sh run

interface Port-channel1
 lacp max-bundle 8
 nameif XXX
 security-level 100
 ip address 10.111.4.10 255.255.255.0 standby 10.111.4.9 
!
interface Port-channel2
 lacp max-bundle 8
 nameif YYY
 security-level 1
 ip address 10.112.1.4 255.255.255.0 


failover
failover lan unit primary
failover lan interface FAILOVER GigabitEthernet0/2
failover polltime unit 1 holdtime 3
failover polltime interface 1 holdtime 5
failover key *****
failover interface ip FAILOVER 192.168.0.121 255.255.255.252 standby 192.168.0.122

====================================================================================================================================================


FW-1# sh fail
Failover On 
Failover unit Primary
Failover LAN Interface: FAILOVER GigabitEthernet0/2 (up)
Reconnect timeout 0:00:00
Unit Poll frequency 1 seconds, holdtime 3 seconds
Interface Poll frequency 1 seconds, holdtime 5 seconds
Interface Policy 1
Monitored Interfaces 1 of 114 maximum
MAC Address Move Notification Interval not set
Version: Ours 9.5(2), Mate 9.5(2)
Last Failover at: 13:37:34 UTC Mar 10 2019
	This host: Primary - Standby Ready 
		Active time: 16 (sec)
		slot 0: ASA5512 hw/sw rev (1.0/9.5(2)) status (Up Sys)
		  Interface management (0.0.0.0): No Link (Not-Monitored)
		  Interface XXX (10.111.4.9): Normal (Monitored)
		  Interface YYY (0.0.0.0): Normal (Not-Monitored)
		slot 1: SFR5512 hw/sw rev (N/A/5.3.1-152) status (Up/Up)
		  ASA FirePOWER, 5.3.1-152, Up, (Monitored)
	Other host: Secondary - Active 
		Active time: 198 (sec)
		slot 0: ASA5512 hw/sw rev (1.0/9.5(2)) status (Up Sys)
		  Interface management (192.168.1.1): Normal (Not-Monitored)
		  Interface XXX (10.111.4.10): Normal (Monitored)
		  Interface YYY (10.112.1.4): Normal (Not-Monitored)
		slot 1: SFR5512 hw/sw rev (N/A/5.3.1-152) status (Up/Up)
		  ASA FirePOWER, 5.3.1-152, Up, (Monitored)

Stateful Failover Logical Update Statistics
	Link : Unconfigured.

====================================================================================================================================================


FW-1# sh fail state

               State          Last Failure Reason      Date/Time
This host  -   Primary
               Standby Ready  Ifc Failure              13:37:34 UTC Mar 10 2019
                              YKI: No Link
Other host -   Secondary
               Active         None

====Configuration State===
	Sync Done
====Communication State===
	Mac set

====================================================================================================================================================



FW-1# sh fail his

From State                 To State                   Reason

13:37:14 UTC Mar 10 2019
Not Detected               Negotiation                No Error

13:37:17 UTC Mar 10 2019
Negotiation                Just Active                No Active unit found

13:37:17 UTC Mar 10 2019
Just Active                Active Drain               No Active unit found

13:37:17 UTC Mar 10 2019
Active Drain               Active Applying Config     No Active unit found

13:37:17 UTC Mar 10 2019
Active Applying Config     Active Config Applied      No Active unit found

13:37:17 UTC Mar 10 2019
Active Config Applied      Active                     No Active unit found

13:37:34 UTC Mar 10 2019
Active                     Failed                     Interface check

13:37:45 UTC Mar 10 2019
Failed                     Standby Ready              Interface check

====================================================================================================================================================

FW-1# sh fail int
	interface FAILOVER GigabitEthernet0/2
		System IP Address: 192.168.0.121 255.255.255.252
		My IP Address    : 192.168.0.121
		Other IP Address : 192.168.0.122

====================================================================================================================================================

FW-1# sh int ip br
Interface                  IP-Address      OK? Method Status                Protocol
GigabitEthernet0/0         unassigned      YES unset  up                    up  
GigabitEthernet0/1         unassigned      YES unset  up                    up  
GigabitEthernet0/2         192.168.0.121   YES unset  up                    up  
GigabitEthernet0/3         unassigned      YES unset  administratively down down
GigabitEthernet0/4         unassigned      YES unset  administratively down down
GigabitEthernet0/5         unassigned      YES unset  administratively down down
Internal-Control0/0        127.0.1.1       YES unset  up                    up  
Internal-Data0/0           unassigned      YES unset  up                    down
Internal-Data0/1           unassigned      YES unset  up                    up  
Internal-Data0/2           unassigned      YES unset  up                    up  
Management0/0              unassigned      YES CONFIG down                  down
Tunnel0                    unassigned      YES unset  down                  up  
GigabitEthernet1/0         unassigned      YES unset  administratively down down
GigabitEthernet1/1         unassigned      YES unset  up                    up  
GigabitEthernet1/2         unassigned      YES unset  up                    up  
GigabitEthernet1/3         unassigned      YES unset  administratively down down
GigabitEthernet1/4         unassigned      YES unset  administratively down down
GigabitEthernet1/5         unassigned      YES unset  administratively down down
Port-channel1              10.111.4.9      YES CONFIG up                    up  
Port-channel2              unassigned      YES CONFIG up                    up