Dell C1048P Port Extender Networking Command-Line Reference Guide for the C900 - Page 1340

Command History This guide is platform-specific. For command information about other platforms, refer to the relevant Dell Networking OS Command Line Reference Guide. The following is a list of the Dell Networking OS version history for this command. Version 9.9(0.0) 9.2(1.0) 8.3.19.0 8.3.11.1 8.3.12.0 Description Introduced on the C9010. Introduced on the Z9500. Introduced on the S4820T. Introduced on the Z9000. Introduced on the S4810. Related Commands • fefd - enables far-end failure detection on an interface. • fefd reset - enables FEFD globally on the system. fefd Enable Far-End Failure Detection on an interface, set the FEFD interval, or select the FEFD mode. C9000 Series Syntax Parameters fefd {disable|interval|mode {aggressive|normal} disable interval mode Enter the keyword disable to disable FEFD for the specified interface. Enter the keyword interval, followed by a value to specify the FEFD interval in seconds. Range is from 3 to 300. Default is 15. Enter the keyword mode followed by the mode type to specify the FEFD mode. • normal: Change the link state to "unknown" when a farend failure is detected by the software on that interface. When the interface is placed in an "unknown" state, the software brings down the line protocol. • aggressive: Change the link state to "error-disabled" when a far-end failure is detected by the software on that interface. When an interface is placed in an "error-disabled" state, you must enter the fefd reset command to reset the interface state. Range is normal or aggressive. Default is normal. Defaults Disabled. Layer 2 1340