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Investigate Network Load: Difference between revisions
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* Do you know the TOP IP addresses? For example, there may be several backups running at the same time which burden the link and internal servers. | * Do you know the TOP IP addresses? For example, there may be several backups running at the same time which burden the link and internal servers. | ||
* Do you know the TOP MAC addresses? If, for example, significant multicast or broadcast traffic appears here; this can indicate loops or similar issues, and a packet storm can place a heavy burden on a network. | * Do you know the TOP MAC addresses? If, for example, significant multicast or broadcast traffic appears here; this can indicate loops or similar issues, and a packet storm can place a heavy burden on a network. | ||
* Is there a high TCP retransmission rate of more than 3 | * Is there a high TCP retransmission rate of more than 3 percent compared with similar periods? This can indicate a network segment overload, such as from the WLAN or an end device. | ||
* Is there extremely low or no network traffic during this period? This may indicate link problems such as no connection to the Internet or to another network node. | * Is there extremely low or no network traffic during this period? This may indicate link problems such as no connection to the Internet or to another network node. | ||