Commit 09322a20 authored by Tomek Mrugalski's avatar Tomek Mrugalski 🛰
Browse files

[3553] User's Guide updated.

parent 28cc564f
......@@ -1921,7 +1921,7 @@ should include options from the isc option space:
</simpara>
</listitem>
<listitem>
<simpara><command>remote-id</command> <ulink
<simpara><command>remote-id</command> - <ulink
url="http://tools.ietf.org/html/rfc4649">RFC 4649</ulink>
defines remote-id option that is inserted by a relay agent. Depending
on the relay agent configuration, the inserted option may convey client's
......@@ -1941,10 +1941,20 @@ should include options from the isc option space:
</simpara>
</listitem>
<listitem>
<simpara><command>docsis</command> - Yet another possible source of MAC
<simpara><command>docsis-cmts</command> - Yet another possible source of MAC
address information are DOCSIS options inserted by a CMTS that acts
as a DHCPv6 relay agent in cable networks. This method is
currently not implemented.
as a DHCPv6 relay agent in cable networks. This method attempts to extract
MAC address information from suboption 1026 (cm mac) from vendor specific option
with vendor-id=4491. This vendor option extracted from relay-forward message,
not the original client's message.
</simpara>
</listitem>
<listitem>
<simpara><command>docsis-modem</command> - Yet another possible source of MAC
address information are DOCSIS options inserted by the cable modem itself.
This method attempts to extract MAC address information from suboption 36 (device id)
from vendor specific option with vendor-id=4491. This vendor option extracted from
the original client's message, not from any relay options.
</simpara>
</listitem>
</itemizedlist>
......
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