hooting Frame Relay Part V. Security and Firewalls 23. Access Lists Designing Access Lists ACLs in Multilayer Switches Reflexive Access Lists Table of Contents 24. Authentication in Cisco Devices Basic (Non-AAA) Authentication AAA Authentication 25. Firewall Theory Best Practices The DMZ Alternate Designs 26. PIX Firewall Configuration Interfaces and Priorities Names Object Groups Fixups Failover Miscellaneous Troubleshooting Part VI. Server Load Balancing 27. Server Load-Balancing Technology Types of Load Balancing How Server Load Balancing Works Configuring Server Load Balancing 28. Content Switch Modules in Action Common Tasks Upgrading the CSM Part VII. Quality of Service Introduction to QoS Types of QoS QoS Mechanics Common QoS Misconceptions Table of Contents 30. Designing a QoS Scheme Determining Requirements Configuring the Routers 31. The Congested Network Determining Whether the Network Is Congested Resolving the Problem 32. The Converged Network Configuration Monitoring QoS Troubleshooting a Converged Network Part VIII. Designing Networks 33. Designing Networks Documentation Naming Conventions for Devices Network Designs 34. IP Design Public Versus Private IP Space Allocating IP Network Space Allocating IP Subnets IP Subnetting Made Easy 35. Network Time Protocol What Is Accurate Time? NTP Design Configuring NTP 36. Failures Human Error Multiple Component Failure Disaster Chains No Failover Testing Troubleshooting Table of Contents GAD's Maxims Maxim # 1 Maxim #2 Maxim #3 38. Avoiding Frustration Why Everything Is Messed Up How to Sell Your Ideas to Management When to Upgrade and Why Why Change Control Is Your Friend How Not to Be a Computer Jerk Index Table of Contents Preface The examples used in this book are taken from my own experiences, as well as from the experiences of those with or for whom I have had the pleasure of working. Of course, for obvious legal and honorable reasons, the exact details and any information that might reveal the identities of the other parties involved have been changed