Dell EMC SmartFabric OS10 User Guide Release 10.5.0

1. Enable LACP fallback with the lacp fallback enable command in port channel INTERFACE mode.
2. Set a timer for receiving LACP PDUs using lacp fallback timeout timer-value in port channel INTERFACE mode.
3. (Optional) Enable or disable LACP fallback port preemption using lacp fallback preemption {enable | disable} in port channel INTERFACE mode.

OS10# configure terminal
OS10(config)# interface port-channel 1
OS10(conf-if-po-1)# lacp fallback enable
OS10(conf-if-po-1)# lacp fallback timeout 20
OS10(conf-if-po-1)# lacp fallback preemption enable

OS10# show port-channel summary

Flags:  D - Down    I - member up but inactive    P - member up and active

        U - Up (port-channel) F - Fallback enabled

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Group Port-Channel      Type     Protocol  Member Ports
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1    port-channel1  (UF) Eth      DYNAMIC   1/1/10(P) 1/1/11(I)