Administrator Guide

VRRP for an IPv4 Configuration................................................................................................. 895
VRRP in a VRF Configuration..................................................................................................... 900
56 Z-Series Debugging and Diagnostics...........................................................906
Offline Diagnostics........................................................................................................................... 906
Important Points to Remember................................................................................................. 906
Running Offline Diagnostics.......................................................................................................907
TRACE Logs........................................................................................................................................911
Auto Save on Crash or Rollover.................................................................................................. 911
Last Restart Reason........................................................................................................................... 911
Line Card Restart Causes and Reasons.......................................................................................911
Hardware Watchdog Timer...............................................................................................................911
show hardware Commands..............................................................................................................911
Environmental Monitoring................................................................................................................914
..................................................................................................................................................... 914
Recognize an Over-Temperature Condition.............................................................................914
Troubleshoot an Over-Temperature Condition........................................................................ 915
Recognize an Under-Voltage Condition....................................................................................915
Troubleshoot an Under-Voltage Condition...............................................................................915
Buffer Tuning.....................................................................................................................................916
Buffer Tuning Points....................................................................................................................917
Decide to Tune Buffers............................................................................................................... 918
Using the Buffer Tuning Commands..........................................................................................918
Sample Buffer Profile Configuration..........................................................................................920
Troubleshooting Packet Loss........................................................................................................... 921
Displaying Drop Counters...........................................................................................................921
Displaying Dataplane Statistics...................................................................................................922
Displaying Stack Member Counters...........................................................................................923
Enabling Application Core Dumps...................................................................................................923
Mini Core Dumps..............................................................................................................................924
Enabling TCP Dumps........................................................................................................................924
57 Standards Compliance......................................................................................926
IEEE Compliance.............................................................................................................................. 926
RFC and I-D Compliance..................................................................................................................927
General Internet Protocols......................................................................................................... 927
General IPv4 Protocols...............................................................................................................928
General IPv6 Protocols...............................................................................................................929
Border Gateway Protocol (BGP).................................................................................................929
Open Shortest Path First (OSPF)................................................................................................ 930
Intermediate System to Intermediate System (IS-IS)................................................................. 931
Routing Information Protocol (RIP)............................................................................................931