x21LineLoopbackCommand

This variable represents the  loopback  state
x21NoLoop
		Not in the loopback state. Normal traffic can be sent
x21DiagnosticMetallicLoop
		Loopbacks the line on the back-card towards the Network.
x21DiagnosticFrontcardLoop
		Loopbacks the line on the frontcard toward the Network.
x21RemoteLoop
   		The remote NTU is in the loop back mode.
		In this state, the FRSM-HS1 is sending the loopback 
		code to remote NTU.
	 Default is x21NoLoop.
	 Note: Before going into one of the loopbacks the state
	 should be x21NoLoop.

MIB

CISCO-WAN-FR-X21-MIB

OID

.1.3.6.1.4.1.351.110.4.5.1.1.1.5

Type

column

Access

readwrite

Status

current

Parent

x21CnfGrpEntry