Reference Guide

Layer 2 | 947
Far-End Failure Detection (FEFD)
Overview
FTOS supports Far-End Failure Detection (FEFD) on the Ethernet interfaces of the following
platforms as indicated by the characters that appear under each of the command headings:
E-Series
e, S4810
The FEFD 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 reset
• fefd reset
• fefd reset
• fefd reset
• fefd mode
• 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
events Enter the keyword events to enable debugging of FEFD state changes.