Configuration manual

E-Series ExaScale Debugging and Diagnostics | 1235

E-Series ExaScale

Debugging and Diagnostics

This chapter addresses E-Series ExaScale Debugging and Diagnostics ExaScale platforms. Refer to

Chapter 62, E-Series TeraScale Debugging and Diagnostics for information relating to that platform.

In addition to the FTOS high availability features, FTOS supports several diagnostics and debug features

that are integral components to delivering maximum uptime. These features include the following:

• System health checks on page 1237

• Line card loopback checks on page 1237

• Manual loopback test on page 1240

• Power On/Off the SFM on page 1241

• Reset the SFM on page 1243

• Inter-CPU timeouts on page 1245

• Software debugging commands on page 1247

• Hardware debugging commands on page 1247

• show hardware commands on page 1252

• Identify a suspect SFM on page 1256

• Identify a suspect line card on page 1257

• Last restart reason on page 1257

• Hardware watchdog timer on page 1258

• Information files and logs on page 1258

• Trace logs on page 1259

• Automatic trace log updates on page 1260

• Save a trace log to a file on the flash on page 1260

• Manual reload messages on page 1260

• CP/RP1/RP2 software exceptions on page 1261

• Recognize a high CPU condition on page 1261

• Command history on page 1262

• Software exception handling on line cards on page 1262

• Crash logs on page 1263

• Core dumps on page 1263