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CCNP 1: Advanced Routing Companion Guide (Cisco Networking Academy Program) (2nd Revised edition)
This is the only Cisco-approved textbook for CCNP 1 Advanced Routing course within the Cisco Networking Academy Program online curriculum. This portable desk reference supports and compliments the online course in addition to reinforcing the concepts pertaining to CCNP BSCI certification. New to this edition is more information on advanced IP management,
IS-IS fundamentals, and RIP v2 overview, configuration, and verification. The accompanying CD-ROM, also new to this edition, contains interactive media activities, CCNP BSCI exam preparation questions, and animations that cover EIGRP, OSPF, and RIPv2 packets transversing networks, remote access activity, and several switching techniques. The Companion Guide is set up in textbook style to assist the Networking Academy student make the most of their experience. Each chapter contains a list of chapter objectives; figures, examples, and tables to explain theories and concepts; chapter summaries; Check Your Understanding at the end of the chapters; and a list of key terms for the chapter along with definitions.
Contents:
Foreword
Introduction
1
Overview of Scalable Internetworks
The Hierarchical Network Design Model
The Three-Layer Hierarchical Design Model
Router Function in the Hierarchy
Core Layer Example
Distribution Layer Example
Access Layer Example
Key Characteristics of Scalable Internetworks
Five Characteristics of a Scalable Network
Making the Network Reliable and Available
Making the Network Responsive
Making the Network Efficient
Making the Network Adaptable
Making the Network Accessible but Secure
Basic Router Configuration Lab Exercises
Load Balancing Lab Exercises
Summary
Key Terms
Check Your Understanding
2
Advanced IP Addressing Management
IPv4 Addressing
Address Architecture of the Internet
Class A and B IP Addresses
Classes of IP Addresses: C, D, and E
Subnet Masking
IP Addressing Crisis and Solutions
IP Addressing Crisis
Classless Interdomain Routing
Route Aggregation and Supernetting
Supernetting and Address Allocation
VLSM
Variable-Length Subnet Masks
Classless and Classful Routing Protocols
Route Summarization
An Overview of Route Summarization
Route Flapping
Private Addressing and NAT
Private IP Addresses (RFC 1918)
Discontiguous Subnets
Network Address Translation (NAT)
IP Unnumbered
Using IP Unnumbered
DHCP and Easy IP
DHCP Overview
DHCP Operation
Configuring the IOS DHCP Server
Easy IP
Helper Addresses
Using Helper Addresses
Configuring IP Helper Addresses
IP Helper Address Example
IPv6
IP Address Issues Solutions
IPv6 Address Format
Summary
Key Terms
Check Your Understanding
3
Routing Overview
Routing
Routing Fundamentals
Static Routing
Configuring Dynamic Routing
Distance Vector Routing Protocols
Link-State Routing Protocols
Hybrid Routing Protocol: EIGRP
Default Routing
Default Routing Overview
Configuring Static Default Routes
Default Routing with IGRP
Default Route Caveats
Floating Static Routes
Configuring Floating Static Routes
Convergence
Convergence Issues
Route Calculation
Route Calculation Fundamentals
The Initiation of Routing Updates
Routing Metrics
Summary
Key Terms
Check Your Understanding
4
Routing Information Protocol Version 2103
RIPv2 Overview
RIPv2 Operation
Issues Addressed by RIPv2
RIPv2 Message Format
Compatibility with RIPv1
Classless Route Lookups
Classless Routing Protocols
Authentication
Limitations of RIPv2
Configuring RIPv2
Basic RIPv2 Configuration
Compatibility with RIPv1
Discontiguous Subnets and Classless Routing
Configuring Authentication
Verifying RIPv2 Operation
show Commands
debug Commands
Summary
Key Terms
Check Your Understanding
5
IGRP
EIGRP Fundamentals
EIGRP and IGRP Compatibility
EIGRP Design
EIGRP Terminology
EIGRP Features
EIGRP Technologies
Neighbor Discovery and Recovery
Reliable Transport Protocol
DUAL Finite-State Machine
Protocol-Dependent Modules
EIGRP Components
EIGRP Packet Types
EIGRP Tables
Route Tagging with EIGRP
EIGRP Operation
Convergence Using EIGRP
Configuring EIGRP
Configuring EIGRP for IP Networks
EIGRP and the bandwidth Command
The bandwidth-percent Command
Summarizing EIGRP Routes: no auto-summary
Summarizing EIGRP Routes: Interface Summarization
Monitoring EIGRP
Summary
Key Terms
Check Your Understanding
6
OSPF
OSPF Overview
Issues Addressed by OSPF
OSPF Terminology
OSPF States
OSPF Network Types
The OSPF Hello Protocol
OSPF Operation
Steps of OSPF Operation
Step 1: Establish Router Adjacencies
Step 2: Elect a DR and a BDR
Step 3: Discover Routes
Step 4: Select Appropriate Routes
Step 5: Maintain Routing Information
OSPF Configuration and Verification
Configuring OSPF on Routers Within a Single Area
Optional Configuration Commands
show Commands
clear and debug Commands
Configuring OSPF over NBMA
NBMA Overview
Full-Mesh Frame Relay
Partial-Mesh Frame Relay
Point-to-Multipoint OSPF
Multiarea OSPF Operation
Creating Multiple OSPF Areas
OSPF Router Types
OSPF LSA and Area Types
Configuring OSPF Operation Across Multiple Areas
Flooding LSUs to Multiple Areas
Updating the Routing Table
Opaque LSAs
Multiarea OSPF Configuration and Verification
Using and Configuring OSPF Multiarea Components
Configuring OSPF Route Summarization
Verifying Multiarea OSPF Operation
Stub, Totally Stubby, and Not-So-Stubby Areas
Using Stub and Totally Stubby Areas
Stub and Totally Stubby Area Criteria
Configuring Stub and Totally Stubby Areas
OSPF Stub Area Configuration Example
OSPF Totally Stubby Area Configuration Example
NSSA Overview
How NSSA Operates
Configuring NSSA
Virtual Links
Meeting the Backbone Area Requirements
Configuring Virtual Links
Virtual Link Configuration Example
Summary
Key Terms
Check Your Understanding
7
IS-IS
IS-IS Fundamentals
OSI Protocols
OSI Terminology
ES-IS and IS-IS
Integrated IS-IS
OSPF Versus IS-IS
ISO Addressing
NSAPs
NETs
ISO Addressing with Cisco Routers
Identifying Systems in IS-IS
IS-IS Operation
High-Level View of IS-IS Operation
OSI PDUs
IS-IS Hello Messages
IS-IS Link-State PDU (LSP) Formats
IS-IS Routing Levels
IS-IS Adjacencies
Designated Intermediate Systems (DIS) and Pseudonodes (PSN)
IS-IS Data Flow
LSP Flooding and Synchronization
IS-IS Metrics
IS-IS Network Types
SPF Algorithm
IP Routing with Integrated IS-IS
OSI, IP, and Dual
Suboptimal IS-IS Routing
Intra-Area and Interarea Integrated IS-IS Routing Example
Configuration of Integrated IS-IS
Basic Configuration of Integrated IS-IS
Multiarea Integrated IS-IS Configuration
Integrated IS-IS Operation in a WAN Environment
Point-to-Point and Point-to-Multipoint Operation with IS-IS
Configuring Integrated IS-IS in a WAN Environment
Frame Relay Point-to-Point Scenario with Integrated IS-IS
Frame Relay Point-to-Multipoint Scenario with Integrated IS-IS
Detecting Mismatched Interfaces with Integrated IS-IS
Summary
Key Terms
Check Your Understanding
8
Route Optimization
Controlling Routing Update Traffic
Controlling Routing Updates
Passive Interfaces
Filtering Routing Updates with distribute-list
Policy Routing
Policy Routing Overview
Policy Routing Example
Route Redistribution
Redistribution Overview
Administrative Distance
Modifying Administrative Distance by Using the distance Command
Redistribution Guidelines
Configuring One-Way Redistribution
Configuring Two-Way Redistribution
Redistributing Connected and Static Routes
Verifying Redistribution Operation
Redistribution Example
Phase 1: Configuring a RIP Network
Phase 2: Adding OSPF to the Core of a RIP Network
Phase 3: Adding OSPF Areas
Summary
Key Terms
Check Your Understanding
9
BGP
Autonomous Systems
Overview of Autonomous Systems
Single-Homed Autonomous Systems
Multihomed Nontransit Autonomous Systems
Multihomed Transit Autonomous Systems
When Not to Use BGP
Basic BGP Operation
BGP Routing Updates
BGP Neighbors
BGP Message Types
BGP Neighbor Negotiation
Network Layer Reachability Information
Path Attributes
Configuring BGP
Basic BGP Configuration
EBGP and IBGP
EBGP and IBGP Configuration Example
EBGP Multihop
Clearing the BGP Table
Peering
BGP Continuity Inside an AS
Monitoring BGP Operation
Verifying BGP Operation
The BGP Routing Process
An Overview of the BGP Routing Process
The BGP Routing Process Model
Implementing BGP Routing Policy
BGP Attributes
Controlling BGP Routing with Attributes
The Next Hop Attribute
Next-Hop Behavior on Multiaccess Media
Next-Hop Behavior on NBMA Networks
The AS_Path Attribute
AS_Path and Private AS Numbers
The Atomic Aggregate Attribute
The Aggregator Attribute
The Local Preference Attribute
The Weight Attribute
The Multiple Exit Discriminator Attribute
The Origin Attribute
The BGP Decision Process
BGP Route Filtering and Policy Routing
BGP Route Filtering
Using Filters to Implement Routing Policy
Using the distribute-list Command to Filter BGP Routes
The ip prefix-list Command
Sample ip prefix-list Configuration
Redundancy, Symmetry, and Load Balancing
Issues with Redundancy, Symmetry, and Load Balancing
Redundancy, Symmetry, and Load Balancing
Default Routing in BGP Networks
Symmetry
Load Balancing
Multihomed Connections
BGP Redistribution
BGP Redistribution Overview
Injecting Unwanted or Faulty Information
Injecting Information Statically into BGP
BGP Redistribution Configuration Example
Summary
Key Terms
Check Your Understanding
Appendix A
Glossary of Key Terms
Appendix B
Answers to the Check Your Understanding Questions
Appendix C
Case Studies
Index.
Brief Description:
Focusing on the Cisco Networking Academy Program, this book provides the following reference, study, and review tools: each chapter has a list of objectives referencing the key concepts for focused study; key terms are highlighted in color throughout the chapter where they are used in context.
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