Command Line Reference Guide

Far-End Failure Detection (FEFD)
The Dell Networking operating software (FTOS) supports far-end failure detection (FEFD) on the Ethernet interfaces of
the S5000 switch.
The FEFD feature detects and reports far-end link failures.
• FEFD is not supported on the Management interface.
• During an stack-unit failover, FEFD is operationally disabled for approximately 8-10 seconds.
• By default, FEFD is disabled.
debug fefd
Enable debugging of FEFD.
S5000
Syntax
debug fefd {events | packets} [interface-type slot/port]
To disable debugging of FEFD, use the no debug fefd {events | packets}
[interface] command.
Parameters
events Enter the keyword events to enable debugging of FEFD state
changes.
packets Enter the keyword packets to enable debugging of FEFD to view
information on packets sent and received.
interface-type
slot/port
(OPTIONAL) Enter one of the following keywords and slot/port or
number information. Valid slot numbers are 0-11. The valid port
numbers for each interface type are listed below.
• For a 10-Gigabit Ethernet interface, enter the keyword
tengigabitethernet followed by slot/port numbers.
The port range is 0 to 63.
• For a 40-Gigabit Ethernet interface, enter the keyword
fortyGigE followed by slot/port numbers. The ports are 48,
52, 56, and 60.
Command Modes EXEC Privilege
Command History
Version 9.0(1.3) Introduced on the S5000.
Related
Commands
• fefd – enables far-end failure detection on an interface.
• fefd reset – enables FEFD globally on the system.
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