D-Link DGS-3120-24TC Product Manual - Page 260
Safeguard Engine, State, Rising Threshold 20, Trap / Log, Apply
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xStack® DGS-3120 Series Managed Switch Web UI Reference Guide Figure 8-65 Safeguard Engine Settings window The fields that can be configured are described below: Parameter Description Safeguard Engine State Use the radio button to globally enable or disable Safeguard Engine settings for the Switch. Rising Threshold (20% - 100%) Used to configure the acceptable level of CPU utilization before the Safeguard Engine mechanism is enabled. Once the CPU utilization reaches this percentage level, the Switch will move into Exhausted mode, based on the parameters provided in this window. Falling Threshold (20% Used to configure the acceptable level of CPU utilization as a percentage, where the - 100%) Switch leaves the Safeguard Engine state and returns to normal mode. Trap / Log Use the pull-down menu to enable or disable the sending of messages to the device's SNMP agent and switch log once the Safeguard Engine has been activated by a high CPU utilization rate. Mode Used to select the type of Safeguard Engine to be activated by the Switch when the CPU utilization reaches a high rate. The user may select: Fuzzy - If selected, this function will instruct the Switch to minimize the IP and ARP traffic flow to the CPU by dynamically allotting an even bandwidth to all traffic flows. Strict - If selected, this function will stop accepting all ARP packets not intended for the Switch, and will stop receiving all unnecessary broadcast IP packets, until the storm has subsided. The default setting is Fuzzy mode. Click the Apply button to accept the changes made. 252