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multipath (Routing Options)

Syntax

multipath {vpn-unequal-cost equal-external-internal;as-path-compare;}

Hierarchy Level

[edit logical-systems logical-system-name routing-instances routing-instance-name routing-options],[edit logical-systems logical-system-name routing-instances routing-instance-name routing-options rib routing-table-name],[edit routing-instances routing-instance-name routing-options],[edit routing-instances routing-instance-name routing-options rib routing-table-name]

Release Information

Statement introduced before Junos OS Release 7.4.

equal-external-internal option added in Junos OS Release 8.4.

as-path-compare option introduced in Junos OS Release 10.1

Statement introduced in Junos OS Release 12.3 for ACX Series routers.

Description

Enable protocol-independent load balancing for Layer 3 VPNs. This allows the forwarding next hops for both the active route and alternative paths to be used for load balancing. For IPv6, you must configure the multipath statement at both the [edit routing-instances routing-instance-name routing-options] hierarchy level and the [edit routing-instances routing-instance-name routing-options rib routing-table-name] hierarchy level.

Protocol-independent load balancing is applied to VPN routes that are equal up to their router identifiers (router-id) with regard to route selection.

The options are explained separately.

Required Privilege Level

routing—To view this statement in the configuration.

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

Published: 2013-07-31