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explicit-null (Protocols MPLS)


Hierarchy Level


Advertise label 0 to the egress router of an LSP.


If you do not include the explicit-null statement in the MPLS configuration, label 3 (implicit null) is advertised.


Junos OS does not support explicit null routes with next hops to virtual tunnel (vt-) interfaces.

Required Privilege Level

routing—To view this statement in the configuration.

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

Release Information

Statement introduced before Junos OS Release 7.4.