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System Administration Guide: IP Services     Oracle Solaris 10 8/11 Information Library
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Document Information


Part I Introducing System Administration: IP Services

1.  Oracle Solaris TCP/IP Protocol Suite (Overview)

Part II TCP/IP Administration

2.  Planning Your TCP/IP Network (Tasks)

3.  Introducing IPv6 (Overview)

4.  Planning an IPv6 Network (Tasks)

5.  Configuring TCP/IP Network Services and IPv4 Addressing (Tasks)

What's New in This Chapter

Before You Configure an IPv4 Network (Task Map)

Determining Host Configuration Modes

Systems That Should Run in Local Files Mode

Network Configuration Servers

Systems That Are Network Clients

Mixed Configurations

IPv4 Network Topology Scenario

Adding a Subnet to a Network (Task Map)

Network Configuration Task Map

Configuring Systems on the Local Network

How to Configure a Host for Local Files Mode

How to Set Up a Network Configuration Server

Configuring Network Clients

How to Configure Hosts for Network Client Mode

How to Change the IPv4 Address and Other Network Configuration Parameters

Packet Forwarding and Routing on IPv4 Networks

Routing Protocols Supported by Oracle Solaris

IPv4 Autonomous System Topology

Configuring an IPv4 Router

How to Configure an IPv4 Router

Routing Tables and Routing Types

Configuring Routes

Configuring Multihomed Hosts

How to Create a Multihomed Host

Configuring Routing for Single-Interface Systems

How to Enable Static Routing on a Single-Interface Host

How to Enable Dynamic Routing on a Single-Interface Host

Monitoring and Modifying Transport Layer Services

How to Log the IP Addresses of All Incoming TCP Connections

How to Add Services That Use the SCTP Protocol

How to Use TCP Wrappers to Control Access to TCP Services

6.  Administering Network Interfaces (Tasks)

7.  Configuring an IPv6 Network (Tasks)

8.  Administering a TCP/IP Network (Tasks)

9.  Troubleshooting Network Problems (Tasks)

10.  TCP/IP and IPv4 in Depth (Reference)

11.  IPv6 in Depth (Reference)


12.  About DHCP (Overview)

13.  Planning for DHCP Service (Tasks)

14.  Configuring the DHCP Service (Tasks)

15.  Administering DHCP (Tasks)

16.  Configuring and Administering the DHCP Client

17.  Troubleshooting DHCP (Reference)

18.  DHCP Commands and Files (Reference)

Part IV IP Security

19.  IP Security Architecture (Overview)

20.  Configuring IPsec (Tasks)

21.  IP Security Architecture (Reference)

22.  Internet Key Exchange (Overview)

23.  Configuring IKE (Tasks)

24.  Internet Key Exchange (Reference)

25.  IP Filter in Oracle Solaris (Overview)

26.  IP Filter (Tasks)

Part V Mobile IP

27.  Mobile IP (Overview)

28.  Administering Mobile IP (Tasks)

29.  Mobile IP Files and Commands (Reference)


30.  Introducing IPMP (Overview)

31.  Administering IPMP (Tasks)

Part VII IP Quality of Service (IPQoS)

32.  Introducing IPQoS (Overview)

33.  Planning for an IPQoS-Enabled Network (Tasks)

34.  Creating the IPQoS Configuration File (Tasks)

35.  Starting and Maintaining IPQoS (Tasks)

36.  Using Flow Accounting and Statistics Gathering (Tasks)

37.  IPQoS in Detail (Reference)



Determining Host Configuration Modes

As a network administrator, you configure TCP/IP to run on hosts and routers (if applicable). You can configure these systems to obtain configuration information from files on the local system or from files that are located on other systems on the network. You need the following configuration information:

A system that obtains TCP/IP configuration information from local files operates in local files mode. A system that obtains TCP/IP configuration information from a remote network server operates in network client mode.

Systems That Should Run in Local Files Mode

To run in local files mode, a system must have local copies of the TCP/IP configuration files. These files are described in TCP/IP Configuration Files. The system should have its own disk, though this recommendation is not strictly necessary.

Most servers should run in local files mode. This requirement includes the following servers:

Additionally, routers should run in local files mode.

Systems that function exclusively as print servers do not need to run in local files mode. Whether individual hosts should run in local files mode depends on the size of your network.

If you are running a very small network, the amount of work that is involved in maintaining these files on individual hosts is manageable. If your network serves hundreds of hosts, the task becomes difficult, even with the network divided into a number of administrative subdomains. Thus, for large networks, using local files mode is usually less efficient. However, because routers and servers must be self-sufficient, they should be configured in local files mode.

Network Configuration Servers

Network configuration servers are the servers that supply the TCP/IP configuration information to hosts that are configured in network client mode. These servers support three booting protocols:

Network configuration servers can also function as NFS file servers.

If you are configuring any hosts as network clients, then you must also configure at least one system on your network as a network configuration server. If your network is subnetted, then you must have at least one network configuration server for each subnet with network clients.

Systems That Are Network Clients

Any host that obtains its configuration information from a network configuration server operates in network client mode. Systems that are configured as network clients do not require local copies of the TCP/IP configuration files.

Network client mode simplifies administration of large networks. Network client mode minimizes the number of configuration tasks that you perform on individual hosts. Network client mode assures that all systems on the network adhere to the same configuration standards.

You can configure network client mode on all types of computers. For example, you can configure network client mode on standalone systems.

Mixed Configurations

Configurations are not limited to either an all-local-files mode or an all-network-client mode. Routers and servers should always be configured in local mode. For hosts, you can use any combination of local files and network client mode.

IPv4 Network Topology Scenario

Figure 5-1 shows the hosts of a fictitious network with the network number 192.9.200. The network has one network configuration server, which is called sahara. Hosts tenere and nubian have their own disks and run in local files mode. Host faiyum also has a disk, but this system operates in network client mode.

Finally, the system timbuktu is configured as a router. The system includes two network interfaces. The first interface is named timbuktu. This interface belongs to network 192.9.200. The second interface is named timbuktu-201. This interface belongs to network 192.9.201. Both networks are in the organizational domain The domain uses local files as its name service.

Figure 5-1 Hosts in an IPv4 Network Topology Scenario

image:Diagram shows a sample network with one network server that serves four hosts.