White Papers

Table Of Contents
VRRP Overview..............................................................................................................................................................1105
VRRP Benefits................................................................................................................................................................ 1106
VRRP Implementation...................................................................................................................................................1106
VRRP Configuration...................................................................................................................................................... 1107
Configuration Task List........................................................................................................................................... 1107
Setting VRRP Initialization Delay.......................................................................................................................... 1115
Sample Configurations...................................................................................................................................................1116
VRRP in a VRF Configuration................................................................................................................................ 1119
VRRP for IPv6 Configuration................................................................................................................................ 1124
Proxy Gateway with VRRP.......................................................................................................................................... 1128
Chapter 68: Debugging and Diagnostics....................................................................................1132
Offline Diagnostics.........................................................................................................................................................1132
Important Points to Remember............................................................................................................................ 1132
Running Offline Diagnostics...................................................................................................................................1132
Trace Logs....................................................................................................................................................................... 1135
Auto Save on Crash or Rollover................................................................................................................................. 1135
Last Restart Reason......................................................................................................................................................1135
Hardware Watchdog Timer..........................................................................................................................................1136
Using the Show Hardware Commands..................................................................................................................... 1136
Enabling Environmental Monitoring........................................................................................................................... 1137
Recognize an Overtemperature Condition.........................................................................................................1138
Troubleshoot an Over-temperature Condition..................................................................................................1138
Recognize an Under-Voltage Condition..............................................................................................................1139
Troubleshoot an Under-Voltage Condition........................................................................................................ 1139
Troubleshooting Packet Loss...................................................................................................................................... 1140
Displaying Drop Counters.......................................................................................................................................1140
Dataplane Statistics.................................................................................................................................................1143
Display Stack Port Statistics................................................................................................................................. 1144
Display Stack Member Counters.......................................................................................................................... 1144
Enabling Application Core Dumps...............................................................................................................................1147
Mini Core Dumps............................................................................................................................................................ 1147
Enabling TCP Dumps.....................................................................................................................................................1148
Chapter 69: Standards Compliance...........................................................................................1149
IEEE Compliance............................................................................................................................................................ 1149
RFC and I-D Compliance..............................................................................................................................................1150
General Internet Protocols.....................................................................................................................................1150
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).....................................................................................1155
Routing Information Protocol (RIP).....................................................................................................................1156
Multicast.....................................................................................................................................................................1156
Network Management............................................................................................................................................ 1156
MIB Location................................................................................................................................................................... 1162
Chapter 70: X.509v3.................................................................................................................1163
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