To determine whether there is a CPU or link failure, ELSM requires timer expiration between the ELSM peers. Depending on the health of the network, the port enters different states when the timers expire. For more information about the ELSM port states, see ELSM Port States.
The following table describes the ELSM timers. Only the hello timer is user-configurable; all other timers are derived from the hello timer. This means that when you modify the hello timer, you also modify the values for down, up, and HelloRx timers.
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