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Clarification on dhcp-host and DNS.

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Simon Kelley
2021-02-24 15:54:36 +00:00
parent 9e169a9bea
commit 17360439dc
1 changed files with 13 additions and 0 deletions
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man/dnsmasq.8
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@@ -1045,6 +1045,19 @@ option, but aliases are possible by using CNAMEs. (See
.B --cname
).
More than one
.B --dhcp-host
can be associated (by name, hardware address or UID) with a host. Which one is used
(and therefore which address is allocated by DHCP and appears in the DNS) depends
on the subnet on which the host last obtained a DHCP lease:
the
.B --dhcp-host
with an address within the subnet is used. If more than one address is within the subnet,
the result is undefined. A corollary to this is that the name associated with a host using
.B --dhcp-host
does not appear in the DNS until the host obtains a DHCP lease.
The special keyword "ignore"
tells dnsmasq to never offer a DHCP lease to a machine. The machine
can be specified by hardware address, client ID or hostname, for