ProLiant BL p-Class GbE2 Interconnect Switch Application Guide

Contents 6
OSPF
OSPF overview.................................................................................................................................... 111
Types of OSPF areas ....................................................................................................................... 111
Types of OSPF routing devices.......................................................................................................... 112
Neighbors and adjacencies ............................................................................................................. 113
Link-State Database ......................................................................................................................... 113
Shortest Path First Tree..................................................................................................................... 113
Internal versus external routing.......................................................................................................... 113
OSPF implementation in GbE2 software.................................................................................................. 114
Configurable parameters ................................................................................................................. 114
Defining areas................................................................................................................................ 114
Interface cost.................................................................................................................................. 116
Electing the designated router and backup ......................................................................................... 116
Summarizing routes......................................................................................................................... 116
Default routes ...................................................................................................................................... 117
Virtual links .................................................................................................................................... 117
Router ID........................................................................................................................................ 118
Authentication ................................................................................................................................ 118
Host routes for load balancing.......................................................................................................... 119
OSPF features not supported in this release ........................................................................................ 120
OSPF configuration examples................................................................................................................ 120
Example 1: Simple OSPF domain (CLI example).................................................................................. 120
Example 2: Virtual links ................................................................................................................... 128
Configuring OSPF for a virtual link on Switch B................................................................................... 130
Example 3: Summarizing routes........................................................................................................ 131
Verifying OSPF configuration............................................................................................................ 132
Remote monitoring
Introduction......................................................................................................................................... 133
Overview............................................................................................................................................ 133
RMON group 1—statistics ............................................................................................................... 133
RMON group 2—history.................................................................................................................. 136
RMON group 3—alarms ................................................................................................................. 137
RMON group 9—events .................................................................................................................. 141
High availability
Introduction......................................................................................................................................... 143
Uplink Failure Detection........................................................................................................................ 143
Failure Detection Pair....................................................................................................................... 144
Spanning Tree Protocol with UFD ...................................................................................................... 144
Configuration guidelines .................................................................................................................. 144
Monitoring Uplink Failure Detection................................................................................................... 144
Configuring Uplink Failure Detection ................................................................................................. 145
VRRP overview..................................................................................................................................... 148
VRRP components............................................................................................................................ 148
VRRP operation.................................................................................................................................... 149
Selecting the master VRRP router ....................................................................................................... 149
Failover methods.................................................................................................................................. 149
Active-Active redundancy................................................................................................................. 150
GbE2 extensions to VRRP...................................................................................................................... 150
Tracking VRRP router priority ............................................................................................................ 150
Virtual router deployment considerations................................................................................................. 151
Assigning VRRP virtual router ID........................................................................................................ 151
Configuring the switch for tracking.................................................................................................... 151
High availability configurations ............................................................................................................. 151
Active-Active configuration ............................................................................................................... 152