Concept Guide

61 Virtual Routing and Forwarding (VRF)..................................................................................................... 1132
VRF Overview............................................................................................................................................................... 1132
VRF Conguration Notes.............................................................................................................................................1133
DHCP........................................................................................................................................................................1135
VRF Conguration........................................................................................................................................................ 1135
Loading VRF CAM.................................................................................................................................................. 1135
Creating a Non-Default VRF Instance..................................................................................................................1135
Assigning an Interface to a VRF............................................................................................................................1136
Assigning a Front-end Port to a Management VRF........................................................................................... 1136
View VRF Instance Information.............................................................................................................................1136
Assigning an OSPF Process to a VRF Instance...................................................................................................1137
Conguring VRRP on a VRF Instance.................................................................................................................. 1137
Conguring Management VRF..............................................................................................................................1138
Conguring a Static Route.....................................................................................................................................1139
Sample VRF Conguration...........................................................................................................................................1139
Route Leaking VRFs..................................................................................................................................................... 1144
Dynamic Route Leaking................................................................................................................................................1145
Conguring Route Leaking without Filtering Criteria......................................................................................... 1145
Conguring Route Leaking with Filtering.............................................................................................................1148
62 Virtual Router Redundancy Protocol (VRRP)...........................................................................................1151
VRRP Overview............................................................................................................................................................. 1151
VRRP Benets...............................................................................................................................................................1152
VRRP Implementation.................................................................................................................................................. 1152
VRRP Conguration..................................................................................................................................................... 1153
Conguration Task List...........................................................................................................................................1153
Setting VRRP Initialization Delay...........................................................................................................................1162
Sample Congurations................................................................................................................................................. 1163
VRRP for an IPv4 Conguration........................................................................................................................... 1163
VRRP in a VRF Conguration................................................................................................................................1166
VRRP for IPv6 Conguration................................................................................................................................. 1171
Proxy Gateway with VRRP.......................................................................................................................................... 1175
63 Debugging and Diagnostics.....................................................................................................................1180
Oine Diagnostics........................................................................................................................................................1180
Important Points to Remember.............................................................................................................................1180
Running Oine Diagnostics...................................................................................................................................1180
Trace Logs......................................................................................................................................................................1184
Auto Save on Crash or Rollover.................................................................................................................................. 1184
Hardware Watchdog Timer..........................................................................................................................................1184
Enabling Environmental Monitoring............................................................................................................................ 1184
Recognize an Overtemperature Condition.......................................................................................................... 1185
Troubleshoot an Over-temperature Condition.....................................................................................................1186
Recognize an Under-Voltage Condition............................................................................................................... 1186
Troubleshoot an Under-Voltage Condition...........................................................................................................1186
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