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LOCAL MANAGEMENT
4-26
occurs when stations enter or leave the ring with the absence of phantom
current.
This error can also indicate a problem with the receiver of the reporting
node, or the transmitter of its NAUN, or the cabling and hub hardware
between them.
AC Errors
This field displays the total Address Recognized/Frame Copied errors.
This indicates that the reporting NAUN is faulty. The node cannot set the
address recognized indicator and/or frame copied indicator bits in the
frame which it has copied. This leaves the downstream node with an
incorrect NAUN address.
Abort Transmit Errors
This field displays the total abort delimiter frames transmitted by a station.
This indicates that either the reporting node has detected an error on itself,
or there is an error with its NAUN, or the cabling and wiring hubs between
them.
Internal Errors
This field displays the total internal errors detected by the adapter’s
hardware and/or firmware. These errors cause the adapter to remove itself
from the ring and indicates a problem with the adapter hardware or
firmware.
RING INFORMATION
Ring Information provides ring status information.
Active Monitor Addr
This field displays the MAC address of the active monitor. The active
monitor initiates recovery procedures from various error situations.
Ring Status
This field displays the following Ring Status conditions:
•
Unknown -- Indicates that the management station is not inserted into
the ring and therefore cannot determine the ring state