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									macOS - DHCP lease renew - MacOS X Software				            </title>
            <link>https://www.tweaking4all.com/forum/macos-x-software/macos-dhcp-lease-renew/</link>
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                        <title>macOS - DHCP lease renew</title>
                        <link>https://www.tweaking4all.com/forum/macos-x-software/macos-dhcp-lease-renew/#post-5183</link>
                        <pubDate>Sat, 02 Dec 2023 10:26:25 +0000</pubDate>
                        <description><![CDATA[Under Windows one has the option to renew or release the DNS lease with
ipconfig /release
ipconfig /renew
Something similar can be done under macOS as well. For this you will first need t...]]></description>
                        <content:encoded><![CDATA[<p>Under Windows one has the option to renew or release the DNS lease with</p>
<pre contenteditable="false">ipconfig /release
ipconfig /renew</pre>
<p>Something similar can be done under macOS as well. <br />For this you will first need to determine what network interface (adapter or device) you would like to use for this.</p>
<p>The easiest way to find that is using networksetup in terminal, like so:</p>
<pre contenteditable="false">networksetup -listallhardwareports</pre>
<p>Which shows a list of network devices, like so (removed a few to keep the list readable):</p>
<pre contenteditable="false">$ networksetup -listallhardwareports

...

Hardware Port: Ethernet Adapter (en1)
Device: en1
Ethernet Address: 46:2a:52:ad:62:c7

Hardware Port: Ethernet Adapter (en2)
Device: en2
Ethernet Address: 46:3f:52:ad:62:c8

...

Hardware Port: Wi-Fi
Device: en0
Ethernet Address: f4:a4:88:5d:29:2e

...</pre>
<p>You can use "ifconfig" for this, which is less convenient in my opinion, as it potentially will list a ton of network interfaces.</p>
<p> </p>
<p>Now that you know what network device to use, we can release/renew the DHCP provided IP address like so (used "en0" as an example, sudo is required):</p>
<pre contenteditable="false">sudo ipconfig set en0 DHCP</pre>
<p><br />Verify the details if you like:<br /><br /></p>
<pre contenteditable="false">ipconfig getpacket en0</pre>
<p>This should produce a litst showing IP4 and IP6 addresses, subnet mask, DNS server, router, etc.</p>]]></content:encoded>
						                            <category domain="https://www.tweaking4all.com/forum/macos-x-software/">MacOS X Software</category>                        <dc:creator>Hans</dc:creator>
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