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Configuring Failover Options

To configure the association between AS or MultiServices PICs hosting link services IQ interfaces and the SONET interfaces, include the lsq-failure-options statement at the [edit interfaces] hierarchy level:

lsq-fpc/pic/port {
lsq-failure-options {
no-termination-request;
[ trigger-link-failure interface-name ];
}
}

For example, consider the following network scenario:

Configure SONET APS, with oc3-0/2/0 as the working circuit and oc3-2/2/0 as the protect circuit. Include the trigger-link-failure statement to extend failure to the LSQ PICs:

interfaces lsq-1/1/0 {
lsq-failure-options {
trigger-link-failure oc3-0/2/0;
}
}

Note: You must configure the lsq-failure-options statement on the primary router only. The configuration is not supported on the backup router.

To inhibit the router from sending PPP termination-request messages to the remote host if the Link Services IQ PIC fails, include the no-termination-request statement at the [edit interfaces lsq-fpc/pic/port lsq-failure-options] hierarchy level:

[edit interfaces lsq-fpc/pic/port lsq-failure-options]
no-termination-request;

This functionality has been extended to the link PICs as well. To inhibit the router from sending PPP termination-request messages to the remote host if a link PIC fails, include the no-termination-request statement at the [edit interfaces interface-name ppp-options] hierarchy level.

The no-termination-request statement is supported only with MLPPP and SONET APS configurations and works with PPP, PPP over Frame Relay, and MLPPP interfaces only. The supported PIC types are as follows:


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