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preserve-nexthop-hierarchy (SRv6 TE)

date_range 09-Dec-23
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Syntax

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preserve-nexthop-hierarchy {
                  (sr-mpls | srv6);
}

Hierarchy Level

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[edit protocols source-packet-routing]

Description

Enable preserve-nexthop hierarchy support for source packet routing. When you enable preserve-nexthop-hierarchy, SRv6 TE transport is populated correctly so that service resolution is performed properly. The preserve-nexthop-hierarchy statement at the [edit protocols source-packet-routing] hierarchy level is a prerequisite for configuring SR-TE SRv6 tunnels. However, if you enable the global configuration statement set routing-options resolution preserve-nexthop-hierarchy, then preserve-nexthop-hierarchy statement at the [edit protocols source-packet-routing] is not mandatory. Additionally, you have an option to enable the preserve-nexthop-hierarchy only for a certain data plane for transports populated by SR-TE. The following options when enabled disable the preserve-nexthop-hierarchy for that data plane.

Options

sr-mpls

Disable preserve-nexthop-hierarchy for sr-mpls.

srv6

Disable preserve-nexthop-hierarchy for srv6.

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 21.3R1.

Related Documentation

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