Juniper JUNOSE SOFTWARE FOR E SERIES 11.3.X - COMMAND REFERENCE A TO M 2010-10-19 Command Reference Manual page 1294

JunosE 11.3.x Command Reference Guide A to M
Options
Mode
1250
local—Loops the data back toward the router; on supported line modules also sends
an alarm indication signal (AIS) out toward the network.
network payload—Loops the data toward the network after the framer has processed
the data.
network line—Loops the data toward the network before the data reaches the framer.
remote—Sends a signal notifying the device at the remote end to activate or deactivate
the line loopback.
network—Loops the data toward the network before the data reaches the framer.
payload—Loops the data toward the network after the framer has processed the data.
diagnostic—Places the interface into internal loopback
line—ATM interface: places the interface into external loopback; POS interface: connects
the received network signal directly to the transmit network signal. When configured
in line loopback mode, the router never receives data from the network.
internal—Connects the local transmitted signal to the local received signal
Controller Configuration, Interface Configuration
Copyright © 2010, Juniper Networks, Inc.