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(itstool) path: authorgroup/author
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<acronym>PXE</acronym> Booting Process with <acronym>NFS</acronym> Root Mount
_ external ref='advanced-networking/pxe-nfs' md5='__failed__'
Client broadcasts a <literal>DHCPDISCOVER</literal> message.
The <acronym>DHCP</acronym> server responds with the <acronym>IP</acronym> address, <literal>next-server</literal>, <literal>filename</literal>, and <literal>root-path</literal> values.
The client sends a <acronym>TFTP</acronym> request to <literal>next-server</literal>, asking to retrieve <literal>filename</literal>.
The <acronym>TFTP</acronym> server responds and sends <literal>filename</literal> to client.
The client executes <literal>filename</literal>, which is <citerefentry><refentrytitle>pxeboot</refentrytitle><manvolnum>8</manvolnum></citerefentry>, which then loads the kernel. When the kernel executes, the root file system specified by <literal>root-path</literal> is mounted over <acronym>NFS</acronym>.
On the <acronym>TFTP</acronym> server, read <filename>/var/log/xferlog</filename> to ensure that <filename>pxeboot</filename> is being retrieved from the correct location. To test this example configuration:
<prompt>#</prompt> <userinput>tftp</userinput>
tftp&gt; <userinput>get FreeBSD/install/boot/pxeboot</userinput>
Received 264951 bytes in 0.1 seconds
The <literal>BUGS</literal> sections in <citerefentry><refentrytitle>tftpd</refentrytitle><manvolnum>8</manvolnum></citerefentry> and <citerefentry><refentrytitle>tftp</refentrytitle><manvolnum>1</manvolnum></citerefentry> document some limitations with <acronym>TFTP</acronym>.
Make sure that the root file system can be mounted via <acronym>NFS</acronym>. To test this example configuration:
<prompt>#</prompt> <userinput>mount -t nfs /mnt</userinput>
<personname> <firstname>Aaron</firstname> <surname>Kaplan</surname> </personname> <contrib>Originally Written by </contrib>
<personname> <firstname>Tom</firstname> <surname>Rhodes</surname> </personname> <contrib>Restructured and Added by </contrib>
<personname> <firstname>Brad</firstname> <surname>Davis</surname> </personname> <contrib>Extended by </contrib>
<acronym>IPv6</acronym> is the new version of the well known <acronym>IP</acronym> protocol, also known as <acronym>IPv4</acronym>. <acronym>IPv6</acronym> provides several advantages over <acronym>IPv4</acronym> as well as many new features:
Its 128-bit address space allows for 340,282,366,920,938,463,463,374,607,431,768,211,456 addresses. This addresses the <acronym>IPv4</acronym> address shortage and eventual <acronym>IPv4</acronym> address exhaustion.
Routers only store network aggregation addresses in their routing tables, thus reducing the average space of a routing table to 8192 entries. This addresses the scalability issues associated with <acronym>IPv4</acronym>, which required every allocated block of <acronym>IPv4</acronym> addresses to be exchanged between Internet routers, causing their routing tables to become too large to allow efficient routing.
Address autoconfiguration (<link xlink:href="">RFC2462</link>).
Mandatory multicast addresses.
Built-in <acronym>IPsec</acronym> (<acronym>IP</acronym> security).
Simplified header structure.
Support for mobile <acronym>IP</acronym>.
<acronym>IPv6</acronym>-to-<acronym>IPv4</acronym> transition mechanisms.
FreeBSD includes the <link xlink:href=""></link> <acronym>IPv6</acronym> reference implementation and comes with everything needed to use <acronym>IPv6</acronym>. This section focuses on getting <acronym>IPv6</acronym> configured and running.
Background on <acronym>IPv6</acronym> Addresses
There are three different types of <acronym>IPv6</acronym> addresses:
A packet sent to a unicast address arrives at the interface belonging to the address.


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(itstool) path: authorgroup/author
Source string location
String age
a year ago
Source string age
a year ago
Translation file
books/handbook.pot, string 11170