# path ds3 loopback

#### Syntax

path pathChannel ds3 ds3Channel loopback { local | network { line | payload } }

no path pathChannel ds3 ds3Channel loopback

[ no ] path pathChannel ds3 ds3Channel loopback remote

#### Release Information

Command introduced before JunosE Release 7.1.0.

#### Description

Configures a loopback at the DS3 layer for a DS3 signal. This command applies to a DS3 over channelized SONET interface. The no version turns off the loopback.

#### Options

- pathChannel—Number, in the range 1–2147483648, that identifies the path
- ds3Channel—Number, in the range 1–3, that identifies the path
- local—Loops the data back toward the router; on supported line modules also sends an alarm indication signal (AIS) out toward the network.
- network { line | payload }—Specify the line keyword to loop the data toward the network before the data reaches the framer. Specify the payload keyword to loop the data toward the network after the framer has processed the data.
- remote—Sends a far end alarm code in the C-bit framing, as defined in ANSI T1.404, to notify the remote end to activate or (when you use the no version) deactivate the line loopback

#### Mode

Controller Configuration