............................Contents


Preface	xxi
*Part 1 --Setting Up and Administering TCP/IP Networks*
1. Overview of Network Administration	1
...Responsibilities of the Network Administrator	1
......Designing the Network	2
......Setting Up the Network	2
......Maintaining the Network	2
......Expanding the Network	3
......What TCP/IP Is	3
......Types of Hardware That Make Up a Solaris Network	4
......How Network Software Transfers Information	6
......Reaching Beyond the Local-Area Network--the Wide-Area
........Network	9
2. TCP/IP Protocol Suite	11
...Introducing the Internet Protocol Suite	11
......Protocol Layers and the OSI Model	12


......TCP/IP Protocol Architecture Model	13
...How the TCP/IP Protocols Handle Data Communications	19
......Data Encapsulation and the TCP/IP Protocol Stack	20
...Finding Out More About TCP/IP and the Internet	24
......Computer Trade Books	24
......RFCs and FYIs	24
3. Planning Your Network	27
...Designing the Network	27
......Factors Involved in Network Planning	28
...Setting Up an IP Addressing Scheme	29
......Parts of the IP Address	29
...... Network Classes	30
......How IP Addresses Apply to Network Interfaces	34
...Naming Entities on Your Network	35
......Administering Host Names	35
......Selecting a Name Service	36
...Registering Your Network	38
......InterNIC and InterNIC Registration Services	38
......How to Contact the InterNIC	39
...Adding Routers	40
......Network Topology	40
......How Routers Transfer Packets	42
4. Configuring TCP/IP on the Network	45
...Before You Configure TCP/IP	46


...Determining Host Configuration Modes	47
......Machines That Should Run in Local Files Mode	47
......Machines That Are Network Clients	48
......Mixed Configurations	49
......Sample Network	49
...TCP/IP Configuration Files	51
......`/etc/hostname.`*interface* File	51
......`/etc/nodename` File	52
......`/etc/defaultdomain` File	52
......`/etc/defaultrouter` File	52
......`hosts` Database	53
......`netmasks` Database	56
...Network Databases and `nsswitch.conf` File	60
......How Name Services Affect Network Databases	61
......`nsswitch.conf` File -- Specifying Which Name Service to
........Use	63
......`bootparams` Database	67
......`ethers` Database	68
......Other Network Databases	69
......`protocols` Database	70
......`services` Database	71
... Network Configuration Procedures	72
......· How to Configure a Host for Local Files Mode	72
......Setting Up a Network Configuration Server	74


......Configuring Network Clients	75
...Configuring Standard TCP/IP Services	77
...Overview of the Booting Processes	77
5. Configuring Routers	81
...Routing Protocols	81
......Routing Information Protocol (RIP)	82
......ICMP Router Discovery (RDISC) Protocol	82
...Configuring Routers	82
......Configuring Both Router Network Interfaces	83
......How a Machine Determines If It Is a Router	84
......Automatic Routing Protocol Selection	85
......Forcing a Machine to Be a Router	85
......Creating a Multihomed Host	86
......Turning On Space-Saving Mode	87
......Turning Off ICMP Router Discovery on the Host	87
......Turning Off ICMP Router Discovery on the Router	87
6. Troubleshooting TCP/IP	89
...General Troubleshooting Methods	89
...Running Software Checks	90
...`ping` Command	90
...`ifconfig` Command	92
...`netstat` Command	93
......Displaying Per Protocol Statistics	94
...... Displaying Network Interface Status	95


......Displaying Routing Table Status	96
...Logging Network Problems	97
...Displaying Packet Contents	97
*Part 2 --Expanding Your Network*
.. With PPP
7. Understanding PPP	101
...Overview of Solaris PPP	101
......Solaris PPP Specifications	102
......Transmission Facilities Used by PPP	102
......Standards Conformance	102
...PPP Network Interfaces	103
...Extending Your Network With PPP	103
......Point-to-Point Communications Links	103
......Point-to-Point Configurations Supported by Solaris PPP	105
......Multipoint Communications Links	109
......Multipoint Configurations Supported by PPP	109
...Introducing the PPP Software	111
......Link Manager	112
......Login Service	113
......Configuration File	113
......Log File	114
......FIFO File	114
......UUCP Databases	114
...How the Components Work Together	114


......Outbound Connections Scenario	114
......Inbound Connections Scenario	115
...PPP Security	116
8. Preparing Your PPP Configuration	117
...Determining Requirements for Your Configuration Type	118
......Remote Computer-to-Network Configuration	118
......Remote Host-to-Remote Host Configuration	119
......Network-to-Network Configuration	120
......Dial-in Server With Dynamic Point-to-Point Links	121
......Multipoint Dial-in Server	122
......Hosts on a Virtual Network	123
...Determining IP Addressing for Your PPP Link	123
......Specifying IP Addresses	123
......Types of Addressing Schemes	124
...Routing Considerations	126
......Turning Off RIP	127
...PPP Hardware Requirements	127
...File Space Requirements	128
......Checklist for Configuring PPP	128
9. Configuring PPP	131
...Overview of the Configuration Process	131
...Installing the PPP Software	132
......Verifying Installation	132
...Sample PPP Configuration	133


...Editing the `/etc/inet/hosts` File	134
......· How to Configure the Remote Machine's `hosts` Database
..................................................135
......Multipoint Dial-in Server `hosts` Database	135
......· How to Configure the Dial-In Server's `hosts` Database	136
...Editing UUCP Databases	136
......Updating `/etc/uucp/Devices` for PPP	137
......Updating `/etc/uucp/Dialers` for PPP	137
......Updating `/etc/uucp/Systems` for PPP	138
...Modifying the `/etc/passwd` File	138
...Editing the `/etc/asppp.cf` Configuration File	139
......Parts of Basic Configuration File	140
......Configuration File for Multipoint Dial-in Server	142
......Editing the Configuration File	145
...Adding PPP Security	146
...Starting up and Stopping Your New PPP Link	146
......· How to Manually Start PPP	146
......· How to Verify That PPP Is Running	146
......· How to Stop PPP	147
10. Troubleshooting PPP	149
...Checking Hardware	150
...Checking Interface Status	150
...Checking Connectivity	151
...Checking Interface Activity	151


...Checking the Local Routing Tables	152
...Checking Permissions	153
...Checking Packet Flow	153
...Using PPP Diagnostics for Troubleshooting	155
......· How to Set Diagnostics for Your Machine	155
......Analyzing Diagnostic Output	156
11. Tailoring Your PPP Link	165
...Configuring Dynamically Allocated PPP Links	165
......Addressing Issues for Dynamically Allocated Links	167
......Updating the `hosts` Database for Dynamic Links	167
......Considerations for Other Files	168
......Editing `asppp.cf` for Dynamic Link	169
...Configuring a Virtual Network	172
......Addressing Issues for Virtual Networks	173
......Updating `hosts` and `networks` Databases	173
...... Considerations for Other Files	174
......`asppp.cf` Configuration File for a Virtual Network	174
......· How to Install PAP/CHAP	176
...Configuration Keywords	180
*Part 3 --Administering UUCP Communications*
12. UUCP Databases and Programs	185
...UUCP Hardware Configurations	186
...Software Comprising UUCP	186
......Daemons	186


......Administrative Programs	187
......User Programs	188
...Introducing the UUCP Database Files	189
......Configuring UUCP Files	190
...`/etc/uucp/Systems` File	191
......System-Name Field	191
......Time Field	191
......Type Field	193
......Speed Field	193
......Phone Field	194
......Chat-Script Field	195
......Hardware Flow Control	197
......Setting Parity	198
...`/etc/uucp/Devices` File	198
......Type Field	199
......Line Field	200
......Line2 Field	201
......Class Field	201
......Dialer-Token-Pairs Field	202
......Protocol Definitions in the `Devices` File	205
...`/etc/uucp/Dialers` File	206
......Hardware Flow Control	210
......Setting Parity	211
...Other Basic Configuration Files	211


......`/etc/uucp/Dialcodes` File	211
......`/etc/uucp/Sysfiles` File	213
......`/etc/uucp/Sysname` File	214
...`/etc/uucp/Permissions` File	214
......Structuring Entries	215
......Considerations	215
......`REQUEST` Option	216
......`SENDFILES` Option	216
......`MYNAME` Option	217
......`READ` and `WRITE` Options	217
......`NOREAD` and `NOWRITE` Options	218
......`CALLBACK` Option	218
......`COMMANDS` Option	219
......`VALIDATE` Option	221
......`MACHINE` Entry for `OTHER`	223
......Combining `MACHINE` and `LOGNAME`	223
......Forwarding	224
...`/etc/uucp/Poll` File	224
...`/etc/uucp/Config` File	224
...`/etc/uucp/Grades` File	225
......User-job-grade Field	225
......System-job-grade Field	225
......Job-size Field	227
......Permit-type Field	227


......ID-list Field	228
...Other UUCP Configuration Files	228
......`/etc/uucp/Devconfig` File	228
......`/etc/uucp/Limits` File	228
......`remote.unknown` File	229
...Administrative Files	229
13. Configuring and Maintaining UUCP	233
...Adding UUCP Logins	233
...Starting UUCP	234
......`uudemon.poll` Shell Script	235
......`uudemon.hour` Shell Script	235
......`uudemon.admin` Shell Script	235
......`uudemon.cleanup` Shell Script	236
...Running UUCP Over TCP/IP	236
......Activating UUCP in `/etc/inetd.conf`	236
......Tailoring Systems File Entries for TCP/IP	236
......Checking `/etc/inet/services` for UUCP	237
...Security, Maintenance, and Troubleshooting	237
......Setting Up UUCP Security	237
......Regular UUCP Maintenance	238
......Troubleshooting UUCP	239
...UUCP Error Messages	241
Index	249