Glossary

fefd {disable | interval | mode}
DellEMC(conf-if-te-1/1)#show config
!
interface TenGigabitEthernet 1/1
no ip address
switchport
fefd mode normal
no shutdown
DellEMC(conf-if-te-1/1)#do show fefd | grep 1/1
Te 1/1 Normal 3 Unknown
Debugging FEFD
To debug FEFD, use the first command. To provide output for each packet transmission over the FEFD enabled connection, use
the second command.
● Display output whenever events occur that initiate or disrupt an FEFD enabled connection.
EXEC Privilege mode
debug fefd events
● Provide output for each packet transmission over the FEFD enabled connection.
EXEC Privilege mode
debug fefd packets
DellEMC#debug fefd events
DellEMC#config
DellEMC(conf)#int te 1/1
DellEMC(conf-if-te-1/1)#shutdown
2w1d22h: %RPM0-P:CP %IFMGR-5-ASTATE_DN: Changed interface Admin state to down: Te 1/1
DellEMC(conf-if-te-1/1)#2w1d22h : FEFD state on Te 1/1 changed from ANY to Unknown
2w1d22h: %RPM0-P:CP %IFMGR-5-OSTATE_DN: Changed interface state to down: Te 1/1
2w1d22h: %RPM0-P:CP %IFMGR-5-OSTATE_DN: Changed interface state to down: Te 4/1
2w1d22h: %RPM0-P:CP %IFMGR-5-INACTIVE: Changed Vlan interface state to inactive: Vl 1
2w1d22h : FEFD state on Te 4/1 changed from Bi-directional to Unknown
DellEMC#debug fefd packets
DellEMC#2w1d22h : FEFD packet sent via interface Te 1/1
Sender state -- Bi-directional
Sender info -- Mgmt Mac(00:01:e8:14:89:25), Slot-Port(Te 1/1)
Peer info -- Mgmt Mac (00:01:e8:14:89:25), Slot-Port(Te 4/1)
Sender hold time -- 3 (second)
2w1d22h : FEFD packet received on interface Te 4/1
Sender state -- Bi-directional
Sender info -- Mgmt Mac(00:01:e8:14:89:25), Slot-Port(Te 1/1)
Peer info -- Mgmt Mac (00:01:e8:14:89:25), Slot-Port(Te 4/1)
Sender hold time -- 3 (second)
An RPM Failover
In the event that an RPM failover occurs, FEFD becomes operationally down on all enabled ports for approximately 8-10 seconds
before automatically becoming operational again.
02-05-2009 12:40:38 Local7.Debug 10.16.151.12 Feb 5 07:06:09:
%RPM1-S:CP %RAM-6-FAILOVER_REQ: RPM failover request from active peer: User request.
02-05-2009 12:40:38 Local7.Debug 10.16.151.12 Feb 5 07:06:19:
%RPM1-P:CP %IFMGR-5-OSTATE_UP: Changed interface state to up: Te 1/45
02-05-2009 12:40:38 Local7.Debug 10.16.151.12 Feb 5 07:06:19:
%RPM1-P:CP %FEFD-5-FEFD-BIDIRECTION-LINK-DETECTED: Interface Te 1/45 has bidirectional
link with its
peer
Layer 2
511