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CHAPTER 3
Managing Stateful SRP Switchover
Stateful SRP Switchover Overview
Copyright © 2010, Juniper Networks, Inc.
This chapter describes how to manage Juniper Networks Stateful SRP Switchover (also
referred to as high availability or HA) software features for E Series routers. Use this
chapter with "Managing Module Redundancy" on page 9 to fully manage the SRP
features.
This chapter contains the following sections:
Stateful SRP Switchover Overview on page 35
Stateful SRP Switchover Platform Considerations on page 36
Stateful SRP Switchover Redundancy Modes on page 37
Stateful SRP Switchover States on page 38
Application Support for Stateful SRP Switchover on page 42
Guidelines for Activating High Availability on page 51
Activating High Availability on page 52
Guidelines for Deactivating High Availability on page 53
Deactivating High Availability on page 53
Guidelines for Setting the IP Interface Priority on page 54
Setting the IP Interface Priority on page 54
Guidelines for Upgrading Software on page 55
Monitoring the Redundancy Status on page 56
Monitoring the Redundancy Status of Applications on page 59
Monitoring the Redundancy History on page 61
Monitoring the Redundancy Status of Line Modules on page 62
Monitoring the Redundancy Status of SRP Modules on page 63
Monitoring the Redundancy Switchover History on page 65
Clearing the Redundancy History on page 65
Stateful SRP switchover is the idea of reducing or eliminating single points of failure.
When applied to the E Series router, stateful SRP switchover provides both
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