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Configuring Revertive Mode

By default, APS is nonrevertive, which means that if the protect circuit becomes active, traffic is not switched back to the working circuit unless the protect circuit fails or you manually configure a switch to the working circuit. In revertive mode, traffic is automatically switched back to the working circuit.

You should configure the ADM and routing platforms consistently with regard to revertive or nonrevertive mode.

To configure revertive mode, include the revert-time statement, specifying the amount of time to wait after the working circuit has again become functional before making the working circuit active again:



[edit interfaces so-fpc/pic/port sonet-options aps]

revert-time seconds;

If you are using nonrevertive APS, you can use the request working statement to switch the circuit manually to being the working circuit or to override the revert timer (configured with the revert-time statement).

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