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Hierarchy Level


Configure a topology identifier for a topology enabled for OSPF.


The default identifier for the default topology is 0, and the default identifier for the topology for IPv4 multicast traffic is 1. These identifiers are predefined and cannot be modified.


number—The integer value used to identify the topology.

  • Range: 32 through 127

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 9.0.