JUNOS High Availability

Preface; What Is High Availability?; How to Use This Book; What???s in This Book?; Conventions Used in This Book; Using Code Examples; Safari?? Books Online; Comments and Questions; Acknowledgments; JUNOS HA Concepts; Chapter 1: High Availability Network Design Considerations; 1.1 Why Mention Cost in a Technical Book?; 1.2 A Simple Enterprise Network; 1.3 Redundancy and the Layered Model; 1.4 What Does It All Mean?; Chapter 2: Hardware High Availability; 2.1 Divide and Conquer; 2.2 Packet Flows; 2.3 Redundancy and Resiliency; Chapter 3: Software High Availability; 3.1 Software Architecture; 3.2 One OS to Rule Them; 3.3 Automation of Operations; Chapter 4: Control Plane High Availability; 4.1 Under the Hood of the Routing Engine; 4.2 Graceful Routing Engine Switchover; 4.3 Graceful Restart; 4.4 MPLS Support for Graceful Restart; 4.5 Non-Stop Active Routing; 4.6 Non-Stop Bridging; 4.7 Choosing Your High Availability Control Plane Solution; Chapter 5: Virtualization for High Availability; 5.1 Virtual Chassis in the Switching Control Plane; 5.2 Control System Chassis; JUNOS HA Techniques; Chapter 6: JUNOS Pre-Upgrade Procedures; 6.1 JUNOS Package Overview; 6.2 Pre-Upgrade Verifications; 6.3 Moving Services Away from a Router; Chapter 7: Painless Software Upgrades; 7.1 Snapshots; 7.2 Software Upgrades with Unified ISSU; 7.3 Software Upgrades Without Unified ISSU; 7.4 Snapshots Redux; 7.5 Image Upgrade Tweaks and Options; 7.6 J Series Considerations; Chapter 8: JUNOS Post-Upgrade Verifications; 8.1 Post-Upgrade Verification; 8.2 Fallback Procedures; 8.3 Applicability; Chapter 9: Monitoring for High Availability; 9.1 I Love Logs; 9.2 Simple Network Management Protocol; 9.3 Traffic Monitoring; Chapter 10: Management Interfaces; 10.1 A GUI for Junior Techs; 10.2 Mid-Level Techs and the CLI; 10.3 Deep Magic for Advanced Techs; Chapter 11: Management Tools; 11.1 JUNOScope; 11.2 Juniper AIS; 11.3 Partner Tools; Chapter 12: Managing Intradomain Routing Table Growth; 12.1 Address Allocation; 12.2 Address Aggregation; Chapter 13: Managing an Interdomain Routing Table; 13.1 Enterprise Size and Effective Management; 13.2 Border Gateway Protocol (BGP); Network Availability; Chapter 14: Fast High Availability Protocols; 14.1 Protocols for Optical Networks; 14.2 Rapid Spanning Tree Protocol; 14.3 Interior Gateway Protocols; 14.4 Bidirectional Forwarding Detection; 14.5 Virtual Router Redundancy Protocol; 14.6 MPLS Path Protection; Chapter 15: Transitioning Routing and Switching to a Multivendor Environment; 15.1 Industry Standards; 15.2 Multivendor Architecture for High Availability; 15.3 Routing Protocol Interoperability; Chapter 16: Transitioning MPLS to a Multivendor Environment; 16.1 Multivendor Reality Check; 16.2 MPLS Signaling for High Availability; 16.3 MPLS Transition Case Studies; Chapter 17: Monitoring Multivendor Networks; 17.1 Are You In or Out?; 17.2 SNMP Configuration; 17.3 Syslog Configuration; 17.4 Configuration Management; 17.5 Configuration for AAA; 17.6 JUNOS GUI Support; 17.7 What IS Normal?; Chapter 18: Network Scalability; 18.1 Hardware Capacity; 18.2 Network Scalability by Design; Chapter 19: Choosing, Migrating, and Merging Interior Gateway Protocols; 19.1 Choosing Between IS-IS and OSPF; 19.2 Migrating from One IGP to Another; 19.3 Merging Networks Using a Common IGP; Chapter 20: Merging BGP Autonomous Systems; 20.1 Planning the Merge; 20.2 Merging Our ASs Off; 20.3 Monitoring the Merge; Chapter 21: Making Configuration Audits Painless; 21.1 Why Audit Configurations?; 21.2 Configuration Auditing 101; 21.3 Auditing Configurations; 21.4 Performing and Updating Audits; Chapter 22: Securing Your Network Equipment Against Security Breaches; 22.1 Authentication Methods; 22.2 Hardening the Device; 22.3 Firewall Filters; Chapter 23: Monitoring and Containing DoS Attacks in Your Network; 23.1 Attack Detection; 23.2 Taking Action When a DoS Attack Occurs; 23.3 Attack Prevention; 23.4 Gathering Evidence; Chapter 24: Goals of Configuration Automation; 24.1 CLI Configuration Automation; 24.2 Automating Remote Configuration; Chapter 25: Automated Configuration Strategies; 25.1 Configuration Change Types; 25.2 Automation Strategies; Appendixes; System Test Plan; Physical Inspection and Power On; Check General System Status; Check Routing Engine and Storage Media; Test Optical Interfaces; Failover and Redundancy Tests; Final Burn-In Check; Configuration Audit; Audit Responsibilities; Audit Response Key; Audit Checklist; Audit Interval; High Availability Configuration Stateeeeeements; Routing Engine and Switching Control Board; Graceful Routing Engine Switchover; Nonstop Bridging Statements; Nonstop Active Routing; Graceful Restart; VRRP; Unified In-Service Software Upgrade (ISSU); Colophon;