The soft-preemption command enables soft preemption functionality. This command must be used on both the primary and secondary paths.
The soft-preemption function is disabled.
MPLS LSP configuration mode
The no function disables soft preemption for the path on which the command is executed.
MPLS is supported on the Extreme 8820, SLX 9740, SLX 9640, and SLX 9540 devices only.
The following example shows how configure a primary path.
device# configure device(config)# router mpls device(config-router-mpls)# lsp test device(config-router-mpls-lsp-test)# soft-preemption
The following example shows how to configure a secondary path.
device# configure device(config)# router mpls device(config-router-mpls)# lsp test device(config-router-mpls-lsp-test)# secpath sec device(config-router-mpls-lsp-test-secpath-sec)# soft-preemption