580 | Layer 2
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Figure 25-12. FEFD enabled interface configuration
Debugging FEFD
By entering the command debug fefd events in EXEC privilege mode, output is displayed whenever events
occur that initiate or disrupt an FEFD enabled connection.
Figure 25-13. Debug FEFD events display
Entering the command debug fefd packets in EXEC privilege mode will provide output for each packet
transmission over the FEFD enabled connection.
Figure 25-14. Debug FEFD packets display
FTOS(conf-if-gi-1/0)#show config
!
interface GigabitEthernet 1/0
no ip address
switchport
fefd mode normal
no shutdown
FTOS(conf-if-gi-1/0)#do show fefd | grep 1/0
Gi 1/0 Normal 3 Unknown
FTOS#debug fefd events
FTOS#config
FTOS(conf)#int gi 1/0
FTOS(conf-if-gi-1/0)#shutdown
2w1d22h: %RPM0-P:CP %IFMGR-5-ASTATE_DN: Changed interface Admin state to down: Gi 1/0
FTOS(conf-if-gi-1/0)#2w1d22h : FEFD state on Gi 1/0 changed from ANY to Unknown
2w1d22h: %RPM0-P:CP %IFMGR-5-OSTATE_DN: Changed interface state to down: Gi 1/0
2w1d22h: %RPM0-P:CP %IFMGR-5-OSTATE_DN: Changed interface state to down: Gi 4/0
2w1d22h: %RPM0-P:CP %IFMGR-5-INACTIVE: Changed Vlan interface state to inactive: Vl 1
2w1d22h : FEFD state on Gi 4/0 changed from Bi-directional to Unknown
FTOS#debug fefd packets
FTOS#2w1d22h : FEFD packet sent via interface Gi 1/0
Sender state -- Bi-directional
Sender info -- Mgmt Mac(00:01:e8:14:89:25), Slot-Port(Gi 1/0)
Peer info -- Mgmt Mac (00:01:e8:14:89:25), Slot-Port(Gi 4/0)
Sender hold time -- 3 (second)
2w1d22h : FEFD packet received on interface Gi 4/0
Sender state -- Bi-directional
Sender info -- Mgmt Mac(00:01:e8:14:89:25), Slot-Port(Gi 1/0)
Peer info -- Mgmt Mac (00:01:e8:14:89:25), Slot-Port(Gi 4/0)
Sender hold time -- 3 (second)
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