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delay-measurement (Source Packet Routing)

Syntax

Hierarchy Level

Description

Enable delay measurement for the specified segment routing candidate path. The protocol initiates delay measurement for all segment-lists configured for the candidate path. Note that the candiddate path must not be delegated and at least one configured primary or secondary path must have a configured return path.

Make sure that the return path and candidate path forward are of the same type, that is either SR-MPLS or SRv6. Only statically configured segment-lists are supported for delay-measurement. If you deactivate or delete this feature then delay measurement is stopped.

Default

Delay measurement is disabled by default.

Options

advertisement Enable advertising of link latency information to devices configured with SR-TE. .

  • accelerated: Enable accelerated advertisement of delay measurement data. By Default, accelerated advertisement is disabled and advertisement occurs periodically.

    • threshold: Specify a threshold percentage. Advertise measured data only if change in data is more than the specified threshold percentage from the last advertised data. We recommend that you configure this value greater than the periodic threshold values so that you are notified with new data when the change is higher. If the change is comparatively low then you are notified after the set periodic time interval.

      • Range: 1 through 10

      • Default: 20%

  • periodic

    • interval: Specify a time interval between notifications.

      • Range: 30 through 3600 seconds

      • Default: 120

    • threshold: Specify a periodic threshold percentage.

      • Range: 1 through 100 %

      • Default: 10%
probe-count (seconds)

Specify the number of probes sent in a single measurement test cycle.

  • Range: 1 through 15

  • Default: 10

probe-interval (seconds) Specify the time interval between 2 probes for this candidate path’s segment list in seconds.

  • Range: 1 through 255

  • Default: 3 seconds

Required Privilege Level

routing

Release Information

Statement introduced in Junos OS Evolved Release 24.4R1.

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