System Health External-Loopback - Cisco MDS 9124 - Fabric Switch Reference

system health external-loopback

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
system health external-loopback
To explicitly run an external Online Health Management System (OHMS) loopback test on demand
(when requested by the user) for a specified interface or module, use the system health
external-loopback command.
On a Cisco Fabric Switch for HP c-Class BladeSystem and on a Cisco Fabric Switch for IBM
Note
BladeCenter, the syntax differs as follows:
interface {bay port | ext port}
Syntax Description interface
fc slot/port
source
destination
bay | ext port
frame-length bytes
frame-count number
force
Defaults The loopback is disabled.
The frame-length is 0. The frame-count is 1.
Command Modes EXEC mode.
Command History Release
1.3(4)
3.0(1)
3.1(2)
Cisco MDS 9000 Family Command Reference
21-98
system health external-loopback {interface fc slot/port | source interface fc slot/port destination
fc slot/port} [frame-length bytes [frame-count number] | frame-count number] [force]
Modification
This command was introduced.
Added the source and destination keywords and the frame-count and
frame-length options.
Added the interface bay | ext option.
Configures an interface.
(Optional) Configures the Fibre Channel interface specified by the slot
and port on an MDS 9000 Family switch.
Specifies the source Fibre Channel interface.
Specifies the destination Fibre Channel interface.
(Optional) Configures the Fibre Channel interface on a Cisco Fabric
Switch for HP c-Class BladeSystem or on a Cisco Fabric Switch for
IBM BladeCenter . The range is 0 to 48.
Configures the specified length of the loopback test frame in bytes. The
range is 0 to 128 bytes.
Configures the specified number of frames for the loopback test. The
number of frames can range from 1 to 32.
Directs the software to use the non-interactive loopback mode.
Chapter 21
OL-16217-01, Cisco MDS SAN-OS Release 3.x
S Commands