Cisco MDS 9000 series Command Reference Manual page 961

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S e n d d o c u m e n t a t i o n c o m m e n t s t o m d s f e e d b a c k - d o c @ c i s c o . c o m

The following example performs the internal loopback test for a Fibre Channel interface.

switch# system health internal-loopback interface iscsi 8/1

Internal loopback test on interface iscsi 8/1 was successful.

Round trip time taken is 79 useconds

Related Commands

system health

external-loopback

system health

serdes-loopback

OL-8413-07, Cisco MDS SAN-OS Release 3.x

Configures Online Health Management System (OHMS) features for a

specified interface or for the entire switch.

Explicitly runs an external OHMS loopback test on demand for a specified

interface or module.

Explicitly runs an internal OHMS Serializer/Deserializer (Serdes) loopback

test on demand for a Fibre Channel interface.

system health internal-loopback

Cisco MDS 9000 Family Command Reference