Dell PowerSwitch S4820T FTOS 8.3.19.0 Command Line Reference Guide for the S48 - Page 605
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Command History Version 8.1.1.0 Version 7.6.1.0 Version 7.5.1.0 Version 7.4.1.0 Introduced on E-Series ExaScale Introduced on S-Series Introduced on C-Series Introduced on E-Series Example Usage Information FTOS(conf-if-gi-3/2)#dampening 20 800 4500 120 FTOS(conf-if-gi-3/2)# With each flap, FTOS penalizes the interface by assigning a penalty (1024) that decays exponentially depending on the configured half-life. Once the accumulated penalty exceeds the suppress threshold value, the interface is moved to the error-disabled state. This interface state is deemed as "down" by all static/dynamic Layer 2 and Layer 3 protocols. The penalty is exponentially decayed based on the half-life timer. Once the penalty decays below the reuse threshold, the interface is enabled. The configured parameters should follow: • suppress-threshold should be greater than reuse-threshold • max-suppress-time should be at least 4 times half-life Note: Dampening cannot be applied on an interface that is monitoring traffic for other interfaces. Related Commands clear dampening show interfaces dampening Clear the dampening counters on all the interfaces or just the specified interface. Display interface dampening information. description c e s Assign a descriptive text string to the interface. Syntax description desc_text To delete a description, enter no description. Parameters desc_text Enter a text string up to 240 characters long. Defaults No description is defined. Command Modes INTERFACE Command History Version 8.1.1.0 Version 7.6.1.0 Version 7.5.1.0 Version 7.4.1.0 Introduced on E-Series ExaScale Introduced on S-Series Introduced on C-Series Modified for E-Series: Revised from 78 to 240 characters. Usage Information • Spaces between characters are not preserved after entering this command unless you enclose the entire description in quotation marks ("desc_text"). Interfaces | 605