Dell Force10 E1200i FTOS Version 8.4.1.5 Configuration Guide for ExaScale - Page 1109
Power On/Off the SFM, supported by the chassis
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Note: The dataplane runtime loopback configuration does not apply to this manual loopback test. In the example below, the manual loopback test is successful, and no SFM failure is detected. FTOS#diag sfm all-loopback Proceed with dataplane loopback test [confirm yes/no]:yes SFM loopback test completed successfully. FTOS# If the test passes when the switch fabric is down and there are at least (max-1) SFMs in the chassis, then the system will bring the switch fabric back up automatically. Like the runtime loopback test, the manual loopback test failure will not bring the switch fabric down. Note: Line card-SFM loopback test failure, during the manual test, will trigger an SFM walk. Power On/Off the SFM If you suspect that an SFM is faulty and would like to manually disable it to determine whether any packet loss or forwarding issues are resolved, execute the following command. Task Power on or off a specific SFM. Command power-{off | on} sfm slot-number Mode EXEC Privilege Note: Execute this command only during an offline diagnostics; this command may bring down the switch fabric. When there are a full set of SFMs online, powering down one SFM will reduce the total bandwidth supported by the chassis, and may affect data flow. A warning message is issued at the command line that requires user confirmation to proceed with the command. FTOS#power-off sfm 0 SFM0 is active. Powering it off it might impact the data traffic. Proceed with power-off [confirm yes/no]:yes Feb 15 23:52:53: %RPM1-P:CP %CHMGR-2-MINOR_SFM: Minor alarm: only eight working SFM FTOS# Since this command is for diagnostic purposes, you can power off more than one SFM which may cause a switch fabric module to go down. A warning message is issued at the command line and requires user confirmation to proceed with the command. FTOS#power-off sfm 1 WARNING!! SFM1 is active. Powering it off it will cause Switch Fabric to go down!! E-Series ExaScale Debugging and Diagnostics | 1109
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