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update-threshold-max-reservable

date_range 19-Nov-23
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Syntax

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update-threshold-max-reservable update-threshold-max-reservable;

Hierarchy Level

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[edit logical-systems name protocols rsvp interface],
[edit logical-systems name routing-instances name protocols rsvp interface],
[edit protocols rsvp interface],
[edit routing-instances name protocols rsvp interface]

Description

Configure a threshold in bits per second. When SPRING bandwidth utilization exceeds this threshold, Resource Reservation Protocol (RSVP) reports this event to IGP and preempts the labeled switched paths (LSPs). If this threshold is not exceeded, RSVP does not make any changes to the bandwidth allocation.

However, if the local-bw-override-threshold statement is configured along with the update-threshold-max-reservable statement, RSVP modifies local unreserved bandwidths even if the threshold is not exceeded. This change does not report the new maximum reservable bandwidth and local unreserved bandwidth to IGP until the threshold configuration crosses.

Note that the changes are not applied by modifying the subscription percentage at the [edit protocols rsvp interface interface-name] hierarchy level.

Default

The default value is 0.

Options

update-threshold-max-reservable

Specify a threshold value for maximum SPRING bandwidth utilization in bits per second.

  • Range: 0 through 100000

percent percent

Specify a bandwidth utilization change threshold in percentage beyond which RSVP triggers IGP updates. When the change in bandwidth utilization from previously advertised value is more than the percentage configured, RSVP informs IGP about the max reservable bandwidth change.

Required Privilege Level

routing—To view this statement in the configuration.

routing-control—To add this statement to the configuration.

Release Information

Statement introduced in Junos OS Release 17.3R1.

percent option introduced in Junos OS Release 17.4R1 for MX Series and PTX Series.

Related Documentation

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