Commit 48148b59 authored by Thomas Markwalder's avatar Thomas Markwalder

[#28] Clarify that domain names are only resolved once

common/dhcp-options.5 - added text to ip-address value section.
parent 83175640
.\" $Id: dhcp-options.5,v 1.50 2011/05/20 13:48:32 tomasz Exp $
.\"
.\" Copyright (c) 2004-2018 by Internet Systems Consortium, Inc. ("ISC")
.\" Copyright (c) 2004-2019 by Internet Systems Consortium, Inc. ("ISC")
.\" Copyright (c) 1996-2003 by Internet Software Consortium
.\"
.\" Permission to use, copy, modify, and distribute this software for any
......@@ -53,7 +53,14 @@ The
data type can be entered either as an explicit IP
address (e.g., 239.254.197.10) or as a domain name (e.g.,
haagen.isc.org). When entering a domain name, be sure that that
domain name resolves to a single IP address.
domain name resolves to a single IP address. Additionally, please
note the software (dhcpd or dhclient) will only attempt to resolve
the domain name the first time the option is needed. For example, if
the next-server option is defined as a domain name, dhcpd will
attempt to resolve it while responding to the first client query
dhcpd receives after startup. Should the domain's address subsequently
change, the software has to be restarted in order to pick up the
change.
.PP
The
.B ip6-address
......
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