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Routing TCP/IP: CCIE Professional Development, Volume 2, 2nd edition

Routing TCP/IP: CCIE Professional Development, Volume 2, 2nd edition

BRAND: PEARSON
Publisher:
PEARSON
Author:
Jennifer DeHaven Carroll; Jeff Doyle
Edition:
(September 2, 2016) © 2017
eBook ISBN:
9780134192758
Print ISBN:
9781587054709
Type:
1 Year Subscription. Dành cho Cá nhân
eBook edition. 1 Year Subscription. Dành cho Cá nhân | Trường ĐH, Nhóm, Thư Viện: Gọi 0915920514 để báo giá Pearson, Vital Source eBook hoặc mua Sách In
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Định tuyến TCP/IP, Tập II, Phiên bản thứ hai bao gồm các kết nối TCP, trạng thái thông báo, thuộc tính đường dẫn, tương tác giao thức định tuyến nội bộ, kết nối lân cận, v.v. Các tác giả trình bày kiến ​​thức quan trọng cho mọi chuyên gia muốn quản lý bộ định tuyến để hỗ trợ sự phát triển và thay đổi mạng. Các kỹ thuật định tuyến và chuyển mạch mà chúng đề cập là nền tảng cho tất cả các mạng hiện đại và tạo thành nền tảng của tất cả các lộ trình CCIE - khiến cuốn sách này trở thành một nguồn tài nguyên nổi bật cho những ai muốn đạt được chứng chỉ CCIE ưu tú của Cisco.
  1. Introduction xxi
  2. Chapter 1Inter-Domain Routing Concepts 1Early Inter-Domain Routing: The Exterior Gateway Protocol (EGP) 1 Origins of EGP 2 Operation of EGP 3 EGP Topology Issues 3 EGP Functions 5 Neighbor Acquisition Protocol 6 Neighbor Reachability Protocol 8 Network Reachability Protocol 10 Shortcomings of EGP 15The Advent of BGP 16BGP Basics 17Autonomous System Types 21External and Internal BGP 22Multihoming 29 Transit AS Multihoming 30 Stub AS Multihoming 31 Multihoming and Routing Policies 36 Multihoming Issues: Load Sharing and Load Balancing 36 Multihoming Issues: Traffic Control 37 Multihoming Issues: Provider-Assigned Addressing 40Classless Inter-Domain Routing 41 A Summarization Summary 41 Classless Routing 43 Summarization: The Good, the Bad, and the Asymmetric 47 CIDR: Reducing Class B Address Space Depletion 50 CIDR: Reducing Routing Table Explosion 50 Managing and Assigning IPv4 Address Blocks 54 CIDR Issues: Multihoming and Provider-Assigned Addresses 56 CIDR Issues: Address Portability 58 CIDR Issues: Provider-Independent Addresses 59 CIDR Issues: Traffic Engineering 60 CIDR Approaches Its Limits 62 IPv6 Comes of Age 66 Routing Table Explosion, Again 66Looking Ahead 68Review Questions 69
  3. Chapter 2Introduction to BGP 71Who Needs BGP? 71 Connecting to Untrusted Domains 71 Connecting to Multiple External Neighbors 74 Setting Routing Policy 79 BGP Hazards 82Operation of BGP 84 BGP Message Types 85 Open Message 85 Keepalive Message 86 Update Message 86 Notification Message 87 BGP Finite State Machine 87 Idle State 88 Connect State 89 Active State 89 OpenSent State 89 OpenConfirm State 90 Established State 90 Path Attributes 90 ORIGIN Attribute 92 AS_PATH Attribute 92 NEXT_HOP Attribute 97 Weight 100 BGP Decision Process 100 BGP Message Formats 103 Open Message 104 Update Message 105 Keepalive Message 108 Notification Message 108Configuring and Troubleshooting BGP Peering 110 Case Study: EBGP Peering 110 Case Study: EBGP Peering over IPv6 114 Case Study: IBGP Peering 118 Case Study: Connected Check and EBGP Multihop 127 Case Study: Managing and Securing BGP Connections 136Looking Ahead 142Review Questions 143Configuration Exercises 144Troubleshooting Exercises 145
  4. Chapter 3BGP and NLRI 155Configuring and Troubleshooting NLRI in BGP 155 Injecting Prefixes with the network Statement 156 Using the network mask Statement 160 Injecting Prefixes with Redistribution 162NLRI and IBGP 167 Managing Prefixes in an IBGP Topology 168 IBGP and IGP Synchronization 179Advertising BGP NLRI into the Local AS 182 Redistributing BGP NLRI into the IGP 182 Case Study: Distributing NLRI in a Stub AS with IBGP 184 Distributing NLRI in a Stub AS with Static Routes 193 Advertising a Default Route to a Neighboring AS 196Advertising Aggregate Routes with BGP 198 Case Study: Aggregation Using Static Routes 199 Aggregation Using the aggregate-address Statement 201 ATOMIC_AGGREGATE and AGGREGATOR Attributes 207 Using AS_SET with Aggregates 210Looking Ahead 218Review Questions 218Configuration Exercises 219Troubleshooting Exercises 223
  5. Chapter 4BGP and Routing Policies 237Policy and the BGP Database 238IOS BGP Implementation 249 InQ and OutQ 249 IOS BGP Processes 251 NHT, Event, and the Open Processes 256 Table Versions 258Managing Policy Changes 267 Clearing BGP Sessions 268 Soft Reconfiguraton 269 Route Refresh 274Route Filtering Techniques 279 Filtering Routes by NLRI 280 Case Study: Using Distribute Lists 280 Route Filtering with Extended ACLs 292 Case Study: Using Prefix Lists 293 Filtering Routes by AS_PATH 304 Regular Expressions 304 Literals and Metacharacters 305 Delineation: Matching the Start and End of Lines 306 Bracketing: Matching a Set of Characters 306 Negating: Matching Everything Except a Set of Characters 306 Wildcard: Matching Any Single Character 307 Alternation: Matching One of a Set of Characters 307 Optional Characters: Matching a Character That May or May Not Be There 307 Repetition: Matching a Number of Repeating Characters 307 Boundaries: Delineating Literals 308 Putting It All Together: A Complex Example 308 Case Study: Using AS-Path Filters 309 Case Study: Setting Policy with Route Maps 314 Filter Processing 322Influencing the BGP Decision Process 323 Case Study: Administrative Weights 325 Case Study: Using the LOCAL_PREF Attribute 334 Case Study: Using the MULTI_EXIT_DISC Attribute 343 Case Study: Prepending the AS_PATH 366 Case Study: Administrative Distances and Backdoor Routes 372Controlling Complex Route Maps 379 Continue Clauses 380 Policy Lists 383Looking Ahead 386Review Questions 386Configuration Exercises 388Troubleshooting Exercises 392
  6. Chapter 5Scaling BGP 401Scaling the Configuration 402 Peer Groups 403 Peer Templates 413 Session Templates 414 Policy Templates 419 Communities 425 Well-Known Communities 426 Arbitrary Communities 434 Using the AA:NN Format 443 Expanded Community Lists 445 Adding and Deleting Communities 460 Extended Community Lists 472Scaling BGP Functions 478 Route Flap Dampening 479 Outbound Route Filters (ORF) 486 Next-Hop Tracking 496 Fast External Fallover 509 Bidirectional Forwarding Detection (BFD) 512 BGP Prefix Independent Convergence (PIC) 523 ADD-PATHS Capability 528 Graceful Restart 538 Maximum Prefixes 540 Tuning BGP CPU 552 Tuning BGP Memory 556 BGP Transport Optimization 563 Optimizing TCP 563 Optimizing BGP Update Generation 568 Optimizing TCP ACK Message Receipt 568Scaling the BGP Network 569 Private AS Numbers 569 4-Byte AS Numbers 574 IBGP and the N-Squared Problem 575 Confederations 576 Route Reflectors 592Looking Ahead 606Review Questions 607Configuration Exercises 608Troubleshooting Exercises 612
  7. Chapter 6Multiprotocol BGP 615Multiprotocol Extensions to BGP 616MBGP Support for the IPv6 Address Family 618Configuring MBGP for IPv6 619 IPv4 and IPv6 Prefixes over an IPv4 TCP Session 620 Upgrading IPv4 BGP Configurations to the Address Family Format 629 IPv4 and IPv6 over an IPv6 TCP Connection 631 Dual Stack MBGP Connection 642 Multihop Dual Stack MBGP Connection 647 Mixed IPv4 and IPv6 Sessions 650 Multiprotocol IBGP 654 Case Study: Multiprotocol Policy Configuration 666Looking Ahead 705Review Questions 705Configuration Exercises 706 Question 1: 707Troubleshooting Exercises 709
  8. Chapter 7Introduction to IP Multicast Routing 713Requirements for IP Multicast 716 IPv4 Multicast Addresses 717 IPv6 Multicast Addresses 721 Group Membership Concepts 724 Joining and Leaving a Group 726 Join Latency 726 Leave Latency 727 Group Maintenance 728 Multiple Routers on a Network 728 Internet Group Management Protocol (IGMP) 729 IGMPv2 Host Functions 730 IGMPv2 Router Functions 731 IGMPv1 733 IGMPv3 735 IGMP Message Format 736 Multicast Listener Discovery (MLD) 742 IGMP/MLD Snooping 745 Cisco Group Management Protocol (CGMP) 749Multicast Routing Issues 753 Multicast Forwarding 754 Multicast Routing 756 Sparse Versus Dense Topologies 757 Implicit Joins Versus Explicit Joins 758 Source-Based Trees Versus Shared Trees 760 Source-Specific Multicast (SSM) 761 Multicast Scoping 763 TTL Scoping 763 Administrative Scoping 765Looking Ahead 766Recommended Reading 766Review Questions 766Configuration Exercises 768
  9. Chapter 8Protocol Independent Multicast 771Introduction to Protocol Independent Multicast (PIM) 771Operation of Protocol Independent Multicast-Dense Mode (PIM-DM) 773 PIM-DM Basics 773 Prune Overrides 779 Unicast Route Changes 782 PIM-DM Designated Routers 782 PIM Forwarder Election 782Operation of Protocol Independent Multicast-Sparse Mode (PIM-SM) 785 PIM-SM Basics 786 Finding the Rendezvous Point 787 Bootstrap Protocol 787 Auto-RP Protocol 789 Embedded RP Addresses 790 PIM-SM and Shared Trees 793 Source Registration 796 PIM-SM and Shortest Path Trees 803 PIMv2 Message Formats 808 PIMv2 Message Header Format 809 PIMv2 Hello Message Format 810 PIMv2 Register Message Format 811 PIMv2 Register Stop Message Format 812 PIMv2 Join/Prune Message Format 812 PIMv2 Bootstrap Message Format 814 PIMv2 Assert Message Format 815 PIMv2 Graft Message Format 816 PIMv2 Graft-Ack Message Format 816 Candidate-RP-Advertisement Message Format 817Configuring IP Multicast Routing 817 Case Study: Configuring Protocol Independent Multicast-Dense Mode (PIM-DM) 819 Configuring Protocol Independent Multicast-Sparse Mode (PIM-SM) 828 Case Study: Statically Configuring the RP 829 Case Study: Configuring Auto-RP 837 Case Study: Configuring Sparse-Dense Mode 845 Case Study: Configuring the Bootstrap Protocol 849 Case Study: Multicast Load Sharing 856Troubleshooting IP Multicast Routing 863 Using mrinfo 865 Using mtrace and mstat 867Looking Ahead 872Recommended Reading 872Review Questions 873Configuration Exercises 873Troubleshooting Exercises 876
  10. Chapter 9Scaling IP Multicast Routing 881Multicast Scoping 881Case Study: Multicasting Across Non-Multicast Domains 885Connecting to DVMRP Networks 888Inter-AS Multicasting 891 Multiprotocol Extensions for BGP (MBGP) 894 Operation of Multicast Source Discovery Protocol (MSDP) 896 MSDP Message Formats 898 Source Active TLV 898 Source Active Request TLV 899 Source Active Response TLV 900 Keepalive TLV 900 Notification TLV 900Case Study: Configuring MBGP 902Case Study: Configuring MSDP 908Case Study: MSDP Mesh Groups 913Case Study: Anycast RP 917Case Study: MSDP Default Peers 923Looking Ahead 926Review Questions 926Configuration Exercise 927
  11. Chapter 10IPv4 to IPv4 Network Address Translation (NAT44) 931Operation of NAT44 932 Basic NAT Concepts 932 NAT and IP Address Conservation 934 NAT and ISP Migration 937 NAT and Multihomed Autonomous Systems 938 Port Address Translation (PAT) 940 NAT and TCP Load Distribution 942 NAT and Virtual Servers 944NAT Issues 944 Header Checksums 945 Fragmentation 945 Encryption 945 Security 946 Protocol-Specific Issues 946 ICMP 947 DNS 948 FTP 951 SMTP 953 SNMP 953 Routing Protocols 953 Traceroute 953Configuring NAT44 955 Case Study: Static NAT 955 NAT44 and DNS 962 Case Study: Dynamic NAT 964 Case Study: A Network Merger 969 Case Study: ISP Multihoming with NAT 975 Port Address Translation 980 Case Study: TCP Load Balancing 982 Case Study: Service Distribution 984 Troubleshooting NAT44 986Looking Ahead 988Review Questions 989Configuration Exercises 989Troubleshooting Exercises 991
  12. Chapter 11IPv6 to IPv4 Network Address Translation (NAT64) 995Stateless IP/ICMP Translation (SIIT) 997 IPv4/IPv6 Header Translation 999 ICMP/ICMPv6 Translation 1002 Fragmentation and PMTU 1005 Upper-Layer Header Translation 1006Network Address Translation with Port Translation (NAT-PT) 1007 Operation of NAT-PT 1008 Configuring NAT-PT 1010 Why Is NAT-PT Obsolete? 1029Stateless NAT64 1031 Operation of Stateless NAT64 1031 Configuration of Stateless NAT64 1036 Limitations of NAT64 1038Stateful NAT64 1038 Operation of Stateful NAT64 1038 Configuration of Stateful NAT64 1041 Limitations of Stateful NAT64 1043Looking Ahead 1043Review Questions 1044Configuration Exercise 1044 Configuration Exercise Premise 1045Appendix AAnswers to Review Questions 1047Appendix B(online) Answers to Configuration ExercisesAppendix C(online) Answers to Troubleshooting Exercises 9781587054709 TOC 8/4/2016
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