Dell C1048P Port Extender Networking Configuration Guide for the C9000 Series - Page 715

show pe pe-id system stack-ports topology Dell#show pe 255 system stack-ports topology Topology: Ring Interface Connection 1/1 3/1 1/2 2/1 2/1 1/2 2/2 3/2 3/1 1/1 3/2 2/2 Locating the Port Extender • Use the location-led command to locate a PE by toggling its LED off and on. EXEC Privilege mode location-led pe pe-id stack-unit unit-number The following example turns on the green blinking light on the main PSU LED on port extender 0 stack unit 5. Dell#location-led pe 0 stack-unit 5 on The following example disables the location-led feature on the PE stack-unit 5 Dell#location-led pe 0 stack-unit 5 off Troubleshooting a PE Stack To troubleshoot the operation of a PE stack, use the following tasks. Diagnosing an Error Condition For debugging purposes, you can prevent the stack master from rebooting after a failover to allow you to gather information on stack operation. CONFIGURATION mode redundancy disable-auto-reboot pe pe-id stack-unit unit-number • pe-id - port-extender identifier of the master unit. The range is 0 through 255. Dell(conf)# redundancy disable-auto-reboot pe 2 stack-unit unit-number NOTE: The redundancy disable-auto-reboot pe command does not affect a forced failover, manual reset, or a stack-link disconnect. Using PE Console Commands To debug an error condition in a PE stack, you can connect a console to the console port on the master unit and enter PE console commands. Contact Dell Networking support for assistance. The supported PE console commands are described in the C9000 Series Command-Line Reference Guide. Port Extender (PE) Stacking 715