Contents
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Cisco SCE 2000 and SCE 1000 Software Configuration Guide
OL-7827-12
C H A P T E R
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
C H A P T E R
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