Concept Guide

Oine Diagnostics.........................................................................................................................................................1131
Important Points to Remember..............................................................................................................................1131
Running Oine Diagnostics....................................................................................................................................1131
Trace Logs......................................................................................................................................................................1134
Auto Save on Crash or Rollover.................................................................................................................................. 1134
Last Restart Reason..................................................................................................................................................... 1135
Hardware Watchdog Timer..........................................................................................................................................1135
Using the Show Hardware Commands...................................................................................................................... 1135
Enabling Environmental Monitoring............................................................................................................................ 1136
Recognize an Overtemperature Condition...........................................................................................................1137
Troubleshoot an Over-temperature Condition.....................................................................................................1138
Recognize an Under-Voltage Condition............................................................................................................... 1138
Troubleshoot an Under-Voltage Condition...........................................................................................................1138
Buer Tuning................................................................................................................................................................. 1139
Troubleshooting Packet Loss.......................................................................................................................................1140
Displaying Drop Counters.......................................................................................................................................1140
Dataplane Statistics................................................................................................................................................ 1142
Display Stack Port Statistics..................................................................................................................................1143
Display Stack Member Counters...........................................................................................................................1143
Enabling Application Core Dumps............................................................................................................................... 1146
Mini Core Dumps...........................................................................................................................................................1146
Enabling TCP Dumps....................................................................................................................................................1147
66 Standards Compliance............................................................................................................................ 1148
IEEE Compliance........................................................................................................................................................... 1148
RFC and I-D Compliance..............................................................................................................................................1149
General Internet Protocols.....................................................................................................................................1149
General IPv4 Protocols............................................................................................................................................1151
General IPv6 Protocols...........................................................................................................................................1152
Border Gateway Protocol (BGP).......................................................................................................................... 1153
Open Shortest Path First (OSPF)........................................................................................................................ 1154
Intermediate System to Intermediate System (IS-IS)........................................................................................ 1154
Routing Information Protocol (RIP)......................................................................................................................1155
Multicast.................................................................................................................................................................. 1156
Network Management........................................................................................................................................... 1156
MIB Location..................................................................................................................................................................1162
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