Dense Wavelength Division Multiplexing Commands on the Cisco ASR 9000 Series Router
loopback (DWDM)
Examples
In the following example, all packets are looped back to the DWDM controller:
RP/0/RSP0/CPU0:router(config)# controller dwdm 0/0/0/0
RP/0/RSP0/CPU0:router(config-dwdm)# loopback internal
Cisco ASR 9000 Series Aggregation Services Router Interface and Hardware Component Command Reference,
Release 5.3.x
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