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Bandwidth utilization for WDM

Publication Date:  2018-02-05 Views:  360 Downloads:  0

Issue Description

The WDM ETH board does not support a feature of calculating a bandwidth utilization, for example the board LOG.



The bandwidth utilization formula is [(Number of bytes x 8) divide by sampling period] divide with the actual configured bandwidth.

1. Query the RMON


-> Good Octet Receive (bytes) means the total packet received in bytes, while Good Octet Transmitted (byte) means the total packet received in bytes.

-> Because of the receive/transmit in bytes, we must convert it to bits. 1 byte = 8 bits.

-> The Sampling Period is 5 second. That is means the total receive/transmit bits are in 5 second. Because we want to compare with the configured bandwidth (1Gbps or 1Mbps or 1kbps), thus the total receive/transmit bit must be divided by 5, to get the total of 1 second receive/transmit bits.

-> The result of the divided by 5, we divide by the actual configured bandwidth ( in this case, we divide by 1Gbps)


2. Download the attachment (excel file) and do calculation.

As per the screenshot RMON above, below is the result of the calculation:

Download link: