Network Working Group T. Brown, Editor

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

Frame Relay Service MIB Working Group [Page 1]

RFC 1604 Frame Relay Service MIB March 1994

1. The SNMPv2 Network Management Framework

The SNMPv2 Network Management Framework consists of four major
components. They are:

o RFC 1442 which defines the SMI, the mechanisms used for
describing and naming objects for the purpose of
management.

o STD 17, RFC 1213 defines MIB-II, the core set of managed
objects for the Internet suite of protocols.

o RFC 1445 which defines the administrative and other
architectural aspects of the framework.

o RFC 1448 which defines the protocol used for network
access to managed objects.

The Framework permits new objects to be defined for the purpose of
experimentation and evaluation.

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.

Frame Relay Service MIB Working Group [Page 2]

RFC 1604 Frame Relay Service MIB March 1994

____________________________________________________
| | | | |
| | | 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 (RFC 1315) 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,

Frame Relay Service MIB Working Group [Page 3]

RFC 1604 Frame Relay Service MIB March 1994

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].

Frame Relay Service MIB Working Group [Page 4]

RFC 1604 Frame Relay Service MIB March 1994

+-------------------------------------+
| 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:

Frame Relay Service MIB Working Group [Page 5]

RFC 1604 Frame Relay Service MIB March 1994

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

Frame Relay Service MIB Working Group [Page 6]

RFC 1604 Frame Relay Service MIB March 1994

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.

Frame Relay Service MIB Working Group [Page 7]

RFC 1604 Frame Relay Service MIB March 1994

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.

Frame Relay Service MIB Working Group [Page 8]

RFC 1604 Frame Relay Service MIB March 1994

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

Frame Relay Service MIB Working Group [Page 9]

RFC 1604 Frame Relay Service MIB March 1994

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.

Frame Relay Service MIB Working Group [Page 10]

RFC 1604 Frame Relay Service MIB March 1994

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.

Frame Relay Service MIB Working Group [Page 11]

RFC 1604 Frame Relay Service MIB March 1994

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: [email protected]."
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

Frame Relay Service MIB Working Group [Page 12]

RFC 1604 Frame Relay Service MIB March 1994

-- 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

Frame Relay Service MIB Working Group [Page 13]

RFC 1604 Frame Relay Service MIB March 1994

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),

Frame Relay Service MIB Working Group [Page 14]

RFC 1604 Frame Relay Service MIB March 1994

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.

Frame Relay Service MIB Working Group [Page 15]

RFC 1604 Frame Relay Service MIB March 1994

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

Frame Relay Service MIB Working Group [Page 16]

RFC 1604 Frame Relay Service MIB March 1994

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

Frame Relay Service MIB Working Group [Page 17]

RFC 1604 Frame Relay Service MIB March 1994

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

Frame Relay Service MIB Working Group [Page 18]

RFC 1604 Frame Relay Service MIB March 1994

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

Frame Relay Service MIB Working Group [Page 19]

RFC 1604 Frame Relay Service MIB March 1994

"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

Frame Relay Service MIB Working Group [Page 20]

RFC 1604 Frame Relay Service MIB March 1994

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 }

Frame Relay Service MIB Working Group [Page 21]

RFC 1604 Frame Relay Service MIB March 1994

-- 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.

Frame Relay Service MIB Working Group [Page 22]

RFC 1604 Frame Relay Service MIB March 1994

-- 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,

Frame Relay Service MIB Working Group [Page 23]

RFC 1604 Frame Relay Service MIB March 1994

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 Service MIB Working Group [Page 24]

RFC 1604 Frame Relay Service MIB March 1994

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 Service MIB Working Group [Page 25]

RFC 1604 Frame Relay Service MIB March 1994

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

Frame Relay Service MIB Working Group [Page 26]

RFC 1604 Frame Relay Service MIB March 1994

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

Frame Relay Service MIB Working Group [Page 27]

RFC 1604 Frame Relay Service MIB March 1994

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

Frame Relay Service MIB Working Group [Page 28]

RFC 1604 Frame Relay Service MIB March 1994

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

Frame Relay Service MIB Working Group [Page 29]

RFC 1604 Frame Relay Service MIB March 1994

"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.

Frame Relay Service MIB Working Group [Page 30]

RFC 1604 Frame Relay Service MIB March 1994

-- 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."

Frame Relay Service MIB Working Group [Page 31]

RFC 1604 Frame Relay Service MIB March 1994

::= { 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

Frame Relay Service MIB Working Group [Page 32]

RFC 1604 Frame Relay Service MIB March 1994

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

Frame Relay Service MIB Working Group [Page 33]

RFC 1604 Frame Relay Service MIB March 1994

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),

Frame Relay Service MIB Working Group [Page 34]

RFC 1604 Frame Relay Service MIB March 1994

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

Frame Relay Service MIB Working Group [Page 35]

RFC 1604 Frame Relay Service MIB March 1994

"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 }

Frame Relay Service MIB Working Group [Page 36]

RFC 1604 Frame Relay Service MIB March 1994

-- 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

Frame Relay Service MIB Working Group [Page 37]

RFC 1604 Frame Relay Service MIB March 1994

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

Frame Relay Service MIB Working Group [Page 38]

RFC 1604 Frame Relay Service MIB March 1994

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 Service MIB Working Group [Page 39]

RFC 1604 Frame Relay Service MIB March 1994

-- 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

Frame Relay Service MIB Working Group [Page 40]

RFC 1604 Frame Relay Service MIB March 1994

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

Frame Relay Service MIB Working Group [Page 41]

RFC 1604 Frame Relay Service MIB March 1994

"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 }

Frame Relay Service MIB Working Group [Page 42]

RFC 1604 Frame Relay Service MIB March 1994

-- 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,

Frame Relay Service MIB Working Group [Page 43]

RFC 1604 Frame Relay Service MIB March 1994

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

Frame Relay Service MIB Working Group [Page 44]

RFC 1604 Frame Relay Service MIB March 1994

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)", RFC 1442, 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)", RFC 1445,
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)", RFC 1448, 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,
RFC 1213, Hughes LAN Systems, Performance Systems International,
March 1991.

[5] McCloghrie, K., and F. Kastenholz, "Evolution of Interfaces
Group of MIB-II", RFC 1573, 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", RFC 1315, Wellfleet Communications,
Inc., Advanced Computer Communications, April 1992.

[9] Bradley, T., Brown, C., and A. Malis, "Multi-Protocol
Interconnect over Frame Relay", RFC 1490, Wellfleet
Communications, Inc., Ascom Timeplex, Inc., July 1993.

Frame Relay Service MIB Working Group [Page 45]

RFC 1604 Frame Relay Service MIB March 1994

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
EMail: [email protected]

Frame Relay Service MIB Working Group [Page 46]