Contents
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Cisco SCE 2000 and SCE 1000 Software Configuration Guide
OL-7827-12
CHAPTER
10 Redundancy and Fail-Over 10-1
Introduction 10-1
Information About Redundancy and Fail-Over 10-1
Terminology and Definitions 10-2
Redundant Topologies 10-2
In-line Dual Link Redundant Topology 10-3
Failure Detection 10-4
Link Failure Reflection 10-4
How to Configure Forced Failure 10-5
How to Force a Virtual Failure Condition 10-5
How to Exit a Virtual Failure Condition 10-5
Hot Standby and Fail-over 10-5
Hot Standby 10-5
Fail-over 10-6
Failure in the Cascade Connection 10-7
Installing a Cascaded System 10-7
Recovery 10-8
Replacing the SCE platform (manual recovery) 10-9
Manual steps: 10-9
Automatic steps (in parallel with the manual steps, requires no user intervention): 10-9
Reboot only (fully automatic recovery) 10-9
CLI Commands for Cascaded Systems 10-10
Topology-Related Parameters for Redundant Topologies 10-10
Configuring the Connection Mode 10-10
Examples 10-11
Monitoring a Cascaded System 10-11
How to View the Current Connection Mode 10-11
How to View the Current Link Mode 10-11
How to View Current Link Mappings 10-11
System Upgrades 10-12
Firmware Upgrade (package installation) 10-12
Application Upgrade 10-13
Simultaneous Upgrade of Firmware and Application 10-13
CHAPTER
11 Identifying and Preventing Distributed-Denial-Of-Service Attacks 11-1
Introduction 11-1
Attack Filtering and Attack Detection 11-1
Attack Filtering 11-2
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