Cisco Systems UBR7225VXR Reporting Functions, Parameter High Warning High Critical Shutdown

Chapter 5 Maintaining the Cisco uBR7225VXR Router

Environmental Monitoring and Reporting Functions

•Shutdown—The processor has detected a temperature condition that could result in physical damage to system components and has disabled DC power to all internal components. Requires immediate operator action. Before any shutdown, the system logs the status of monitored parameters in NVRAM so that you can retrieve it later to help determine the cause of the problem. The power supply repeatedly attempts to restart itself within 90 seconds to clear the temperature condition.

•Power supply shutdown—The power supply detected an internal out-of-tolerance overvoltage, overcurrent, or temperature condition and shut itself down. The power supply repeatedly attempts to restart itself within 90 seconds to clear the shutdown condition.

Table 5-1lists the temperature thresholds for the processor-monitored levels.

Table 5-1	Typical Processor-Monitored Temperature Thresholds for the Cisco uBR7225VXR
Parameter		High Warning	High Critical	Shutdown
NPE Inlet		111°F (44°C)	138°F (59°C)	176°F (80°C)
NPE Outlet		120°F (49°C)	147°F (64°C)	183°F (84°C)
MP NPE Inlet		120°F (49°C)	147°F (64°C)	183°F (84°C)
MP NPE		120°F (49°C)	147°F (64°C)	183°F (84°C)
MP LC Inlet		105°F (41°C)	132°F (56°C)	168°F (76°C)
MP LC		107°F (42°C)	134°F (57°C)	170°F (77°C)

Temperature sensors are located on the NPE Inlet and NPE Outlet. See the appropriate chapter for your NPE in the Network Processing Engine and Network Services Engine Installation and Configuration document for their exact locations. Temperature MP NPE Inlet is located on NPE side of the inlet edge of the midplane. Temperature MP LC Inlet is located on line card side of the inlet edge of the midplane. Temperature MP NPE is located on NPE side of the middle of the midplane. Temperature MP LC is located on line card side of the middle of the midplane.

If the air temperature exceeds a defined threshold, the system controller displays warning messages on the console terminal and, if the temperature exceeds the shutdown threshold, it shuts down the system. The system stores the present parameter measurements for both temperature and DC voltage in NVRAM so that you can retrieve them later as a report of the last shutdown parameters.

The power supplies monitor internal power supply temperature and voltages. A power supply is either within tolerance (normal) or out of tolerance (critical). If an internal power supply temperature or voltage reaches a critical level, the power supply shuts down without any interaction with the system processor.

Reporting Functions

The Cisco uBR7225VXR router displays warning messages on the console if chassis interface-monitored parameters exceed a desired threshold. You can also retrieve and display environmental status reports with the show environment, show environment all, show environment last, and show environment table commands. Parameters are measured and reporting functions are updated every 60 seconds. A brief description of each of these commands follows.

Cisco uBR7225VXR Universal Broadband Router Hardware Installation Guide

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