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Support MAC addresses in dhcp-host and dhcp-mac for DHCPv6.

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Simon Kelley
2013-09-20 16:29:20 +01:00
parent c8f2dd8b53
commit 89500e31f1
14 changed files with 417 additions and 271 deletions
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16
man/dnsmasq.8
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@@ -766,7 +766,8 @@ the same subnet as some valid dhcp-range. For
subnets which don't need a pool of dynamically allocated addresses,
use the "static" keyword in the dhcp-range declaration.
It is allowed to use client identifiers rather than
It is allowed to use client identifiers (called client
DUID in IPv6-land rather than
hardware addresses to identify hosts by prefixing with 'id:'. Thus:
.B --dhcp-host=id:01:02:03:04,.....
refers to the host with client identifier 01:02:03:04. It is also
@@ -781,11 +782,12 @@ IPv6 addresses may contain only the host-identifier part:
.B --dhcp-host=laptop,[::56]
in which case they act as wildcards in constructed dhcp ranges, with
the appropriate network part inserted.
Note that in IPv6 DHCP, the hardware address is not normally
available, so a client must be identified by client-id (called client
DUID in IPv6-land) or hostname.
Note that in IPv6 DHCP, the hardware address may not be
available, though it normally is for direct-connected clients, or
clients using DHCP relays which support RFC 6939.
The special option id:* means "ignore any client-id
For DHCPv4, the special option id:* means "ignore any client-id
and use MAC addresses only." This is useful when a client presents a client-id sometimes
but not others.
@@ -1033,7 +1035,7 @@ this to set a different printer server for hosts in the class
"accounts" than for hosts in the class "engineering".
.TP
.B \-4, --dhcp-mac=set:<tag>,<MAC address>
(IPv4 only) Map from a MAC address to a tag. The MAC address may include
Map from a MAC address to a tag. The MAC address may include
wildcards. For example
.B --dhcp-mac=set:3com,01:34:23:*:*:*
will set the tag "3com" for any host whose MAC address matches the pattern.
@@ -1339,7 +1341,7 @@ every call to the script.
DNSMASQ_IAID containing the IAID for the lease. If the lease is a
temporary allocation, this is prefixed to 'T'.
DNSMASQ_MAC containing the MAC address of the client, if known.
Note that the supplied hostname, vendorclass and userclass data is
only supplied for