Owners Manual

Configuring VRRP on a VRF Instance.......................................................................................1024
Sample VRF Configuration............................................................................................................. 1025
Route Leaking VRFs........................................................................................................................ 1033
62 Virtual Router Redundancy Protocol (VRRP)......................................... 1034
VRRP Overview............................................................................................................................... 1034
VRRP Benefits..................................................................................................................................1035
VRRP Implementation.....................................................................................................................1035
VRRP Configuration........................................................................................................................1036
Configuration Task List.............................................................................................................1036
Setting VRRP Initialization Delay.............................................................................................. 1046
Sample Configurations................................................................................................................... 1047
VRRP for an IPv4 Configuration............................................................................................... 1047
VRRP in a VRF Configuration....................................................................................................1052
63 S-Series Debugging and Diagnostics....................................................... 1057
Offline Diagnostics..........................................................................................................................1057
Important Points to Remember................................................................................................1057
Running Offline Diagnostics.....................................................................................................1057
Trace Logs.......................................................................................................................................1061
Auto Save on Crash or Rollover......................................................................................................1061
Last Restart Reason (S4820T).........................................................................................................1061
Hardware Watchdog Timer............................................................................................................ 1061
Using the Show Hardware Commands......................................................................................... 1062
Enabling Environmental Monitoring.............................................................................................. 1063
Recognize an Overtemperature Condition............................................................................. 1064
Troubleshoot an Over-temperature Condition...................................................................... 1064
Recognize an Under-Voltage Condition.................................................................................1064
Troubleshoot an Under-Voltage Condition............................................................................ 1065
Buffer Tuning.................................................................................................................................. 1066
Deciding to Tune Buffers..........................................................................................................1067
Using a Pre-Defined Buffer Profile...........................................................................................1070
Sample Buffer Profile Configuration........................................................................................ 1070
Troubleshooting Packet Loss..........................................................................................................1071
Displaying Drop Counters.........................................................................................................1071
Dataplane Statistics................................................................................................................... 1072
Display Stack Port Statistics...................................................................................................... 1073
Display Stack Member Counters.............................................................................................. 1074
Enabling Application Core Dumps.................................................................................................1074
Mini Core Dumps............................................................................................................................ 1075
Enabling TCP Dumps......................................................................................................................1076