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Investigate Network Load: Difference between revisions
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are easy to clarify on the dashboard: | are easy to clarify on the dashboard: | ||
* Do you know the TOP protocols? Endpoints in the network often cause further traffic, such as large updates for Windows. By clicking on the protocol you can see which IPs caused this | * Do you know the TOP protocols? Endpoints in the network often cause further traffic, such as large updates for Windows. By clicking on the protocol you can see which IPs caused this traffic. | ||
* Do you know the TOP IP addresses? For example, there may be several backups running at the moment, which burden your link and the internal servers. | * Do you know the TOP IP addresses? For example, there may be several backups running at the moment, which burden your link and the internal servers. | ||
* Do you know the TOP-MAC addresses? If, for example, a lot of multicast or broadcast traffic appears here, this can indicate loops or similar things, and | * Do you know the TOP-MAC addresses? If, for example, a lot of multicast or broadcast traffic appears here, this can indicate loops or similar things, and a packet storm can place a heavy burden on the network. | ||
* Is there a high TCP retransmission rate of more than 3% compared to other periods? This indicates an overload of a network segment such as the WLAN or | * Is there a high TCP retransmission rate of more than 3% compared to other periods? This indicates an overload of a network segment such as the WLAN or | ||
an end device. | an end device. | ||
* Is there extremely little or no network traffic during this period? This | * Is there extremely little or no network traffic during this period? This may indicate link problems, such as no connection to the Internet or to another network node. | ||
In our example, Dropbox showed up with a total of 900 MB data transfer. | In our example, Dropbox showed up with a total of 900 MB data transfer. | ||
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traffic: | traffic: | ||
Here the computer "nb-nina.allegro" has caused both upload and download | Here the computer "nb-nina.allegro" has caused both upload and download | ||