Command History This guide is platform-specific. For command information about other platforms, see the relevant Dell NetworkingOS Command Line Reference Guide.Version Description9.10(0.0) Introduced on the S6100–ON.9.8(1.0) Introduced on the Z9100–ON.9.8(0.0P5) Introduced on the S4048-ON.9.8(0.0P2) Introduced on the S3048-ON.9.7(0.0) Introduced on the S6000-ON.9.2(1.0) Introduced on the Z9500.9.0.2.0 Introduced on the S6000.8.3.19.0 Introduced on the S4820T.8.3.12.0 Introduced on the S4810.8.3.11.1 Introduced on the Z9000.8.1.1.0 Introduced on the E-Series.7.6.1.0 Introduced on the S-Series.7.5.1.0 Introduced on the C-Series.7.4.1.0 Introduced on the E-Series.Usage Information With each flap, Dell Networking OS penalizes the interface by assigning a penalty (1024) that decays exponentiallydepending on the configured half-life. After the accumulated penalty exceeds the suppress threshold value, theinterface moves to the Error-Disabled state. This interface state is deemed as “down” by all static/dynamic Layer 2and Layer 3 protocols. The penalty is exponentially decayed based on the half-life timer. After the penalty decaysbelow the reuse threshold, the interface enables. The configured parameters are as follows:• suppress-threshold should be greater than reuse-threshold• max-suppress-time should be at least 4 times half-lifeNOTE: You cannot apply dampening on an interface that is monitoring traffic for other interfaces.Example Dell(conf-if-te-1/1/6/1)# dampening 20 800 4500 120Dell(conf-if-te-1/1/6/1)#Related Commands • clear dampening — clear the dampening counters on all the interfaces or just the specified interface.• show interfaces dampening — display interface dampening information.descriptionAssign a descriptive text string to the interface.Syntax description desc_textTo delete a description, use the no description command.Interfaces 667
