Concept Guide

Sample Congurations................................................................................................................................................. 1100
VRRP for an IPv4 Conguration...........................................................................................................................1100
VRRP in a VRF Conguration................................................................................................................................1103
VRRP for IPv6 Conguration................................................................................................................................ 1108
Proxy Gateway with VRRP...........................................................................................................................................1112
65 Debugging and Diagnostics......................................................................................................................1117
Oine Diagnostics......................................................................................................................................................... 1117
Important Points to Remember..............................................................................................................................1117
Running Oine Diagnostics....................................................................................................................................1117
Trace Logs.......................................................................................................................................................................1118
Auto Save on Crash or Rollover................................................................................................................................... 1118
Last Restart Reason......................................................................................................................................................1118
Hardware Watchdog Timer...........................................................................................................................................1119
Using the Show Hardware Commands.......................................................................................................................1119
Enabling Environmental Monitoring............................................................................................................................ 1120
Recognize an Overtemperature Condition.......................................................................................................... 1120
Troubleshoot an Over-temperature Condition..................................................................................................... 1121
Recognize an Under-Voltage Condition................................................................................................................ 1121
Troubleshoot an Under-Voltage Condition............................................................................................................1121
Troubleshooting Packet Loss.......................................................................................................................................1122
Displaying Drop Counters.......................................................................................................................................1123
Dataplane Statistics................................................................................................................................................ 1126
Display Stack Port Statistics..................................................................................................................................1127
Display Stack Member Counters...........................................................................................................................1127
Enabling Application Core Dumps............................................................................................................................... 1129
Mini Core Dumps...........................................................................................................................................................1129
Enabling TCP Dumps....................................................................................................................................................1130
66 Standards Compliance............................................................................................................................. 1131
IEEE Compliance............................................................................................................................................................1131
RFC and I-D Compliance..............................................................................................................................................1132
General Internet Protocols.....................................................................................................................................1132
General IPv4 Protocols...........................................................................................................................................1134
General IPv6 Protocols...........................................................................................................................................1135
Border Gateway Protocol (BGP).......................................................................................................................... 1136
Open Shortest Path First (OSPF).........................................................................................................................1137
Intermediate System to Intermediate System (IS-IS).........................................................................................1137
Routing Information Protocol (RIP)......................................................................................................................1138
Multicast.................................................................................................................................................................. 1139
MIB Location..................................................................................................................................................................1139
67 X.509v3.................................................................................................................................................. 1140
Introduction to X.509v3 certicates...........................................................................................................................1140
X.509v3 certicates............................................................................................................................................... 1140
Certicate authority (CA)...................................................................................................................................... 1140
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