Dell Force10 S25N-S50N FTOS Command Line Reference Guide FTOS 8.4.2.7 E-Series - Page 1537
dataplane-diag disable sfm-bringdown
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Usage Information The runtime dataplane loopback test, by default, runs in the background. Every 10 seconds, the primary RPM and each line card sends packets through the SFMs and back again (loopback) to monitor the overall health status of the dataplane at a system level. This command disables that automatic runtime loopback test. Execute the show diag sfm command to view the diagnostics results (see Figure 65-1). Note: Only the Primary RPM can perform runtime dataplane loopback test. Example Figure 65-1. show diag sfm Command Example FTOS#show diag sfm Switch Fabric Module Loopback Test: enabled SFM Walk-Through in Loopback Test: enabled SFM Bring-Down in Loopback Test: enabled Switch Fabric Module Loopback State: on -- Route Processor Modules -- Slot Test Status Last Result Time Stamp 0 off none 1 on pass Feb 16 2007 15:50:26 -- Line cards -- Slot Test Status Last Result Time Stamp 0 off none 1 off none 2 on pass Feb 16 2007 15:50:26 3 off none 4 on pass Feb 16 2007 15:50:26 5 off none 6 off none FTOS# dataplane-diag disable sfm-bringdown e Disable the automatic bring down of the single faulty SFM identified by the SFM walk during the RPM-SFM runtime loopback test. Syntax dataplane-diag disable sfm-bringdown To re-enable the automatic SFM bring down, use the no dataplane-diag disable sfm-bringdown command. Defaults Enabled Command Modes CONFIGURATION Command History Version 6.5.4.0 Introduced Usage Information If a full set of SFMs are online during the runtime loopback test and a failure occurs, an automatic SFM walk is launched in an attempt to determine if the failure is due to a single faulty SFM. If confirmed, the single faulty SFM is identified and disabled by default. This command disables the automatic bring down of that suspect SFM. Related Commands dataplane-diag disable loopback Disable the runtime dataplane loopback test E-Series Debugging and Diagnostics | 1537