Juniper JUNOSE SOFTWARE FOR E SERIES 11.3.X - SERVICE AVAILABILITY CONFIGURATION GUIDE 2010-10-08 Configuration Manual page 15

List of Figures
Part 1
Chapter 1
Chapter 2
Chapter 3
Chapter 4
Chapter 6
Chapter 7
Copyright © 2010, Juniper Networks, Inc.
Chapters
Service Availability . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Figure 1: JunosE Software Service Availability Layers . . . . . . . . . . . . . . . . . . . . . . . . 4
Managing Module Redundancy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Figure 2: SRP Module on ERX7xx Models and ERX14xx Models . . . . . . . . . . . . . . . 18
Figure 3: SRP Module on the E120 and E320 Routers . . . . . . . . . . . . . . . . . . . . . . . 19
Managing Stateful SRP Switchover . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
Figure 4: High Availability States . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
Managing Stateful Line Module Switchover . . . . . . . . . . . . . . . . . . . . . . . . . . 67
Figure 5: Stateful Line Module Switchover States . . . . . . . . . . . . . . . . . . . . . . . . . 85
Configuring VRRP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 149
Figure 6: Basic VRRP Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 154
Figure 7: Commonly Used VRRP Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . 155
Figure 8: VRRP Configuration Without the Real Address Owner . . . . . . . . . . . . . 156
Managing Interchassis Redundancy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 169
Figure 9: ICR Deployment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 170
Figure 10: Sample 1:1 Subscriber Redundancy in a 4-Node ICR Cluster . . . . . . . . 173
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