1*0Sstevel@tonic-gate<!-- 2*0Sstevel@tonic-gate -- #ident "%Z%%M% %I% %E% SMI" 3*0Sstevel@tonic-gate -- 4*0Sstevel@tonic-gate CDDL HEADER START 5*0Sstevel@tonic-gate 6*0Sstevel@tonic-gate The contents of this file are subject to the terms of the 7*0Sstevel@tonic-gate Common Development and Distribution License, Version 1.0 only 8*0Sstevel@tonic-gate (the "License"). You may not use this file except in compliance 9*0Sstevel@tonic-gate with the License. 10*0Sstevel@tonic-gate 11*0Sstevel@tonic-gate You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 12*0Sstevel@tonic-gate or http://www.opensolaris.org/os/licensing. 13*0Sstevel@tonic-gate See the License for the specific language governing permissions 14*0Sstevel@tonic-gate and limitations under the License. 15*0Sstevel@tonic-gate 16*0Sstevel@tonic-gate When distributing Covered Code, include this CDDL HEADER in each 17*0Sstevel@tonic-gate file and include the License file at usr/src/OPENSOLARIS.LICENSE. 18*0Sstevel@tonic-gate If applicable, add the following below this CDDL HEADER, with the 19*0Sstevel@tonic-gate fields enclosed by brackets "[]" replaced with your own identifying 20*0Sstevel@tonic-gate information: Portions Copyright [yyyy] [name of copyright owner] 21*0Sstevel@tonic-gate 22*0Sstevel@tonic-gate CDDL HEADER END 23*0Sstevel@tonic-gate 24*0Sstevel@tonic-gate -- Copyright 2005 Sun Microsystems, Inc. All rights reserved. 25*0Sstevel@tonic-gate -- Use is subject to license terms.^M 26*0Sstevel@tonic-gate --> 27*0Sstevel@tonic-gate<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 3.2//EN"> 28*0Sstevel@tonic-gate<html> 29*0Sstevel@tonic-gate 30*0Sstevel@tonic-gate<head> 31*0Sstevel@tonic-gate<title>DHCP Manager Help: DHCP Services</title> 32*0Sstevel@tonic-gate<meta NAME="AUTHOR" CONTENT="smorgan"> 33*0Sstevel@tonic-gate<meta NAME="KEYWORDS" CONTENT="DHCP"> 34*0Sstevel@tonic-gate 35*0Sstevel@tonic-gate</head> 36*0Sstevel@tonic-gate 37*0Sstevel@tonic-gate<body bgcolor="#FFFFFF"> 38*0Sstevel@tonic-gate 39*0Sstevel@tonic-gate<a name="top"></a> 40*0Sstevel@tonic-gate 41*0Sstevel@tonic-gate<table border=0 cellspacing=0 cellpadding=0 width=625> 42*0Sstevel@tonic-gate 43*0Sstevel@tonic-gate 44*0Sstevel@tonic-gate<!-- Start navigation banner --> 45*0Sstevel@tonic-gate 46*0Sstevel@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"> 47*0Sstevel@tonic-gate 48*0Sstevel@tonic-gate </td> 49*0Sstevel@tonic-gate </tr> 50*0Sstevel@tonic-gate 51*0Sstevel@tonic-gate<!-- End navigation banner --> 52*0Sstevel@tonic-gate 53*0Sstevel@tonic-gate 54*0Sstevel@tonic-gate<tr> 55*0Sstevel@tonic-gate 56*0Sstevel@tonic-gate<!-- Start contents block --> 57*0Sstevel@tonic-gate 58*0Sstevel@tonic-gate <td colspan=1 valign="top" WIDTH="105"> 59*0Sstevel@tonic-gate <P> </P> 60*0Sstevel@tonic-gate <STRONG><A HREF="dhcp_main_top.html">Overview</A></STRONG><P> 61*0Sstevel@tonic-gate 62*0Sstevel@tonic-gate <A HREF="dhcp_relay_ref.html"><STRONG>Servers and Relays</STRONG></A><BR> 63*0Sstevel@tonic-gate <A HREF="dhcp_config_wiz.html">DHCP Config</A><BR> 64*0Sstevel@tonic-gate <A HREF="dhcp_relay_config.html">BOOTP Config</A><BR> 65*0Sstevel@tonic-gate <A HREF="dhcp_net_wiz.html">Net Config</A><BR> 66*0Sstevel@tonic-gate <IMG SRC="art/tip2.gif" WIDTH=12 HEIGHT=10 BORDER=0 ALT="">DHCP Services<BR> 67*0Sstevel@tonic-gate <a href="#hops"><EM>Hops</EM></a><BR> 68*0Sstevel@tonic-gate <a href="#log"><EM>Verbose</EM></a><BR> 69*0Sstevel@tonic-gate <a href="#trans"><EM>Log Trans</EM></a><BR> 70*0Sstevel@tonic-gate <a href="#dupaddr"><EM>Detect Addr</EM></a><BR> 71*0Sstevel@tonic-gate <a href="#rescan"><EM>Reload</EM></a><BR> 72*0Sstevel@tonic-gate <a href="#dnsup"><EM>Update DNS</EM></a><BR> 73*0Sstevel@tonic-gate <a href="#dnstime"><EM>Timeout DNS</EM></a><BR> 74*0Sstevel@tonic-gate <a href="#cache"><EM>Cache</EM></a><BR> 75*0Sstevel@tonic-gate <a href="#compat"><EM>BOOTP</EM></a><BR> 76*0Sstevel@tonic-gate <a href="#inter"><EM>Interfaces</EM></a><BR> 77*0Sstevel@tonic-gate <a href="#addrs"><EM>Addresses</EM></a><BR> 78*0Sstevel@tonic-gate <A HREF="dhcp_relay_serv.html">BOOTP Services</A><P> 79*0Sstevel@tonic-gate <A HREF="dhcp_addr_ref.html"><STRONG>Addresses</STRONG></A><P> 80*0Sstevel@tonic-gate <A HREF="dhcp_macro_ref.html"><STRONG>Macros</STRONG></A><P> 81*0Sstevel@tonic-gate <A HREF="dhcp_option_ref.html"><STRONG>Options</STRONG></A><P> 82*0Sstevel@tonic-gate<A HREF="dhcp_main_how.html"><STRONG>How To..</STRONG></A><P> 83*0Sstevel@tonic-gate <A HREF="dhcp_main_menus.html"><STRONG>Menus</STRONG></A><P> 84*0Sstevel@tonic-gate<A HREF="dhcp_main_idx.html"><STRONG>Index</STRONG></A> 85*0Sstevel@tonic-gate 86*0Sstevel@tonic-gate </td> 87*0Sstevel@tonic-gate 88*0Sstevel@tonic-gate<!-- End contents block --> 89*0Sstevel@tonic-gate 90*0Sstevel@tonic-gate<!-- Start column rule --> 91*0Sstevel@tonic-gate 92*0Sstevel@tonic-gate <td colspan=1 width=5 bgcolor="#CCCCCC"> </td> 93*0Sstevel@tonic-gate 94*0Sstevel@tonic-gate<!-- End column spacer --> 95*0Sstevel@tonic-gate 96*0Sstevel@tonic-gate<!-- Start column spacer --> 97*0Sstevel@tonic-gate 98*0Sstevel@tonic-gate <td colspan=1 width=10 bgcolor="#FFFFFF"> </td> 99*0Sstevel@tonic-gate 100*0Sstevel@tonic-gate<!-- End column spacer --> 101*0Sstevel@tonic-gate 102*0Sstevel@tonic-gate 103*0Sstevel@tonic-gate 104*0Sstevel@tonic-gate<!-- Start topic block --> 105*0Sstevel@tonic-gate 106*0Sstevel@tonic-gate<td colspan=1 valign="top" bgcolor="#ffffff" WIDTH="495"> 107*0Sstevel@tonic-gate 108*0Sstevel@tonic-gate<P> </P> 109*0Sstevel@tonic-gate 110*0Sstevel@tonic-gate<h1>Modifying Service Options <BR>on a DHCP Server</h1> 111*0Sstevel@tonic-gate 112*0Sstevel@tonic-gateAfter the initial configuration, choose Modify in the Service menu to customize additional settings for the DHCP server. Changes you make here become the default settings used by the server in this session and each subsequent session.<P> 113*0Sstevel@tonic-gateUse the Modify Service Options dialog box to configure the following options. 114*0Sstevel@tonic-gate<P> 115*0Sstevel@tonic-gate 116*0Sstevel@tonic-gate<table border=0 cellspacing=4 cellpadding=3 width=430> 117*0Sstevel@tonic-gate 118*0Sstevel@tonic-gate <tr> 119*0Sstevel@tonic-gate <td width=125 valign="top"><A NAME="hops"><STRONG>Maximum Relay Agent Hops</STRONG></A><br> 120*0Sstevel@tonic-gate </td> 121*0Sstevel@tonic-gate <td valign="top">Specify the maximum number of relay hops that can occur before the DHCP server drops the request. The default is 4. 122*0Sstevel@tonic-gate </td> 123*0Sstevel@tonic-gate </tr> 124*0Sstevel@tonic-gate 125*0Sstevel@tonic-gate <TR> 126*0Sstevel@tonic-gate <td width=145 valign="top"><A NAME="log"><STRONG>Verbose Log Messages</STRONG></A><br></td> 127*0Sstevel@tonic-gate <td valign="top"> 128*0Sstevel@tonic-gateThe DHCP daemon writes messages to the <TT>syslogd</TT> facility. 129*0Sstevel@tonic-gateIn verbose mode, the DHCP daemon displays more messages than in non-verbose mode. This can reduce efficiency due to the time taken to write and display the messages. The default is for non-verbose mode. 130*0Sstevel@tonic-gate </TD> 131*0Sstevel@tonic-gate </tr> 132*0Sstevel@tonic-gate 133*0Sstevel@tonic-gate <tr> 134*0Sstevel@tonic-gate <td VALIGN=TOP WIDTH="145"><a name="trans"><STRONG>Log Transactions to syslog Facility</STRONG></A><br></td> 135*0Sstevel@tonic-gate 136*0Sstevel@tonic-gate<td valign="top"> 137*0Sstevel@tonic-gateSelect whether to have the DHCP daemon log transactions using 138*0Sstevel@tonic-gate <tt>syslogd</tt>, and select an integer from 0 through 7 to 139*0Sstevel@tonic-gatespecify the local syslog facility. The local syslog facility can be used to selectively 140*0Sstevel@tonic-gateview transaction messages generated by the DHCP daemon. Transactions include 141*0Sstevel@tonic-gateall DHCP messages between the daemon and clients. This feature may be useful 142*0Sstevel@tonic-gatein troubleshooting problems with DHCP.</td> 143*0Sstevel@tonic-gate</tr> 144*0Sstevel@tonic-gate 145*0Sstevel@tonic-gate 146*0Sstevel@tonic-gate 147*0Sstevel@tonic-gate <TR><TD VALIGN="top"><A NAME="dupaddr"><STRONG>Detect Duplicate IP Addresses</STRONG></A></TD> 148*0Sstevel@tonic-gate 149*0Sstevel@tonic-gate<TD>By default, the DHCP server pings an IP address before offering it to 150*0Sstevel@tonic-gatea DHCP or BOOTP client to verify that the address is not in use by 151*0Sstevel@tonic-gateanother client. Uncheck the box to disable this action. (Disabling this feature is not recommended.)<BR></TD></TR> 152*0Sstevel@tonic-gate 153*0Sstevel@tonic-gate 154*0Sstevel@tonic-gate <tr> 155*0Sstevel@tonic-gate <td width=125 valign="top"><A NAME="rescan"><STRONG>Reload <tt>dhcptab</tt></STRONG></A></td> 156*0Sstevel@tonic-gate <td valign="top"> 157*0Sstevel@tonic-gateSpecify the interval, in minutes, that the DHCP server should use to schedule the rereading of the <tt>dhcptab</tt> information.<P> 158*0Sstevel@tonic-gateThe DHCP server reads the <tt>dhcptab</tt> at startup and not again until told to do so.<p> 159*0Sstevel@tonic-gateTypically, the DHCP Manager causes the server to reread the <tt>dhcptab</tt> whenever you make a change to the data. The default is to turn off this option to avoid needless re-initialization of the <tt>dhcptab</tt>. 160*0Sstevel@tonic-gate </td> 161*0Sstevel@tonic-gate </tr> 162*0Sstevel@tonic-gate 163*0Sstevel@tonic-gate<tr> 164*0Sstevel@tonic-gate <td width=125 valign="top"><A NAME="dnsup"><STRONG>Update DNS host information</STRONG></A></td> 165*0Sstevel@tonic-gate <td valign="top"> 166*0Sstevel@tonic-gateSelect this option if this DHCP server supports clients that can specify their host names, and you want to have those host names added to the DNS tables. The DNS server must be set up to accept update requests from the DHCP server. See the Solaris <em>DHCP Administration Guide</em> for more information.</td> 167*0Sstevel@tonic-gate </tr> 168*0Sstevel@tonic-gate 169*0Sstevel@tonic-gate<tr> <td width=125 valign="top"><A NAME="dnstime"><STRONG>Timeout DNS update</STRONG></A></td> 170*0Sstevel@tonic-gate <td valign="top"> 171*0Sstevel@tonic-gateSpecify the number of seconds to wait for a response from the DNS server 172*0Sstevel@tonic-gatebefore timing out. The default is 15 seconds. This option is available only if you selected Update DNS host information.</tr> 173*0Sstevel@tonic-gate <tr> 174*0Sstevel@tonic-gate <td width=125 valign="top"><A NAME="cache"><STRONG>Cache Offers</STRONG></A> <br> 175*0Sstevel@tonic-gate </td> 176*0Sstevel@tonic-gate <td valign="top">Specify the number of seconds the server will hold open the offer to a client request for configuration. The default is 10 seconds.<P> 177*0Sstevel@tonic-gateYou can increase this time to compensate for slow performance on a slow network. 178*0Sstevel@tonic-gate </td> 179*0Sstevel@tonic-gate </tr> 180*0Sstevel@tonic-gate <tr> 181*0Sstevel@tonic-gate <td width=145 valign="top"><A NAME="compat"><STRONG>BOOTP Compatibility</STRONG></A><br> 182*0Sstevel@tonic-gate </td> 183*0Sstevel@tonic-gate <td valign="top">Select whether to allow the DHCP server to operate in BOOTP compatibility mode. In this mode, the DHCP server will respond to requests for configuration from BOOTP clients. 184*0Sstevel@tonic-gate 185*0Sstevel@tonic-gate<table border=0 cellspacing=3 cellpadding=3 width=300> 186*0Sstevel@tonic-gate<TR> 187*0Sstevel@tonic-gate<TD width=80 valign="top"><B>None</b></TD> 188*0Sstevel@tonic-gate<td valign="top">Do not support BOOTP clients.<P></TD> 189*0Sstevel@tonic-gate</TR> 190*0Sstevel@tonic-gate 191*0Sstevel@tonic-gate<TR> 192*0Sstevel@tonic-gate<TD WIDTH="80" VALIGN="TOP"><strong>Automatic</strong></TD> 193*0Sstevel@tonic-gate<TD>Automatically allocate permanent IP addresses to any requesting BOOTP clients.</TD> 194*0Sstevel@tonic-gate</TR> 195*0Sstevel@tonic-gate 196*0Sstevel@tonic-gate<TR> 197*0Sstevel@tonic-gate<TD WIDTH="80" VALIGN="TOP"><b>Manual</b></TD> 198*0Sstevel@tonic-gate<TD>Respond only to clients that have been assigned a reserved address in the server's network tables.</TD> 199*0Sstevel@tonic-gate</TR> 200*0Sstevel@tonic-gate</table> 201*0Sstevel@tonic-gate 202*0Sstevel@tonic-gate </td> 203*0Sstevel@tonic-gate </tr> 204*0Sstevel@tonic-gate 205*0Sstevel@tonic-gate <tr> 206*0Sstevel@tonic-gate <td width=125 valign="top"><A NAME="inter"><STRONG>Interfaces</STRONG></A></td> 207*0Sstevel@tonic-gate <td valign="top">Click the Interfaces tab to choose which network interfaces the DHCP server will monitor.<P> The interfaces are listed by device name and network IP address. Use the arrow keys to remove or restore a network interface to the list of monitored interfaces.<P> The default is to allow the server to monitor all network interfaces. 208*0Sstevel@tonic-gate 209*0Sstevel@tonic-gate </td> 210*0Sstevel@tonic-gate 211*0Sstevel@tonic-gate </tr> 212*0Sstevel@tonic-gate 213*0Sstevel@tonic-gate <tr> 214*0Sstevel@tonic-gate <td width=125 valign="top"><A NAME="addrs"><STRONG>Addresses</STRONG></A></td> 215*0Sstevel@tonic-gate <td valign="top">Click the Addresses tab to choose which server addresses the DHCP server will own.<P> The DHCP server will manage all client records that are owned by the server addresses listed.<P> The default is to manage records owned by the server's primary IP address. 216*0Sstevel@tonic-gate 217*0Sstevel@tonic-gate </td> 218*0Sstevel@tonic-gate 219*0Sstevel@tonic-gate </tr> 220*0Sstevel@tonic-gate 221*0Sstevel@tonic-gate 222*0Sstevel@tonic-gate 223*0Sstevel@tonic-gate 224*0Sstevel@tonic-gate</table> 225*0Sstevel@tonic-gate <A HREF="#top"><small>return to top</small></A> 226*0Sstevel@tonic-gate 227*0Sstevel@tonic-gate 228*0Sstevel@tonic-gate 229*0Sstevel@tonic-gate 230*0Sstevel@tonic-gate<p> </p> 231*0Sstevel@tonic-gate 232*0Sstevel@tonic-gate 233*0Sstevel@tonic-gate 234*0Sstevel@tonic-gate<!-- Don't go past this line! --> 235*0Sstevel@tonic-gate 236*0Sstevel@tonic-gate </td> 237*0Sstevel@tonic-gate 238*0Sstevel@tonic-gate<!-- End topic block --> 239*0Sstevel@tonic-gate 240*0Sstevel@tonic-gate</tr> 241*0Sstevel@tonic-gate 242*0Sstevel@tonic-gate</table> 243*0Sstevel@tonic-gate 244*0Sstevel@tonic-gate<!-- End topic table --> 245*0Sstevel@tonic-gate 246*0Sstevel@tonic-gate</body> 247*0Sstevel@tonic-gate</html> 248