underlying-interface
Syntax
Hierarchy Level
Release Information
Statement introduced before JUNOS Release 7.4.
Support for aggregated Ethernet added in JUNOS 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), or ae1.0 (aggregated Ethernet interface).
![]() | Note: Logical demux interfaces are currently supported only on Gigabit Ethernet, Fast Ethernet, 10-Gigabit Ethernet interfaces, or aggregated Ethernet. |
Required Privilege Level
interface—To view this statement in the configuration.
interface-control—To add this statement to the configuration.


