D-Link DES-3028 Product Manual - Page 70
Safeguard Engine Settings window - CPU Utilization Settings, Falling Threshold
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DES-3028 DES-3028P DES-3028G DES-3052 DES-3052P Layer 2 Fast Ethernet Managed Switch Figure 6- 29. Safeguard Engine Settings window - CPU Utilization Settings To set the Safeguard Engine for the Switch, complete the following fields: Parameter Description State Toggle this field to either Enabled or Disabled for the Safeguard Engine of the Switch. Rising Threshold 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 the Exhausted state. Falling Threshold Used to configure the acceptable level of CPU utilization as a percentage, where the Switch leaves the Exhausted 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 You can choose between Fuzzy and Strict. In strict mode the Switch will stop receiving all 'ARP' packets. That means that whatever reasons have caused the high CPU utilization, the Switch will reluctantly processes any 'ARP' packets in exhausted mode. In fuzzy mode, the Switch will adjust the bandwidth dynamically depending on some reasonable algorithm. Safeguard Engine Current Status Displays the current state of the Safeguard Engine. 56