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mofrr-disjoint-upstream-only (Multicast-Only Fast Reroute in a PIM Domain)

date_range 20-Nov-23
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Syntax

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mofrr-disjoint-upstream-only;

Hierarchy Level

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[edit logical-systems logical-system-name routing-instances routing-instance-name routing-options multicast stream-protection],
[edit logical-systems logical-system-name routing-options multicast stream-protection],
[edit routing-instances routing-instance-name routing-options multicast stream-protection],
[edit routing-options multicast stream-protection]

Description

When you configure multicast-only fast reroute (MoFRR) in a PIM domain, allow only a disjoint RPF (an RPF on a separate plane) to be selected as the backup RPF path.

In a multipoint LDP MoFRR domain, the same label is shared between parallel links to the same upstream neighbor. This is not the case in a PIM domain, where each link forms a neighbor. The mofrr-disjoint-upstream-only statement does not allow a backup RPF path to be selected if the path goes to the same upstream neighbor as that of the primary RPF path. This ensures that MoFRR is triggered only on a topology that has multiple RPF upstream neighbors.

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 14.1.

Related Documentation

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