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bier

Syntax

Hierarchy Level

Description

Enable Bit Index Explicit Replication (BIER) on the routing device.

You must include the bier statement in the configuration to enable BIER on the router.

Options

sub-domain

Assign a numeric value to the sub-domain. It represents a specific topology within a BIER domain.

  • Range: 0 through 255.

bfr-id

A BFR-ID is a number assigned to an ingress or egress BFR. A BFR-ID must be unique within that BIER sub-domain.

  • Range: 1 through 1024.

bfr-prefix

A BFR prefix is typically the configured loopback address of a BFR and must be a routable IP address in the BIER domain. Mandatory.

encapsulation

Specify encapsulation type.

  • mpls—Currently Junos only supports MPLS encapsulation.
bitstringlen

Configure bit string length.

  • Currently Junos only supports a bit string length of 256.
number-sets

Specify the number of BIER sets.

  • Default: 4

  • Range: 1 through 4

Default

BIER is disabled on the routing device.

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 Evolved OS Release 23.4R2-S1.