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AR100-S, AR110-S, AR120-S, AR150-S, AR160-S, AR200-S, AR1200-S, AR2200-S, and AR3200-S V200R009 CLI-based Configuration Guide - Ethernet Switching

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What Is the Function of the LACP Preemption Delay?

What Is the Function of the LACP Preemption Delay?

When an Eth-Trunk in LACP mode goes Up and Down frequently due to unstable physical links, LACP flaps. As a result, services transmitted on the Eth-Trunk link are affected. After the LACP preemption delay is set, LACP negotiation is not performed during the delay. The possibility of LACP flapping is reduced, and services will not be affected.

You can run the lacp preempt enable command in the interface view to enable LACP preemption on the Eth-Trunk and run the lacp preempt delay delay-time command to set the LACP preemption delay.

Updated: 2019-05-17

Document ID: EDOC1000174108

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