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All rights reserved. 23*11262SRajagopal.Andra@Sun.COM -- Use is subject to license terms. 240Sstevel@tonic-gate --> 250Sstevel@tonic-gate<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 3.2//EN"> 260Sstevel@tonic-gate<html> 270Sstevel@tonic-gate 280Sstevel@tonic-gate<head> 290Sstevel@tonic-gate<title>DHCP Manager Help: Configuring DHCP Server</title> 300Sstevel@tonic-gate<meta NAME="AUTHOR" CONTENT="smorgan"> 310Sstevel@tonic-gate<meta NAME="KEYWORDS" CONTENT="DHCP"> 320Sstevel@tonic-gate 330Sstevel@tonic-gate</head> 340Sstevel@tonic-gate 350Sstevel@tonic-gate<body bgcolor="#ffffff"> 360Sstevel@tonic-gate 370Sstevel@tonic-gate<a name="top"></a> 380Sstevel@tonic-gate 390Sstevel@tonic-gate<table border=0 cellspacing=0 cellpadding=0 width=625> 400Sstevel@tonic-gate 410Sstevel@tonic-gate 420Sstevel@tonic-gate<!-- Start navigation banner --> 430Sstevel@tonic-gate 440Sstevel@tonic-gate<tr><td colspan=4 WIDTH="615" align="left" valign="top"><IMG SRC="art/bannersmc.gif" WIDTH=615 BORDER=0 ALT="DHCP Manager Help"> 450Sstevel@tonic-gate 460Sstevel@tonic-gate </td> 470Sstevel@tonic-gate </tr> 480Sstevel@tonic-gate 490Sstevel@tonic-gate<!-- End navigation banner --> 500Sstevel@tonic-gate 510Sstevel@tonic-gate 520Sstevel@tonic-gate<tr> 530Sstevel@tonic-gate 540Sstevel@tonic-gate<!-- Start contents block --> 550Sstevel@tonic-gate 560Sstevel@tonic-gate <td colspan=1 valign="top" WIDTH="105"> 570Sstevel@tonic-gate <P> </P> 580Sstevel@tonic-gate <STRONG><A HREF="dhcp_main_top.html">Overview</A></STRONG><P> 590Sstevel@tonic-gate <STRONG><A HREF="dhcp_relay_ref.html">Servers and Relays</A></STRONG><BR> 600Sstevel@tonic-gate <IMG SRC="art/tip2.gif" WIDTH=12 HEIGHT=10 BORDER=0 ALT="">DHCP Config<BR> 610Sstevel@tonic-gate <A HREF="#store"><EM>Data Store</EM></A><BR> 620Sstevel@tonic-gate <A HREF="#dspath"><EM>Path</EM></A><BR> 630Sstevel@tonic-gate <A HREF="#hostnmserv"><EM>Hosts Name Service</EM></A><BR> 640Sstevel@tonic-gate <A HREF="#lease"><EM>Lease Policy</EM></A><BR> 650Sstevel@tonic-gate <A HREF="#dns"><EM>DNS Domain/Server</EM></A><BR> 660Sstevel@tonic-gate <A HREF="#net"><EM>Network</EM></A><BR> 670Sstevel@tonic-gate <A HREF="#router"><EM>Router</EM></A><BR> 680Sstevel@tonic-gate <A HREF="#nis"><EM>NIS</EM></A><BR> 690Sstevel@tonic-gate <A HREF="dhcp_relay_config.html">Relay Config</A><BR> 700Sstevel@tonic-gate <A HREF="dhcp_net_wiz.html">Network Config</A><BR> 710Sstevel@tonic-gate <A HREF="dhcp_server_serv.html">DHCP Services</A><BR> 720Sstevel@tonic-gate <A HREF="dhcp_relay_serv.html">Relay Services</A><P> 730Sstevel@tonic-gate <A HREF="dhcp_addr_ref.html"><STRONG>Addresses</STRONG></A><P> 740Sstevel@tonic-gate <A HREF="dhcp_macro_ref.html"><STRONG>Macros</STRONG></A><P> 750Sstevel@tonic-gate <A HREF="dhcp_option_ref.html"><STRONG>Options</STRONG></A><P> 760Sstevel@tonic-gate <A HREF="dhcp_main_how.html"><STRONG>How To..</STRONG></A><P> 770Sstevel@tonic-gate <A HREF="dhcp_main_menus.html"><STRONG>Menus</STRONG></A><P> 780Sstevel@tonic-gate<A HREF="dhcp_main_idx.html"><STRONG>Index</STRONG></A> 790Sstevel@tonic-gate 800Sstevel@tonic-gate </td> 810Sstevel@tonic-gate 820Sstevel@tonic-gate<!-- End contents block --> 830Sstevel@tonic-gate 840Sstevel@tonic-gate<!-- Start column rule --> 850Sstevel@tonic-gate 860Sstevel@tonic-gate <td colspan=1 width=5 bgcolor="#CCCCCC"> </td> 870Sstevel@tonic-gate 880Sstevel@tonic-gate<!-- End column spacer --> 890Sstevel@tonic-gate 900Sstevel@tonic-gate<!-- Start column spacer --> 910Sstevel@tonic-gate 920Sstevel@tonic-gate <td colspan=1 width=10 bgcolor="#FFFFFF"> </td> 930Sstevel@tonic-gate 940Sstevel@tonic-gate<!-- End column spacer --> 950Sstevel@tonic-gate 960Sstevel@tonic-gate 970Sstevel@tonic-gate 980Sstevel@tonic-gate<!-- Start topic block --> 990Sstevel@tonic-gate 1000Sstevel@tonic-gate<td colspan=1 valign="top" bgcolor="#ffffff" width="495"> 1010Sstevel@tonic-gate<P> </P> 1020Sstevel@tonic-gate 1030Sstevel@tonic-gate 1040Sstevel@tonic-gate<H1>DHCP Configuration Wizard</H1> 1050Sstevel@tonic-gate 1060Sstevel@tonic-gateThe DHCP Configuration Wizard helps you configure a Solaris<small><sup>TM</sup></small> 1070Sstevel@tonic-gatesystem to be a DHCP server and configures the first network. <P> 1080Sstevel@tonic-gate<TABLE WIDTH="500" BORDER="1" CELLSPACING="2" CELLPADDING="2" VALIGN="TOP" BORDERCOLOR="#CCCCCC" BGCOLOR="#DEDEDE"> 1090Sstevel@tonic-gate<TR> 1100Sstevel@tonic-gate<TD><STRONG>Note: </STRONG>Please read the "Planning for DHCP Service" chapter in the Solaris <em>DHCP Administration Guide, </em> before configuring a DHCP server. 1110Sstevel@tonic-gate</TD></TR> 1120Sstevel@tonic-gate</TABLE> 1130Sstevel@tonic-gate<P> 1140Sstevel@tonic-gateAfter initial configuration, use the Modify option in the <A HREF="dhcp_server_serv.html">Services</A> 1150Sstevel@tonic-gatemenu to configure services such as BOOTP compatibility, duplicate address detection, 1160Sstevel@tonic-gateand which interfaces to monitor.<P> 1170Sstevel@tonic-gateTo enter information in the wizard, double-click in the field, enter the desired value, and then press Enter.<P> 1180Sstevel@tonic-gateThe DHCP Configuration Wizard, asks you to supply the following information. 1190Sstevel@tonic-gate<P><HR NOSHADE><P> 1200Sstevel@tonic-gate 1210Sstevel@tonic-gate<table border=0 cellspacing=4 cellpadding=3 width=490> 1220Sstevel@tonic-gate <tr> 1230Sstevel@tonic-gate <td width=125 valign="top"><A NAME="store"><STRONG>Data Store </STRONG></A><br> 1240Sstevel@tonic-gate </td> 1250Sstevel@tonic-gate <td valign="top">Select the type of data store the DHCP server will use to 1260Sstevel@tonic-gate store configuration data. The choices are: 1270Sstevel@tonic-gate 1280Sstevel@tonic-gate<table cellspacing=3 cellpadding=3> 1290Sstevel@tonic-gate <tr> 1300Sstevel@tonic-gate <td width=90 valign="top"><em>Text files</em></td> 1310Sstevel@tonic-gate <td valign="top">Data is stored in clear text ASCII files. Suitable for small number of clients, up to 10,000. Data can be shared through NFS among several DHCP servers.</td> 1320Sstevel@tonic-gate </tr> 1330Sstevel@tonic-gate<tr> 1340Sstevel@tonic-gate <td width=90 valign="top"><em>Binary files</em></td> 1350Sstevel@tonic-gate <td valign="top">Data is stored in binary text files. Suitable for large numbers of clients up to 100,000. Data can <em>not</em> be shared among several DHCP servers. </td> 1360Sstevel@tonic-gate </tr> 1370Sstevel@tonic-gate</table> 1380Sstevel@tonic-gate</td> 1390Sstevel@tonic-gate</tr> 1400Sstevel@tonic-gate<!-- end data store row --> 1410Sstevel@tonic-gate <tr> 1420Sstevel@tonic-gate<td width=125 valign="top"><A NAME="dspath"><STRONG>Data store path</STRONG></A><br> 1430Sstevel@tonic-gate</td> 1440Sstevel@tonic-gate<td>If you chose text files or binary files as your data store, enter the path to the 1450Sstevel@tonic-gate data (default=<tt>/var/dhcp</tt>).<p> 146*11262SRajagopal.Andra@Sun.COM <P> </td></tr> 1470Sstevel@tonic-gate 1480Sstevel@tonic-gate 1490Sstevel@tonic-gate<tr> 1500Sstevel@tonic-gate <td width=125 valign="top"><A NAME="hostnmserv"><STRONG>Hosts name service</STRONG></A><br> 1510Sstevel@tonic-gate </td> 1520Sstevel@tonic-gate <td valign="top">Select the name service that the DHCP server should use to register host names associated with IP addresses that it allocates to clients. 1530Sstevel@tonic-gate <table cellspacing=3 cellpadding=3> 1540Sstevel@tonic-gate <tr> 1550Sstevel@tonic-gate <td width=90 valign="top"><em>Do not manage hosts records</em></td> 1560Sstevel@tonic-gate <td valign="top">The DHCP server will not attempt to add host name entries to any name service. An administrator should add the names manually to a name service. </td> 1570Sstevel@tonic-gate </tr> 1580Sstevel@tonic-gate<tr> 1590Sstevel@tonic-gate <td width=90 valign="top"><em>/etc/hosts</em></td> 1600Sstevel@tonic-gate <td valign="top">The DHCP server will add host name entries to the servers /etc/hosts table. </td> 1610Sstevel@tonic-gate </tr> 1620Sstevel@tonic-gate<tr> 1630Sstevel@tonic-gate <td width=90 valign="top"><em>DNS</em></td> 1640Sstevel@tonic-gate <td valign="top">The DHCP server will add host name entries to DNS if the DHCP daemon and DNS daemon are running on the same system. You must supply the DNS domain name. </td> 1650Sstevel@tonic-gate </tr> 1660Sstevel@tonic-gate</table> 1670Sstevel@tonic-gate 1680Sstevel@tonic-gate </td> 1690Sstevel@tonic-gate </tr> 1700Sstevel@tonic-gate<!-- End of Hosts name service row --> 1710Sstevel@tonic-gate <tr> 1720Sstevel@tonic-gate <td width=125 valign="top"><A NAME="lease"><STRONG>Lease Policy</STRONG></A><br> 1730Sstevel@tonic-gate </td> 1740Sstevel@tonic-gate <td valign="top">Enter the length of time before a lease expires. 1750Sstevel@tonic-gate The lease is the amount of time a DHCP server grants 1760Sstevel@tonic-gate permission to a DHCP client to use a particular address. 1770Sstevel@tonic-gate You can enter from 1 hour to 3550 weeks. <P> 1780Sstevel@tonic-gate The lease time value should be relatively small, so that expired addresses 1790Sstevel@tonic-gateare reclaimed quickly, but large enough so that if your DHCP service becomes 1800Sstevel@tonic-gateunavailable, the clients continue to function until the machine(s) running 1810Sstevel@tonic-gatethe DHCP service can be repaired. A rule of thumb is to specify a time that 1820Sstevel@tonic-gateis two times the predicted down time of a server. For example, if it generally 1830Sstevel@tonic-gatetakes four hours to obtain and replace a defective part and reboot the server, 1840Sstevel@tonic-gateyou should specify a lease time of eight hours. <P> 1850Sstevel@tonic-gate The default is to allow a client to renegotiate the lease before it expires. 1860Sstevel@tonic-gate A Solaris DHCP client will try to renew the lease when it is halfway 1870Sstevel@tonic-gate through the lease period. <P> 1880Sstevel@tonic-gate If not allowed to renegotiate, clients must issue a new DHCP request 1890Sstevel@tonic-gate in order to obtain a 1900Sstevel@tonic-gate new address when the lease expires. You may choose this option 1910Sstevel@tonic-gate in an environment where there are more clients than there are 1920Sstevel@tonic-gate addresses, and you need to enforce a time limit on the use of an IP 1930Sstevel@tonic-gate address. 1940Sstevel@tonic-gate </td> 1950Sstevel@tonic-gate </tr> 1960Sstevel@tonic-gate 1970Sstevel@tonic-gate <tr> 1980Sstevel@tonic-gate <td width=125 valign="top"><A NAME="dns"><STRONG>DNS Domain</STRONG></A></td> 1990Sstevel@tonic-gate <td valign="top">The domain server resolves host names to host 2000Sstevel@tonic-gate addresses. If the server is configured to use DNS, the domain name and address 2010Sstevel@tonic-gate of the DNS server will be displayed. 2020Sstevel@tonic-gate If the fields are empty, you can enter the domain name and address of a 2030Sstevel@tonic-gate DNS domain server. <p> 2040Sstevel@tonic-gate You can enter the address of more than one server. The order in the list 2050Sstevel@tonic-gate determines the order in which the servers are queried. 2060Sstevel@tonic-gate </td> 2070Sstevel@tonic-gate 2080Sstevel@tonic-gate </tr> 2090Sstevel@tonic-gate <TR><TD COLSPAN="2"> <A HREF="#top"><small>return to top</small></A></TD></TR> 2100Sstevel@tonic-gate 2110Sstevel@tonic-gate </table> 2120Sstevel@tonic-gate 2130Sstevel@tonic-gate<HR noshade size=2> 2140Sstevel@tonic-gate 2150Sstevel@tonic-gate 2160Sstevel@tonic-gate<strong><A NAME="net"><big>Network Configuration</big></A></STRONG><P> 2170Sstevel@tonic-gateThis section begins the network configuration. 2180Sstevel@tonic-gateYou can configure the first network using the DHCP Configuration Wizard. Once 2190Sstevel@tonic-gatethe DHCP server is configured, you can add additional networks using the Network Wizard, which is available from the Edit menu, when the Address view is displayed.<P> 2200Sstevel@tonic-gate 2210Sstevel@tonic-gate <table border=0 cellspacing=4 cellpadding=3 width=490> 2220Sstevel@tonic-gate <tr> 2230Sstevel@tonic-gate <td width=125 valign="top"><A NAME="addr"><STRONG>Network Address</STRONG></A></td> 2240Sstevel@tonic-gate <td valign="top"> 2250Sstevel@tonic-gate Enter the IP address of the network you are configuring.<p> 2260Sstevel@tonic-gate </td> 2270Sstevel@tonic-gate </tr> 2280Sstevel@tonic-gate 2290Sstevel@tonic-gate <tr> 2300Sstevel@tonic-gate <td width=125 valign="top"><A NAME="info"><STRONG>Subnet Mask</STRONG></A><br></td> 2310Sstevel@tonic-gate <td valign="top"> 2320Sstevel@tonic-gate Enter the subnet mask for this network. A subnet mask is a way of dividing 2330Sstevel@tonic-gate up the host portion of an Internet address to form local subnetworks. 2340Sstevel@tonic-gate </TD></TR> 2350Sstevel@tonic-gate 2360Sstevel@tonic-gate <tr> 2370Sstevel@tonic-gate <td width=125 valign="top"><A NAME="info"><STRONG>Network Type</STRONG></A><br></td> 2380Sstevel@tonic-gate <td valign="top"> 2390Sstevel@tonic-gate Specify whether the network is a local area network (LAN) or point-to-point (PPP).<p> 2400Sstevel@tonic-gate 2410Sstevel@tonic-gate 2420Sstevel@tonic-gate </TD> 2430Sstevel@tonic-gate </tr> 2440Sstevel@tonic-gate 2450Sstevel@tonic-gate <tr> 2460Sstevel@tonic-gate <td width=125 valign="top"><A NAME="router"><STRONG>Routing</STRONG></A></td> 2470Sstevel@tonic-gate <td valign="top">A router is a machine with multiple network 2480Sstevel@tonic-gate interfaces that can forward IP packets from one network to 2490Sstevel@tonic-gate another. In most cases, your clients should use router discovery to 2500Sstevel@tonic-gate connect to a router. If you have clients in your network that cannot 2510Sstevel@tonic-gate use router discovery, enter the IP address of a router which 2520Sstevel@tonic-gate they can use to communicate with systems on another network. 2530Sstevel@tonic-gate </td> 2540Sstevel@tonic-gate </tr> 2550Sstevel@tonic-gate 2560Sstevel@tonic-gate 2570Sstevel@tonic-gate <tr> 2580Sstevel@tonic-gate <td width=125 valign="top"><A NAME="nis"><STRONG>NIS Domain Name</STRONG></A><br> 2590Sstevel@tonic-gate <STRONG>NIS Server Address</STRONG></td> 2600Sstevel@tonic-gate <td valign="top">If the server is configured to use NIS naming service, 2610Sstevel@tonic-gate the NIS server information will be filled in. If not, you can enter the domain 2620Sstevel@tonic-gate name and IP address of one or more NIS name servers.<P> 2630Sstevel@tonic-gate 2640Sstevel@tonic-gate The order in which the address appears in the list determines the order in 2650Sstevel@tonic-gate which the servers are queried. 2660Sstevel@tonic-gate </td> 2670Sstevel@tonic-gate </tr> 2680Sstevel@tonic-gate 2690Sstevel@tonic-gate</table> 2700Sstevel@tonic-gate <A HREF="#top"><small>return to top</small></A> 2710Sstevel@tonic-gate 2720Sstevel@tonic-gate 2730Sstevel@tonic-gate 2740Sstevel@tonic-gate<p> </p> 2750Sstevel@tonic-gate 2760Sstevel@tonic-gate 2770Sstevel@tonic-gate<!-- Don't go past this line! --> 2780Sstevel@tonic-gate 2790Sstevel@tonic-gate </td> 2800Sstevel@tonic-gate 2810Sstevel@tonic-gate<!-- End topic block --> 2820Sstevel@tonic-gate 2830Sstevel@tonic-gate</tr> 2840Sstevel@tonic-gate 2850Sstevel@tonic-gate</table> 2860Sstevel@tonic-gate 2870Sstevel@tonic-gate<!-- End topic table --> 2880Sstevel@tonic-gate 2890Sstevel@tonic-gate</body> 2900Sstevel@tonic-gate</html> 291
