Technical data

BLADE OS 5.1 Application Guide
BMD00136, November 2009 Contents
 9
Chapter 14: High Availability  191
Layer 2 Failover
 192
Uplink Failure Detection Migration
 192
Monitoring Trunk Links
 192
Setting the Failover Limit
 193
Manually Monitoring Port Links
 193
L2 Failover with Other Features
 194
Configuration Guidelines
 195
Configuring Layer 2 Failover
 195
VRRP Overview
 196
VRRP Components
 196
VRRP Operation
 197
Selecting the Master VRRP Router
 198
Failover Methods
 198
Active-Active Redundancy
 199
Virtual Router Group
 199
BLADE OS Extensions to VRRP
 200
Virtual Router Deployment Considerations
 201
High Availability Configurations
 202
Active-Active Configuration
 202
Appendix A: Monitoring Ports
 207
Port Mirroring Behavior
 208
Configuring Port Mirroring
 208
Index
 209