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Isolating errors, Non-isolating errors – Cabletron Systems Expansion module 9T122-08 User Manual

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9T122-08 Module Specific Information

Active Monitor Address

Displays the MAC Address of the station that currently is designated as the
Active Monitor.

ISOLATING ERRORS

Line Errors

Displays the number of corrupt frames that have been detected by a station on the
token ring.

Burst Errors

Displays the number of times a signal is not received by a station on the token
ring.

AC Errors

Displays the number of times that two successive AMP or SMP frames are
received with A and C bits set at zero.

Abort Transmit Errors

Displays the number of times that a station transmits an abort delimiter while
transmitting.

Internal Errors

Displays the number of times that a station encounters a recoverable internal
error. This information helps to detect a station in marginal operating condition.

NON-ISOLATING ERRORS

Lost Frame Errors

Displays the number of times that a stationÕs TRR timer expires before the station
receives the ending delimiter of the frame transmitted.

Frame Copied Errors

Displays the number of times that a node receives a frame with its address as the
destination address, however the Address Recognized bit is already set to Ф1Х.

Rcvr Congestion Errors

Displays the number of times that a station on the token ring recognizes its
address, but it cannot copy the frame because the buffer is full.

Token Errors

Displays the number of times that a token on the token ring has encountered a
problem along its path.