysicalFailures OBJECT-TYPE SYNTAX Counter32 ACCESS read-only STATUS mandatory 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."

::= { llcPortStatsEntry 1 }

llcPortStatsPollsIn OBJECT-TYPE SYNTAX Counter32 ACCESS read-only STATUS mandatory DESCRIPTION "This object reflects the total number of polls received by this port since the port was created." ::= { llcPortStatsEntry 2 }

llcPortStatsPollsOut OBJECT-TYPE

SYNTAX Counter32 ACCESS read-only STATUS mandatory DESCRIPTION "This object reflects the total number of polls sent by this port since the port was created." ::= { llcPortStatsEntry 3 }

llcPortStatsPollRspsIn OBJECT-TYPE SYNTAX Counter32

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ACCESS read-only STATUS mandatory DESCRIPTION "This object reflects the total number of poll responses received by this port since the port was created." ::= { llcPortStatsEntry 4 }

llcPortStatsPollRspsOut OBJECT-TYPE SYNTAX Counter32 ACCESS read-only STATUS mandatory DESCRIPTION "This object reflects the total number of poll responses sent by this port since the port was created." ::= { llcPortStatsEntry 5 }

llcPortStatsLocalBusies OBJECT-TYPE SYNTAX Counter32 ACCESS read-only STATUS mandatory DESCRIPTION "This object reflects the total number of

times that the local link stations on this port have entered a busy state (RNR). This object is initialized to zero when the port is created." ::= { llcPortStatsEntry 6 }

llcPortStatsRemoteBusies OBJECT-TYPE SYNTAX Counter32 ACCESS read-only STATUS mandatory DESCRIPTION "This object reflects the total number of times that the adjacent (i.e. remote) link

stations on this port have entered a busy state (RNR). This object is initialized to zero when the port is created." ::= { llcPortStatsEntry 7 }

llcPortStatsIFramesIn OBJECT-TYPE SYNTAX Counter32 ACCESS read-only STATUS mandatory DESCRIPTION "This object reflects the total number of I-Frames that have been received by link stations on this port. This object is

initialized to zero when the port is created." ::= { llcPortStatsEntry 8 }

llcPortStatsIFramesOut OBJECT-TYPE SYNTAX Counter32 ACCESS read-only STATUS mandatory DESCRIPTION "This object reflects the total number of I-Frames that have been transmitted by link

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stations on this port. This object is initialized to zero when the port is created." ::= { llcPortStatsEntry 9 }

llcPortStatsOctetsIn OBJECT-TYPE SYNTAX Counter32 ACCESS read-only STATUS mandatory DESCRIPTION "This object reflects the total octets received from adjacent 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." ::= { llcPortStatsEntry 10 }

llcPortStatsOctetsOut OBJECT-TYPE SYNTAX Counter32 ACCESS read-only STATUS mandatory DESCRIPTION "This object reflects the total octets transmitted to adjacent 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." ::= { llcPortStatsEntry 11 }

llcPortStatsProtocolErrs OBJECT-TYPE SYNTAX Counter32 ACCESS read-only STATUS mandatory DESCRIPTION "This object reflects the total number of times that the 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." ::= { llcPortStatsEntry 12 }

llcPortStatsActivityTOs OBJECT-TYPE SYNTAX Counter32 ACCESS read-only STATUS mandatory DESCRIPTION "This object reflects the total number of times that the 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." ::= { llcPortStatsEntry 13 }

llcPortStatsRetriesExps OBJECT-TYPE SYNTAX Counter32 ACCESS read-only STATUS mandatory DESCRIPTION

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"This object reflects the total number of times that the 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." ::= { llcPortStatsEntry 14 }

llcPortStatsRetransmitsIn OBJECT-TYPE SYNTAX Counter32 ACCESS read-only STATUS mandatory DESCRIPTION "This object reflects the total number of I-Frames retransmitted by remote link stations for all link stations on this port. This object is initialized to zero when the port is created." ::= { llcPortStatsEntry 15 }

llcPortStatsRetransmitsOut OBJECT-TYPE SYNTAX Counter32 ACCESS read-only STATUS mandatory

DESCRIPTION "This object reflects the total number of I-Frames retransmitted by all local link stations on this port. This object is initialized to zero when the port is created." ::= { llcPortStatsEntry 16 }

llcSapAdminTable OBJECT-TYPE SYNTAX SEQUENCE OF LlcSapAdminEntry ACCESS not-accessible STATUS mandatory DESCRIPTION "This table contains objects that can be

changed to manage a local SAP. Changing one of these parameters may take effect in the operating SAP 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 llcSapOperTable 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." ::= { llcSapGroup 1 }

llcSapAdminEntry OBJECT-TYPE SYNTAX LlcSapAdminEntry ACCESS not-accessible STATUS mandatory DESCRIPTION "A list of configured values for a local SAP."

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INDEX { ifIndex, llcSapNumber } ::= { llcSapAdminTable 1 }

LlcSapAdminEntry ::= SEQUENCE { llcSapNumber INTEGER, llcSapAdminState INTEGER, llcSapAdminMaxIPDUOctetsSend Integer32, llcSapAdminMaxIPDUOctetsRcv Integer32, llcSapAdminMaxUnackedIPDUsSend INTEGER, llcSapAdminMaxUnackedIPDUsRcv INTEGER, llcSapAdminMaxRetransmits INTEGER, llcSapAdminAckTimer TimeTicks, llcSapAdminPbitTimer TimeTicks, llcSapAdminRejTimer TimeTicks, llcSapAdminBusyTimer TimeTicks, llcSapAdminInactTimer TimeTicks, llcSapAdminDelayAckCount INTEGER, llcSapAdminDelayAckTimer TimeTicks }

llcSapNumber OBJECT-TYPE SYNTAX INTEGER(1..255) ACCESS read-write STATUS mandatory

DESCRIPTION "The address of this local SAP." ::= { llcSapAdminEntry 1 }

llcSapAdminState OBJECT-TYPE SYNTAX INTEGER { disabled(1), enabled(2) } ACCESS read-write STATUS mandatory DESCRIPTION "This parameter controls the desired state of

this local SAP." DEFVAL { enabled } ::= { llcSapAdminEntry 2 }

llcSapAdminMaxIPDUOctetsSend OBJECT-TYPE SYNTAX Integer32 ACCESS read-write STATUS mandatory DESCRIPTION "This object denotes the default maximum I PDU size, in octets, that LLCs on this SAP may send to their remote connection component partners. This count is referred to as 'N1' in the IEEE

802.2 specification [??].

A zero value for this object indicates that the port default, llcPortAdminMaxIPDUOctetsSend, shall be used as the SAP default. This SAP default value may be overridden by a non-zero value in the llcCcAdminMaxIPDUOctetsSend object.

At connection setup, the remote LLC may send,

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using an XID frame, the maximum I PDU size which it is prepared to receive. If so, an implementation may choose to override the administered maximum PDU size with the dynamically learned value and should reflect this in the llcCcOperMaxIPDUOctetsSend object for the connection component.

The I PDU size includes all octets in a frame, excluding framing characters, the MAC header and link link header." DEFVAL { 0 } ::= { llcSapAdminEntry 3 }

llcSapAdminMaxIPDUOctetsRcv OBJECT-TYPE SYNTAX Integer32 ACCESS read-write STATUS mandatory DESCRIPTION "This object denotes the default maximum I PDU size, in octets, that LLCs on this SAP can expect to receive from their remote LLC partners. This count is referred to as 'N1' in the IEEE 802.2 specification [??]

A zero value for this object indicates that the port default, llcPortAdminMaxIPDUOctetsRcv, shall be used as the SAP default. This SAP default value may be overridden by a non-zero value in the llcCcAdminMaxIPDUOctetsRcv object.

At connection setup, an implementation may choose to send this value to the remote LLC, using an XID frame.

The I PDU size includes all octets in a frame

with the exception of the framing characters, the MAC header and the link header." DEFVAL { 0 } ::= { llcSapAdminEntry 4 }

llcSapAdminMaxUnackedIPDUsSend OBJECT-TYPE SYNTAX INTEGER(1..127) ACCESS read-write STATUS mandatory DESCRIPTION "This object denotes the default maximum consequetive unacknowledged I PDU frames that LLCs on this SAP may send to their remote LLC

partners. This count is referred to as 'k' in the IEEE 802.2 specification [??].

A zero value for this object indicates that the port default, llcPortAdminMaxUnackedIPDUsSend, shall be used as the SAP default. This SAP default value may be overridden by a non-zero value in the llcCcAdminMaxUnackedIPDUsSend object.

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At connection setup, the remote LLC may send, using an XID frame, the maximum number of unacknowledged I PDUs which it is prepared to receive. If so, an implementation may choose to override the administered maximum number of unacknowledged PDUs with the dynamicly learned value and should reflect this in the llcCcOperMaxUnackedIPDUsSend object for the connection component." ::= { llcSapAdminEntry 5 }

llcSapAdminMaxUnackedIPDUsRcv OBJECT-TYPE SYNTAX INTEGER(1..127) ACCESS read-write STATUS mandatory DESCRIPTION "This object denotes the default maximum number of unacknowledged I PDUs that LLCs on this SAP can expect to receive from their remote LLC partners. This count is referred to as 'k' in the IEEE 802.2 specification [??].

A zero value for this object indicates that the port default, llcPortAdminMaxUnackedIPDUsRcv,

shall be used as the SAP default. This SAP default value may be overridden by a non-zero value in the llcCcAdminMaxUnackedIPDUsRcv object.

At connection setup, an implementation may choose to send this value to the remote LLC, using an XID frame." ::= { llcSapAdminEntry 6 }

llcSapAdminMaxRetransmits OBJECT-TYPE SYNTAX INTEGER ACCESS read-write

STATUS mandatory DESCRIPTION "This object denotes the default value for the maximum number of times that LLCs on this SAP shall retry PDUs following the expiration of the acknowledgement timer, the P-bit timer or the reject timer. When these retries are exhausted, thelink shall be declared inactive. This count is referred to as 'N2' in the IEEE 802.2 specification [??].

A zero value for this object indicates that the port default, llcPortAdminMaxRetransmits, shall

be used as the SAP default. This SAP default value may be overridden by a non-zero value in the llcCcAdminMaxRetransmits." DEFVAL { 0 } ::= { llcSapAdminEntry 7 }

llcSapAdminAckTimer OBJECT-TYPE SYNTAX TimeTicks ACCESS read-write STATUS mandatory

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DESCRIPTION "This object denotes the default value for the time interval during which the LLCs on this SAP shall expect to receive either:

1) an acknowledgement to one or more outstanding I PDUs. or 2) a response PDU to an unnumbered command PDU.

The expiration of this timer shall cause the frame unacknowledged frames to be retransmitted (up to N2 times).

A zero value for this object indicates that the port default, llcPortAdminAckTimer, shall be used as the SAP default. This SAP default value may be overridden by a non-zero value in the llcCcAdminAckTimer." DEFVAL { 0 } ::= { llcSapAdminEntry 8 }

llcSapAdminPbitTimer OBJECT-TYPE SYNTAX TimeTicks ACCESS read-write

STATUS mandatory DESCRIPTION "This object denotes the default value for the time interval during which the LLCs on this port shall expect to receive a PDU with the F bit set to '1' in response to a Type 2 command with the P bit set to '1'.

The expiration of this timer shall cause the REJ PDU to be retransmitted (up to N2 times).

A zero value for this object indicates that the port default, llcPortAdminPbitTimer, shall be

used as the SAP default. This SAP default value may be overridden by a non-zero value in the llcCcAdminPbitTimer." DEFVAL { 0 } ::= { llcSapAdminEntry 9 }

llcSapAdminRejTimer OBJECT-TYPE SYNTAX TimeTicks ACCESS read-write STATUS mandatory DESCRIPTION "This object denotes the default value for the time interval during which the LLCs on this SAP

shall expect to receive a reply to a REJ PDU.

The expiration of this timer shall cause the REJ PDU to be retransmitted (up to N2 times).

A zero value for this object indicates that the port default, llcPortAdminRejTimer, shall be used as the SAP default. This SAP default value may be overridden by a non-zero value in the llcCcAdminRejTimer."

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DEFVAL { 0 } ::= { llcSapAdminEntry 10 }

llcSapAdminBusyTimer OBJECT-TYPE SYNTAX TimeTicks ACCESS read-write STATUS mandatory DESCRIPTION "This object denotes the default value for the time interval during which the LLCs on this SAP shall expect to receive an indication that a busy condition at the remote LLC has cleared.

The expiration of this timer shall cause the link to be declared inactive.

A zero value for this object indicates that the port default, llcPortAdminBusyTimer, shall be used as the SAP default. This SAP default value may be overridden by a non-zero value in the llcCcAdminBusyTimer." DEFVAL { 0 } ::= { llcSapAdminEntry 11 }

llcSapAdminInactTimer OBJECT-TYPE SYNTAX TimeTicks ACCESS read-write STATUS mandatory DESCRIPTION "This object denotes the default value for the time interval during which the LLCs on this SAP shall expect to receive any PDU from the remote LLC. This function is not described in the IEEE 802.2 specification [??] but is widely implemented.

The expiration of this timer shall cause the

local LLC to send a PDU to the remote LLC with the P bit set to '1'.

A zero value for this object indicates that the port default, llcPortAdminInactTimer, shall be used as the SAP default. This SAP default value may be overridden by a non-zero value in the llcCcAdminInactTimer.

Any value for this object less than or equal to the acknowledgement timer shall mean that the timer is not used." DEFVAL { 0 }

::= { llcSapAdminEntry 12 }

llcSapAdminDelayAckCount OBJECT-TYPE SYNTAX INTEGER ACCESS read-write STATUS mandatory DESCRIPTION "This object denotes the default value for the maximum number of consequetive I PDUs which the LLCs on this SAP shall receive during the

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interval defined by llcCcOperDelayTimer without sending an immediate acknowledgement. This must be less than or equal to the value of llcCcOperMaxUnackIPDURcv. This function is not described in the IEEE 802.2 specification [??] but is widely implemented.

A zero value for this object indicates that the port default, llcPortAdminDelayAck, shall be used as the SAP default. This SAP default value may be overridden by a non-zero value in the llcCcAdminDelayAckCount.

A value of one indicates that acknowledgments will be sent immediately and that the value of llcSapAdminDelayAckTimer shall be ignored." DEFVAL { 0 } ::= { llcSapAdminEntry 13 }

llcSapAdminDelayAckTimer OBJECT-TYPE SYNTAX TimeTicks ACCESS read-write STATUS mandatory DESCRIPTION

"This object denotes the default value for the time interval during which the LLCs on this SAP shall delay acknowledgment of one or more I PDUs (up to the value of llcCcOperDelayAckCount). This function is not described in the IEEE 802.2 specification [??] but is widely implemented.

The expiration of this timer shall cause the local LLC to acknowledge all unacknowledged I PDUs.

This object is associated with the

llcSapAdminDelayAckCount object and is only defined if that object has a value greater than one." DEFVAL { 0 } ::= { llcSapAdminEntry 14 }

llcSapOperTable OBJECT-TYPE SYNTAX SEQUENCE OF LlcSapOperEntry ACCESS not-accessible STATUS mandatory DESCRIPTION "This table contains objects that reflect the current operational parameters of a local SAP.

Many of these objects in this table have

corresponding objects in the llcSapAdminTable." ::= { llcSapGroup 2 }

llcSapOperEntry OBJECT-TYPE SYNTAX LlcSapOperEntry ACCESS not-accessible STATUS mandatory DESCRIPTION

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"A list of configured values for a local SAP." INDEX { ifIndex, llcSapNumber } ::= { llcSapOperTable 1 }

LlcSapOperEntry ::= SEQUENCE { llcSapOperStatus INTEGER }

llcSapOperStatus OBJECT-TYPE SYNTAX INTEGER { inactive(1), active(2) } ACCESS read-only STATUS mandatory DESCRIPTION "This parameter describes the actual state of this local SAP." ::= { llcSapOperEntry 1 }

llcSapStatsTable OBJECT-TYPE SYNTAX SEQUENCE OF LlcSapStatsEntry ACCESS not-accessible STATUS mandatory

DESCRIPTION "This table contains objects that reflect the current operational parameters of a local SAP.

Many of these objects in this table have corresponding objects in the llcSapAdminTable." ::= { llcSapGroup 3 }

llcSapStatsEntry OBJECT-TYPE SYNTAX LlcSapStatsEntry ACCESS not-accessible STATUS mandatory DESCRIPTION

"A list of configured values for a local SAP." INDEX { ifIndex, llcSapNumber } ::= { llcSapStatsTable 1 }

LlcSapStatsEntry ::= SEQUENCE { llcSapStatsTESTsIn Counter32, llcSapStatsTESTsOut Counter32, llcSapStatsXIDsIn Counter32, llcSapStatsXIDsOut Counter32, llcSapStatsUIFramesIn Counter32, llcSapStatsUIFramesOut Counter32 }

llcSapStatsTESTsIn OBJECT-TYPE SYNTAX Counter32 ACCESS read-only STATUS mandatory DESCRIPTION "This object reflects the total number of TEST frames (both commands and responses) received on a local SAP." ::= { llcSapStatsEntry 1 }

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llcSapStatsTESTsOut OBJECT-TYPE SYNTAX Counter32 ACCESS read-only STATUS mandatory DESCRIPTION "This object reflects the total number of TEST frames (both commands and responses) sent on a local SAP." ::= { llcSapStatsEntry 2 }

llcSapStatsXIDsIn OBJECT-TYPE SYNTAX Counter32 ACCESS read-only STATUS mandatory DESCRIPTION "This object reflects the total number of XID frames (both commands and responses) received on a local SAP." ::= { llcSapStatsEntry 3 }

llcSapStatsXIDsOut OBJECT-TYPE SYNTAX Counter32 ACCESS read-only STATUS mandatory

DESCRIPTION "This object reflects the total number of XID frames (both commands and responses) sent on a local SAP." ::= { llcSapStatsEntry 4 }

llcSapStatsUIFramesIn OBJECT-TYPE SYNTAX Counter32 ACCESS read-only STATUS mandatory DESCRIPTION "This object reflects the total number of unnumbered information (UI) frames received on

a local SAP." ::= { llcSapStatsEntry 5 }

llcSapStatsUIFramesOut OBJECT-TYPE SYNTAX Counter32 ACCESS read-only STATUS mandatory DESCRIPTION "This object reflects the total number of unnumbered information (UI) frames sent on a local SAP." ::= { llcSapStatsEntry 6 }

llcCcAdminTable OBJECT-TYPE SYNTAX SEQUENCE OF LlcCcAdminEntry ACCESS not-accessible STATUS mandatory DESCRIPTION "This table contains objects that can be changed to manage an LLC 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

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the details of the implementation.

The entries in llcCcAdminTable can be created either by an agent or a management station. The management station can create an entry in llcCcAdminTable by setting the appropriate value in llcCcAdminRowStatus.

Most of the objects in this read-create table have corresponding read-only objects in the llcCcOperTable 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." ::= { llcCcGroup 1 }

llcCcAdminEntry OBJECT-TYPE SYNTAX LlcCcAdminEntry ACCESS not-accessible STATUS mandatory DESCRIPTION

"A list of configured values for an LLC link station." INDEX { ifIndex, llcCcLSap, llcCcRSap, llcCcRMac, llcCcLMac } ::= { llcCcAdminTable 1 }

LlcCcAdminEntry ::= SEQUENCE { llcCcLSap INTEGER, llcCcRSap INTEGER, llcCcLMac OCTET STRING, llcCcRMac OCTET STRING, llcCcAdminState INTEGER, llcCcAdminMaxIPDUOctetsSend Integer32, llcCcAdminMaxIPDUOctetsRcv Integer32,

llcCcAdminMaxUnackedIPDUsSend INTEGER, llcCcAdminMaxUnackedIPDUsRcv INTEGER, llcCcAdminMaxRetransmits INTEGER, llcCcAdminAckTimer TimeTicks, llcCcAdminPbitTimer TimeTicks, llcCcAdminRejTimer TimeTicks, llcCcAdminBusyTimer TimeTicks, llcCcAdminInactTimer TimeTicks, llcCcAdminDelayAckCount INTEGER, llcCcAdminDelayAckTimer TimeTicks, llcCcAdminRowStatus RowStatus }

llcCcLSap OBJECT-TYPE SYNTAX INTEGER(1..255) ACCESS read-write STATUS mandatory DESCRIPTION "This value is the address of the local SAP for this Connection Component." ::= { llcCcAdminEntry 1 }

llcCcRSap OBJECT-TYPE

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SYNTAX INTEGER(1..255) ACCESS read-write STATUS mandatory DESCRIPTION "This value is the address of the remote SAP for this Connection Component." ::= { llcCcAdminEntry 2 }

llcCcLMac OBJECT-TYPE SYNTAX OCTET STRING(SIZE(6)) ACCESS read-write STATUS mandatory DESCRIPTION "This value is the local MAC address for this Connection Component." ::= { llcCcAdminEntry 3 }

llcCcRMac OBJECT-TYPE SYNTAX OCTET STRING(SIZE(6)) ACCESS read-write STATUS mandatory DESCRIPTION "This value is the remote MAC address for this Connection Component."

::= { llcCcAdminEntry 4 }

llcCcAdminState OBJECT-TYPE SYNTAX INTEGER { disabled(1), enabled(2) } ACCESS read-write STATUS mandatory DESCRIPTION "This object controls the desired state of the LLC connection. The managed system shall attempt to keep the operational state, llcCcOperState,

consistent with this value." DEFVAL { enabled } ::= { llcCcAdminEntry 5 }

llcCcAdminMaxIPDUOctetsSend OBJECT-TYPE SYNTAX Integer32 ACCESS read-write STATUS mandatory DESCRIPTION "This object denotes the maximum I PDU size, in octets, that this LLC SAP may send to its remote connection component partner. This count is referred to as 'N1' in the IEEE 802.2

specification [??].

This object contains an administrative value which will be applied the next time this connection is established. A zero value for this object indicates that the SAP default, llcSapAdminMaxIPDUOctetsSend, shall be used.

At connection setup, the remote LLC may send, using an XID frame, the maximum I PDU size

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which it is prepared to receive. If so, an implementation may choose to override the administered maximum PDU size with the dynamically learned value and should reflect this in the llcCcOperMaxIPDUOctetsSend object for the connection component.

The I PDU size includes all octets in a frame, excluding framing characters, the MAC header and link link header." DEFVAL { 0 } ::= { llcCcAdminEntry 6 }

llcCcAdminMaxIPDUOctetsRcv OBJECT-TYPE SYNTAX Integer32 ACCESS read-write STATUS mandatory DESCRIPTION "This object denotes the maximum I PDU size,in octets, that this LLC can expect to receive from its remote LLC partner. This count is referred to as 'N1' in the IEEE 802.2 specification [??]

This object contains an administrative value which will be applied the next time this connection is established. A zero value for this object indicates that the SAP default, llcSapAdminMaxIPDUOctetsRcv, shall be used.

At connection setup, an implementation may choose to send this value to the remote LLC, using an XID frame.

The I PDU size includes all octets in a frame with the exception of the framing characters, the MAC header and the link header."

DEFVAL { 0 } ::= { llcCcAdminEntry 7 }

llcCcAdminMaxUnackedIPDUsSend OBJECT-TYPE SYNTAX INTEGER(1..127) ACCESS read-write STATUS mandatory DESCRIPTION "This object denotes the maximum consequetive unacknowledged I PDU frames that this LLC may send to its remote LLC partner. This count is referred to as 'k' in the IEEE 802.2 specification [??].

This object contains an administrative value

which will be applied the next time this connection is established. A zero value for this object indicates that the SAP default, llcSapAdminMaxUnackedIPDUsSend, shall be used.

At connection setup, the remote LLC may send, using an XID frame, the maximum number of unacknowledged I PDUs which it is prepared to

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receive. If so, an implementation may choose to override the administered maximum number of unacknowledged PDUs with the dynamicly learned value and should reflect this in the llcCcOperMaxUnackedIPDUsSend object for the connection component." ::= { llcCcAdminEntry 8 }

llcCcAdminMaxUnackedIPDUsRcv OBJECT-TYPE SYNTAX INTEGER(1..127) ACCESS read-write STATUS mandatory DESCRIPTION "This object denotes the maximum number of unacknowledged I PDUs that this LLC can expect to receive from its remote LLC partner. This count is referred to as 'k' in the IEEE 802.2 specification [??].

This object contains an administrative value which will be applied the next time this connection is established. A zero value for this object indicates that the SAP default, llcSapAdminMaxUnackedIPDUsRcv, shall be used.

At connection setup, an implementation may choose to send this value to the remote LLC, using an XID frame." ::= { llcCcAdminEntry 9 }

llcCcAdminMaxRetransmits OBJECT-TYPE SYNTAX INTEGER ACCESS read-write STATUS mandatory DESCRIPTION "This object denotes the value for the maximum number of times that this LLC shall retry PDUs

following the expiration of the acknowledgement timer, the P-bit timer or the reject timer. When these retries are exhausted, the link shall be declared inactive. This count is referred to as 'N2' in the IEEE 802.2 specification [??].

This object contains an administrative value which will be applied the next time this connection is established. A zero value for this object indicates that the SAP default, llcSapAdminMaxRetransmits, shall be used." DEFVAL { 0 }

::= { llcCcAdminEntry 10 }

llcCcAdminAckTimer OBJECT-TYPE SYNTAX TimeTicks ACCESS read-write STATUS mandatory DESCRIPTION "This object denotes the value for the time interval during which this LLC shall expect to receive either:

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1) an acknowledgement to one or more

outstanding I PDUs. or 2) a response PDU to an unnumbered command PDU.

The expiration of this timer shall cause the frame unacknowledged frames to be retransmitted (up to N2 times).

This object contains an administrative value which will be applied the next time this connection is established. A zero value for this object indicates that the SAP default, llcSapAdminAckTimer, shall be used." DEFVAL { 0 } ::= { llcCcAdminEntry 11 }

llcCcAdminPbitTimer OBJECT-TYPE SYNTAX TimeTicks ACCESS read-write STATUS mandatory DESCRIPTION "This object denotes the value for the time interval during which this LLC shall expect to

receive a PDU with the F bit set to '1' in response to a Type 2 command with the P bit set to '1'.

The expiration of this timer shall cause the REJ PDU to be retransmitted (up to N2 times).

This object contains an administrative value which will be applied the next time this connection is established. A zero value for this object indicates that the SAP default, llcSapAdminPbitTimer, shall be used." DEFVAL { 0 }

::= { llcCcAdminEntry 12 }

llcCcAdminRejTimer OBJECT-TYPE SYNTAX TimeTicks ACCESS read-write STATUS mandatory DESCRIPTION "This object denotes the value for the time interval during which this LLC shall expect to receive a reply to a REJ PDU.

The expiration of this timer shall cause the REJ PDU to be retransmitted (up to N2 times).

This object contains an administrative value

which will be applied the next time this connection is established. A zero value for this object indicates that the SAP default, llcSapAdminRejTimer, shall be used." DEFVAL { 0 } ::= { llcCcAdminEntry 13 }

llcCcAdminBusyTimer OBJECT-TYPE

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SYNTAX TimeTicks ACCESS read-write STATUS mandatory DESCRIPTION "This object denotes the value for the time interval during which this LLC shall expect to receive an indication that a busy condition at the remote LLC has cleared.

The expiration of this timer shall cause the link to be declared inactive.

This object contains an administrative value which will be applied the next time this connection is established. A zero value for this object indicates that the SAP default, llcSapAdminBusyTimer, shall be used." DEFVAL { 0 } ::= { llcCcAdminEntry 14 }

llcCcAdminInactTimer OBJECT-TYPE SYNTAX TimeTicks ACCESS read-write STATUS mandatory

DESCRIPTION "This object denotes the value for the time interval during which this LLC shall expect to receive any PDU from the remote LLC. This function is not described in the IEEE 802.2 specification [??] but is widely implemented.

The expiration of this timer shall cause the local LLC to send a PDU to the remote LLC with the P bit set to '1'.

This object contains an administrative value which will be applied the next time this

connection is established. A zero value for this object indicates that the SAP default, llcSapAdminInactTimer, shall be used.

Any value for this object less than or equal to the acknowledgement timer shall mean that the timer is not used." DEFVAL { 0 } ::= { llcCcAdminEntry 15 }

llcCcAdminDelayAckCount OBJECT-TYPE SYNTAX INTEGER ACCESS read-write

STATUS mandatory DESCRIPTION "This object denotes the value for the maximum number of consequetive I PDUs which this LLC shall receive during the interval defined by llcCcOperDelayTimer without sending an immediate acknowledgement. This must be less than or equal to the value of llcCcOperMaxUnackIPDURcv. This function is not described in the IEEE 802.2 specification [??]

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but is widely implemented.

This object contains an administrative value which will be applied the next time this connection is established. A zero value for this object indicates that the SAP default, llcSapAdminDelayAck, shall be used.

A value of one indicates that acknowledgments will be sent immediately and that the value of llcCcAdminDelayAckTimer shall be ignored." DEFVAL { 0 } ::= { llcCcAdminEntry 16 }

llcCcAdminDelayAckTimer OBJECT-TYPE SYNTAX TimeTicks ACCESS read-write STATUS mandatory DESCRIPTION "This object denotes the value for the time interval during which this LLC shall delay acknowledgment of one or more I PDUs (up to the value of llcCcOperDelayAckCount). This function is not described in the IEEE 802.2

specification [??] but is widely implemented.The expiration of this timer shall cause the

local LLC to acknowledge all unacknowledged I PDUs.

This object contains an administrative value which will be applied the next time this connection is established.

This object is associated with the llcCcAdminDelayAckCount object and is only defined if that object has a value greater than

one." DEFVAL { 0 } ::= { llcCcAdminEntry 17 }

llcCcAdminRowStatus OBJECT-TYPE SYNTAX RowStatus-- Rsyntax INTEGER {-- active(1),-- notInService(2),-- notReady(3),-- createAndGo(4),-- createAndWait(5),-- destroy(6)

-- } ACCESS read-write STATUS mandatory DESCRIPTION "This object is used by a management station to create or delete the row entry in llcCcAdminTable following the RowStatus textual convention.

Upon successful creation of the row, an agent

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automatically creates a corresponding entry in the llcCcOperTable with llcCcOperState equal to 'discontacted (1)'." ::= { llcCcAdminEntry 18 }

llcCcOperTable OBJECT-TYPE SYNTAX SEQUENCE OF LlcCcOperEntry ACCESS not-accessible STATUS mandatory DESCRIPTION "This table contains current LLC link parameters. Many of these objects have corresponding objects in the llcCcAdminTable." ::= { llcCcGroup 2 }

llcCcOperEntry OBJECT-TYPE SYNTAX LlcCcOperEntry ACCESS not-accessible STATUS mandatory DESCRIPTION "A list of status and control values for an LLC link station." INDEX { ifIndex, llcCcLSap, llcCcRSap, llcCcRMac, llcCcLMac }

::= { llcCcOperTable 1 }

LlcCcOperEntry ::= SEQUENCE { llcCcOperRole INTEGER, llcCcOperState INTEGER, llcCcOperMaxIPDUOctetsSend Integer32, llcCcOperMaxIPDUOctetsRcv Integer32, llcCcOperMaxUnackedIPDUsSend INTEGER, llcCcOperMaxUnackedIPDUsRcv INTEGER, llcCcOperMaxRetransmits INTEGER, llcCcOperAckTimer TimeTicks, llcCcOperPbitTimer TimeTicks, llcCcOperRejTimer TimeTicks,

llcCcOperBusyTimer TimeTicks, llcCcOperInactTimer TimeTicks, llcCcOperDelayAckCount INTEGER, llcCcOperDelayAckTimer TimeTicks, llcCcOperCreateTime TimeTicks, llcCcOperLastModifyTime TimeTicks, llcCcOperLastFailTime TimeTicks, llcCcOperLastFailCause INTEGER, llcCcOperLastFailFRMRInfo OCTET STRING }

llcCcOperRole OBJECT-TYPE SYNTAX INTEGER {

primary(1), secondary(2), undefined(3) } ACCESS read-only STATUS mandatory DESCRIPTION "This object reflects the current role that the link station is assuming." ::= { llcCcOperEntry 1 }

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llcCcOperState OBJECT-TYPE SYNTAX INTEGER { discontacted(1), contactPending(2), contacted(3), discontactPending(4) } ACCESS read-only STATUS mandatory DESCRIPTION "This object describes the operational state of the LLC connection. The managed system shall attempt to keep this value consistent with the administered state, llcCcAdminState" ::= { llcCcOperEntry 2 }

llcCcOperMaxIPDUOctetsSend OBJECT-TYPE SYNTAX Integer32 ACCESS read-write STATUS mandatory DESCRIPTION "This object denotes the maximum I PDU size, in octets, that this LLC SAP may send to its

remote connection component partner. This count is referred to as 'N1' in the IEEE 802.2 specification [??].

At connection setup, the remote LLC may send, using an XID frame, the maximum I PDU size which it is prepared to receive. If so, an implementation may choose to override the administered maximum PDU size with the dynamically learned value and should reflect that in this object.

The I PDU size includes all octets in a frame,

excluding framing characters, the MAC header and link link header." ::= { llcCcOperEntry 3 }

llcCcOperMaxIPDUOctetsRcv OBJECT-TYPE SYNTAX Integer32 ACCESS read-write STATUS mandatory DESCRIPTION "This object denotes the maximum I PDU size,in octets, that this LLC can expect to receive from its remote LLC partner. This count is referred to as 'N1' in the IEEE 802.2

specification [??]

The I PDU size includes all octets in a frame with the exception of the framing characters, the MAC header and the link header." ::= { llcCcOperEntry 4 }

llcCcOperMaxUnackedIPDUsSend OBJECT-TYPE SYNTAX INTEGER(1..127) ACCESS read-write

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STATUS mandatory DESCRIPTION "This object denotes the maximum consequetive unacknowledged I PDU frames that this LLC may send to its remote LLC partner. This count is referred to as 'k' in the IEEE 802.2 specification [??].

At connection setup, the remote LLC may send, using an XID frame, the maximum number of unacknowledged I PDUs which it is prepared to receive. If so, an implementation may choose to override the administered maximum number of unacknowledged PDUs with the dynamicly learned value and should reflect that in this object." ::= { llcCcOperEntry 5 }

llcCcOperMaxUnackedIPDUsRcv OBJECT-TYPE SYNTAX INTEGER(1..127) ACCESS read-write STATUS mandatory DESCRIPTION "This object denotes the maximum number of unacknowledged I PDUs that this LLC can expect

to receive from its remote LLC partner. This count is referred to as 'k' in the IEEE 802.2 specification [??]." ::= { llcCcOperEntry 6 }

llcCcOperMaxRetransmits OBJECT-TYPE SYNTAX INTEGER ACCESS read-write STATUS mandatory DESCRIPTION "This object denotes the value for the maximum number of times that this LLC shall retry PDUs following the expiration of the acknowledgement

timer, the P-bit timer or the reject timer. When these retries are exhausted, the link shall be declared inactive. This count is referred to as 'N2' in the IEEE 802.2 specification [??]." ::= { llcCcOperEntry 7 }

llcCcOperAckTimer OBJECT-TYPE SYNTAX TimeTicks ACCESS read-write STATUS mandatory DESCRIPTION "This object denotes the value for the time

interval during which this LLC shall expect to receive either:

1) an acknowledgement to one or more outstanding I PDUs. or 2) a response PDU to an unnumbered command PDU.

The expiration of this timer shall cause the frame unacknowledged frames to be retransmitted (up to N2 times)."

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::= { llcCcOperEntry 8 }

llcCcOperPbitTimer OBJECT-TYPE SYNTAX TimeTicks ACCESS read-write STATUS mandatory DESCRIPTION "This object denotes the value for the time interval during which this LLC shall expect to receive a PDU with the F bit set to '1' in response to a Type 2 command with the P bit set to '1'.

The expiration of this timer shall cause the REJ PDU to be retransmitted (up to N2 times)." ::= { llcCcOperEntry 9 }

llcCcOperRejTimer OBJECT-TYPE SYNTAX TimeTicks ACCESS read-write STATUS mandatory DESCRIPTION "This object denotes the value for the time interval during which this LLC shall expect to

receive a reply to a REJ PDU.The expiration of this timer shall cause the

REJ PDU to be retransmitted (up to N2 times)." ::= { llcCcOperEntry 10 }

llcCcOperBusyTimer OBJECT-TYPE SYNTAX TimeTicks ACCESS read-write STATUS mandatory DESCRIPTION "This object denotes the value for the time interval during which this LLC shall expect to

receive an indication that a busy condition at the remote LLC has cleared.

The expiration of this timer shall cause the link to be declared inactive." ::= { llcCcOperEntry 11 }

llcCcOperInactTimer OBJECT-TYPE SYNTAX TimeTicks ACCESS read-write STATUS mandatory DESCRIPTION "This object denotes the value for the time

interval during which this LLC shall expect to receive any PDU from the remote LLC. This function is not described in the IEEE 802.2 specification [??] but is widely implemented.

The expiration of this timer shall cause the local LLC to send a PDU to the remote LLC with the P bit set to '1'.

Any value for this object less than or equal to

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the acknowledgement timer shall mean that the timer is not used." ::= { llcCcOperEntry 12 }

llcCcOperDelayAckCount OBJECT-TYPE SYNTAX INTEGER ACCESS read-write STATUS mandatory DESCRIPTION "This object denotes the value for the maximum number of consequetive I PDUs which this LLC shall receive during the interval defined by llcCcOperDelayTimer without sending an immediate acknowledgement. This must be less than or equal to the value of llcCcOperMaxUnackIPDURcv. This function is not described in the IEEE 802.2 specification [??] but is widely implemented.

A value of one indicates that acknowledgments will be sent immediately and that the value of llcCcOperDelayAckTimer should be ignored." ::= { llcCcOperEntry 13 }

llcCcOperDelayAckTimer OBJECT-TYPE SYNTAX TimeTicks ACCESS read-write STATUS mandatory DESCRIPTION "This object denotes the value for the time interval during which this LLC shall delay acknowledgment of one or more I PDUs (up to the value of llcCcOperDelayAckCount). This function is not described in the IEEE 802.2 specification [??] but is widely implemented.

The expiration of this timer shall cause the

local LLC to acknowledge all unacknowledged I PDUs.

This object is associated with the llcCcOperDelayAckCount object and only has meaning if that object has a value greater than one." ::= { llcCcOperEntry 14 }

llcCcOperCreateTime OBJECT-TYPE SYNTAX TimeTicks ACCESS read-only STATUS mandatory

DESCRIPTION "This object describes the value of sysUpTime when this connection was created." ::= { llcCcOperEntry 15 }

llcCcOperLastModifyTime OBJECT-TYPE SYNTAX TimeTicks ACCESS read-only STATUS mandatory DESCRIPTION

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"This object describes the value of sysUpTime when this connection definition was last modified. If the connection has not been modified, then this value shall be zero." ::= { llcCcOperEntry 16 }

llcCcOperLastFailTime OBJECT-TYPE SYNTAX TimeTicks ACCESS read-only STATUS mandatory DESCRIPTION "This object describes the value of sysUpTime when this LLC link station last failed. If the link station has not failed, then this value shall be zero." ::= { llcCcOperEntry 17 }

llcCcOperLastFailCause OBJECT-TYPE SYNTAX INTEGER { undefined(1), rxFRMR(2), txFRMR(3), noResponse(4), protocolErr(5),

noActivity(6), discReceived(7), dmReceived(8), retriesExpired(9) } ACCESS read-only STATUS mandatory DESCRIPTION "This enumerated object reflects the cause of the last failure of this LLC link station. If the link station has not failed, then this object will have a value of undefined(1)." DEFVAL { undefined }

::= { llcCcOperEntry 18 }

llcCcOperLastFailFRMRInfo OBJECT-TYPE SYNTAX OCTET STRING(SIZE(3)) ACCESS read-only STATUS mandatory DESCRIPTION "This object reflects the information field of the FRMR frame if the last failure for this LLC link station was as a result of an invalid frame. Otherwise, this field has no meaning." ::= { llcCcOperEntry 19 }

llcCcStatsTable OBJECT-TYPE SYNTAX SEQUENCE OF LlcCcStatsEntry ACCESS not-accessible STATUS mandatory DESCRIPTION "Each entry in this table contains statistics for a specific LLC link station." ::= { llcCcGroup 3 }

llcCcStatsEntry OBJECT-TYPE

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SYNTAX LlcCcStatsEntry ACCESS not-accessible STATUS mandatory DESCRIPTION "A list of statistics for an LLC link station." INDEX { ifIndex, llcCcLSap, llcCcRSap, llcCcRMac, llcCcLMac } ::= { llcCcStatsTable 1 }

LlcCcStatsEntry ::= SEQUENCE { llcCcStatsLocalBusies Counter32, llcCcStatsRemoteBusies Counter32, llcCcStatsIFramesIn Counter32, llcCcStatsIFramesOut Counter32, llcCcStatsIOctetsIn Counter32, llcCcStatsIOctetsOut Counter32, llcCcStatsREJsIn Counter32, llcCcStatsREJsOut Counter32, llcCcStatsRetransmitsIn Counter32, llcCcStatsRetransmitsOut Counter32, llcCcStatsFRMRsIn Counter32, llcCcStatsFRMRsOut Counter32, llcCcStatsDISCsIn Counter32, llcCcStatsDISCsOut Counter32, llcCcStatsUAsIn Counter32,

llcCcStatsUAsOut Counter32, llcCcStatsDMsIn Counter32, llcCcStatsDMsOut Counter32, llcCcStatsSABMEsIn Counter32, llcCcStatsSABMEsOut Counter32, llcCcStatsProtocolErrs Counter32, llcCcStatsActivityTOs Counter32, llcCcStatsRetriesExps Counter32 }

llcCcStatsLocalBusies OBJECT-TYPE SYNTAX Counter32 ACCESS read-only

STATUS mandatory DESCRIPTION "This object reflects the total number of times that the local LLC link station has entered a busy state (RNR) since link station startup. At link station startup time, this object must be initialized to zero." ::= { llcCcStatsEntry 1 }

llcCcStatsRemoteBusies OBJECT-TYPE SYNTAX Counter32 ACCESS read-only STATUS mandatory

DESCRIPTION "This object reflects the total number of times that an adjacent ( remote) LLC link station has entered a busy state (RNR) since link station startup. At link station startup time, this object must be initialized to zero." ::= { llcCcStatsEntry 2 }

llcCcStatsIFramesIn OBJECT-TYPE SYNTAX Counter32

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ACCESS read-only STATUS mandatory DESCRIPTION "This object reflects the total I-frames received from an adjacent LLC link station since link station startup. At link station startup time, this object must be initialized to zero." ::= { llcCcStatsEntry 3 }

llcCcStatsIFramesOut OBJECT-TYPE SYNTAX Counter32 ACCESS read-only STATUS mandatory DESCRIPTION "This object reflects the total I-frames transmitted to an adjacent LLC link station since link station startup. At link station startup time, this object must be initialized to zero." ::= { llcCcStatsEntry 4 }

llcCcStatsIOctetsIn OBJECT-TYPE SYNTAX Counter32

ACCESS read-only STATUS mandatory DESCRIPTION "This object reflects the total octets contained in I-frames received from an adjacent LLC link station since link station startup. At link station startup time, this object must be initialized to zero." ::= { llcCcStatsEntry 5 }

llcCcStatsIOctetsOut OBJECT-TYPE SYNTAX Counter32 ACCESS read-only

STATUS mandatory DESCRIPTION "This object reflects the total octets contained in I-frames transmitted to an adjacent LLC link station since link station startup. At link station startup time, this object must be initialized to zero." ::= { llcCcStatsEntry 6 }

llcCcStatsREJsIn OBJECT-TYPE SYNTAX Counter32 ACCESS read-only STATUS mandatory

DESCRIPTION "This object reflects the total REJ frames received from an adjacent LLC link station since link station startup." ::= { llcCcStatsEntry 7 }

llcCcStatsREJsOut OBJECT-TYPE SYNTAX Counter32 ACCESS read-only STATUS mandatory

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DESCRIPTION "This object reflects the total REJ frames transmitted to an adjacent LLC link station since link station startup." ::= { llcCcStatsEntry 8 }

llcCcStatsRetransmitsIn OBJECT-TYPE SYNTAX Counter32 ACCESS read-only STATUS mandatory 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" ::= { llcCcStatsEntry 9 }

llcCcStatsRetransmitsOut OBJECT-TYPE SYNTAX Counter32

ACCESS read-only STATUS mandatory 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."

::= { llcCcStatsEntry 10 }

llcCcStatsFRMRsIn OBJECT-TYPE SYNTAX Counter32 ACCESS read-only STATUS mandatory DESCRIPTION "This object reflects the total frame reject (FRMR) frames received from an adjacent LLC link station since link station startup." ::= { llcCcStatsEntry 11 }

llcCcStatsFRMRsOut OBJECT-TYPE

SYNTAX Counter32 ACCESS read-only STATUS mandatory DESCRIPTION "This object reflects the total frame reject (FRMR) frames transmitted to an adjacent LLC link station since link station startup." ::= { llcCcStatsEntry 12 }

llcCcStatsDISCsIn OBJECT-TYPE

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SYNTAX Counter32 ACCESS read-only STATUS mandatory DESCRIPTION "This object reflects the total number of disconnect (DISC) requests received from an adjacent link station since link station startup. At link station startup time, this object must be initialized to zero." ::= { llcCcStatsEntry 13 }

llcCcStatsDISCsOut OBJECT-TYPE SYNTAX Counter32 ACCESS read-only STATUS mandatory DESCRIPTION "This object reflects the total number of disconnect (DISC) requests transmited to an adjacent link station since link station startup. At link station startup time, this object must be initialized to zero." ::= { llcCcStatsEntry 14 }

llcCcStatsUAsIn OBJECT-TYPE

SYNTAX Counter32 ACCESS read-only STATUS mandatory DESCRIPTION "This object reflects the total number of unnumbered acknowledgements (UA) requests received from an adjacent link station since link station startup. At link station startup time, this object must be initialized to zero." ::= { llcCcStatsEntry 15 }

llcCcStatsUAsOut OBJECT-TYPE

SYNTAX Counter32 ACCESS read-only STATUS mandatory DESCRIPTION "This object reflects the total number of unnumbered acknowledgements (UA) requests transmited to an adjacent link station since link station startup. At link station startup time, this object must be initialized to zero." ::= { llcCcStatsEntry 16 }

llcCcStatsDMsIn OBJECT-TYPE

SYNTAX Counter32 ACCESS read-only STATUS mandatory DESCRIPTION "This object reflects the total number of disconnect mode (DM) requests received from an adjacent link station since link station startup. At link station startup time, this object must be initialized to zero." ::= { llcCcStatsEntry 17 }

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llcCcStatsDMsOut OBJECT-TYPE SYNTAX Counter32 ACCESS read-only STATUS mandatory DESCRIPTION "This object reflects the total number of disconnect mode (DM) requests transmited to an adjacent link station since link station startup. At link station startup time, this object must be initialized to zero." ::= { llcCcStatsEntry 18 }

llcCcStatsSABMEsIn OBJECT-TYPE SYNTAX Counter32 ACCESS read-only STATUS mandatory DESCRIPTION "This object reflects the total number of set normal response mode (SABME) requests received from an adjacent link station since link station startup. At link station startup time, this object must be initialized to zero."

::= { llcCcStatsEntry 19 }

llcCcStatsSABMEsOut OBJECT-TYPE SYNTAX Counter32 ACCESS read-only STATUS mandatory DESCRIPTION "This object reflects the total number of set normal response mode (SABME) requests transmited to an adjacent link station since link station startup. At link station startup time, this object must be initialized to zero."

::= { llcCcStatsEntry 20 }

llcCcStatsProtocolErrs OBJECT-TYPE SYNTAX Counter32 ACCESS read-only STATUS mandatory DESCRIPTION "This object reflects the total occurrences, since link station startup, where this LLC 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." ::= { llcCcStatsEntry 21 }

llcCcStatsActivityTOs OBJECT-TYPE SYNTAX Counter32 ACCESS read-only STATUS mandatory DESCRIPTION "This object reflects the total occurrences, since startup, where this LLC link station has

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inactivated the link as a result of no activity on the link. At link station startup time, this object must be initialized to zero." ::= { llcCcStatsEntry 22 }

llcCcStatsRetriesExps OBJECT-TYPE SYNTAX Counter32 ACCESS read-only STATUS mandatory DESCRIPTION "This object reflects the total occurrences, since startup, where this LLC 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." ::= { llcCcStatsEntry 23 }

llcPortStatusChange TRAP-TYPE--?? Non-reverse mappable trap ENTERPRISE llcTraps VARIABLES { llcPortOperLastFailTime, llcPortOperLastFailCause }-- Status

-- mandatory DESCRIPTION "This trap indicates that the state of an LLC port has transitioned to active or inactive." ::= 1

llcCcStatusChange TRAP-TYPE--?? Non-reverse mappable trap ENTERPRISE llcTraps VARIABLES { llcCcOperState, llcCcAdminState, llcCcOperLastFailTime,

llcCcOperLastFailCause, llcCcOperLastFailFRMRInfo }-- Status

-- mandatory DESCRIPTION "This trap indicates that the state of an LLC link station has transitioned to contacted or discontacted." ::= 2

llcCorePortAdminGroup OBJECT IDENTIFIER ::= { llcCoreGroups 1 }-- OBJECT-GROUP-- Status-- mandatory-- Descr-- The llcCorePortAdminGroup defines objects

-- which are common to the PortAdmin group of all-- compliant connections.-- objects-- llcPortAdminName

llcCorePortOperGroup OBJECT IDENTIFIER ::= { llcCoreGroups 2 }-- OBJECT-GROUP-- Status-- mandatory-- Descr

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-- The llcCorePortOperGroup defines objects-- which are common to the PortOper group of all-- compliant connections.-- objects-- llcPortOperName, llcPortOperISTATUS, llcPortOperLastFailTime,-- llcPortOperLastFailCause

llcCorePortStatsGroup OBJECT IDENTIFIER ::= { llcCoreGroups 3 }-- OBJECT-GROUP-- Status-- mandatory-- Descr-- The llcCorePortStatsGroup defines objects-- which are common to the PortStats group of all-- compliant connections.-- objects-- llcPortStatsPhysicalFailures

llcCoreCcAdminGroup OBJECT IDENTIFIER ::= { llcCoreGroups 4 }-- OBJECT-GROUP-- Status-- mandatory-- Descr-- The llcCorePortAdminGroup defines objects

-- which are common to the PortAdmin group of all-- compliant connections.-- objects-- llcCcAdminState, llcCcAdminRowStatus

llcCoreCcOperGroup OBJECT IDENTIFIER ::= { llcCoreGroups 5 }-- OBJECT-GROUP-- Status-- mandatory-- Descr-- The llcCorePortOperGroup defines objects-- which are common to the PortOper group of all-- compliant connections.

-- objects-- llcCcOperRole, llcCcOperState, llcCcOperLastFailTime,-- llcCcOperLastFailCause, llcCcOperLastFailFRMRInfo

llcCoreCcStatsGroup OBJECT IDENTIFIER ::= { llcCoreGroups 6 }-- OBJECT-GROUP-- Status-- mandatory-- Descr-- The llcCorePortStatsGroup defines objects-- which are common to the PortStats group of all-- compliant connections.-- objects

-- llcCcStatsLocalBusies, llcCcStatsRemoteBusies,-- llcCcStatsIFramesIn, llcCcStatsIFramesOut,-- llcCcStatsRetransmitsIn, llcCcStatsRetransmitsOut,-- llcCcStatsIOctetsIn, llcCcStatsIOctetsOut, llcCcStatsREJsIn,-- llcCcStatsREJsOut, llcCcStatsFRMRsIn, llcCcStatsFRMRsOut,-- llcCcStatsProtocolErrs, llcCcStatsRetriesExps

llcCoreCompliance OBJECT IDENTIFIER ::= { llcCompliances 1 }-- MODULE-COMPLIANCE-- Status

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-- mandatory-- Descr-- The core compliance statement for all LLC nodes.-- Module-- >>current