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Section V: Deployment Best Practices
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Section V: Deployment Best Practices
by Aaron Woland, Jamey Heary
Cisco ISE for BYOD and Secure Unified Access
About This eBook
Title Page
Copyright Page
About the Authors
About the Technical Reviewers
Dedications
Acknowledgments
Contents at a Glance
Contents
Command Syntax Conventions
Introduction
Objectives of This Book
Who Should Read This Book?
How This Book Is Organized
Section I: The Evolution of Identity Enabled Networks
Chapter 1. Regain Control of Your IT Security
Security: A Weakest-Link Problem with Ever More Links
Cisco Identity Services Engine
Summary
Chapter 2. Introducing Cisco Identity Services Engine
Systems Approach to Centralized Network Security Policy
What Is the Cisco Identity Services Engine?
ISE Authorization Rules
Summary
Section II: The Blueprint, Designing an ISE Enabled Network
Chapter 3. The Building Blocks in an Identity Services Engine Design
ISE Solution Components Explained
ISE Personas
ISE Licensing, Requirements, and Performance
ISE Policy-Based Structure Explained
Summary
Chapter 4. Making Sense of All the ISE Deployment Design Options
Centralized Versus Distributed Deployment
Summary
Chapter 5. Following a Phased Deployment
Why Use a Phased Deployment Approach?
Monitor Mode
Choosing Your End-State Mode
Transitioning from Monitor Mode into an End-State Mode
Summary
Section III: The Foundation, Building a Context-Aware Security Policy
Chapter 6. Building a Cisco ISE Network Access Security Policy
What Makes Up a Cisco ISE Network Access Security Policy?
Involving the Right People in the Creation of the Network Access Security Policy
Determining the High-Level Goals for Network Access Security
Common High-Level Network Access Security Goals
Defining the Security Domains
Understanding and Defining ISE Authorization Rules
Establishing Acceptable Use Policies
Defining Network Access Privileges
Summary
Chapter 7. Building a Device Security Policy
Host Security Posture Assessment Rules to Consider
ISE Device Profiling
Summary
Chapter 8. Building an ISE Accounting and Auditing Policy
Why You Need Accounting and Auditing for ISE
Using PCI DSS as Your ISE Auditing Framework
Cisco ISE User Accounting
Summary
Section IV: Configuration
Chapter 9. The Basics: Principal Configuration Tasks for Cisco ISE
Bootstrapping Cisco ISE
Using the Cisco ISE Setup Assistant Wizard
Configuring Network Devices for ISE
Completing the Basic ISE Setup
Installing ISE Behind a Firewall
Role-Based Access Control for Administrators
Summary
Chapter 10. Profiling Basics
Understanding Profiling Concepts
Examining Profiling Policies
Using Profiles in Authorization Policies
Feed Service
Summary
Chapter 11. Bootstrapping Network Access Devices
Bootstrap Wizard
Cisco Catalyst Switches
Cisco Wireless LAN Controllers
Summary
Chapter 12. Authorization Policy Elements
Authorization Results
Summary
Chapter 13. Authentication and Authorization Policies
Relationship Between Authentication and Authorization
Authentication Policies
Understanding Authentication Policies
Authorization Policies
Saving Attributes for Re-Use
Summary
Chapter 14. Guest Lifecycle Management
Guest Portal Configuration
Guest Sponsor Configuration
Authentication and Authorization Guest Policies
Guest Sponsor Portal Configuration
Guest Sponsor Portal Usage
Configuration of Network Devices for Guest CWA
Summary
Chapter 15. Device Posture Assessment
ISE Posture Assessment Flow
Configure Global Posture and Client Provisioning Settings
Configure the NAC Agent and NAC Client Provisioning Settings
Configure Posture Conditions
Configure Posture Remediation
Configure Posture Requirements
Configure Posture Policy
Enabling Posture Assessment in the Network
Summary
Chapter 16. Supplicant Configuration
Comparison of Popular Supplicants
Configuring Common Supplicants
Summary
Chapter 17. BYOD: Self-Service Onboarding and Registration
BYOD Challenges
Onboarding Process
Managing Endpoints
The Opposite of BYOD: Identify Corporate Systems
Summary
Chapter 18. Setting Up a Distributed Deployment
Configuring ISE Nodes in a Distributed Environment
Understanding the HA Options Available
Node Groups
Using Load Balancers
Summary
Chapter 19. Inline Posture Node
Use Cases for the Inline Posture Node
Summary
Section V: Deployment Best Practices
Chapter 20. Deployment Phases
Why Use a Phased Approach?
Monitor Mode
Low-Impact Mode
Closed Mode
Transitioning from Monitor Mode to Your End State
Wireless Networks
Summary
Chapter 21. Monitor Mode
Endpoint Discovery
Using Monitoring to Identify Misconfigured Devices
Summary
Chapter 22. Low-Impact Mode
Transitioning from Monitor Mode to Low-Impact Mode
Configuring ISE for Low-Impact Mode
Monitoring in Low-Impact Mode
Tightening Security
Summary
Chapter 23. Closed Mode
Transitioning from Monitor Mode to Closed Mode
Configuring ISE for Closed Mode
Monitoring in Closed Mode
Tightening Security
Summary
Section VI: Advanced Secure Unified Access Features
Chapter 24. Advanced Profiling Configuration
Creating Custom Profiles for Unknown Endpoints
Advanced NetFlow Probe Configuration
Profiler COA and Exceptions
Profiler Monitoring and Reporting
Summary
Chapter 25. Security Group Access
Ingress Access Control Challenges
What Is Security Group Access?
Transport: Security Group eXchange Protocol (SXP)
Transport: Native Tagging
Enforcement
Summary
Chapter 26. MACSec and NDAC
MACSec
Network Device Admission Control
Summary
Chapter 27. Network Edge Authentication Topology
NEAT Explained
Configuring NEAT
Summary
Section VII: Monitoring, Maintenance, and Troubleshooting
Chapter 28. Understanding Monitoring and Alerting
ISE Monitoring
ISE Reporting
ISE Alarms
Summary
Chapter 29. Troubleshooting
Diagnostics Tools
Troubleshooting Methodology
Common Error Messages and Alarms
ISE Node Communication
Summary
Chapter 30. Backup, Patching, and Upgrading
Repositories
Backup
Restore
Summary
Appendix A. Sample User Community Deployment Messaging Material
Sample Identity Services Engine Requirement Change Notification Email
Sample Identity Services Engine Notice for a Bulletin Board or Poster
Sample Identity Services Engine Letter to Students
Appendix B. Sample ISE Deployment Questionnaire
Appendix C. Configuring the Microsoft CA for BYOD
CA Requirements
Other Useful Information
Microsoft Hotfixes
AD Account Roles
Configuration Steps
Configure the Certificate Template
Useful Links
Appendix D. Using a Cisco IOS Certificate Authority for BYOD Onboarding
Set Hostname, Domain Name, and HTTP Server
Generate and Export the RSA Key Pair for the Certificate Server
Configure the CA Server on the Router
Important Notes
Appendix E. Sample Switch Configurations
Catalyst 3000 Series, 12.2(55)SE
Catalyst 3000 Series, 15.0(2)SE
Catalyst 4500 Series, IOS-XE 3.3.0 / 15.1(1)SG
Catalyst 6500 Series, 12.2(33)SXJ
Index
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Chapter 19. Inline Posture Node
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Chapter 20. Deployment Phases
Section V: Deployment Best Practices
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