Building Service-Aware Networks

Series Routers ASR 1000 Carrier-Class Attributes Availability Reliability Scalability Quality of Service ROI and Investment Protection ASR 1000 Applications ASR 1000 Enterprise WAN Aggregation Enterprise Internet Gateway Enterprise Security Headend (Branch and Remote User Aggregation) Service Provider Layer 3 VPN Service Provider Layer 2 VPN Broadband Aggregation, Including FTTH and DSL LNS, LAC, and PTA High-End Customer Premises Equipment Reinventing Enterprise Routing with the ASR 1000 Cisco QuantumFlow Processor and Embedded Services True Carrier-Class Routing Chassis Design and Modularity Operating System Modularity In-Service Software Upgrade Separation of Planes Dealing with Oversubscription Integrated QoS BITS Reference Clock Nonstop Router Management Breadth and Diversity of LAN/WAN Interfaces Introducing ASR 1000 System Hardware Components Chassis Options Chassis Slots Naming and Numbering Route Processor Embedded Service Processor SPA Interface Processor Introducing ASR 1000 Software Components IOS XE RP Software ESP Software SIP Software IOSD and Linux Kernel System ROMMON Basic Partitioning of the ASR 1000 System Routing Plane Data Plane Input/Output Plane Introduction to ASR 1000 System Redundancy and Modularity Summary Chapter Review Questions Answers Further Reading Chapter 6 Cisco ASR 1000 Series Router Hardware and Software Details Route Processor Overview Route Processor Functional Elements Front Panel CPU, DRAM, Bootflash, Hard Disk Drive, and Interconnect Application-Specific Integrated Circuits RP Initialization RP Packet Handling Hardware-Assisted Control-Plane Protection Legacy Protocol Traffic ESP Overview ESP Functional Elements ESP Initialization ESP Packet Handling ESP and Crypto Engine SPA Interface Processor Overview High-Level System Software Architecture RP Software Details RP Chassis Manager RP Forwarding Manager RP Interface Manager ESP Software Details QFP Software ESP Forwarding Manager ESP Chassis Manager SIP Software Details SIP Chassis Manager SIP Interface Manager SPA Drivers Day in the Life of a Packet Ingress Processing Arrival Processing Egress Processing Summary Review Questions Answers Further Reading Chapter 7 Cisco IOS XE Software Packaging, Releases, and Licensing Cisco IOS XE Software Overview Cisco IOS XE Software Packaging Software Redundancy Cisco IOS XE Software Releases Cisco IOS XE Software Licensing Summary Review Questions Answers Further Reading Chapter 8 Cisco ASR 1000 Initial Setup and Configuration Booting the ASR 1000 Initial Cisco ASR 1000 Configuration Understanding the Cisco ASR 1000 File System Structure Summary Chapter Review Questions Answers Further Reading Chapter 9 In-Service Software Upgrade and Software Modularity Why ISSU Is Needed Operational Benefits Business Benefits ASR 1000 ISSU Details A Consolidated Package ISSU on a Fully Redundant 6RU ISSU on 6RU System (with Dual RP and ESP) for IOSD Using Legacy issu Commands Subpackage ISSU on a Fully Redundant 6RU Upgrading SIP/SPA Subpackages Upgrading the RP-Specific Subpackages on the Active RP Upgrading the ESP Subpackage on the Standby RP (Formerly Active) Running Dual IOSD on a 2 or 4RU System Summary Chapter Review Questions Answers Further Reading Part III System Management and Troubleshooting Chapter 10 Using the ASR 1000 Embedded Graphical User Interface Introduction to the ASR 1000 Web GUI Configuring the ASR 1000 GUI Common Usage Examples Summary Review Questions Answers Further Reading Chapter 11 Understanding ASR 1000 System Troubleshooting and Error Messages Troubleshooting Methodology ASR 1000--Specific Troubleshooting Commands Troubleshooting System Hardware and Software Displaying the Overall Processor and Memory Utilization on an ASR 1000 System Displaying IPv4-Related Drops for the Active QFP Displaying Overall QFP Memory Statistics for IRAM, DRAM, and SRAM Usage Displaying QFP Memory Statistics on a Per-IOS Feature and Internal-Usage Basis Tracking Control CPU Usage from the Linux Shell Tracking a Command Output Repeatedly Using the monitor Command Displaying the Status of Front-Panel LEDs Using the show platform hardware Command Displaying the Status of SPAs in a SIP Displaying Statistics for a Slot or SIP Displaying Drop Statistics for All Interfaces in the System Displaying the Interface-Level FIA for Both the Ingress and Egress Feature Set Displaying System Components Such as RP, ESP, and SIP Insertion and Uptime Displaying QFP PPE Utilization Information Useful debug Commands Troubleshooting IOS Features via Platform-Specific Commands Common System Error Messages Message: "Warning: Filesystem Is Not Clean" During RP Boot Message: "%IOSXE-7-PLATFORM: F0: sntp: Resetting on Error x > y" Message: "%ASR1000_PEM-3-PEMFAIL: The PEM in Slot 0 Is Switched Off or Encountering a Failure Condition" Summary Review Questions Answers Further Reading Part IV ASR 1000--Bringing Innovative Solutions to the Routing Industry Chapter 12 IP Routing Use Cases Introduction to the Scalable and Modular Control Plane on the ASR 1000 NSF/SSO, NSR, Graceful Restart to Ensure Robust Routing Use Case: Achieving High Availability Using NSF/SSO Packet Capture Using Encapsulated Remote SPAN Use Case: Ethernet Frame Capture and Transport Across a Layer 3 Cloud Achieving Segmentation Using MPLS over GRE and MPLS VPNs over GRE Solutions Use Case: Self-Managed MPLS and Enterprise Private WAN Segmentation Scalable v4/VPNv4 Route Reflector Use Case: Route Reflection Scalable and Flexible Internet Edge Use Case: Internet Gateway/Edge Router Scalable Data Center Interconnect Use Case: Encrypting Traffic over an EoMPLS Psuedowire at Layer 2 Using TrustSec Summary Chapter Review Questions Answers Further Reading Chapter 13 IP Services Use Cases Introduction to IOS IP Services on the ASR 1000 Scalable In-Built QoS Using QFP's Traffic Manager Ingress SIP Buffering Traffic Manager Packet Buffering Unicast Packets Multicast Packets Punt Packet Egress SIP Buffering ESP Interconnect Scheduler Default Behavior (Aggregating All SIP Traffic) ASR 1000 Traffic Manager Priority Queues Scalable Hierarchical QoS and Metro-E Use Case Scalable IPv4 and IPv6 Multicast Acceleration Using Cisco QuantumFlow Processor Multicast High Availability on the ASR 1000 Multicast Replication on the ESP Scalable In-Built Multigigabit NAT High-Speed Logging Using NetFlow v9 Format for NAT and Firewall Scalable In-Built Multigigabit NBAR and FPM Summary Chapter Review Questions Answers Further Reading Chapter 14 Security Services Use Cases Introduction to IOS Security Services on the Cisco ASR 1000 Secure Connectivity Solutions Introduction to IPsec Solutions on the Cisco ASR 1000 IPsec Packet Flow (Ingress) IPsec Packet Flow (Egress) IPsec High-Availability Considerations IPsec and Interaction with IP Multicast Scalable Encryption with QoS Before/After Crypto Engine Scalable DMVPN Hub and Spoke Scalable GETVPN Group Member for Data Center and Large Branch Solutions Cisco ASR 1000 GETVPN Solution Benefits Cisco ASR 1000 GETVPN Solution Architecture Overview GETVPN Configuration Overview Cisco ASR 1000 Memory, Performance, and Scaling Caveats and Limitations Cisco ASR 1000 GETVPN Deployment Models Troubleshooting GETVPN on Cisco ASR 1000 Integrated Threat Control Solutions Introduction to Threat Control Solutions on the ASR 1000 Using In-Built Firewall High Availability IOS Firewall Zone/Zone Pair Scale Scalable Multigigabit Router Firewall at the Internet Edge: Use Case Summary Chapter Review Questions Answers Further Reading Chapter 15 WAN Optimization Services Use Cases Introduction to WAN Optimization Solutions on the Cisco ASR 1000 Using WCCPv2 for Web Caching Interaction of WCCPv2 with Other IOS Features WAN Optimization Through WAAS Integration Campus WAN Headend Deployment Branch Deployment WAN Headend and IronPort's WSA Appliance Troubleshooting WCCPv2 on Cisco ASR 1000 Voice Header Compression Using Cisco IOS cRTP Chapter Review Questions Answers Further Reading Chapter 16 Unified Communications Services Use Cases Introduction to Unified WAN Solutions on Cisco ASR 1000 Using Integrated CUBE CUBE (SP) Deployment Scenarios SP-to-SP Peering SP-to-Managed Enterprise and Residential SIP Trunking Business-to-Business Telepresence Troubleshooting CUBE Using the WebEx Node Services Module WebEx Node Deployment Architecture Deployment Considerations Installation Steps Summary Review Questions Answers Further Reading 9781587057885 TOC 8/19/2009