>> MIB - Management Information Base

>> Table: frCircuitTable - (.1.3.6.1.2.1.10.32.2.1)

Description: The information regarding a single Data Link Connection Identifier.

frCircuitTable
OIDNameTypeAccess
.1IfIndexINTEGERRW
.2DlciINTEGERRW
.3StateENUMD
.4ReceivedFECNsCounterR
.5ReceivedBECNsCounterR
.6SentFramesCounterR
.7SentOctetsCounterR
.8ReceivedFramesCounterR
.9ReceivedOctetsCounterR
.10CreationTimeTimeTicksR
.11LastTimeChangeTimeTicksR
.12CommittedBurstINTEGERRW
.13ExcessBurstINTEGERRW
.14ThroughputINTEGERRW
.42RouteTypeENUMR
.43RouteIfIndexINTEGERRW
.44RouteDlciINTEGERRW

IfIndex
The ifIndex Value of the ifEntry this  virtual

circuit is layered onto.
Dlci
The Data Link Connection Identifier  for  this

virtual circuit.
State
Indicates whether the particular virtual  cir-

cuit  is operational.  In the absence of a Data

Link Connection Management  Interface,  virtual

circuit  entries  (rows) may be created by set-

ting virtual  circuit  state  to  'active',  or

deleted by changing Circuit state to 'invalid'.

Whether or not the row actually  disappears  is

left  to the implementation, so this object may

actually read as 'invalid' for  some  arbitrary

length  of  time.   It is also legal to set the

state of a virtual  circuit  to  'inactive'  to

temporarily disable a given circuit.
Enumerations:
  • invalid (1)
  • active (2)
  • inactive (3)
ReceivedFECNs
Number of frames received from the network in-

dicating  forward  congestion since the virtual

circuit was created.
ReceivedBECNs
Number of frames received from the network in-

dicating  backward congestion since the virtual

circuit was created.
SentFrames
The number of frames sent  from  this  virtual

circuit since it was created.
SentOctets
The number of octets sent  from  this  virtual

circuit since it was created.
ReceivedFrames
Number of frames received  over  this  virtual

circuit since it was created.
ReceivedOctets
Number of octets received  over  this  virtual

circuit since it was created.
CreationTime
The value of sysUpTime when the  virtual  cir-

cuit was created, whether by the Data Link Con-

nection Management Interface  or  by  a  SetRe-

quest.
LastTimeChange
The value of sysUpTime when last there  was  a

change in the virtual circuit state
CommittedBurst
This variable indicates the maximum amount  of

data,  in  bits,  that  the  network  agrees to

transfer under normal  conditions,  during  the

measurement interval.
ExcessBurst
This variable indicates the maximum amount  of

uncommitted data bits that the network will at-

tempt to deliver over the measurement interval.

By default, if not configured when creating the

entry, the Excess Information Burst Size is set

to the value of ifSpeed.
Throughput
Throughput is the average number of 'Frame Re-

lay  Information  Field'  bits  transferred per

second across a user network interface  in  one

direction, measured over the measurement inter-

val.

If the  configured  committed  burst  rate  and

throughput  are  both non-zero, the measurement

interval

T=frCircuitCommittedBurst/frCircuitThroughput.

If the  configured  committed  burst  rate  and

throughput  are  both zero, the measurement in-

terval

T=frCircuitExcessBurst/ifSpeed.
RouteType
Type of routing entry. This field is intended for

informational purpose only.
Enumerations:
  • local (1)
  • switch (2)
RouteIfIndex
The destination IfIndex is a pointer to either a

second frame relay interface (frame relay switching)

or to a frame relay virtual interface (multiprotocol

routing).
RouteDlci
The destination DLCI. When the circuit is used for

switching, all packets are sent using this DLCI.

This field is void for multiprotocol routing.


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