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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>
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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">
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58*0Sstevel@tonic-gate	<td colspan=1 valign="top" WIDTH="105">
59*0Sstevel@tonic-gate	<P>&nbsp;</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	&nbsp;&nbsp;<A HREF="dhcp_config_wiz.html">DHCP Config</A><BR>
64*0Sstevel@tonic-gate	&nbsp;&nbsp;<A HREF="dhcp_relay_config.html">BOOTP Config</A><BR>
65*0Sstevel@tonic-gate	&nbsp;&nbsp;<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	&nbsp;&nbsp;&nbsp;&nbsp;<a href="#hops"><EM>Hops</EM></a><BR>
68*0Sstevel@tonic-gate	&nbsp;&nbsp;&nbsp;&nbsp;<a href="#log"><EM>Verbose</EM></a><BR>
69*0Sstevel@tonic-gate	&nbsp;&nbsp;&nbsp;&nbsp;<a href="#trans"><EM>Log Trans</EM></a><BR>
70*0Sstevel@tonic-gate	&nbsp;&nbsp;&nbsp;&nbsp;<a href="#dupaddr"><EM>Detect Addr</EM></a><BR>
71*0Sstevel@tonic-gate	&nbsp;&nbsp;&nbsp;&nbsp;<a href="#rescan"><EM>Reload</EM></a><BR>
72*0Sstevel@tonic-gate   &nbsp;&nbsp;&nbsp;&nbsp;<a href="#dnsup"><EM>Update DNS</EM></a><BR>
73*0Sstevel@tonic-gate   &nbsp;&nbsp;&nbsp;&nbsp;<a href="#dnstime"><EM>Timeout DNS</EM></a><BR>
74*0Sstevel@tonic-gate	&nbsp;&nbsp;&nbsp;&nbsp;<a href="#cache"><EM>Cache</EM></a><BR>
75*0Sstevel@tonic-gate	&nbsp;&nbsp;&nbsp;&nbsp;<a href="#compat"><EM>BOOTP</EM></a><BR>
76*0Sstevel@tonic-gate	&nbsp;&nbsp;&nbsp;&nbsp;<a href="#inter"><EM>Interfaces</EM></a><BR>
77*0Sstevel@tonic-gate	&nbsp;&nbsp;&nbsp;&nbsp;<a href="#addrs"><EM>Addresses</EM></a><BR>
78*0Sstevel@tonic-gate	&nbsp;&nbsp;<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>
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104*0Sstevel@tonic-gate<!-- Start topic block -->
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106*0Sstevel@tonic-gate<td colspan=1 valign="top" bgcolor="#ffffff" WIDTH="495">
107*0Sstevel@tonic-gate
108*0Sstevel@tonic-gate<P>&nbsp;</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>
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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&nbsp;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>
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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>
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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>
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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>
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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.
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211*0Sstevel@tonic-gate	</tr>
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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.
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223*0Sstevel@tonic-gate
224*0Sstevel@tonic-gate</table>
225*0Sstevel@tonic-gate&nbsp;&nbsp;&nbsp;<A HREF="#top"><small>return to top</small></A>
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227*0Sstevel@tonic-gate
228*0Sstevel@tonic-gate
229*0Sstevel@tonic-gate
230*0Sstevel@tonic-gate<p>&nbsp;</p>
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