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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)

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

About the DHCP Client

DHCPv6 Server

Differences Between DHCPv4 and DHCPv6

The Administrative Model

MAC Address and Client ID

Protocol Details

Logical Interfaces

Option Negotiation

Configuration Syntax

DHCP Client Startup

DHCPv6 Communication

How DHCP Client Protocols Manage Network Configuration Information

How the DHCPv4 Client Manages Network Configuration Information

How the DHCPv6 Client Manages Network Configuration Information

DHCP Client Shutdown

Enabling and Disabling a DHCP Client

How to Enable the DHCP Client

How to Disable an DHCP Client

DHCP Client Administration

ifconfig Command Options Used With the DHCP Client

Setting DHCP Client Configuration Parameters

For DHCPv4

For DHCPv4 and DHCPv6

DHCP Client Systems With Multiple Network Interfaces

DHCPv4 Client Host Names

How to Enable a DHCPv4 Client to Request a Specific Host Name

DHCP Client Systems and Name Services

Setting Up DHCP Clients as NIS+ Clients

How to Set Up DHCP Clients as NIS+ Clients

DHCP Client Event Scripts

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)



DHCP Client Administration

The DHCP client software does not require administration under normal system operation. The dhcpagent daemon automatically starts when the system boots, renegotiates leases, and stops when the system shuts down. You should not manually start and stop the dhcpagent daemon directly. Instead, as superuser on the client system, you can use the ifconfig command to affect dhcpagent's management of the network interface, if necessary.

ifconfig Command Options Used With the DHCP Client

This section summarizes the command options, which are documented in the ifconfig(1M) man page. The only difference between the DHCPv4 and the DHCPv6 versions of these commands is the “inet6” keyword. Include the “inet6” keyword for DHCPv6, but leave it out when running DHCPv4.

The ifconfig command enables you to do the following:

Setting DHCP Client Configuration Parameters

The /etc/default/dhcpagent file on the client system contains tunable parameters for the dhcpagent. You can use a text editor to change several parameters that affect client operation. The /etc/default/dhcpagent file is well documented, so for more information, you should refer to the file as well as to the dhcpagent(1M) man page.

The /etc/dhcp.interface file is another location in which parameters affecting the DHCP client are set. Parameters set in this file are used by system startup scripts with the ifconfig command. This, however, affects only DHCPv4. There is no DHCPv6 equivalent.

By default, the DHCP client is configured as follows:

For DHCPv4

For DHCPv4 and DHCPv6