# dsx1LoopbackConfig

Loopback configuration of the DS1 interface.

#### Syntax

Integer

#### Access

Read/write

#### OID

p.6.1.9.n, where n = the index number of the DS1 interface.

#### Details

The Trunk agent returns badValue in response to a requested loopback state that the interface does not support. Valid types for RFC 2495 are:

Type | Value | Description
--- | --- | ---
dsx1NoLoop | 1 | Not in the loopback state. A device that is not capable of performing a loopback on the interface always returns this value.
dsx1PayloadLoop | 2 | The received signal at this interface is looped through the device. Typically, the received signal is looped back for re-transmission after it passes through the device's framing function.
dsx1LineLoop | 3 | The received signal at this interface does not go through the device.
dsx1OtherLoop | 4 | Loopbacks that are not defined.

Note: The agent always returns dsx1NoLoop (1) because loopback is not supported.