8-20 CHAPTER 8: ADMINISTERING FDDI RESOURCES

Table 8-5 describes the type of information provided for an FDDI port.

Table 8-5 Description of Fields for FDDI Port Attributes

Field

Description

 

 

connectState

Connect state of this port (disabled, connecting, standby, or active)

currentPath

Path on which this port is currently located

ebErrorCond

Condition is active when an elasticity buffer error has been

 

detected during the past 2 seconds

ebErrorCount

Number of Elasticity Buffer errors that have been detected

lctFailCount

Number of consecutive times the link confidence test (LCT) has

 

failed during connection management

lemCount

Number of link errors detected by this port

lemRejectCount

Number of times that the link error monitor rejected the link

lerAlarm

The link error rate estimate at which a link connection generates

 

an alarm

lerCondition

Condition is active when the lerEstimate is less than or equal to

 

lerAlarm

lerCutoff

The link error rate estimate at which a link connection is broken

lerEstimate

Average link error rate. It ranges from 10-4to 10-15and is reported

 

as the absolute value of the exponent of the link error estimate

lineState

Line state of this port

myType

Type of port connector on the port

neighborType

Type of port connector at the other end of the physical connection

pcmState

Current Physical Connection Management (PCM) State defined in

 

SMT

pcWithhold

Reason for withholding the connection

pmdClass

Type of PMD entity associated with this port

portLabel

32-character string containing a user-defined name

 

 

Setting lerAlarm The lerAlarm attribute is the link error rate (LER) value at which a link connection generates an alarm. If the LER value is greater than the alarm setting, then SMT sends a Status Report Frame (SRF) to the network manager indicating a problem with a port. The lerAlarm value is expressed as an exponent (such as 1 x 10-10). A healthy network has an LER exponent between 1 x 10-10and 1 x 10-15. You should set the lerAlarm below these

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3Com 2200 manual Describes the type of information provided for an Fddi port