Contents
8
High availability
Introduction ....................................................................................................................................... 167
Uplink Failure Detection ...................................................................................................................... 167
Failure Detection Pair..................................................................................................................... 168
Spanning Tree Protocol with UFD .................................................................................................... 168
Configuration guidelines ................................................................................................................ 169
Monitoring Uplink Failure Detection................................................................................................. 169
Configuring Uplink Failure Detection................................................................................................ 169
Configuring UFD on Switch 1 (CLI example) ................................................................................ 170
Configuring UFD on Switch 2 (CLI example) ................................................................................ 170
Configuring Uplink Failure Detection (BBI example) ...................................................................... 171
VRRP overview................................................................................................................................... 173
VRRP components.......................................................................................................................... 173
Virtual router ........................................................................................................................... 173
Virtual router MAC address....................................................................................................... 173
Owners and renters.................................................................................................................. 173
Master and backup virtual router ............................................................................................... 174
Virtual Interface Router.............................................................................................................. 174
VRRP operation.................................................................................................................................. 174
Selecting the master VRRP router ..................................................................................................... 174
Failover methods................................................................................................................................ 175
Active-Active redundancy ............................................................................................................... 175
HP 10GbE switch extensions to VRRP ................................................................................................... 176
Tracking VRRP router priority .......................................................................................................... 176
Virtual router deployment considerations ............................................................................................... 177
Assigning VRRP virtual router ID ...................................................................................................... 177
Configuring the switch for tracking .................................................................................................. 177
High availability configurations............................................................................................................ 178
Active-Active configuration ............................................................................................................. 178
Task 1: Configure Switch A....................................................................................................... 178
Task 2: Configure Switch B ....................................................................................................... 180
Task 1: Configure Switch A (BBI example)................................................................................... 181
Troubleshooting tools
Introduction ....................................................................................................................................... 191
Port Mirroring.................................................................................................................................... 191
Configuring Port Mirroring (CLI example) ......................................................................................... 192
Configuring Port Mirroring (BBI example) ......................................................................................... 193
Other network troubleshooting techniques ............................................................................................. 195
Console and Syslog messages ........................................................................................................ 195
Ping ............................................................................................................................................ 195
Trace route................................................................................................................................... 195
Statistics and state information ........................................................................................................ 195
Customer support tools................................................................................................................... 195
Index
