<html><body><div style="font-family: Andale Mono; font-size: 10pt; color: #000000"><div style="font-family: Andale Mono; font-size: 10pt; color: #000000">to use the class method you would then use keywords "allow members of <class>" and "deny members of <class>"</div><div style="font-family: Andale Mono; font-size: 10pt; color: #000000"><br data-mce-bogus="1"></div><div style="font-family: Andale Mono; font-size: 10pt; color: #000000">to use the host method , you would then use keywords "allow unknown clients" and "deny unknown clients"<br><br><hr id="zwchr" data-marker="__DIVIDER__"><div data-marker="__HEADERS__"><blockquote style="border-left:2px solid #1010FF;margin-left:5px;padding-left:5px;color:#000;font-weight:normal;font-style:normal;text-decoration:none;font-family:Helvetica,Arial,sans-serif;font-size:12pt;"><b>From: </b>"Sten Carlsen" <stenc@s-carlsen.dk><br><b>To: </b>"Users of ISC DHCP" <dhcp-users@lists.isc.org><br><b>Sent: </b>Wednesday, July 18, 2018 9:41:05 AM<br><b>Subject: </b>Re: allow dhcp only for known mac addresses<br></blockquote></div><div data-marker="__QUOTED_TEXT__"><blockquote style="border-left:2px solid #1010FF;margin-left:5px;padding-left:5px;color:#000;font-weight:normal;font-style:normal;text-decoration:none;font-family:Helvetica,Arial,sans-serif;font-size:12pt;">Hi<br>
<br>
<div class="moz-cite-prefix">On 18/07/2018 15.35, Vivek Patil wrote:<br>
</div>
<blockquote cite="mid:CAN506jRR04MmwMhSeOuj0xe9CP5fy4ZZKRBzgLP5J0Bm=MeNuQ@mail.gmail.com">
<div dir="ltr">Hi All,
<div><br>
</div>
<div>I have setup ISC DHCP server 4.2.4 on ubuntu 14.04 LTS. I
need to activate allow DHCP to only those machines whose mac I
allowed. All unknown mac machines should be deny.</div>
</div>
</blockquote>
I use classes with membership based on HWaddress (MAC), I put every
MAC in a subclass statement in an include file. The benefit of doing
things this way is the I can also assign router info and other
things to each MAC independently.<br>
<br>
The other option is to use a host statement but leave out the fixed
address stuff.<br>
<blockquote cite="mid:CAN506jRR04MmwMhSeOuj0xe9CP5fy4ZZKRBzgLP5J0Bm=MeNuQ@mail.gmail.com">
<div dir="ltr">
<div><br>
</div>
<div><br>
</div>
<div>I <b>dont want</b> mac binding (fixed-address)</div>
<div><br>
</div>
<div><br>
</div>
<div>Somebody please help me how I can do this.</div>
<div>Thanks in advance.</div>
</div>
<br>
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</blockquote>
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