BLADE OS™ Application Guide HP GbE2c Ethernet Blade Switch for c-Class BladeSystem Version 5.1 Advanced Functionality Software

Table Of Contents
BLADE OS 5.1 Application Guide
10 Contents BMD00113, September 2009
Part 3: High Availability Fundamentals 225
Chapter 14: High Availability 227
Layer 2 Failover
228
Uplink Failure Detection (UFD) Migration
228
Auto Monitoring Trunk Links
228
VLAN Monitor
229
Auto Monitor Configurations
229
Setting the Failover Limit
231
Manually Monitoring Port Links
231
L2 Failover with Other Features
232
LACP
232
Spanning Tree Protocol
232
Configuration Guidelines
233
Auto Monitor Guidelines
233
Manual Monitor Guidelines
233
Configuring Layer 2 Failover
234
Auto Monitor Example
234
Manual Monitor Example
235
Server Link Failure Detection
236
Spanning Tree Protocol with SFD
237
Configuration Guidelines
237
Configuring Server Link Failure Detection
237
Configuring SFD on Switch 1
237
Configuring SFD on Switch 2
238
VRRP Overview
239
VRRP Components
239
VRRP Operation
240
Selecting the Master VRRP Router
241
Failover Methods
242
Active-Active Redundancy
243
Virtual Router Group
243
BLADE OS Extensions to VRRP
244
Virtual Router Deployment Considerations
245
High Availability Configurations
246