234CHAPTER 8: FIBER DISTRIBUTED DATA INTERFACE (FDDI)

fddi mac detail

3500

9000

9400

3900

9300

Displays detailed FDDI MAC information. A detail report displays various FDDI MAC statistics, including information about the MAC, received and transmitted frames, and received and transmitted bytes, as well as additional FDDI MAC statistics.

Valid Minimum Abbreviation

fd m d

Important Consideration

The MAC summary display changes slightly when ports are configured as DAS ports.

Fields in the FDDI MAC Detail Display

Field

Description

 

 

currentPath

Path on which this MAC is currently located primary or

 

secondary, isolated, concatenated, or thru

downstream

MAC address of this MAC’s downstream neighbor

downstreamType

PC type of this MAC’s downstream neighbor

dupAddrTest

Pass or fail test for a duplicate address

duplicateAddr

Whether this address is duplicated on the FDDI ring

errorCount

Number of SMT MAC errors

frameCount

Number of frames that this MAC received

frameErrCond

Active when the frameErrorRatio is greater than or equal

 

to frameErrorThresh.

frameErrorRatio

Ratio of the number lostCount plus the frameErrorCount

 

divided by the frameCount plus lostCount

frameErrThresh

Threshold for determining when a MAC condition report

 

is generated

lateCount

Number of token rotation timer expirations since this

 

MAC last received a token

llcAvailable

Whether this MAC can send or receive LLC frames

llcService

Setting of the Logical Link Control service

lostCount

Number of frames and tokens that this MAC lost during

 

reception

noRxBuffers

Number of frames discarded because no buffer space was

 

available

notCopiedCond

Active when the notCopiedRatio is greater than or equal

 

to notCopiedThresh.

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3Com 3500 manual Fddi mac detail, Fields in the Fddi MAC Detail Display