This command configures the LACP fallback timeout value in seconds.
| lacp | LACP (Link Aggregation Control Protocol). | 
| fallback | Allow single member port with lowest value priority to be added to the aggregator if LACP PDUs are not received within timeout. | 
| timeout | Timeout used to determine how long to wait for LACP PDUs before entering fallback. | 
| seconds | Fallback timeout in seconds. Range 0-100. | 
60 seconds.
* # show lacp lag 17 detail 
Lag   Actor    Actor  Partner           Partner  Partner Agg   Actor
      Sys-Pri  Key    MAC               Sys-Pri  Key     Count MAC              
--------------------------------------------------------------------------------
17          0  0x03f9 00:00:00:00:00:00       0  0x0000      1 00:04:96:6d:55:13 
Enabled          : Yes
LAG State        : Up
Unack count      : 0
Wait-for-count   : 0
Current timeout  : Long
Activity mode    : Active
Defaulted Action : Delete
Fallback         : Enabled
Fallback timeout : 40 seconds
Receive state    : Enabled
Transmit state   : Enabled
Minimum active   : 1
Selected count   : 1
Standby count    : 0
LAG Id flag      : Yes 
  S.pri:0   , S.id:00:04:96:6d:55:13, K:0x03f9 
  T.pri:0   , T.id:00:00:00:00:00:00, L:0x0000 
Port list: 
Member     Port     Rx           Sel          Mux            Actor     Partner
Port       Priority State        Logic        State          Flags     Port    
--------------------------------------------------------------------------------
17         10       Initialize   Unselected   Detached       A-G-----  0        
18         5        Initialize   Fallback     Collect-Dist   A-GSCD--  1018
19         5        Idle         Unselected   Detached       --------  0       
================================================================================
Actor Flags: A-Activity, T-Timeout, G-Aggregation, S-Synchronization             
             C-Collecting, D-Distributing, F-Defaulted, E-Expired
    This command was first available in ExtremeXOS 21.1.
This command is available on all ExtremeSwitching Universal switches.