
Configuring WAN Line Services
B-30
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Transmit Errors
The output contains the following information.
System Errors
The output contains the following information.
Underflow Frames Number of retransmission underflow errors. These occur when the
device’s FIFO buffer empties before the device obtains the next
DMA request.
Receive Rejects Number of reject frames received.
Transmit Rejects Number of reject frames transmitted.
T1 Timeouts Number of T1 timeouts detected. The T1 timer is the link
retransmission timer. Link control frames are retransmitted when
the T1 expires. This timer tracks the number of timeouts.
Memory Errors Number of memory errors detected. A memory error occurs when
the DMA cycle expires without obtaining the bus within 26 ms.
Memory errors may indicate faulty hardware. If this count exceeds
five, contact your Nortel Networks Technical Solutions Center.
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