D-Link DGS-3130 Emulator - Page 490
l2protocol-tunnel global drop-threshold
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DGS-3130 Layer 3 Stackable Managed Switch CLI Reference Guide Command Default Level Level: 12. Usage Guideline The tunneling of Layer 2 protocol packets will consume CPU processing power when encapsulating, decapsulating and forwarding packets. Use this command to restrict the CPU processing bandwidth consumption by specifying a threshold in the tunneling of the specified Layer 2 protocol packets received by a port. When the threshold is exceeded, the excessive incoming packets are dropped. If the protocol type is not specified, the setting applies to all protocol types. The l2protocol-tunnel drop-threshold command can be used together with the l2protocol-tunnel shutdownthreshold command to restrict the processing bandwidth. If the shutdown threshold is also configured on the interface, the drop-threshold value must be less than or equal to the shutdown-threshold value. Example This example shows how to configure the drop threshold for the STP protocol. Switch# configure terminal Switch(config)# interface ethernet 1/0/1 Switch(config-if)# l2protocol-tunnel drop-threshold stp 2000 Switch(config-if)# 46-5 l2protocol-tunnel global drop-threshold This command is used to specify the maximum number of Layer 2 protocol packets that can be processed by the system per second. Use the no form of this command to revert to the default setting. l2protocol-tunnel global drop-threshold PPS no l2protocol-tunnel global drop-threshold Parameters PPS Specifies the maximum rate of incoming Layer 2 protocol packets that can be tunneled. This value must be between 100 and 20000. Default By default, no threshold is configured. Command Mode Global Configuration Mode. Command Default Level Level: 12. Usage Guideline The tunneling of the Layer 2 protocol packets will consume CPU processing power in encapsulating, decapsulating, and forwarding of the packet. Use the command to restrict the CPU processing bandwidth consumed by specifying a threshold on the number of all Layer 2 protocol packets that can be processed by the system. When the maximum number of packets is exceeded, the excessive protocol packets are dropped. Use the l2protocol-tunnel global drop-threshold command and the l2protocol-tunnel drop-threshold command in the global configuration mode to leverage the bandwidth restriction. 486
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