Library Table of Contents Index Previous Page (Alt-p) Next Page (Alt-n) Comments

FDDI interface statistics

RECEIVE section statistics  Top

The following table describes the statistics in the RECEIVE section of the ifstat command output when you use the command on an FDDI interface.

Statistic

Meaning

Packets

Number of packets received on the interface.

Bytes

Number of bytes received on the interface.

Total Errors

Number of errors during reception, including all kinds of receive errors.

Queue full

Number of received packets dropped due to the unavailability of buffers.

H/w faults

Number of hardware faults.

SA matches

Number of SA matches.

DA nonmatches

Number of DA nonmatches.

PDQ aborts

Number of PDQ aborts.

Invalid lengths

Number of invalid lengths.

Fragments

Number of fragments.

Format errs

Number of frames received that contained an odd number of symbols; that is, the number of nonintegral octets.

MAC resets

Number of MAC resets.

CRC Errors

Number of frames received with a bad frame check sequence.

Status Errors

Number of frames received that had the E (error detected) indicator set or a missing E indicator.

Long Frames

Number of frames received that were larger than the maximum legal size.

Short Frames

Number of short frames received.

Copied buffers

Number of copied buffers.

No buffers

Number of times there were insufficient buffers.

LLC errors

Number of LLC errors.

Blk check errs

Number of block check errors.

Length errors

Number of length errors.

Overruns

Number of times that the interface received a frame loss indication from the hardware on the interface.

TRANSMIT section statistics  Top

The following table describes the statistics in the TRANSMIT section of the ifstat command output when you use the command on an FDDI interface.

Statistic

Meaning

Packets

Number of packets attempted to be transmitted.

Bytes

Number of bytes attempted to be transmitted.

Errors

Number of hardware errors encountered while attempting to transmit.

Queue full

Number of received packets dropped due to unavailability of buffers.

No buffers

Number of times buffers were not available.

No buf resets

Number of times the process was reset due to the unavailability of buffers.

No descriptors

Number of times descriptors were unavailable.

I/f down

Number of times the interface was down.

Underruns

Number of times an underrun occurred because the interface's transmit FIFO became empty due to insufficient memory. That is, the device tried to transmit but could not get data into memory fast enough.

Failures

Number of frames that were transmitted with an error.

DEVICE section statistics  Top

The following table describes the statistics in the DEVICE section of the ifstat command output when you use the command on an FDDI interface.

Statistic

Meaning

Interrupts

Number of times the FDDI device interrupted the host.

Spurious ints

Number of spurious interrupts received from the device.

Resets

Number of times the device was reset due to unrecoverable hardware faults.

Non-existing mem

Number of times the device was asked to address nonexisting memory.

Parity errs

Number of parity errors detected on the interface.

Host parity errs

Number of parity errors detected on the host.

Spurious Unsols

Number of unknown unsolicited error events reported by this link entity.

Ring inits in

Number of ring claim processes initiated by this link entity.

Ring beacon out

Number of ring beacon processes initiated by this link entity.

Ring beacon in

Number of ring beacon processes recognized by this link entity.

Dupl. address

Number of times the duplicate address test failed.

Dupl. token

Number of times this link entity detected a duplicate token.

Ring purge errs

Number of times the MAC PurgeError Event bit was set.

FCI strip errs

Number of times a Frame Content Independent Strip operation was terminated.

Trace init

Number of PC traces initiated by this station.

Selftest failure

Number of failed self-tests during device resets.

PC trace rcvd

Number of PC traces received by this station.

Config changes

Number of configuration changes.

LEM rejects

Number of Link Error Monitor (LEM) rejects.

Elastic buf errs

Number of Elasticity Buffer and Link Monitor (ELM) Chip EBUFF_ERROR events.

Link test reject

Number of link test rejects.

Library Table of Contents Index Previous Page (Alt-p) Next Page (Alt-n) Comments