Command Line Reference Guide

Far-End Failure Detection (FEFD) | 461
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Far-End Failure Detection (FEFD)
Overview
FTOS supports Far-End Failure Detection (FEFD) on the Ethernet interfaces of the E-Series, as
indicated by the
e character that appears below each command heading. This feature detects and
reports far-end link failures.
• FEFD is not supported on the Management interface.
• During an RPM failover, FEFD is operationally disabled for approximately 8-10 seconds.
• By default, FEFD is disabled.
Commands
The FEFD commands are:
•debug fefd
•fefd
• fefd mode
• fefd-global
• fefd disable
• fefd interval
• fefd-global interval
• fefd reset
• show fefd
debug fefd
e
Enable debugging of FEFD.
Syntax
debug fefd {events | packets} [interface]
To disable debugging of FEFD, use the no debug fefd {events | packets} [interface] command.
Parameters
Command Modes
EXEC Privilege
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
(OPTIONAL) Enter the following keywords and slot/port or number information:
• For a 1-Gigabit Ethernet interface, enter the keyword
GigabitEthernet followed by the slot/
port information.
• For a SONET interface, enter the keyword
sonet followed by the slot/port information.
• For a 10-Gigabit Ethernet interface, enter the keyword
TenGigabitEthernet followed by the
slot/port information.