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RFC1604 - Definitions of Managed Objects for Frame Relay Service

王朝other·作者佚名  2008-05-31
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Network Working Group T. Brown, Editor

Request for Comments: 1604 Bell Communications Research

Obsoletes: 1596 March 1994

Category: Standards Track

Definitions of Managed Objects

for Frame Relay Service

Status of this Memo

This document specifies an Internet standards track protocol for the

Internet community, and requests discussion and suggestions for

improvements. Please refer to the current edition of the "Internet

Official Protocol Standards" (STD 1) for the standardization state

and status of this protocol. Distribution of this memo is unlimited.

Abstract

This memo defines an extension to the Management Information Base

(MIB) for use with network management protocols in TCP/IP-based

internets. In particular, it defines objects for managing the Frame

Relay Service.

Table of Contents

1. The SNMPv2 Network Management Framework ............... 2

2. Object Definitions .................................... 2

3. Overview .............................................. 2

3.1 Scope of MIB ......................................... 3

3.2 Frame Relay Service MIB Terminology .................. 5

3.3 Apply MIB II to a Frame Relay Service ................ 7

4. Object Definitions .................................... 12

4.1 The Frame Relay Service Logical Port Group ........... 12

4.2 The Frame Relay Management VC Signaling Group ........ 15

4.3 The PVC End-Point Group .............................. 22

4.4 Frame Relay PVC Connection Group ..................... 30

4.5 Frame Relay Accounting Groups ........................ 37

5. Frame Relay Network Service TRAPS ..................... 40

6. Conformance Information ............................... 43

7. Acknowledgments ....................................... 45

8. References ............................................ 45

9. Security Considerations ............................... 46

10. Author's Address ..................................... 46

1. The SNMPv2 Network Management Framework

The SNMPv2 Network Management Framework consists of four major

components. They are:

o RFC1442 which defines the SMI, the mechanisms used for

describing and naming objects for the purpose of

management.

o STD 17, RFC1213 defines MIB-II, the core set of managed

objects for the Internet suite of protocols.

o RFC1445 which defines the administrative and other

architectural ASPects of the framework.

o RFC1448 which defines the protocol used for network

Access to managed objects.

The Framework permits new objects to be defined for the purpose of

eXPerimentation and evaluation.

2. Object Definitions

Managed objects are accessed via a virtual information store, termed

the Management Information Base or MIB. Objects in the MIB are

defined using the subset of Abstract Syntax Notation One (ASN.1)

defined in the SMI. In particular, each object object type is named

by an OBJECT IDENTIFIER, an administratively assigned name. The

object type together with an object instance serves to uniquely

identify a specific instantiation of the object. For human

convenience, we often use a textual string, termed the descriptor, to

refer to the object type.

3. Overview

These objects are used when the particular media being used to manage

is Frame Relay Service. At present, this applies to these values of

the ifType variable in the Internet-standard MIB:

frameRelayService (44)

This section provides an overview and background of how to use this

MIB and other potential MIBs when managing a Frame Relay Service.

Figure 1 shows the MIB stack that could be followed for managing a

Frame Relay Service. This is only an example and not meant to be

inclusive.

____________________________________________________

SIP RFC1490

X.25 MIB Relay (no applic.

for IW/Encap. MIB MIB)

MIB II -----------------------------------

ifTable Frame Relay Service MIB

ifXTable

ifStackTable ___________________________________

Physical Layer MIBs ATM MIB

e.g., DS1/E1 MIB, ---------

RS232-like MIB Phy.

Layer

MIB

------------------------------------------------

Figure 1. Frame Relay MIB Architecture

3.1. Scope of MIB

The Frame Relay Service MIB will only manage the Frame Relay portion

of the network. This MIB is based upon the Customer Network

Management concepts presented in the document "Service Management

Architecture for Virtual Connection Services" [6].

This MIB will NOT be implemented on User Equipment (e.g., DTE), and

the Frame Relay DTE MIB (RFC1315) should be used to manage those

devices [8].

Frame Relay Service MIB is intended to be used for Customer Network

Management (CNM) of a Frame Relay Network Service. It provides

information that allows end-customers to oBTain performance

monitoring, fault detection, and configuration information about

their Frame Relay Service. It is an implementation decision as to

whether this MIB is used to create/delete/modify PVCs and to turn

PVCs on or off.

By using this and other related MIBs, a customer's NMS can monitor

their PVCs and UNI/NNI logical ports. Internal aspects of the

network (e.g., switching elements, line cards, and network routing

tables) are outside the scope of this MIB. The Customer's NMS will

typically access the SNMP proxy-agent within the Frame Relay network

using SNMP over UDP over IP with IP encapsulated in Frame Relay

according to RFC1490/ANSI T1.617 Annex F [7,9]. The customer, thus,

has a PVC to the SNMP proxy-agent. Alternate access mechanisms and

SNMP agent implementations are possible. The service capabilities

include retrieving information and receiving TRAPs. It is beyond the

scope of this MIB to define managed objects to monitor the physical

layer. Existing physical layer MIBs (e.g., DS1 MIB) and MIB II will

be used as possible. The Frame Relay Service SNMP MIB for CNM will

not contain any managed objects to monitor the physical layer. This

MIB primarily addresses Frame Relay PVCs. This MIB may be extended

at a later time to handle Frame Relay SVCs.

This MIB is only used to manage a single Frame Relay Service offering

from one network. This MIB will typically be implemented on a

service provider's SNMP proxy-agent. The SNMP proxy-agent proxies for

all Frame Relay equipment within one service provider's Frame Relay

network. (Other SNMP agent implementations are not precluded.)

Therefore, this MIB models a PVC segment through one Frame Relay

Network. See Figure 2. If the customer's PVCs traverse multiple

networks, then the customer needs to poll multiple network proxy-

agents within each Frame Relay Network to retrieve their end-to-end

view of their service. See Figure 2 and the Service Management

Architecture [6].

+-------------------------------------+

Customer Network Management Station

(SNMP based)

+-------------------------------------+

^ ^ ^

UNI NNI NNI UNI

^ ^ ^

+-----------+ +-----------+ +-----------+

Originating FR FR FR Terminating

+--------+ Network I Network J Network K +--------+

--- --- --- --- User B

////////////////////////////////////////////////////////////

+--------+ +-----------+ +-----------+ +-----------+ +--------+

PVC Segment 1 PVC Segment 2 PVC Segment 3

<-------------><-------------><------------->

Multi-network PVC

<--------------------------------------------->

NNI = Network-to Network Interface

UNI = User-to-Network Interface

Figure 2. Multi-network PVC

Also, since the Frame Relay network is a shared network amongst many

Frame Relay subscribers, each subscriber will only have access to

their information (e.g., information with respect to their interfaces

and PVCs). Therefore, in order to provide this capability, the Frame

Relay PVC CNM proxy agent should be able to support instance level

granularity for MIB views. See the Service Management Architecture.

3.2. Frame Relay Service MIB Terminology

Access Channel - An access channel generically refers to the DS1/E1

or DS3/E3-based UNI access channel or NNI access channel across which

frame relay data transits. An access channel is the access pathway

for a single stream of user data.

Within a given T1 line, an access channel can denote any one of the

following:

o Unchannelized T1 - the entire T1 line is considered an access

channel. Each access channel is comprised of 24 T1 time

slots.

o Channelized T1 - an access channel is any one of 24 channels.

Each access channel is comprised of a single T1 time slot.

o Fractional T1 - an access channel is a grouping of N T1 time

slots (NX56/64 Kbps, where N = 1-23 T1 Time slots per FT1

Access Channel) that may be assigned in consecutive or

non-consecutive order.

Within a given E1 line, a channel can denote any one of the

following:

o Unchannelized E1 - the entire E1 line is considered a single

access channel. Each access channel is comprised of 31 E1

time slots.

o Channelized E1 - an access channel is any one of 31 channels.

Each access channel is comprised of a single E1 time slot.

o Fractional E1 - an access channel is a grouping of N E1 time

slots (NX64 Kbps, where N = 1-30 E1 time slots per FE1 access

channel) that may be assigned in consecutive or

non-consecutive order.

in 3 Within a given unformatted line, the entire unformatted line

is considered an access channel. Examples include RS-232, V.35,

V.36 and X.21 (non- switched).

Access Rate - The data rate of the access channel, expressed in

bits/second. The speed of the user access channel determines how

rapidly the end user can inject data into the network.

Bc - The Committed Burst Size (Bc) is the maximum amount of

subscriber data (expressed in bits) that the network agrees to

transfer, under normal conditions, during a time interval Tc.

Be - The Excess Burst Size (Be) is the maximum amount of

subscriber data (expressed in bits) in excess of Bc that the

network will attempt to deliver during the time interval Tc. This

data (Be) is delivered in general with a lower probability than

Bc.

CIR - The Committed Information Rate (CIR) is the subscriber data

rate (expressed in bits/second) that the network commits to

deliver under normal network conditions. CIR is averaged over the

time interval Tc (CIR = Bc/Tc).

DLCI - Data Link Connection Identifier

Logical Port - This term is used to model the Frame Relay

"interface" on a device.

NNI - Network to Network Interface

Permanent Virtual Connection (PVC) - A virtual connection that has

its end-points and bearer capabilities defined at subscription

time.

Time slot (E1) - An octet within the 256-bit information field in

each E1 frame is defined as a time slot. Time slots are position

sensitive within the 256-bit information field. Fractional E1

service is provided in contiguous or non- contiguous time slot

increments.

Time slot (T1) - An octet within the 192-bit information field in

each T1 frame is defined as a time slot. Time slots are position

sensitive within the 192-bit information field. Fractional T1

service is provided in contiguous or non- contiguous time slot

increments.

UNI - User to Network Interface

N391 - Full status (status of all PVCs) polling counter

N392 - Error threshold

N393 - Monitored events count

T391 - Link integrity verification polling timer

T392 - Polling verification timer

nT3 - Status enquiry timer

nN3 - Maximum status enquiry counter

3.3. Apply MIB II to a Frame Relay Service

Use the System Group to apply to the SNMP proxy-agent, since the

proxy-agent may be monitoring many Frame Relay devices in one

network. System Group applies to only one system. This group is

not instantiated.

sysDescr: ASCII string describing the SNMP proxy-agent.

Can be up to 255 characters long. This field is

generally used to indicate the network providers

identification and type of service offered.

sysObjectID: Unique OBJECT IDENTIFIER (OID) for the SNMP

proxy-agent.

sysUpTime: Clock in the SNMP proxy-agent; TimeTicks

in 1/100s of a second. Elapsed type since

the proxy-agent came on line.

sysContact: Contact for the SNMP proxy-agent.

ASCII string of up to 255 characters.

sysName: Domain name of the SNMP proxy-agent, for example,

acme.com

sysLocation: Location of the SNMP proxy-agent.

ASCII string of up to 255 characters.

sysServices: Services of the managed device. The value "2",

which implies that

the Frame Relay network is providing

a subnetwork level service, is recommended.

This specifies how the Interfaces Group defined in MIB II shall be

used for the management of Frame Relay based interfaces, and in

conjunction with the Frame Relay Service MIB module. This memo

assumes the interpretation of the evolution of the Interfaces group

to be in accordance with: "The interfaces table (ifTable) contains

information on the managed resource's interfaces. Each sub-layer

below the internetwork layer of a network interface is considered an

interface." Thus, the ifTable allows the following Frame Relay-based

interfaces to be represented as table entries:

- Frame Relay interfaces in the Frame Relay equipment (e.g.,

switches, routers or networks) with Frame Relay interfaces.

This level is concerned with generic frame counts and

not with individual virtual connections.

In accordance with the guidelines of ifTable, frame counts per

virtual connection are not covered by ifTable, and are considered

interface specific and covered in the Frame Relay Service MIB module.

In order to interrelate the ifEntries properly, the Interfaces Stack

Group shall be supported.

Some specific interpretations of ifTable for Frame Relay follow.

Object Use for the generic Frame Relay layer

====== =========================================

ifIndex Each Frame Relay port is represented

by an ifEntry.

ifDescr Description of the Frame Relay interface.

ASCII string describing the UNI/NNI

logical port. Can be up to

255 characters long.

ifType The value allocated for Frame Relay

Service is equal to 44.

ifMtu Set to maximum frame size in octets for

this frame relay logical port.

ifSpeed Peak bandwidth in bits per second

available for use. This could be the

speed of the logical port and not

the access rate. Actual user information

transfer rate (i.e., access rate) of the

UNI or NNI logical port in bits per second

(this is not the clocking speed). For

example, it is 1,536,000 bits per

second for a DS1-based UNI/NNI logical

port and 1,984,000 bits per second for an

E1-based UNI/NNI logical port.

ifPhysAddress The primary address for this logical port

assigned by the Frame Relay interface

provider. An octet string of zero length

if no address is used for this logical

port.

ifAdminStatus The desired administrative status of the

frame relay logical port.

ifOperStatus The current operational status of the

Frame Relay UNI or NNI logical port.

ifLastChange The elapsed time since the last

re-initialization of the logical port.

The value of sysUpTime at the time the

logical port entered its current

operational state. If the current

state was entered prior to the last

re-initialization of the local

network management subsystem, then

this object contains a zero value.

ifInOctets The number of received octets.

This counter only counts octets from the

beginning of the frame relay header field

to the end of user data.

ifInUCastPkts The number of received unerrored,

unicast frames.

ifInDiscards The number of received frames discarded.

Possible reasons are as follows:

policing, congestion.

ifInErrors The number of received frames that are

discarded, because of an error.

Possible errors can be the following: the

frame relay frames were too long or were

too short, the frames had an invalid or

unrecognized DLCI values, or incorrect

header values.

ifInUnknownProtos The number of packets discarded because

of an unknown or unsupported protocol.

For Frame Relay Service interfaces, this

counter will always be zero.

ifOutOctets The number of transmitted octets.

This counter only counts octets from the

beginning of the frame relay header field

to the end of user data.

ifOutUcastpkts The number of frames sent.

ifOutDiscards The number of frames discarded in the

egress direction. Possible

reasons are as follows: policing,

congestion.

ifOutErrors The number of frames discarded in the

egress direction, because of errors.

Possible reason is transmit underruns.

ifName This variable is not applicable for

Frame Relay Service interfaces,

therefore, this variable contains a

zero-length string.

ifInMulticastPkts The number of received unerrored,

multicast frames.

ifInBroadcastPkts This variable is not applicable for

Frame Relay Service interfaces,

therefore, this counter is always zero.

ifOutMulticastPkts The number of sent unerrored,

multicast frames.

ifOutBroadcastPkts This variable is not applicable for

Frame Relay Service interfaces,

therefore, this counter is always zero.

ifHCInOctets Only used for DS3-based (and greater)

Frame Relay logical ports.

The number of received octets.

This counter only counts octets from the

beginning of the frame relay header field

to the end of user data.

ifHCOutOctets Only used for DS3-based (and greater)

Frame Relay logical ports.

The number of transmitted octets.

This counter only counts octets from the

beginning of the frame relay header field

to the end of user data.

ifLinkUpDownTrapEnble The value of this object is

implementation specific for Frame

Relay logical ports.

ifHighSpeed Set to the user data rate of the frame

relay logical port in millions of

bits per second. If the user data rate

is less than 1 Mbps, then this value is

zero.

ifPromiscuousMode Set to false(2).

ifConnectorPresent Set to false(2).

Frame Relay Network Service interfaces support the Interface Stack

Group. Frame Relay Network Service interfaces do not support any

other groups or objects in the Interfaces group of MIB II. Also,

supporting the SNMP Group of MIB II is an implementation choice.

4. Object Definitions

FRNETSERV-MIB DEFINITIONS ::= BEGIN

IMPORTS

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

Counter32, Integer32,

TimeTicks FROM SNMPv2-SMI

DisplayString, PhysAddress,

TimeStamp, RowStatus FROM SNMPv2-TC

MODULE-COMPLIANCE, OBJECT-GROUP FROM SNMPv2-CONF

ifIndex, transmission FROM RFC-1213;

frnetservMIB MODULE-IDENTITY

LAST-UPDATED "9311161200Z"

ORGANIZATION "IETF Frame Relay Network MIB Working Group"

CONTACT-INFO

" Tracy A. Brown

Bellcore

331 Newman Springs Rd.

Red Bank, NJ 07701 USA

Tel: 1-908-758-2107

Fax: 1-908-758-4177

E-mail: tacox@mail.bellcore.com."

DESCRIPTION

"The MIB module to describe generic objects for

Frame Relay Network Service."

::= { transmission 44 }

IfIndex ::= TEXTUAL-CONVENTION

STATUS current

DESCRIPTION

"The value of this object identifies the

interface for which this entry contains

management information. The value of this

object for a particular interface has the same

value as the ifIndex object, defined in RFC

1213, for the same interface."

SYNTAX Integer32

frnetservObjects OBJECT IDENTIFIER ::= { frnetservMIB 1 }

frnetservTraps OBJECT IDENTIFIER ::= { frnetservMIB 2 }

-- The Frame Relay Service Logical Port Group

-- the Frame Relay Logical Port Group

-- This table is an interface specific addendum

-- to the generic ifTable from MIB-II.

frLportTable OBJECT-TYPE

SYNTAX SEQUENCE OF FrLportEntry

MAX-ACCESS not-accessible

STATUS current

DESCRIPTION

"The Frame Relay Logical Port Information table."

::= { frnetservObjects 1 }

frLportEntry OBJECT-TYPE

SYNTAX FrLportEntry

MAX-ACCESS not-accessible

STATUS current

DESCRIPTION

"An entry in the Frame Relay Logical Port

Information table."

INDEX { ifIndex }

::= { frLportTable 1 }

FrLportEntry ::=

SEQUENCE {

frLportNumPlan

INTEGER,

frLportContact

DisplayString,

frLportLocation

DisplayString,

frLportType

INTEGER,

frLportAddrDLCILen

INTEGER,

frLportVCSigProtocol

INTEGER,

frLportVCSigPointer

OBJECT IDENTIFIER

}

frLportNumPlan OBJECT-TYPE

SYNTAX INTEGER {

other(1),

e164(2),

x121(3),

none(4)

}

MAX-ACCESS read-only

STATUS current

DESCRIPTION

"The value of this object identifies the network

address numbering plan for this UNI/NNI logical

port. The network address is the object

ifPhysAddress. The value none implies that there

is no ifPhysAddress. The SNMP proxy-agent will

return an octet string of zero length for

ifPhysAddress. The value other means that an

address has been assigned to this interface, but

the numbering plan is not enumerated here."

::= { frLportEntry 1 }

frLportContact OBJECT-TYPE

SYNTAX DisplayString (SIZE(0..255))

MAX-ACCESS read-only

STATUS current

DESCRIPTION

"The value of this object identifies the network

contact for this UNI/NNI logical port."

::= { frLportEntry 2 }

frLportLocation OBJECT-TYPE

SYNTAX DisplayString (SIZE(0..255))

MAX-ACCESS read-only

STATUS current

DESCRIPTION

"The value of this object identifies the Frame

Relay network location for this UNI/NNI logical

port."

::= { frLportEntry 3 }

frLportType OBJECT-TYPE

SYNTAX INTEGER {

uni(1),

nni(2)

}

MAX-ACCESS read-only

STATUS current

DESCRIPTION

"The value of this object identifies the type of

network interface for this logical port."

::= { frLportEntry 4 }

frLportAddrDLCILen OBJECT-TYPE

SYNTAX INTEGER {

twoOctets10Bits(1),

threeOctets10Bits(2),

threeOctets16Bits(3),

fourOctets17Bits(4),

fourOctets23Bits(5)

}

MAX-ACCESS read-only

STATUS current

DESCRIPTION

"The value of this object identifies the Q.922

Address field length and DLCI length for this

UNI/NNI logical port."

::= { frLportEntry 5 }

frLportVCSigProtocol OBJECT-TYPE

SYNTAX INTEGER {

none(1),

lmi(2),

ansiT1617D(3),

ansiT1617B(4),

ccittQ933A(5)

}

MAX-ACCESS read-only

STATUS current

DESCRIPTION

"The value of this object identifies the Local

In-Channel Signaling Protocol that is used for

this frame relay UNI/NNI logical port."

::= { frLportEntry 6 }

frLportVCSigPointer OBJECT-TYPE

SYNTAX OBJECT IDENTIFIER

MAX-ACCESS read-only

STATUS current

DESCRIPTION

"The value of this object is used as a pointer to

the table that contains the Local In-Channel

Signaling Protocol parameters and errors for this

UNI/NNI logical port. See the Frame Relay

Management VC Signaling Parameters and Errors

Group."

::= { frLportEntry 7 }

-- the Frame Relay Management VC Signaling Group

-- This Group contains managed objects for the

-- Local In-Channel Signaling Parameters and

-- for signaling errors.

frMgtVCSigTable OBJECT-TYPE

SYNTAX SEQUENCE OF FrMgtVCSigEntry

MAX-ACCESS not-accessible

STATUS current

DESCRIPTION

"The Frame Relay Management VC Signaling

Parameters and Errors table."

::= { frnetservObjects 2 }

frMgtVCSigEntry OBJECT-TYPE

SYNTAX FrMgtVCSigEntry

MAX-ACCESS not-accessible

STATUS current

DESCRIPTION

"An entry in the Frame Relay Management VC

Signaling Parameters Errors table."

INDEX { ifIndex }

::= { frMgtVCSigTable 1 }

FrMgtVCSigEntry ::=

SEQUENCE {

frMgtVCSigProced

INTEGER,

frMgtVCSigUserN391

INTEGER,

frMgtVCSigUserN392

INTEGER,

frMgtVCSigUserN393

INTEGER,

frMgtVCSigUserT391

INTEGER,

frMgtVCSigNetN392

INTEGER,

frMgtVCSigNetN393

INTEGER,

frMgtVCSigNetT392

INTEGER,

frMgtVCSigNetnN4

INTEGER,

frMgtVCSigNetnT3

INTEGER,

frMgtVCSigUserLinkRelErrors

Counter32,

frMgtVCSigUserProtErrors

Counter32,

frMgtVCSigUserChanInactive

Counter32,

frMgtVCSigNetLinkRelErrors

Counter32,

frMgtVCSigNetProtErrors

Counter32,

frMgtVCSigNetChanInactive

Counter32

}

frMgtVCSigProced OBJECT-TYPE

SYNTAX INTEGER {

u2nnet(1),

bidirect(2)

}

MAX-ACCESS read-only

STATUS current

DESCRIPTION

"The value of this object identifies the Local

In-Channel Signaling Procedure that is used for

this UNI/NNI logical port. The UNI/NNI logical

port can be performing only user-to-network

network-side procedures or bidirectional

procedures."

::= { frMgtVCSigEntry 1 }

frMgtVCSigUserN391 OBJECT-TYPE

SYNTAX INTEGER (1..255)

MAX-ACCESS read-only

STATUS current

DESCRIPTION

"The value of this object identifies the User-side

N391 full status polling cycle value for this

UNI/NNI logical port. If the logical port is not

performing user-side procedures, then this value

is equal to noSuchName. This object applies to

Q.933 Annex A and T1.617 Annex D."

DEFVAL { 6 }

::= { frMgtVCSigEntry 2 }

frMgtVCSigUserN392 OBJECT-TYPE

SYNTAX INTEGER (1..10)

MAX-ACCESS read-only

STATUS current

DESCRIPTION

"The value of this object identifies the User-side

N392 error threshold value for this UNI/NNI

logical port. If the logical port is not

performing user-side procedures, then this value

is equal to noSuchName. This object applies to

Q.933 Annex A and T1.617 Annex D."

DEFVAL { 3 }

::= { frMgtVCSigEntry 3 }

frMgtVCSigUserN393 OBJECT-TYPE

SYNTAX INTEGER (1..10)

MAX-ACCESS read-only

STATUS current

DESCRIPTION

"The value of this object identifies the User-side

N393 monitored events count value for this UNI/NNI

logical port. If the logical port is not

performing user-side procedures, then this value

is equal to noSuchName. This object applies to

Q.933 Annex A and T1.617 Annex D."

DEFVAL { 4 }

::= { frMgtVCSigEntry 4 }

frMgtVCSigUserT391 OBJECT-TYPE

SYNTAX INTEGER (5..30)

MAX-ACCESS read-only

STATUS current

DESCRIPTION

"The value of this object identifies the User-side

T391 link integrity verification polling timer

value for this UNI/NNI logical port. If the

logical port is not performing user-side

procedures, then this value is equal to

noSuchName. This object applies to Q.933 Annex A

and T1.617 Annex D."

DEFVAL { 10 }

::= { frMgtVCSigEntry 5 }

frMgtVCSigNetN392 OBJECT-TYPE

SYNTAX INTEGER (1..10)

MAX-ACCESS read-only

STATUS current

DESCRIPTION

"The value of this object identifies the Network-

side N392 error threshold value (nN2 for LMI) for

this UNI/NNI logical port. If the logical port is

not performing network-side procedures, then this

value is equal to noSuchName. This object applies

to Q.933 Annex A, T1.617 Annex D and LMI."

DEFVAL { 3 }

::= { frMgtVCSigEntry 6 }

frMgtVCSigNetN393 OBJECT-TYPE

SYNTAX INTEGER (1..10)

MAX-ACCESS read-only

STATUS current

DESCRIPTION

"The value of this object identifies the Network-

side N393 monitored events count value (nN3 for

LMI) for this UNI/NNI logical port. If the

logical port is not performing network-side

procedures, then this value is equal to

noSuchName. This object applies to Q.933 Annex A,

T1.617 Annex D and LMI."

DEFVAL { 4 }

::= { frMgtVCSigEntry 7 }

frMgtVCSigNetT392 OBJECT-TYPE

SYNTAX INTEGER (5..30)

MAX-ACCESS read-only

STATUS current

DESCRIPTION

"The value of this object identifies the Network-

side T392 polling verification timer value (nT2

for LMI) for this UNI/NNI logical port. If the

logical port is not performing network-side

procedures, then this value is equal to

noSuchName. This object applies to Q.933 Annex A,

T1.617 Annex D and LMI."

DEFVAL { 15 }

::= { frMgtVCSigEntry 8 }

frMgtVCSigNetnN4 OBJECT-TYPE

SYNTAX INTEGER (5..5)

MAX-ACCESS read-only

STATUS current

DESCRIPTION

"The value of this object identifies the Network-

side nN4 maximum status enquires received value

for this UNI/NNI logical port. If the logical

port is not performing network-side procedures or

is not performing LMI procedures, then this value

is equal to noSuchName. This object applies only

to LMI and always has a value of 5."

::= { frMgtVCSigEntry 9 }

frMgtVCSigNetnT3 OBJECT-TYPE

SYNTAX INTEGER (5 10 15 20 25 30)

MAX-ACCESS read-only

STATUS current

DESCRIPTION

"The value of this object identifies the Network-

side nT3 timer (for nN4 status enquires received)

value for this UNI/NNI logical port. If the

logical port is not performing network-side

procedures or is not performing LMI procedures,

then this value is equal to noSuchName. This

object applies only to LMI."

DEFVAL { 20 }

::= { frMgtVCSigEntry 10 }

frMgtVCSigUserLinkRelErrors OBJECT-TYPE

SYNTAX Counter32

MAX-ACCESS read-only

STATUS current

DESCRIPTION

"The number of user-side local in-channel

signaling link reliability errors (i.e., non-

receipt of Status/Status Enquiry messages or

invalid sequence numbers in a Link Integrity

Verification Information Element) for this UNI/NNI

logical port. If the logical port is not

performing user-side procedures, then this value

is equal to noSuchName."

::= { frMgtVCSigEntry 11 }

frMgtVCSigUserProtErrors OBJECT-TYPE

SYNTAX Counter32

MAX-ACCESS read-only

STATUS current

DESCRIPTION

"The number of user-side local in-channel

signaling protocol errors (i.e., protocol

discriminator, message type, call reference, and

mandatory information element errors) for this

UNI/NNI logical port. If the logical port is not

performing user-side procedures, then this value

is equal to noSuchName."

::= { frMgtVCSigEntry 12 }

frMgtVCSigUserChanInactive OBJECT-TYPE

SYNTAX Counter32

MAX-ACCESS read-only

STATUS current

DESCRIPTION

"The number of times the user-side channel was

declared inactive (i.e., N392 errors in N393

events) for this UNI/NNI logical port. If the

logical port is not performing user-side

procedures, then this value is equal to

noSuchName."

::= { frMgtVCSigEntry 13 }

frMgtVCSigNetLinkRelErrors OBJECT-TYPE

SYNTAX Counter32

MAX-ACCESS read-only

STATUS current

DESCRIPTION

"The number of network-side local in-channel

signaling link reliability errors (i.e., non-

receipt of Status/Status Enquiry messages or

invalid sequence numbers in a Link Integrity

Verification Information Element) for this UNI/NNI

logical port. If the logical port is not

performing network-side procedures, then this

value is equal to noSuchName."

::= { frMgtVCSigEntry 14 }

frMgtVCSigNetProtErrors OBJECT-TYPE

SYNTAX Counter32

MAX-ACCESS read-only

STATUS current

DESCRIPTION

"The number of network-side local in-channel

signaling protocol errors (i.e., protocol

discriminator, message type, call reference, and

mandatory information element errors) for this

UNI/NNI logical port. If the logical port is not

performing network-side procedures, then this

value is equal to noSuchName."

::= { frMgtVCSigEntry 15 }

frMgtVCSigNetChanInactive OBJECT-TYPE

SYNTAX Counter32

MAX-ACCESS read-only

STATUS current

DESCRIPTION

"The number of times the network-side channel was

declared inactive (i.e., N392 errors in N393

events) for this UNI/NNI logical port. If the

logical port is not performing network-side

procedures, then this value is equal to

noSuchName."

::= { frMgtVCSigEntry 16 }

-- The PVC End-Point Group

-- This table is used to identify the traffic parameters

-- for a bi-directional PVC segment end-point, and it also

-- provides statistics for a PVC segment

-- end-point.

-- A PVC segment end-point is identified by a UNI/NNI

-- logical port index value and DLCI index value.

-- If the Frame Relay service provider allows

-- the Frame Relay CNM subscriber to create, modify

-- or delete PVCs using SNMP, then this table is used to identify

-- and reserve

-- the requested traffic parameters of each

-- PVC segment end-point. The Connection table

-- is used to "connect" the end-points together.

-- Not all implementations will support the

-- capability of creating/modifying/deleting

-- PVCs using SNMP as a feature of Frame Relay

-- CNM service.

-- Uni-directional PVCs are modeled with zero

-- valued traffic parameters in one of the

-- directions (In or Out direction) in this table.

-- To create a PVC, the following procedures

-- shall be followed:

-- 1). Create the entries for the PVC segment endpoints in the

-- frPVCEndptTable by specifying the traffic parameters

-- for the bi-directional PVC segment endpoints.

-- As shown in the figure, a point-to-point PVC has

-- two endpoints, thus two entries in this table.

-- Uni-directional PVCs are modeled

-- with zero valued traffic parameters in one

-- direction; all the `In' direction parameters

-- for one Frame Relay PVC End-point or

-- all the `Out' direction

-- parameters for the other Frame Relay PVC

-- End-point.

-- In ____________________________________ Out

-- >>>>>> >>>>>>>>

-- ______ Frame Relay Network __________

-- Out In

-- <<<<<< <<<<<<<<

-- ___________________________________

-- Frame Relay PVC Frame Relay

-- End-point PVC End-point

-- 2). Go to the Frame Relay Connection Group.

--

-- The Frame Relay PVC End-point Table

frPVCEndptTable OBJECT-TYPE

SYNTAX SEQUENCE OF FrPVCEndptEntry

MAX-ACCESS not-accessible

STATUS current

DESCRIPTION

"The Frame Relay PVC End-Point table. This table

is used to model a PVC end-point. This table

contains the traffic parameters and statistics for

a PVC end-point."

::= { frnetservObjects 3 }

frPVCEndptEntry OBJECT-TYPE

SYNTAX FrPVCEndptEntry

MAX-ACCESS not-accessible

STATUS current

DESCRIPTION

"An entry in the Frame Relay PVC Endpoint table."

INDEX { ifIndex, frPVCEndptDLCIIndex }

::= { frPVCEndptTable 1 }

FrPVCEndptEntry ::=

SEQUENCE {

frPVCEndptDLCIIndex

Integer32,

frPVCEndptInMaxFrameSize

Integer32,

frPVCEndptInBc

Integer32,

frPVCEndptInBe

Integer32,

frPVCEndptInCIR

Integer32,

frPVCEndptOutMaxFrameSize

Integer32,

frPVCEndptOutBc

Integer32,

frPVCEndptOutBe

Integer32,

frPVCEndptOutCIR

Integer32,

frPVCEndptConnectIdentifier

Integer32,

frPVCEndptRowStatus

RowStatus,

frPVCEndptRcvdSigStatus

INTEGER,

frPVCEndptInFrames

Counter32,

frPVCEndptOutFrames

Counter32,

frPVCEndptInDEFrames

Counter32,

frPVCEndptInExcessFrames

Counter32,

frPVCEndptOutExcessFrames

Counter32,

frPVCEndptInDiscards

Counter32,

frPVCEndptInOctets

Counter32,

frPVCEndptOutOctets

Counter32

}

frPVCEndptDLCIIndex OBJECT-TYPE

SYNTAX Integer32

MAX-ACCESS not-accessible

STATUS current

DESCRIPTION

"The value of this object is equal to the DLCI

value for this PVC end-point."

::= { frPVCEndptEntry 1 }

frPVCEndptInMaxFrameSize OBJECT-TYPE

SYNTAX Integer32

MAX-ACCESS read-create

STATUS current

DESCRIPTION

"The value of this object is the size in octets of

the largest frame relay information field for this

PVC end-point in the ingress direction (into the

frame relay network). The value of

frPVCEndptInMaxFrameSize must be less than or

equal to the corresponding ifMtu for this Frame

Relay UNI/NNI logical port."

::= { frPVCEndptEntry 2 }

frPVCEndptInBc OBJECT-TYPE

SYNTAX Integer32

MAX-ACCESS read-create

STATUS current

DESCRIPTION

"The value of this object is equal to the

committed burst size (Bc) parameter (measured in

bits) for this PVC end-point in the ingress

direction (into the frame relay network)."

::= { frPVCEndptEntry 3 }

frPVCEndptInBe OBJECT-TYPE

SYNTAX Integer32

MAX-ACCESS read-create

STATUS current

DESCRIPTION

"The value of this object is equal to the excess

burst size (Be) parameter (measured in bits) for

this PVC end-point in the ingress direction (into

the frame relay network)."

::= { frPVCEndptEntry 4 }

frPVCEndptInCIR OBJECT-TYPE

SYNTAX Integer32

MAX-ACCESS read-create

STATUS current

DESCRIPTION

"The value of this object is equal to the

committed information rate (CIR) parameter

(measured in bits per second) for this PVC end-

point in the ingress direction (into the frame

relay network)."

::= { frPVCEndptEntry 5 }

frPVCEndptOutMaxFrameSize OBJECT-TYPE

SYNTAX Integer32

MAX-ACCESS read-create

STATUS current

DESCRIPTION

"The value of this object is the size in octets of

the largest frame relay information field for this

PVC end-point in the egress direction (out of the

frame relay network). The value of

frPVCEndptOutMaxFrameSize must be less than or

equal to the corresponding ifMtu for this Frame

Relay UNI/NNI logical port."

::= { frPVCEndptEntry 6 }

frPVCEndptOutBc OBJECT-TYPE

SYNTAX Integer32

MAX-ACCESS read-create

STATUS current

DESCRIPTION

"The value of this object is equal to the

committed burst size (Bc) parameter (measured in

bits) for this PVC end-point in the egress

direction (out of the frame relay network)."

::= { frPVCEndptEntry 7 }

frPVCEndptOutBe OBJECT-TYPE

SYNTAX Integer32

MAX-ACCESS read-create

STATUS current

DESCRIPTION

"The value of this object is equal to the excess

burst size (Be) parameter (measured in bits) for

this PVC end-point in the egress direction (out of

the frame relay network)."

::= { frPVCEndptEntry 8 }

frPVCEndptOutCIR OBJECT-TYPE

SYNTAX Integer32

MAX-ACCESS read-create

STATUS current

DESCRIPTION

"The value of this object is equal to the

committed information rate (CIR) parameter

(measured in bits per second) for this PVC end-

point in the egress direction (out of the frame

relay network)."

::= { frPVCEndptEntry 9 }

frPVCEndptConnectIdentifier OBJECT-TYPE

SYNTAX Integer32

MAX-ACCESS read-only

STATUS current

DESCRIPTION

"This object is used to associate PVC end-points

as being part of one PVC segment connection. This

value of this object is equal to the value of

frPVCConnectIndex, which is used as one of the

indices into the frPVCConnectTable. The value of

this object is provided by the agent, after the

associated entries in the frPVCConnectTable have

been created."

::= { frPVCEndptEntry 10 }

frPVCEndptRowStatus OBJECT-TYPE

SYNTAX RowStatus

MAX-ACCESS read-create

STATUS current

DESCRIPTION

"This object is used to create new rows in this

table, modify existing rows, and to delete

existing rows. To create a new PVC, the entries

for the PVC segment end-points in the

frPVCEndptTable must first be created. Next, the

frPVCConnectTable is used to associate the Frame

Relay PVC segment end-points. In order for the

manager to have the necessary error diagnostics,

the frPVCEndptRowStatus object must initially be

set to `createAndWait'. While the

frPVCEndptRowStatus object is in the

`createAndWait' state, the manager can set each

columnar object and get the necessary error

diagnostics. The frPVCEndptRowStatus object may

not be set to `active' unless the following

columnar objects exist in this row:

frPVCEndptInMaxFrameSize, frPVCEndptInBc,

frPVCEndptInBe, frPVCEndptInCIR,

frPVCEndptOutMaxFrameSize, frPVCEndptOutBc,

frPVCEndptOutBe, and frPVCEndptOutCIR."

::= { frPVCEndptEntry 11 }

frPVCEndptRcvdSigStatus OBJECT-TYPE

SYNTAX INTEGER {

deleted(1),

active(2),

inactive(3),

none(4)

}

MAX-ACCESS read-only

STATUS current

DESCRIPTION

"The value of this object identifies the PVC

status received via the local in-channel signaling

procedures for this PVC end-point. This object is

only pertinent for interfaces that perform the

bidirectional procedures. For user-to-network

network side procedures, the value of this object

should be none."

::= { frPVCEndptEntry 12 }

frPVCEndptInFrames OBJECT-TYPE

SYNTAX Counter32

MAX-ACCESS read-only

STATUS current

DESCRIPTION

"The number of frames received by the network

(ingress) for this PVC end-point. This includes

any frames discarded by the network due to

submitting more than Bc + Be data or due to any

network congestion recovery procedures."

::= { frPVCEndptEntry 13 }

frPVCEndptOutFrames OBJECT-TYPE

SYNTAX Counter32

MAX-ACCESS read-only

STATUS current

DESCRIPTION

"The number of frames sent by the network (egress)

regardless of whether they are Bc or Be frames for

this PVC end-point."

::= { frPVCEndptEntry 14 }

frPVCEndptInDEFrames OBJECT-TYPE

SYNTAX Counter32

MAX-ACCESS read-only

STATUS current

DESCRIPTION

"The number of frames received by the network

(ingress) with the DE bit set to (1) for this PVC

end-point."

::= { frPVCEndptEntry 15 }

frPVCEndptInExcessFrames OBJECT-TYPE

SYNTAX Counter32

MAX-ACCESS read-only

STATUS current

DESCRIPTION

"The number of frames received by the network

(ingress) for this PVC end-point which were

treated as excess traffic. Frames which are sent

to the network with DE set to zero are treated as

excess when more than Bc bits are submitted to the

network during the Committed Information Rate

Measurement Interval (Tc). Excess traffic may or

may not be discarded at the ingress if more than

Bc + Be bits are submitted to the network during

Tc. Traffic discarded at the ingress is not

recorded in frPVCEndptInExcessFrames. Frames

which are sent to the network with DE set to one

are also treated as excess traffic."

::= { frPVCEndptEntry 16 }

frPVCEndptOutExcessFrames OBJECT-TYPE

SYNTAX Counter32

MAX-ACCESS read-only

STATUS current

DESCRIPTION

"The number of frames sent by the network (egress)

for this PVC end-point which were treated as

excess traffic. (The DE bit may be set to one.)"

::= { frPVCEndptEntry 17 }

frPVCEndptInDiscards OBJECT-TYPE

SYNTAX Counter32

MAX-ACCESS read-only

STATUS current

DESCRIPTION

"The number of frames received by the the network

(ingress) that were discarded due to traffic

enforcement for this PVC end-point."

::= { frPVCEndptEntry 18 }

frPVCEndptInOctets OBJECT-TYPE

SYNTAX Counter32

MAX-ACCESS read-only

STATUS current

DESCRIPTION

"The number of octets received by the network

(ingress) for this PVC end-point. This counter

should only count octets from the beginning of the

frame relay header field to the end of user data.

If the network supporting Frame Relay can not

count octets, then this count should be an

approximation."

::= { frPVCEndptEntry 19 }

frPVCEndptOutOctets OBJECT-TYPE

SYNTAX Counter32

MAX-ACCESS read-only

STATUS current

DESCRIPTION

"The number of octets sent by the network (egress)

for this PVC end-point. This counter should only

count octets from the beginning of the frame relay

header field to the end of user data. If the

network supporting Frame Relay can not count

octets, then this count should be an

approximation."

::= { frPVCEndptEntry 20 }

-- The Frame Relay PVC Connection Group

-- The Frame Relay PVC Connection Group

-- is used to model the bi-directional

-- PVC segment flows;

-- point-to-point PVCs, point-to-multipoint

-- PVCs, and multipoint-to-multipoint

-- PVCs.

-- This table has read-create access and

-- is used to associate PVC end-points

-- together as belonging to one connection.

-- The frPVCConnectIndex is used to associate

-- all the bi-directional flows.

-- Not all implementations will support the

-- capability of creating/modifying/deleting

-- PVCs using SNMP as a feature of Frame Relay

-- CNM service.

-- Once the entries in the frPVCEndptTable

-- are created, the following step are used

-- to associate the PVC end-points as belonging

-- to one PVC connection:

-- 1). Obtain a unique frPVCConnectIndex

-- using the frPVCConnectIndexValue object.

-- 2). Connect the PVC segment endpoints together

-- with the applicable frPVCConnectIndex value

-- obtained via

-- frPVCConnectIndexValue.

-- The entries in this table are created by using

-- the frPVCConnectRowStatus object.

-- 3). The agent will provide the value of the

-- corresponding instances of

-- frPVCEndptConnectIdentifier with the

-- the frPVCConnectIndex value.

-- 4). Set frPVCConnectAdminStatus to `active' in all

-- rows for this PVC segment to

-- turn the PVC on.

-- For example, the Frame Relay PVC Connection Group

-- models a bi-directional, point-to-point PVC segment

-- as one entry in this table.

-- Frame Relay Network Frame Relay Network

-- Low Port ____________________________________ High Port

--

-- ______ >> from low to high PVC flow >> ____________

-- << from high to low PVC flow <<

-- ___________________________________

--

-- The terms low and high are chosen to represent numerical

-- ordering of a PVC segment's endpoints for representation

-- in this table. That is, the endpoint with the lower value

-- of ifIndex is termed 'low', while the opposite endpoint

-- of the segment is termed 'high'.

-- This terminology is to provide directional information;

-- for example the frPVCConnectL2hOperStatus and

-- frPVCConnectH2lOperStatus as illustrated above.

-- If the Frame Relay Connection table is used to model

-- a unidirectional PVC, then one direction (either from low to high

-- or from high to low) has its Operational Status equal to down.

-- A PVC segment is a portion of a PVC

-- that traverses one Frame Relay Network, and

-- a PVC segment is identified

-- by its two end-points (UNI/NNI logical port index

-- value and DLCI index value)

-- through one Frame Relay Network.

frPVCConnectIndexValue OBJECT-TYPE

SYNTAX INTEGER (0..2147483647)

MAX-ACCESS read-only

STATUS current

DESCRIPTION

"This object contains an appropriate value to be

used for frPVCConnectIndex when creating entries

in the frPVCConnectTable. The value 0 indicates

that no unassigned entries are available. To

obtain the frPVCConnectIndex value for a new

entry, the manager issues a management protocol

retrieval operation to obtain the current value of

this object. After each retrieval, the agent

should modify the value to the next unassigned

index."

::= { frnetservObjects 4 }

-- The Frame Relay PVC Connection Table

frPVCConnectTable OBJECT-TYPE

SYNTAX SEQUENCE OF FrPVCConnectEntry

MAX-ACCESS not-accessible

STATUS current

DESCRIPTION

"The Frame Relay PVC Connect table. A bi-

directional PVC segment is modeled as one entry in

this table."

::= { frnetservObjects 5 }

frPVCConnectEntry OBJECT-TYPE

SYNTAX FrPVCConnectEntry

MAX-ACCESS not-accessible

STATUS current

DESCRIPTION

"An entry in the Frame Relay PVC Connect table.

This entry is used to model a PVC segment in two

directions."

INDEX { frPVCConnectIndex,

frPVCConnectLowIfIndex, frPVCConnectLowDLCIIndex,

frPVCConnectHighIfIndex, frPVCConnectHighDLCIIndex }

::= { frPVCConnectTable 1 }

FrPVCConnectEntry ::=

SEQUENCE {

frPVCConnectIndex

Integer32,

frPVCConnectLowIfIndex

IfIndex,

frPVCConnectLowDLCIIndex

Integer32,

frPVCConnectHighIfIndex

IfIndex,

frPVCConnectHighDLCIIndex

Integer32,

frPVCConnectAdminStatus

INTEGER,

frPVCConnectL2hOperStatus

INTEGER,

frPVCConnectH2lOperStatus

INTEGER,

frPVCConnectL2hLastChange

TimeStamp,

frPVCConnectH2lLastChange

TimeStamp,

frPVCConnectRowStatus

RowStatus

}

frPVCConnectIndex OBJECT-TYPE

SYNTAX Integer32

MAX-ACCESS not-accessible

STATUS current

DESCRIPTION

"The value of this object is equal to the

frPVCConnectIndexValue obtained to uniquely

identify this PVC segment connection."

::= { frPVCConnectEntry 1 }

frPVCConnectLowIfIndex OBJECT-TYPE

SYNTAX IfIndex

MAX-ACCESS not-accessible

STATUS current

DESCRIPTION

"The value of this object is equal to MIB II's

ifIndex value of the UNI/NNI logical port for this

PVC segment. The term low implies that this PVC

segment end-point has the numerically lower

ifIndex value than the connected/associated PVC

segment end-point. If the value is equal to zero,

then this logical port is not a Frame Relay

UNI/NNI logical port."

::= { frPVCConnectEntry 2 }

frPVCConnectLowDLCIIndex OBJECT-TYPE

SYNTAX Integer32

MAX-ACCESS not-accessible

STATUS current

DESCRIPTION

"The value of this object is equal to the DLCI

value for this end-point of the PVC segment. If

the value is equal to zero, then this endpoint of

the PVC segment is not a Frame Relay connection."

::= { frPVCConnectEntry 3 }

frPVCConnectHighIfIndex OBJECT-TYPE

SYNTAX IfIndex

MAX-ACCESS not-accessible

STATUS current

DESCRIPTION

"The value of this object is equal to MIB II's

ifIndex value for the UNI/NNI logical port for

this PVC segment. The term high implies that this

PVC segment end-point has the numerically higher

ifIndex value than the connected/associated PVC

segment end-point."

::= { frPVCConnectEntry 4 }

frPVCConnectHighDLCIIndex OBJECT-TYPE

SYNTAX Integer32

MAX-ACCESS not-accessible

STATUS current

DESCRIPTION

"The value of this object is equal to the egress

DLCI value for this end-point of the PVC segment."

::= { frPVCConnectEntry 5 }

frPVCConnectAdminStatus OBJECT-TYPE

SYNTAX INTEGER {

active(1),

inactive(2),

testing(3)

}

MAX-ACCESS read-create

STATUS current

DESCRIPTION

"The value of this object identifies the desired

administrative status of this bi-directional PVC

segment. The active state means the PVC segment

is currently operational; the inactive state means

the PVC segment is currently not operational; the

testing state means the PVC segment is currently

undergoing a test. This state is set by an

administrative entity. This value affects the PVC

status indicated across the ingress NNI/UNI of

both end-points of the bi-directional PVC segment.

When a PVC segment connection is created using

this table, this object is initially set to

`inactive'. After the frPVCConnectRowStatus

object is set to `active' (and the

corresponding/associated entries in the

frPVCEndptTable have their frPVCEndptRowStatus

object set to `active'), the

frPVCConnectAdminStatus object may be set to

`active' to turn on the PVC segment connection."

::= { frPVCConnectEntry 6 }

frPVCConnectL2hOperStatus OBJECT-TYPE

SYNTAX INTEGER {

active(1),

inactive(2),

testing(3),

unknown(4)

}

MAX-ACCESS read-only

STATUS current

DESCRIPTION

"The value of this object identifies the current

operational status of the PVC segment connection

in one direction; (i.e., in the low to high

direction). The active state means it is

currently operational; the inactive state means it

is currently not operational; the testing state

means it is currently undergoing a test; the

unknown state means the status of it currently can

not be determined. This value affects the PVC

status indicated across the ingress NNI/UNI (low

side) of the PVC segment."

::= { frPVCConnectEntry 7 }

frPVCConnectH2lOperStatus OBJECT-TYPE

SYNTAX INTEGER {

active(1),

inactive(2),

testing(3),

unknown(4)

}

MAX-ACCESS read-only

STATUS current

DESCRIPTION

"The value of this object identifies the current

operational status of the PVC segment connection

in one direction; (i.e., in the high to low

direction). The active state means it is

currently operational; the inactive state means it

is currently not operational; the testing state

means it is currently undergoing a test; the

unknown state means the status of it currently can

not be determined. This value affects the PVC

status indicated across the ingress NNI/UNI (high

side) of the PVC segment."

::= { frPVCConnectEntry 8 }

frPVCConnectL2hLastChange OBJECT-TYPE

SYNTAX TimeStamp

MAX-ACCESS read-only

STATUS current

DESCRIPTION

"The value of MIB II's sysUpTime object at the

time this PVC segment entered its current

operational state in the low to high direction.

If the current state was entered prior to the last

re-initialization of the proxy-agent, then this

object contains a zero value."

::= { frPVCConnectEntry 9 }

frPVCConnectH2lLastChange OBJECT-TYPE

SYNTAX TimeStamp

MAX-ACCESS read-only

STATUS current

DESCRIPTION

"The value of MIB II's sysUpTime object at the

time this PVC segment entered its current

operational state in the high to low direction.

If the current state was entered prior to the last

re-initialization of the proxy-agent, then this

object contains a zero value."

::= { frPVCConnectEntry 10 }

frPVCConnectRowStatus OBJECT-TYPE

SYNTAX RowStatus

MAX-ACCESS read-create

STATUS current

DESCRIPTION

"The status of this entry in the

frPVCConnectTable. This variable is used to

create new connections for the PVC end-points and

to change existing connections of the PVC end-

points. This object must be initially set to

`createAndWait'. In this state, the agent checks

the parameters in the associated entries in the

frPVCEndptTable to verify that the PVC end-points

can be connected (i.e., the In parameters for one

PVC end-point are equal to the Out parameters for

the other PVC end-point). This object can not be

set to `active' unless the following columnar

object exist in this row: frPVCConnectAdminStatus.

The agent also supplies the associated value of

frPVCConnectIndex for the frPVCEndptConnectIdentifier

instances. To turn on a PVC segment connection, the

frPVCConnectAdminStatus is set to `active'."

::= { frPVCConnectEntry 11 }

-- The Frame Relay Accounting Groups

-- The groups are the following:

-- Accounting on a PVC basis

-- Accounting on an Interface/Logical Port basis

-- The Accounting on a Frame Relay PVC basis Group

-- The accounting information is collected for a PVC

-- segment end-point.

frAccountPVCTable OBJECT-TYPE

SYNTAX SEQUENCE OF FrAccountPVCEntry

MAX-ACCESS not-accessible

STATUS current

DESCRIPTION

"The Frame Relay Accounting PVC table. This table

is used to perform accounting on a PVC segment

end-point basis."

::= { frnetservObjects 6 }

frAccountPVCEntry OBJECT-TYPE

SYNTAX FrAccountPVCEntry

MAX-ACCESS not-accessible

STATUS current

DESCRIPTION

"An entry in the Frame Relay Accounting PVC

table."

INDEX { ifIndex, frAccountPVCDLCIIndex }

::= { frAccountPVCTable 1 }

FrAccountPVCEntry ::=

SEQUENCE {

frAccountPVCDLCIIndex

Integer32,

frAccountPVCSegmentSize

Integer32,

frAccountPVCInSegments

Counter32,

frAccountPVCOutSegments

Counter32

}

frAccountPVCDLCIIndex OBJECT-TYPE

SYNTAX Integer32

MAX-ACCESS not-accessible

STATUS current

DESCRIPTION

"The value of this object is equal to the DLCI

value for this PVC segment end-point."

::= { frAccountPVCEntry 1 }

frAccountPVCSegmentSize OBJECT-TYPE

SYNTAX Integer32

MAX-ACCESS read-only

STATUS current

DESCRIPTION

"The value of this object is equal to the Segment

Size for this PVC segment end-point."

::= { frAccountPVCEntry 2 }

frAccountPVCInSegments OBJECT-TYPE

SYNTAX Counter32

MAX-ACCESS read-only

STATUS current

DESCRIPTION

"The value of this object is equal to the number

of segments received by this PVC segment end-

point."

::= { frAccountPVCEntry 3 }

frAccountPVCOutSegments OBJECT-TYPE

SYNTAX Counter32

MAX-ACCESS read-only

STATUS current

DESCRIPTION

"The value of this object is equal to the number

of segments sent by this PVC segment end-point."

::= { frAccountPVCEntry 4 }

-- The Accounting on a Frame Relay Logical Port basis Group

frAccountLportTable OBJECT-TYPE

SYNTAX SEQUENCE OF FrAccountLportEntry

MAX-ACCESS not-accessible

STATUS current

DESCRIPTION

"The Frame Relay Accounting Logical Port table.

This table is used to perform accounting on a

UNI/NNI Logical Port basis."

::= { frnetservObjects 7 }

frAccountLportEntry OBJECT-TYPE

SYNTAX FrAccountLportEntry

MAX-ACCESS not-accessible

STATUS current

DESCRIPTION

"An entry in the Frame Relay Accounting Logical

Port table."

INDEX { ifIndex }

::= { frAccountLportTable 1 }

FrAccountLportEntry ::=

SEQUENCE {

frAccountLportSegmentSize

Integer32,

frAccountLportInSegments

Counter32,

frAccountLportOutSegments

Counter32

}

frAccountLportSegmentSize OBJECT-TYPE

SYNTAX Integer32

MAX-ACCESS read-only

STATUS current

DESCRIPTION

"The value of this object is equal to the Segment

Size for this UNI/NNI logical port."

::= { frAccountLportEntry 1 }

frAccountLportInSegments OBJECT-TYPE

SYNTAX Counter32

MAX-ACCESS read-only

STATUS current

DESCRIPTION

"The value of this object is equal to the number

of segments received by this UNI/NNI logical

port."

::= { frAccountLportEntry 2 }

frAccountLportOutSegments OBJECT-TYPE

SYNTAX Counter32

MAX-ACCESS read-only

STATUS current

DESCRIPTION

"The value of this object is equal to the number

of segments sent by this UNI/NNI logical port."

::= { frAccountLportEntry 3 }

-- Frame Relay Network Service TRAPS

frPVCConnectStatusChange NOTIFICATION-TYPE

OBJECTS { frPVCConnectIndex,

frPVCConnectLowIfIndex, frPVCConnectLowDLCIIndex,

frPVCConnectHighIfIndex, frPVCConnectHighDLCIIndex,

frPVCConnectL2hOperStatus, frPVCConnectH2lOperStatus,

frPVCEndptRcvdSigStatus }

STATUS current

DESCRIPTION

"This trap indicates that the indicated PVC has

changed state. This trap is not sent if an FR-UNI

changes state; a linkDown or linkUp trap should be

sent instead."

::= { frnetservTraps 1 }

-- Conformance Information

frnetservConformance OBJECT IDENTIFIER ::= { frnetservMIB 3 }

frnetservGroups OBJECT IDENTIFIER ::= { frnetservConformance 1 }

frnetservCompliances OBJECT IDENTIFIER ::= { frnetservConformance 2 }

-- Compliance Statements

frnetservCompliance MODULE-COMPLIANCE

STATUS current

DESCRIPTION

"The compliance statement for SNMPv2 entities

which have Frame Relay Network Service Interfaces."

MODULE -- this module

MANDATORY-GROUPS { frnetservLportGroup,

frnetservMgtVCSigGroup,

frnetservPVCEndptGroup,

frnetservPVCConnectGroup }

GROUP frnetservAccountPVCGroup

DESCRIPTION

"This group is optional for Frame Relay interfaces.

It is

mandatory if and only if accounting is performed

on a PVC

basis this

Frame Relay interface."

GROUP frnetservAccountLportGroup

DESCRIPTION

"This group is optional for Frame Relay interfaces.

It is

mandatory if and only if accounting is

performed on a

logical port basis this

Frame Relay interface."

OBJECT frPVCEndptInMaxFrameSize

SYNTAX Integer32

MIN-ACCESS read-only

DESCRIPTION

"Write access is not required."

OBJECT frPVCEndptInBc

SYNTAX Integer32

MIN-ACCESS read-only

DESCRIPTION

"Write access is not required."

OBJECT frPVCEndptInBe

SYNTAX Integer32

MIN-ACCESS read-only

DESCRIPTION

"Write access is not required."

OBJECT frPVCEndptInCIR

SYNTAX Integer32

MIN-ACCESS read-only

DESCRIPTION

"Write access is not required."

OBJECT frPVCEndptOutMaxFrameSize

SYNTAX Integer32

MIN-ACCESS read-only

DESCRIPTION

"Write access is not required."

OBJECT frPVCEndptOutBc

SYNTAX Integer32

MIN-ACCESS read-only

DESCRIPTION

"Write access is not required."

OBJECT frPVCEndptOutBe

SYNTAX Integer32

MIN-ACCESS read-only

DESCRIPTION

"Write access is not required."

OBJECT frPVCEndptOutCIR

SYNTAX Integer32

MIN-ACCESS read-only

DESCRIPTION

"Write access is not required."

OBJECT frPVCEndptConnectIdentifier

SYNTAX Integer32

MIN-ACCESS read-only

DESCRIPTION

"Write access is not required."

OBJECT frPVCEndptRowStatus

SYNTAX INTEGER { active(1) } -- subset of RowStatus

MIN-ACCESS read-only

DESCRIPTION

"Write access is not required, and only one of the

six enumerated values for the RowStatus textual

convention need be supported, specifically:

active(1)."

OBJECT frPVCConnectAdminStatus

SYNTAX INTEGER {

active(1),

inactive(2),

testing(3)

}

MIN-ACCESS read-only

DESCRIPTION

"Write access is not required."

OBJECT frPVCConnectRowStatus

SYNTAX INTEGER { active(1) } -- subset of RowStatus

MIN-ACCESS read-only

DESCRIPTION

"Write access is not required."

OBJECT frPVCConnectRowStatus

SYNTAX INTEGER { active(1) } -- subset of RowStatus

MIN-ACCESS read-only

DESCRIPTION

"Write access is not required, and only one of the

six enumerated values for the RowStatus textual

convention need be supported, specifically:

active(1)."

::= { frnetservCompliances 1 }

-- Units of Conformance

frnetservLportGroup OBJECT-GROUP

OBJECTS { frLportNumPlan, frLportContact, frLportLocation,

frLportType,

frLportAddrDLCILen, frLportVCSigProtocol,

frLportVCSigPointer }

STATUS current

DESCRIPTION

"A collection of objects providing information applicable

to a Frame Relay Logical Port."

::= { frnetservGroups 1 }

frnetservMgtVCSigGroup OBJECT-GROUP

OBJECTS { frMgtVCSigProced,

frMgtVCSigUserN391,

frMgtVCSigUserN392,

frMgtVCSigUserN393,

frMgtVCSigUserT391,

frMgtVCSigNetN392,

frMgtVCSigNetN393,

frMgtVCSigNetT392,

frMgtVCSigNetnN4,

frMgtVCSigNetnT3,

frMgtVCSigUserLinkRelErrors,

frMgtVCSigUserProtErrors,

frMgtVCSigUserChanInactive,

frMgtVCSigNetLinkRelErrors,

frMgtVCSigNetProtErrors,

frMgtVCSigNetChanInactive }

STATUS current

DESCRIPTION

"A collection of objects providing information

applicable to the

Local In-Channel Signaling Procedures used for a

UNI/NNI logical port."

::= { frnetservGroups 2 }

frnetservPVCEndptGroup OBJECT-GROUP

OBJECTS { frPVCConnectIndexValue,

frPVCEndptInMaxFrameSize, frPVCEndptInBc,

frPVCEndptInBe, frPVCEndptInCIR,

frPVCEndptOutMaxFrameSize, frPVCEndptOutBc,

frPVCEndptOutBe, frPVCEndptOutCIR,

frPVCEndptConnectIdentifier, frPVCEndptRowStatus,

frPVCEndptRcvdSigStatus, frPVCEndptInFrames,

frPVCEndptOutFrames, frPVCEndptInDEFrames,

frPVCEndptInExcessFrames, frPVCEndptOutExcessFrames,

frPVCEndptInDiscards,

frPVCEndptInOctets, frPVCEndptOutOctets }

STATUS current

DESCRIPTION

"A collection of objects providing information application

to a Frame Relay PVC end-point."

::= { frnetservGroups 3 }

frnetservPVCConnectGroup OBJECT-GROUP

OBJECTS { frPVCConnectAdminStatus, frPVCConnectL2hOperStatus,

frPVCConnectH2lOperStatus, frPVCConnectL2hLastChange,

frPVCConnectH2lLastChange,

frPVCConnectRowStatus }

STATUS current

DESCRIPTION

"A collection of objects providing information applicable

to a Frame Relay PVC connection."

::= { frnetservGroups 4 }

frnetservAccountPVCGroup OBJECT-GROUP

OBJECTS { frAccountPVCSegmentSize, frAccountPVCInSegments,

frAccountPVCOutSegments }

STATUS current

DESCRIPTION

"A collection of objects providing accounting

information application

to a Frame Relay PVC end-point."

::= { frnetservGroups 5 }

frnetservAccountLportGroup OBJECT-GROUP

OBJECTS { frAccountLportSegmentSize, frAccountLportInSegments,

frAccountLportOutSegments }

STATUS current

DESCRIPTION

"A collection of objects providing accounting

information application

to a Frame Relay logical port."

::= { frnetservGroups 6 }

END

7. Acknowledgments

This document was produced jointly by the Frame Relay Forum Technical

Committee MIB Working Group and the Frame Relay Service MIB Working

Group.

8. References

[1] Case, J., McCloghrie, K., Rose, M., and S. Waldbusser, "Structure

of Management Information for version 2 of the Simple Network

Management Protocol (SNMPv2)", RFC1442, SNMP Research, Inc.,

Hughes LAN Systems, Dover Beach Consulting, Inc., Carnegie Mellon

University, April 1993.

[2] Galvin, J., and K. McCloghrie, "Administrative Model for version

2 of the Simple Network Management Protocol (SNMPv2)", RFC1445,

Trusted Information Systems, Hughes LAN Systems, April 1993.

[3] Case, J., McCloghrie, K., Rose, M., and S. Waldbusser, "Protocol

Operations for version 2 of the Simple Network Management

Protocol (SNMPv2)", RFC1448, SNMP Research, Inc., Hughes LAN

Systems, Dover Beach Consulting, Inc., Carnegie Mellon

University, April 1993.

[4] McCloghrie, K., and M. Rose, "Management Information Base for

Network Management of TCP/IP-based internets - MIB-II", STD 17,

RFC1213, Hughes LAN Systems, Performance Systems International,

March 1991.

[5] McCloghrie, K., and F. Kastenholz, "Evolution of Interfaces

Group of MIB-II", RFC1573, Hughes LAN Systems, FTP Software,

January 1994.

[6] Rodemann, K., "Service Management Architecture for Virtual

Connection Services", Work in Progress, July 1993.

[7] ANSI T1.617-1991, American National Standard for

Telecommunications - Integrated Services Digital Network (ISDN) -

Digital Subscriber Signaling System No. 1 (DSS1) - Signaling

Specification for Frame Relay Bearer Service.

[8] Brown, C., Baker, F., and C. Carvalho, "Management Information

Base for Frame Relay DTEs", RFC1315, Wellfleet Communications,

Inc., Advanced Computer Communications, April 1992.

[9] Bradley, T., Brown, C., and A. Malis, "Multi-Protocol

Interconnect over Frame Relay", RFC1490, Wellfleet

Communications, Inc., Ascom Timeplex, Inc., July 1993.

9. Security Considerations

Security issues are not discussed in this memo.

10. Author's Address

Tracy A. Brown

Bell Communications Research

331 Newman Springs Road

P.O. Box 7020

Red Bank, NJ 07701-7020

Phone: (908) 758-2107

 
 
 
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