Debugging Fefd - Dell S4820T Configuration Manual

To set up and activate two or more connected interfaces, use the following commands.
1. Setup two or more connected interfaces for Layer 2 or Layer 3.
INTERFACE mode
ip address ip address, switchport
2. Activate the necessary ports administratively.
INTERFACE mode
no shutdown
3.
INTERFACE mode
fefd {disable | interval | mode}
Example of Viewing FEFD Configuration
Dell(conf-if-te-1/1)#show config
!
interface TenGigabitEthernet 1/1
no ip address
switchport
fefd mode normal
no shutdown
Dell(conf-if-te-1/1)#do show fefd | grep 1/1
Te 1/1 Normal

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
Examples of the debug fefd Commands
Dell#debug fefd events
Dell#config
Dell(conf)#int te 1/1
Dell(conf-if-te-1/1)#shutdown
2w1d22h: %RPM0-P:CP %IFMGR-5-ASTATE_DN: Changed interface Admin state to down:
Te 1/1
Dell(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
Dell#debug fefd packets
Dell#2w1d22h : FEFD packet sent via interface Te 1/1
562
3 Unknown
Layer 2