<html>

<head>
<META HTTP-EQUIV="Content-Type" CONTENT="text/html; charset=us-ascii">


<meta name=Generator content="Microsoft Word 10 (filtered)">

<style>
<!--
 /* Font Definitions */
 @font-face
        {font-family:PMingLiU;
        panose-1:2 2 5 0 0 0 0 0 0 0;}
@font-face
        {font-family:PMingLiU;
        panose-1:2 2 5 0 0 0 0 0 0 0;}
@font-face
        {font-family:Tahoma;
        panose-1:2 11 6 4 3 5 4 4 2 4;}
 /* Style Definitions */
 p.MsoNormal, li.MsoNormal, div.MsoNormal
        {margin:0cm;
        margin-bottom:.0001pt;
        font-size:12.0pt;
        font-family:"Times New Roman";}
a:link, span.MsoHyperlink
        {color:blue;
        text-decoration:underline;}
a:visited, span.MsoHyperlinkFollowed
        {color:purple;
        text-decoration:underline;}
span.emailstyle17
        {font-family:Arial;
        color:windowtext;}
span.emailstyle18
        {font-family:Arial;
        color:navy;}
span.EmailStyle19
        {font-family:Arial;
        color:navy;}
@page Section1
        {size:595.3pt 841.9pt;
        margin:72.0pt 90.0pt 72.0pt 90.0pt;
        layout-grid:18.0pt;}
div.Section1
        {page:Section1;}
-->
</style>

</head>

<body lang=ZH-TW link=blue vlink=purple style='text-justify-trim:punctuation'>

<div class=Section1 style='layout-grid:18.0pt'>

<p class=MsoNormal><font size=1 color=navy face=Arial><span lang=EN-US
style='font-size:9.0pt;font-family:Arial;color:navy'>That ‘s my dhclient.conf:</span></font></p>

<p class=MsoNormal style='text-indent:24.0pt'><font size=1 color=navy
face=Arial><span lang=EN-US style='font-size:9.0pt;font-family:Arial;
color:navy'># dhclient.conf</span></font></p>

<p class=MsoNormal><font size=1 color=navy face=Arial><span lang=EN-US
style='font-size:9.0pt;font-family:Arial;color:navy'> </span></font></p>

<p class=MsoNormal style='text-indent:24.0pt'><font size=1 color=navy
face=Arial><span lang=EN-US style='font-size:9.0pt;font-family:Arial;
color:navy'>option option-125 code 125 = string;</span></font></p>

<p class=MsoNormal style='text-indent:24.0pt'><font size=1 color=navy
face=Arial><span lang=EN-US style='font-size:9.0pt;font-family:Arial;
color:navy'>option option-125
7d:23:00:00:0d:e9:1e:1:b:49:49:49:38:32:30:36:32:33:2:6:38:32:30:36:32:33:3:</span></font><font size=1 color=navy face=Arial><span lang=EN-US style='font-size:9.0pt;font-family:
 Arial;color:navy'>3:41:44:56</span></font><font size=1 color=navy face=Arial><span
lang=EN-US style='font-size:9.0pt;font-family:Arial;color:navy'>;</span></font></p>

<p class=MsoNormal><font size=1 color=navy face=Arial><span lang=EN-US
style='font-size:9.0pt;font-family:Arial;color:navy'> </span></font></p>

<p class=MsoNormal style='text-indent:24.0pt'><font size=1 color=navy
face=Arial><span lang=EN-US style='font-size:9.0pt;font-family:Arial;
color:navy'>interface "eth0"{</span></font></p>

<p class=MsoNormal style='text-indent:24.0pt'><font size=1 color=navy
face=Arial><span lang=EN-US style='font-size:9.0pt;font-family:Arial;
color:navy'>prepend domain-name-servers 127.0.0.1;</span></font></p>

<p class=MsoNormal style='text-indent:24.0pt'><font size=1 color=navy
face=Arial><span lang=EN-US style='font-size:9.0pt;font-family:Arial;
color:navy'>request subnet-mask, broadcast-address, time-offset, routers,</span></font></p>

<p class=MsoNormal style='text-indent:24.0pt'><font size=1 color=navy
face=Arial><span lang=EN-US style='font-size:9.0pt;font-family:Arial;
color:navy'>        domain-name,
domain-name-servers, host-name;</span></font></p>

<p class=MsoNormal style='text-indent:24.0pt'><font size=1 color=navy
face=Arial><span lang=EN-US style='font-size:9.0pt;font-family:Arial;
color:navy'>require subnet-mask, domain-name-servers;</span></font></p>

<p class=MsoNormal style='text-indent:24.0pt'><font size=1 color=navy
face=Arial><span lang=EN-US style='font-size:9.0pt;font-family:Arial;
color:navy'>}</span></font></p>

<p class=MsoNormal style='text-indent:24.0pt'><font size=1 color=navy
face=Arial><span lang=EN-US style='font-size:9.0pt;font-family:Arial;
color:navy'># end dhclient.conf</span></font></p>

<p class=MsoNormal><font size=1 color=navy face=Arial><span lang=EN-US
style='font-size:9.0pt;font-family:Arial;color:navy'> </span></font></p>

<p class=MsoNormal style='margin-left:24.0pt'><font size=2 face=Tahoma><span
lang=EN-US style='font-size:10.0pt;font-family:Tahoma'>-----Original Message-----<br>
<b><span style='font-weight:bold'>From:</span></b> dhcp-users-bounce@isc.org
[mailto:dhcp-users-bounce@isc.org] <b><span style='font-weight:bold'>On Behalf
Of </span></b>James<br>
<b><span style='font-weight:bold'>Sent:</span></b> Tuesday, February 05, 2008
12:10 PM<br>
<b><span style='font-weight:bold'>To:</span></b> dhcp-users@isc.org<br>
<b><span style='font-weight:bold'>Subject:</span></b> RE: DHCP Option 125</span></font></p>

<p class=MsoNormal style='margin-left:24.0pt'><font size=3
face="Times New Roman"><span lang=EN-US style='font-size:12.0pt'> </span></font></p>

<p class=MsoNormal style='margin-left:24.0pt'><font size=1 color=navy
face=Arial><span lang=EN-US style='font-size:9.0pt;font-family:Arial;
color:navy'>I already add </span></font></p>

<p class=MsoNormal style='margin-left:24.0pt'><font size=1 color=navy
face=Arial><span lang=EN-US style='font-size:9.0pt;font-family:Arial;
color:navy'>          option
option-125 code 125 = string;</span></font></p>

<p class=MsoNormal style='margin-left:24.0pt;text-indent:24.0pt'><font size=1
color=navy face=Arial><span lang=EN-US style='font-size:9.0pt;font-family:Arial;
color:navy'>option option-125
7d:23:00:00:0d:e9:1e:1:b:49:49:49:38:32:30:36:32:33:2:6:38:32:30:36:32:33:3:3:41:44:56;</span></font></p>

<p class=MsoNormal style='margin-left:24.0pt'><font size=1 color=navy
face=Arial><span lang=EN-US style='font-size:9.0pt;font-family:Arial;
color:navy'>But how do I know the response? </span></font></p>

<p class=MsoNormal style='margin-left:24.0pt'><font size=1 color=navy
face=Arial><span lang=EN-US style='font-size:9.0pt;font-family:Arial;
color:navy'>Thank you.</span></font></p>

<p class=MsoNormal style='margin-left:24.0pt'><font size=1 color=navy
face=Arial><span lang=EN-US style='font-size:9.0pt;font-family:Arial;
color:navy'> </span></font></p>

<p class=MsoNormal style='margin-left:48.0pt'><font size=2 face=Tahoma><span
lang=EN-US style='font-size:10.0pt;font-family:Tahoma'>-----Original
Message-----<br>
<b><span style='font-weight:bold'>From:</span></b> dhcp-users-bounce@isc.org
[mailto:dhcp-users-bounce@isc.org] <b><span style='font-weight:bold'>On Behalf
Of </span></b>James<br>
<b><span style='font-weight:bold'>Sent:</span></b> Tuesday, February 05, 2008
9:53 AM<br>
<b><span style='font-weight:bold'>To:</span></b> dhcp-users@isc.org<br>
<b><span style='font-weight:bold'>Subject:</span></b> DHCP Option 125</span></font></p>

<p class=MsoNormal style='margin-left:48.0pt'><font size=3
face="Times New Roman"><span lang=EN-US style='font-size:12.0pt'> </span></font></p>

<p class=MsoNormal style='margin-left:48.0pt'><font size=1 face=Arial><span
lang=EN-US style='font-size:9.0pt;font-family:Arial'>Hi,</span></font></p>

<p class=MsoNormal style='margin-left:48.0pt'><font size=1 face=Arial><span
lang=EN-US style='font-size:9.0pt;font-family:Arial'>I want to use DHCP Option 125
to get vendor-specific information.  ( Device < = = > Gateway )</span></font></p>

<p class=MsoNormal style='margin-left:48.0pt'><font size=1 face=Arial><span
lang=EN-US style='font-size:9.0pt;font-family:Arial'>A DHCP request is sent
from the Device that contains the Device Identity to the Gateway. So the
Gateway can get the Device Identity.</span></font></p>

<p class=MsoNormal style='margin-left:48.0pt'><font size=1 face=Arial><span
lang=EN-US style='font-size:9.0pt;font-family:Arial'>A DHCP response is sent
from the Gateway that contains the Gateway Identity to the Device. So the
Device can get the Gateway Identity.</span></font></p>

<p class=MsoNormal style='margin-left:48.0pt'><font size=1 face=Arial><span
lang=EN-US style='font-size:9.0pt;font-family:Arial'>I want to get the
“Gateway Identity” and save it into file. So I can read this
information at other application.</span></font></p>

<p class=MsoNormal style='margin-left:48.0pt'><font size=1 face=Arial><span
lang=EN-US style='font-size:9.0pt;font-family:Arial'>What should I do? </span></font></p>

<p class=MsoNormal style='margin-left:48.0pt'><font size=1 face=Arial><span
lang=EN-US style='font-size:9.0pt;font-family:Arial'>Thank you.</span></font></p>

<p class=MsoNormal style='margin-left:48.0pt'><font size=1 face=Arial><span
lang=EN-US style='font-size:9.0pt;font-family:Arial'> </span></font></p>

<p class=MsoNormal style='margin-left:48.0pt'><font size=1 face=Arial><span
lang=EN-US style='font-size:9.0pt;font-family:Arial'>James</span></font></p>

</div>

</body>

</html>