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Enabling LACP Link Protection

To enable LACP link protection for aggregated Ethernet interfaces on the chassis, use the link-protection statement at the [edit chassis aggregated-devices ethernet lacp] hierarchy level:



[edit chassis aggregated-devices ethernet lacp]

link-protection {

non-revertive;
}

By default, LACP link protection reverts to a higher-priority (lower-numbered) link when that higher-priority link becomes operational or a link is added to the aggregator that is determined to be higher in priority. However, you can suppress link calculation by adding the non-revertive statement to the LACP link protection configuration. In non-revertive mode, once a link is active and collecting and distributing packets, the subsequent addition of a higher-priority (better) link does not result in a switch, and the current link remains active.

Caution: If both ends of an aggregator have LACP link protection enabled, make sure to configure both ends of the aggregator to use the same mode. Mismatching LACP link protection modes can result in lost traffic.

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