Technical Documentation

Related Topics
Configuring an IP Demux Underlying Interface
Configuring a VLAN Demux Underlying Interface
Specifying the Demux Underlying Interface
Configuring the PPPoE Underlying Interface
Junos OS Interfaces and Routing Configuration Guide

underlying-interface

Syntax

underlying-interface interface-name;

Hierarchy Level

[edit interfaces pp0 unit logical-unit-number pppoe-options],[edit interfaces demux0 unit logical-unit-number demux-options],[edit logical-systems logical-system-name interfaces demux0 unit logical-unit-number demux-options],[edit logical-systems logical-system-name interfaces pp0 unit logical-unit-number pppoe-options],[edit logical-systems logical-system-name routing-instances routing-instance-name interfaces demux0 unit logical-unit-number demux-options][edit logical-systems logical-system-name routing-instances routing-instance-name interfaces pp0 unit logical-unit-number pppoe-options],

Release Information

Statement introduced before Junos OS Release 7.4.

Support for aggregated Ethernet added in Junos OS Release 9.4.

Description

For J Series Services Routers and M120 Internet routers with PPP over Ethernet interfaces, configure the interface on which PPP over Ethernet is running.

For demux interfaces, configure the underlying interface on which the demultiplexing (demux) interface is running.

Options

interface-name—Name of the interface on which PPP over Ethernet or demux is running. For example, at-0/0/1.0 (ATM VC), fe-1/0/1.0 (Fast Ethernet interface), ge-2/0/0.0 (Gigabit Ethernet interface), ae1.0 (for IP demux on an aggregated Ethernet interface), or ae1 (for VLAN demux on an aggregated Ethernet interface).

Note: Demux interfaces are currently supported on Gigabit Ethernet, Fast Ethernet, 10-Gigabit Ethernet interfaces, or aggregated Ethernet devices.

Required Privilege Level

interface—To view this statement in the configuration.

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