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# mpls signaling-interface

#### Syntax

mpls signaling-interface interfaceType interfaceSpecifier

no mpls signaling-interface

#### Release Information

Command introduced in JUNOSe Release 7.1.0.

#### Description

Specifies a particular layer 2 interface as the signaling interface for an MPLS major interface that is stacked on an ATM AAL5 interface. MPLS uses the IPv4 or IPv6 interface stacked on the specified interface for signaling. The no version restores the default behavior, wherein MPLS nondeterministically selects a layer 2 interface as the signaling interface.

| Note: You can configure this command only for interfaces that use the interface label space. For interfaces that use the platform label space, the signaling interface is always next to the MPLS major interface, that is, stacked on the same lower interface and is not configurable.

#### Options

- interfaceType—Interface type; see Interface Types and Specifiers
- interfaceSpecifier—Particular interface; format varies according to interface type; see Interface Types and Specifiers

#### Mode

Interface Configuration

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