Title and Copyright Information
 
About This Manual
Audience
New and Changed Features
Organization
Related Documents
Reader's Comments
Conventions
 
1    Management Information
 
1    Overview of Network Administration
 
2    Basic Network Connections
2.1    Network Environment
2.2    Preparing for the Configuration
2.2.1    Information for Interfaces and Daemons
2.2.1.1    All Network Interfaces
2.2.1.2    Token Ring Interface
2.2.1.3    NetRAIN Interface
2.2.1.4    rwhod Daemon
2.2.1.5    routed daemon
2.2.1.6    Gateways File
2.2.1.7    gated Daemon
2.2.1.8    IP Router
2.2.2    Information for Network Files
2.2.2.1    Static Routes File (/etc/routes)
2.2.2.2    Host File (/etc/hosts)
2.2.2.3    hosts.equiv File
2.2.2.4    Networks File (/etc/networks)
2.3    Configuring the Network Components
2.3.1    Configuring Network Interfaces
2.3.2    Configuring the rwhod Daemon
2.3.3    Configuring the routed Daemon
2.3.4    Configuring the gated Daemon
2.3.5    Configuring the System as an IP Router
2.3.6    Configuring the Static Routes File
2.3.7    Configuring the hosts File
2.3.8    Configuring the hosts.equiv File
2.3.9    Configuring the networks File
2.4    NetRAIN Interfaces
2.4.1    Configuring NetRAIN
2.4.1.1    Hardware Restrictions and Configuration
2.4.1.2    Configuring the NetRAIN Interface
2.4.2    Monitoring NetRAIN Activity
2.5    Enabling Access Filtering on an Interface
2.6    Monitoring the Local Host's Status
2.7    Displaying and Modifying the FDDI Parameters
2.8    Managing Token Ring Source Routing
2.9    Displaying and Modifying the Token Ring IP MTU Size
 
3    Dynamic Host Configuration Protocol
3.1    DHCP Environment
3.1.1    DHCP Parameter Assignment
3.1.2    DHCP and Security
3.2    Planning DHCP
3.2.1    Verifying Installation of DHCP Software
3.2.2    Preparing for the Configuration
3.2.2.1    Server/Security Parameters
3.2.2.1.1    IP Ranges
3.2.2.1.2    Host name list
3.2.2.2    Information for Basic DHCP Parameters
3.3    Configuring a DHCP Server
3.3.1    Configuring Server/Security Parameters
3.3.2    Configuring IP Ranges
3.3.3    Configuring Host Name Lists
3.3.4    Configuring a Subnetwork
3.3.5    Configuring a DHCP Client Node
3.3.6    Setting Group Parameters
3.4    Starting the DHCP Server (joind)
3.5    Starting the DHCP Client
3.6    Monitoring DHCP Client Configuration
3.7    Mapping Client IP Addresses Permanently
3.8    Restricting Access to the DHCP Server
3.9    Configuring a BOOTP Client
3.10    Disabling DHCP Address Assignment
3.11    Solving DHCP Problems
 
4    Point-to-Point Connections
4.1    Serial Line Internet Protocol (SLIP)
4.1.1    SLIP Environment
4.1.2    Planning SLIP
4.1.2.1    Verifying the Hardware
4.1.2.2    Preparing for the Configuration
4.1.3    Configuring SLIP
4.1.3.1    Configuring a Dial-In System
4.1.3.2    Configuring a Dial-Out System
4.1.4    Terminating a SLIP Dial-Out Connection
4.2    Point-to-Point Protocol (PPP)
4.2.1    PPP Environment
4.2.1.1    PPP Options
4.2.1.2    Authentication
4.2.2    Planning PPP
4.2.2.1    Verifying the Hardware
4.2.2.2    Verifying PPP Support in the Kernel
4.2.2.3    Preparing for Configuration
4.2.3    Configuring PPP
4.2.3.1    Establishing a PPP Dial-Out Connection
4.2.3.2    Establishing a PPP Dial-In Connection
4.2.4    Terminating PPP Connections
4.3    Guidelines for Using Modems
4.3.1    Using the Correct Modem Cables
4.3.2    Configuring a System for Dial-In Access
4.3.3    Configuring Your System for Dial-Out Access
 
5    Local Area Transport Connections
5.1    LAT Environment
5.1.1    Types of LAT Connections
5.1.2    Controlling Access in a LAT Network
5.1.3    Specifying Passwords for Remote Services
5.1.4    Load Balancing
5.2    Planning LAT
5.2.1    Verifying That the LAT Subset Is Installed
5.2.2    Verifying DLB Support in the Kernel
5.2.3    Preparing for the Configuration
5.3    Configuring LAT
5.4    Starting and Stopping LAT
5.5    Creating a LAT Startup File
5.6    Customizing the inittab File
5.7    Running LAT Over Specific Network Adapters
5.8    Setting Up Printers
5.8.1    Setting Up the Printer on a Terminal Server
5.8.2    Testing the Port Configuration
5.8.3    Setting Up a Service Node for the Printer
5.8.4    Setting Up the Print Spooler on the Service Node
5.8.5    Testing the Printer
5.9    Setting Up Host-Initiated Connections
5.9.1    Setting Up the System for Host-Initiated Connections
5.9.2    Program Interface
5.10    Setting Up Outgoing Connections
5.10.1    Setting Up the System for Outgoing Connections
5.10.2    Program Interface
5.11    Setting Up the LAT/Telnet Gateway
5.12    Creating Your Own Dedicated or Optional Service
5.13    Providing a Dedicated tty Device on a Terminal
5.13.1    Setting Up a Dedicated tty Device
5.13.2    Removing a Dedicated tty Device
 
6    Domain Name Service
6.1    The DNS Environment
6.2    Planning DNS
6.2.1    Server
6.2.2    Client
6.3    Configuring DNS
6.3.1    Configuring a DNS Server
6.3.2    Configuring a DNS Client
6.4    Modifying the svc.conf File with svcsetup
6.5    Updating DNS Data Files on the Primary Server
6.6    Obtaining Host Name and IP Address Information
6.6.1    The nslookup Command
6.6.2    NIC whois Service
 
7    Network Information Service
7.1    NIS Environment
7.2    Planning NIS
7.2.1    Verifying That the Additional Networking Services Subset is Installed
7.2.2    Preparing for the Configuration
7.2.2.1    Master Server
7.2.2.2    Slave Server
7.2.2.3    Client
7.3    Configuring NIS
7.3.1    Configuring a NIS Master Server
7.3.2    Configuring a Slave Server
7.3.3    Configuring an NIS Client
7.3.4    Modifying the svc.conf File with svcsetup
7.3.5    Modifying or Removing an NIS Configuration
7.4    Managing an NIS Server
7.4.1    Adding an NIS Slave Server to a Domain
7.4.2    Removing an NIS Slave Server from the Domain
7.4.3    Adding a New User to an NIS Domain
7.4.4    Updating an NIS Map
7.4.5    Adding an NIS Map to a Domain
7.4.6    Removing an NIS Map from a Domain
7.4.7    Modifying the /var/yp/Makefile File
7.4.7.1    Adding an Entry
7.4.7.2    Deleting an Entry
7.4.7.3    Makefile Editing Guidelines
7.4.8    Restricting Access to NIS Data
7.5    Managing an NIS Client
7.5.1    Changing an NIS Password
7.5.2    Obtaining NIS Map Information
 
8    Network File System
8.1    NFS Environment
8.1.1    Distributing the hosts Database
8.1.2    Automount and NFS
8.1.2.1    NIS and automount Maps
8.1.2.2    Local automount Maps
8.2    Planning NFS
8.2.1    Server
8.2.2    Client
8.3    Configuring NFS
8.3.1    Configuring an NFS Server
8.3.2    Configuring an NFS Client
8.4    Managing an NFS Server
8.4.1    Exporting a File System or Directory
8.4.1.1    Exporting a File System with the NFS Configuration Application
8.4.1.2    Exporting a File System Manually
8.4.1.3    Export Guidelines
8.4.2    Halting Export of a Directory or File System
8.4.3    Enabling Client Superuser Access to Files
8.4.4    Sending Mail to Superuser (root) Across NFS
8.4.5    Enabling Port Monitoring
8.4.6    Monitoring the NFS Load
8.5    Managing an NFS Client
8.5.1    Mounting a Remote File System or Directory
8.5.1.1    Mounting a Remote File System Using NFS Configuration Application
8.5.1.2    Mounting a Remote File System Manually
8.5.1.3    Mounting a Remote File System Automatically
8.5.1.4    Mount Command Options
8.5.1.5    Using automount to Mount a Remote File System
8.5.1.6    Specifying automount Arguments
8.5.2    Unmounting a Remote File System or Directory
 
9    UNIX-to-UNIX Copy Program
9.1    UUCP Environment
9.2    Planning UUCP
9.2.1    Verifying the Correct Hardware
9.2.2    Preparing for the Configuration
9.2.2.1    Information for Connections
9.2.2.2    Information for Outgoing Systems
9.2.2.3    Information for Incoming Systems
9.3    Configuring UUCP
9.3.1    Configuring Connections
9.3.2    Configuring Outgoing Systems
9.3.3    Configuring Incoming Systems
9.3.4    Configuring the Poll File
9.4    Monitoring the File Transfer Queue
9.4.1    Getting Queue Status Manually
9.4.2    Getting Queue Status Automatically
9.4.3    Guidelines for Checking Queue Status
9.5    Cleaning Up the Spooling Directories
9.5.1    Cleaning Up Directories Manually
9.5.2    Cleaning Up Directories Automatically
9.5.3    Guidelines for Removing Files
9.6    Viewing Log Files
9.7    Cleaning Up sulog and cron/log Files
9.8    Limiting the Number of Remote Executions
9.9    Scheduling Work in the Spooling Directory
9.9.1    Starting uusched Manually
9.9.2    Starting uusched Automatically
9.10    Calling File Transfer Programs (uudemon.hour)
9.11    Polling Remote Systems (uudemon.poll)
 
10    Network Time Protocol
10.1    NTP Environment
10.2    NTP Planning
10.2.1    Server Information
10.2.2    Client Information
10.3    Configuring NTP
10.4    Enabling the High-Resolution Clock
10.5    Monitoring Hosts Running the xntpd Daemon
10.6    Monitoring Hosts Running the ntpd Daemon
10.7    Querying Servers Running NTP
 
11    Mail System
11.1    Mail Environment
11.1.1    Directing Outgoing Mail to Servers
11.1.2    Handling Incoming Mail to the Domain
11.1.3    Delivering Mail to Clients
11.1.4    Distributing the aliases File
11.1.5    Distributing the passwd File
11.1.6    Handling DECnet Mail
11.2    Planning Mail
11.2.1    Verifying that Required Protocols are Installed
11.2.2    Verifying that Required Services are Configured
11.2.3    Preparing for the Configuration
11.2.3.1    General System Information
11.2.3.2    Protocol Information
11.3    Configuring Mail
11.3.1    Configuring a Standalone Mail System
11.3.2    Configuring a Mail Client
11.3.3    Configuring a Mail Server
11.4    Mail Utilities
11.5    Monitoring the Mail Queue
11.6    Archiving the Mail Queue
11.7    Administering and Distributing Alias Information
11.8    Display Mail Statistics
11.9    Adding a New Mail Host
 
12    Simple Network Management Protocol Agent
12.1    SNMP Environment
 
2    Problem Solving Information
 
13    Solving Network and Network Services Problems
13.1    Using the Diagnostic Map
13.2    Getting Started
13.3    Solving Network Problems
13.4    Solving DNS/BIND Server Problems
13.5    Solving DNS/BIND Client Problems
13.6    Solving NIS Server Problems
13.7    Solving NIS Client Problems
13.8    Solving NFS Server Problems
13.9    Solving NFS Client Problems
13.10    Solving UUCP Problems
13.11    Solving NTP Problems
13.12    Solving SLIP Problems
13.13    Solving PPP Problems
13.14    Solving LAT Problems
13.15    Solving sendmail Problems
 
14    Using the Problem Solving Tools
14.1    Testing Reachability of Network Hosts on the Internet Network
14.2    Displaying and Modifying the Internet to Ethernet Translation Tables
14.3    Displaying a Datagrams's Route to a Network Host
14.4    Displaying Headers of Packets on the Network
14.5    Testing a UUCP Remote Connection
14.6    Monitoring a File Transfer
14.7    Viewing the Error Log File
14.8    Viewing the syslogd Daemon Message Files
 
15    Testing DNS Servers
15.1    Glossary
15.2    Starting the DNS Server Test
15.3    Determining the Server Type
15.4    Finding the Target Domain Information
15.5    Testing the Forwarders
15.6    Testing Secondary Authoritative Servers
15.7    Testing Primary Authoritative Servers
15.8    Tracing Information from the Root Name Server
15.9    Resolving Target Data
15.10    Finding the First Nonexistent Domain
 
16    Reporting Network Problems
16.1    Gathering Information
16.1.1    General Information
16.1.2    Hardware Architecture
16.1.3    Software Architecture
 
A    Configuration Worksheet
 
B    Monitoring the Network Interfaces
B.1    Monitoring the Ethernet Interface
B.2    Monitoring the FDDI Interface
B.2.1    FDDI Counters
B.2.2    FDDI Status
B.2.3    FDDI Characteristics
B.3    Monitoring the Token Ring Interface
B.3.1    Token Ring Counters
B.3.2    Token Ring and Host Information
 
C    Writing automount Maps
C.1    Substitution and Pattern Matching
C.2    Environment Variables
C.3    Mounting File Systems
C.3.1    Multiple Mounts
C.3.2    Shared Mounts
C.3.3    Replicated File Systems
 
D    NIS ypservers Update Scripts
D.1    Add Slave Server Script
D.2    Remove Slave Server Script
 
E    NFS Error Messages
E.1    Server Error Messages
E.2    Client Error Messages
E.2.1    Remote Mount Error Messages
E.2.2    automount Error Messages
E.2.3    Console Error Messages
 
F    uucp Messages
F.1    Status and Log File Messages
F.2    tip Error Messages
 
G    sendmail Error Messages
 
H    Host Resources MIB Implementation
H.1    Tru64 UNIX Implementation Summary
H.2    System Group
H.3    Storage Group
H.4    Device Tables
H.5    File System Table
H.6    The Running Software Tables
 
I    DNS Server Worksheet
 
J    Format of DNS Data File Entries
J.1    Format of DNS Resource Records
J.2    Description of Data File Entries
J.2.1    Include Entry
J.2.2    Origin Entry
J.2.3    Address Entry
J.2.4    Canonical Name Entry
J.2.5    Host Information Entry
J.2.6    Mailbox Entry
J.2.7    Mail Group Entry
J.2.8    Mailbox Information Entry
J.2.9    Mail Rename Entry
J.2.10    Mail Exchanger Entry
J.2.11    Name Server Entry
J.2.12    Domain Name Pointer Entry
J.2.13    Start of Authority Entry
J.2.14    Well Known Services Entry
 
Examples
3-1    Sample DHCP Log File Message
5-1    Sample /etc/latstartup.conf File
6-1    Sample /etc/hosts File
C-1    Multiple Mounts in a Direct Map
C-2    Multiple Mounts and Shared Mounts in a Direct Map
C-3    Multiple Mounts, Shared Mounts, and Replicated File Systems in a Direct Map
C-4    Simple Indirect Map
C-5    Multiple Mounts in an Indirect Map
C-6    Multiple Mounts and Shared Mounts in an Indirect Map
C-7    Multiple Mounts, Shared Mounts, and Replicated File Systems in an Indirect Map
 
Figures
2-1    Sample Network Configuration
2-2    Configuration Worksheet, Part 1A
2-3    Configuration Worksheet, Part 1B
3-1    DHCP Configuration (acme-net)
3-2    Configuration Worksheet, Part 2A
3-3    Configuration Worksheet, Part 2B
4-1    Sample Simple SLIP Configuration
4-2    SLIP Configuration with Gateway System
4-3    Configuration Worksheet, Part 3A
4-4    Simple PPP Configurations
4-5    Network PPP Configuration
4-6    Configuration Worksheet, Part 3B
5-1    Sample LAT Network Configuration
5-2    Configuration Worksheet, Part 4
6-1    Sample Small DNS Configuration
6-2    Sample Large DNS Configuration
6-3    Configuration Worksheet, Part 5
7-1    NIS Configuration
7-2    Configuration Worksheet, Part 6
8-1    Configuration Worksheet, Part 7
9-1    Sample Simple UUCP Configuration
9-2    Sample UUCP Over TCP/IP Configuration
9-3    Configuration Worksheet, Part 8A
9-4    Configuration Worksheet, Part 8B
9-5    Configuration Worksheet, Part 8C
10-1    Sample NTP Configuration (Local Clock)
10-2    Sample NTP Configuration (Internet Source)
10-3    Configuration Worksheet, Part 9
11-1    Sample Mail Standalone Configuration
11-2    Sample Mail Client/Server Configuration
11-3    Configuration Worksheet, Part 10A
11-4    Configuration Worksheet, Part 10B
A-1    Configuration Worksheet, Part 1A
A-2    Configuration Worksheet, Parts 1B and 2A
A-3    Configuration Worksheet, Part 2B
A-4    Configuration Worksheet, Parts 3A and 3B
A-5    Configuration Worksheet, Parts 4 and 5
A-6    Configuration Worksheet, Part 6
A-7    Configuration Worksheet, Part 7
A-8    Configuration Worksheet, Parts 8A and 8B
A-9    Configuration Worksheet, Parts 8C and 9
A-10    Configuration Worksheet, Parts 10A and 10B
C-1    Sample automount Maps
 
Tables
2-1    Options to the netstat Command
2-2    Options to the fddi_config Command
2-3    Options to the srconfig Command
4-1    Types of Null Modem Cable
4-2    Basic startslip Subcommands
4-3    Optional startslip Subcommands
4-4    slhosts File Options
4-5    Modem Commands for Dial-Out Access
4-6    Types of Modem Cable
4-7    Modem Commands for Dial-In Access
5-1    LAT Parameters
7-1    NIS Map Information Commands
9-1    Additional uucpsetup Commands
10-1    Options to the ntpq Command
10-2    Options to the xntpdc Command
13-1    Problem Solving Starting Points
14-1    Options to the ping Command
14-2    Options to the traceroute Command
F-1    ASSERT Error Messages
 
Index