Underrun & Overrun

Source: Internet
Author: User
Overrun: The worker er hardware is unable to hand receive ed data to a hardware buffer because the input rate exceeds the receivers ability to handle the data.
(Packet loss occurs because the input speed of the interface exceeds the processing capability of the receiver .) Underruns: there are no data in the output queue.
(Transmit under run, opposite to overrun, is a rare hardware exception because no data frame exists when the cache of the output interface is retrieved from the output queue as a data frame .)

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