管理动态 IP 网络 英文PDF|Epub|txt|kindle电子书版本网盘下载

管理动态 IP 网络 英文PDF格式电子书版下载

注意：本站所有压缩包均有解压码： 点击下载压缩包解压工具

Chapter 1 TCP/IP Basics1

Network Protocols2

IP Addresses3

IP Subnets6

IP Routing10

Assigning IP Addresses11

Name Servers11

Applications That Use TCP/IP13

Other TCP/IP Terms13

Related Publications15

Chapter 2 DHCP Concepts and Overview17

BOOTP,the Predecessor of DHCP18

DHCP Overview19

How Does DHCP Work?21

How Is Configuration Information Acquired?21

How Are Leases Renewed?26

What Happens When a Client Moves Out of Its Subnet?26

How Are Changes Implemented in the Network?27

What Are BOOTP/DHCP Relay Agents?28

IP Address Pools28

Multiple Subnets per Pool29

Client Identification30

Multiple Pools per Subnet30

MAC Address as Qualifier31

Client ID as Qualifier32

User Class ID as Qualifier33

Qualification from Vendor Extensions33

Qualification from Relay Agents34

Multiple Qualifiers36

Server Administration36

Server Installation37

Database Initialization37

Runtime Database Manipulation38

Administrative Access Controls39

Remote Server Management40

Application Programming Interfaces (APIs)41

DHCP Server Availability41

DHCP Reliability41

Redundant DHCP Server Scenarios42

DHCP in IPv647

Differences between DHCPv6 and DHCPv447

Summary48

Chapter 3 Serving Names49

What Is a Domain Name System (DNS)?50

Why Names?50

Domain vs.Zone of Authority54

Differentiating Name Servers56

Static Name Servers56

Dynamic Name Servers56

Primary Name Servers56

Secondary Name Servers57

Authoritative Name Servers58

Parent and Child Name Servers58

Caching-Only Name Servers58

Master Name Servers58

Root Name Servers59

Forwarders60

Firewall Name Servers60

Record Types60

Resolvers62

BIND s Treatment of DNS Database Entries65

What Is Dynamic IP?68

Dynamic Domain Name System (DDNS)69

What Does Dynamic IP Provide?69

How Does Dynamic IP Work?71

Configuring for Network Availability74

Enabling Host Mobility76

Securing Your Dynamic IP Network77

How Dynamic Addressing Is Made Usable with DDNS78

Chapter 4 NetBIOS Name Servers79

Overview80

TCP/IP for the Enterprise81

Name Server History82

NetBIOS/NBNS Basic Functionality83

Service Specification83

Design84

NetBIOS Naming84

Names for Applications85

Name Database86

Translating Names to IP Addresses86

Distributed Database87

Probe Mechanisms88

Roll Call Mechanisms89

Centralized Database90

Role of a NetBIOS Datagram90

NetBIOS Datagram Distributor91

Workstation Interoperability92

NBNS Design Criteria92

High Performance93

Dedicated Server94

Standard Hardware Platform94

High Capacity95

Reliability95

Fast Response Time95

Load Balancing96

Scalability96

Datagram Distribution97

Distributed Algorithms97

Extensibility98

Transaction Capture98

Static Names98

Database Validation99

Remote Management99

NBNS Implementations101

Microsoft WINS101

Network TeleSystems Shadow IPserver103

Summary104

Chapter 5 Dynamic IP Routing Protocols105

Basic IP Routing106

Routing Processes108

Autonomous Systems109

Routing Algorithms109

Static Routing110

Distance Vector Routing111

Link-State Routing116

Interior Gateway Protocols (IGPs)118

Routing Information Protocol (RIP)118

RIPng for IPv6124

Open Shortest Path First (OSPF)126

Exterior Routing Protocols150

Exterior Gateway Protocol (EGP)152

Border Gateway Protocol (BGP-4)152

References166

Chapter 6 Mobile IP169

Mobile IP Overview171

Mobile IP Operation173

Mobile IP Registration Process174

Tunneling178

Broadcast Datagrams178

Move Detection179

Address Resolution Protocol (ARP) Considerations180

Mobile IP Security Considerations180

Mobile IP and Routers181

Background181

Emerging Examples Where Mobile IP Is Applicable185

Detailed Protocol Overview186

Other Important Issues190

Chapter 7 Security of DHCP and Dynamic DNS193

Security Trade-Off194

RSA Public Key Authentication System194

Presecured Domain198

ProxyArec Considerations198

ProxyArec and Option 81201

Preventing Access to Unauthorized Devices202

Securing Lease Allocations202

Rogue DHCP Servers203

Connecting to Untrusted Networks——Firewalls203

Connecting through Untrusted Networks——VPN205

TFTP Security206

Chapter 8 Reliability207

Battlefield Questions208

Failure Events208

Severed Connections209

Facility Loss209

DHCP Server Problems210

Name Server Difficulties210

Router Outages210

Other Server Vulnerabilities211

Client Failures211

AIX and UNIX Features212

Shadow IPserver Features213

Chapter 9 Performance215

Leases216

What Is a Lease?216

How Leases Work216

Choosing a Lease Time216

Monitoring and Troubleshooting218

Multiple Leases218

The Ping Command219

The traceroute Command219

The iptrace Command220

The arp Command221

The netstat Command221

The host Command222

The nslookup Command222

Troubleshooting TCP/IP Networks223

Prerequisites for Troubleshooting223

A Bottom-Up Approach224

An Approach to Tuning Your Network234

Tuning TCP/IP Networks234

TCP/IP Tuning Parameters235

Bandwidth Efficiency238

Broadcast Traffic238

RSVP239

Communications Server239

Chapter 10 Quality of Service241

Why QoS?242

Integrated Services243

Service Classes246

The Reservation Protocol (RSVP)250

The Future of Integrated Services261

Differentiated Services263

Differentiated Services Architecture264

Using RSVP with Differentiated Services273

Configuration and Administration of DS Components with LDAP275

Using Differentiated Services with IPSec276

Internet Drafts on Differentiated Services277

References278

Chapter 11 IP Version 6279

IPv6 Overview281

The IPv6 Header Format281

Extension Headers285

Packet Sizes285

IPv6 Addressing292

Priority298

Flow Labels298

Internet Control Message Protocol Version 6 (ICMPv6)299

Neighbor Discovery300

Stateless Address Autoconfiguration310

Multicast Listener Discovery (MLD)311

DNS in IPv6314

Format of IPv6 Resource Records315

Differences between DHCPv6 and DHCPv4318

DHCP in IPv6318

DHCPv6 Messages319

Mobility Support in IPv6320

Internet Transition:Migrating from IPv4 to IPv6320

Dual IP Stack Implementation:The IPv6/IPv4 Node321

Tunneling322

Header Translation329

Interoperability Summary329

The Drive toward IPv6330

References331

Chapter 12 Dynamic DNS Review333

Product Overview334

Cisco DNS/DHCP Manager334

key Features and Benefits335

Specifications337

Hardware337

Cisco DNS/DHCP Manager Overview337

Simplifying DNS Management with the Cisco Domain Name Manager Server338

Updating DNS Via the Cisco DHCP/BootP Server341

Supporting Multiple Logical Networks on the Same Physical Network344

Service Configuration Manager345

Service Management345

Supporting Servers345

Competitive Automation s JOIN BootP.DHCP,and DDNS346

BooTP346

Traditional BootP347

Dynamic Bootp347

Finite BootP348

BootP Service:Details349

Server Logic350

How JOIN Resolves a Client Configuration351

Naming the Client352

Dynamic Naming352

VLSM356

Fixed Length vs.VLSM356

Addrmask358

JOIN DHCP/DDNS Features359

Platforms360

Lucent QIP Enterprise 5.0360

Automating IP Services Management360

Regulate User Access with Innovative Profiling Capabilities361

Eliminate Major Causes of Network Failure361

Exceed Industry Standards with High-Performance Servers361

Centralize Network Configuration and Planning362

Lucent Advantage:QIP Enterprise 5.0363

System Requirements368

Bay Networks NetID372

Benefits372

Features374

NetID Architecture377

System Requirements379

Metalnfo s Meta IP379

Features and Benefits of Meta IP380

Meta DHCP382

Extending Security383

Meta DNS385

User-to-Address Mapping387

Multiplatform Support389

Meta IP Solutions390

System Requirements392

Appendix DHCP Options (RFC 2132)393

A.1 Introduction393

A.2 DHCP and BootP Options394

A.2.1 Option 0 and 255:Pad and End394

A.2.2 Option 1:Subnet Mask394

A.2.5 Option 4:Time Server395

A.2.6 Option 5:IEN 116 (Old) Name Server395

A.2.3 Option 2:Time Offset395

A.2.4 Option 3:Router395

A.2.7 Option 6:Domain Name Server396

A.2.8 Option 7:Log Server396

A.2.9 Option 8:Cookie Server396

A.2.10 Option 9:LPR Server397

A.2.11 Option 10:Impress Server397

A.2.12 Option 11:Resource Location Server397

A.2.16 Option 15:Domain Name398

A.2.15 Option 14:Merit Dump File398

A.2.13 Option 12:Host Name398

A.2.14 Option 13:Boot File Size398

A.2.17 Option 16:Swap Server399

A.2.18 Option 17:Root Path399

A.2.19 Option 18:Extensions Path399

A.2.20 Option 19:IP Forwarding Enable/Disable400

A.2.21 Option 20:Non-Local Source Routing Enable/Disable400

A.2.22 Option 21:Policy Filter400

A.2.24 Option 23:Default IP Time-to-Live401

A.2.25 Option 24:Path MTU Aging Timeout401

A.2.23 Option 22:Maximum Datagram Reassembly Size401

A.2.26 Option 25:Path MTU Plateau Table402

A.2.27 Option 26:Interface MTU402

A.2.28 Option 27:All Subnets Are Local402

A.2.29 Option 28:Broadcast Address403

A.2.30 Option 29:Perform Mask Discovery403

A.2.31 Option 30:Mask Supplier403

A.2.32 Option 31:Perform Router Discovery403

A.2.33 Option 32:Router Solicitation Address404

A.2.34 Option 33:Static Route404

A.2.35 Option 34:Trailer Encapsulation404

A.2.38 Option 37:TCP Default Time-to-Live405

A.2.37 Option 36:Ethernet Encapsulation405

A.2.36 Option 35:ARP Cache Timeout405

A.2.39 Option 38:TCP Keep-Alive Interval406

A.2.40 Option 39:TCP Keep-Alive Garbage406

A.2.41 Option 40:Network Information Service Domain406

A.2.42 Option 41:NIS Server407

A.2.43 Option 42:Network Time Protocol Server407

A.2.44 Option 43:Vendor-Specific Information407

A.2.45 Option 44:NetBIOS over TCP/IP Name Server Option408

A.2.47 Option 46:NetBIOS over TCP/IP Node Type409

A.2.48 Option 47:NetBIOS over TCP/IP Scope409

A.2.46 Option 45:NetBIOS over TCP/IP Datagram Distribution Server409

A.2.49 Option 48:X Window System Font Server Option410

A.2.50 Option 49:X Window System Display Manager410

A.2.51 Option 64:NIS+ Domain410

A.2.52 Option 65:S+ Server411

A.2.53 Option 68:Mobile IP Home Agent411

A.2.54 Option 69:Simple Mail Transport Protocol (SMTP) Server411

A.2.55 Option 70:Post Office Protocol (POP3) Server412

A.2.56 Option 71:Network News Transport Protocol (NNTP) Server412

A.2.57 Option 72:Default World Wide Web (WWW) Server412

A.2.61 Option 76:StreetTalk Directory Assistance (STDA) Server413

A.2.60 Option 75:StreetTalk Server413

A.2.59 Option 74:Default Internet Relay Chat (IRC) Server413

A.2.58 Option 73:Default Finger Server413

A.3 DHCP-Only Options414

A.3.1 Option 50:Requested IP Address414

A.3.2 Option 51:IP Address Lease Time414

A.3.3 Option 52:Option Overload415

A.3.4 Option 53:DHCP Message Type415

A.3.5 Option 54:Server Identifier415

A.3.6 Option 55:Parameter Request List416

A.3.7 Option 56:Message416

A.3.10 Option 59:Rebinding (T2) Time Value417

A.3.9 Option 58:Renewal (T1) Time Value417

A.3.8 Option 57:Maximum DHCP Message Size417

A.3.11 Option 60:Vendor Class Identifier418

A.3.12 Option 61:Client Identifier418

A.3.13 Option 66:TFTP Server Name419

A.3.14 Option 67:Boot File Name419

A.4 Unofficial DHCP Options419

A.5 Options Supported by Popular Operating Systems421

A.5.1 Servers421

A.5.2 Clients422

Index423