HP Cisco MDS 9140 Cisco MDS 9000 Family Command Reference Guide - Release 4.x - Page 1051
system health external-loopback, source interface fc
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Chapter 21 S Commands system health external-loopback Send documentation comments to [email protected] 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. 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] Note On a Cisco Fabric Switch for HP c-Class BladeSystem and on a Cisco Fabric Switch for IBM 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 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. 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) 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. OL-18089-01, Cisco MDS NX-OS Release 4.x Cisco MDS 9000 Family Command Reference 21-113
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