Commit 80b5b1b6 authored by Marcin Siodelski's avatar Marcin Siodelski
Browse files

[3554] Updated the MAC/HW addresses in DHCPv6 section in the kea-guide.

parent 591cbdb6
......@@ -1841,26 +1841,26 @@ should include options from the isc option space:
<section id="mac-in-dhcpv6">
<title>MAC/Hardware addresses in DHCPv6</title>
<para>MAC/hardware addesses are available in DHCPv4 messages
from the client and administrators
from the clients and administrators
frequently use that information to perform certain tasks, like per host
configuration, address reserveration for specific MAC addresses and other.
Unfortunately, DHCPv6 protocol does not provide any completely reliable way
to retrieve that information. To mitigate that issue a number of mechanisms
has been implemented in Kea that attempts to gather that information. Each
of those mechanisms works in certain cases, but may fail in others. There
is no single best mechanism as they are somewhat dependent on the network
topology and the technologies used.</para>
have been implemented in Kea that attempt to gather that information. Each
of those mechanisms works in certain cases, but may fail in other cases.
Whether the mechanism works or not in the particular deployment is
somewhat dependent on the network topology and the technologies used.</para>
<para>Kea allows configuration which of the supported methods should be
<para>Kea allows for configuration which of the supported methods should be
used and in which order. This configuration may be considered a fine tuning
of the DHCP deployment. In a typical deployment the default
value of <command>"any"</command> is reasonable and there's no
need to change it. This paramter is the most useful in cases
when an administrator wants to disable certain method, e.g. if you
trust the network infrastructure more than the information
provided by the clients clients themselves, you may prefer
information provided by the relays over that provided by the
clients. The format of this parameter is as follows:
value of <command>"any"</command> is sufficient and there is no
need to select specific methods. Changing the value of this parameter
is the most useful in cases when an administrator wants to disable
certain method, e.g. if the administrator trusts the network infrastructure
more than the information provided by the clients themselves, the
administrator may prefer information provided by the relays over that
provided by the clients. The format of this parameter is as follows:
<screen>
"Dhcp6": {
<userinput>"mac-sources": [ "method1", "method2", "method3", ... ]</userinput>,
......
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