Users Guide

VRRP Benefits...............................................................................................................................................................986
VRRP Implementation...................................................................................................................................................986
VRRP Configuration...................................................................................................................................................... 987
Configuration Task List........................................................................................................................................... 987
Setting VRRP Initialization Delay...........................................................................................................................996
Sample Configurations..................................................................................................................................................997
VRRP for an IPv4 Configuration............................................................................................................................997
VRRP in a VRF Configuration.............................................................................................................................. 1000
VRRP for IPv6 Configuration............................................................................................................................... 1006
63 Debugging and Diagnostics.....................................................................................................................1010
Offline Diagnostics........................................................................................................................................................1010
Important Points to Remember............................................................................................................................ 1010
Running Offline Diagnostics.................................................................................................................................. 1010
Trace Logs......................................................................................................................................................................1011
Auto Save on Crash or Rollover...................................................................................................................................1011
Last Restart Reason......................................................................................................................................................1011
Hardware Watchdog Timer......................................................................................................................................... 1012
Using the Show Hardware Commands......................................................................................................................1012
Enabling Environmental Monitoring............................................................................................................................1013
Recognize an Overtemperature Condition..........................................................................................................1013
Troubleshoot an Over-temperature Condition................................................................................................... 1014
Recognize an Under-Voltage Condition...............................................................................................................1014
Troubleshoot an Under-Voltage Condition..........................................................................................................1014
Troubleshooting Packet Loss......................................................................................................................................1015
Displaying Drop Counters...................................................................................................................................... 1016
Dataplane Statistics................................................................................................................................................1019
Display Stack Port Statistics................................................................................................................................ 1020
Display Stack Member Counters......................................................................................................................... 1020
Enabling Application Core Dumps.............................................................................................................................. 1022
Mini Core Dumps..........................................................................................................................................................1022
Enabling TCP Dumps...................................................................................................................................................1023
64 Standards Compliance........................................................................................................................... 1024
IEEE Compliance.......................................................................................................................................................... 1024
RFC and I-D Compliance.............................................................................................................................................1025
General Internet Protocols....................................................................................................................................1025
General IPv4 Protocols..........................................................................................................................................1026
General IPv6 Protocols..........................................................................................................................................1027
Border Gateway Protocol (BGP).........................................................................................................................1029
Open Shortest Path First (OSPF).......................................................................................................................1029
Intermediate System to Intermediate System (IS-IS).......................................................................................1030
Routing Information Protocol (RIP).....................................................................................................................1030
Multicast.................................................................................................................................................................. 1031
MIB Location................................................................................................................................................................. 1031
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