Bug #413 ยป dhclient.8.patch
| dhclient.8 2006-12-19 11:47:00.000000000 +0100 | ||
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.\"
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.\" $Id: dhclient.8,v 1.12.2.9 2004/09/29 23:01:46 dhankins Exp $
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.\"
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.\" Portions copyright (c) 2000 David E. O'Brien.
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.\" All rights reserved.
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.\" $FreeBSD: ports/net/isc-dhcp3-server/files/patch-client::dhclient.8,v 1.3 2004/03/22 23:33:09 des Exp $
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.\"
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.TH dhclient 8
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.SH NAME
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dhclient - Dynamic Host Configuration Protocol Client
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.I port
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]
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[
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.B -D
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]
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[
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.B -d
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]
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[
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.B -q
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]
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[
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.B -v
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]
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[
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.B -1
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]
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[
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relay
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]
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[
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.B -i
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interval
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]
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[
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.B -n
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]
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[
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configuration file or on the command line, and will ignore all other
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interfaces.
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.PP
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The
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.B -D
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flag causes
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.B dhclient
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to save the script it creates for use in conjunction with
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.B dhclient-script
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in
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.IR /tmp.
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.PP
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If the DHCP client should listen and transmit on a port other than the
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standard (port 68), the
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.B -p
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flag, followed by the IP address to send. This is only useful for testing,
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and should not be expected to work in any consistent or useful way.
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.PP
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On FreeBSD, dhclient can be enabled to automatically handle the
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link status of the network card. Normally polling is done every
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five seconds. The polling interval can be set using the
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.B -i
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flag, followed by the numbers of seconds. Minimum is one second.
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.PP
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The DHCP client will normally run in the foreground until it has
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configured an interface, and then will revert to running in the
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background. To run force dhclient to always run as a foreground
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.B -q
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flag prevents any messages other than errors from being printed to the
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standard error descriptor.
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.B -v
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flag turns on all messages.
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Opposite of
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.B -q .
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.PP
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The client normally doesn't release the current lease as it is not
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required by the DHCP protocol. Some cable ISPs require their clients
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.B -w
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flag can be used to cause the client not to exit when it doesn't find
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any such interfaces. The
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.B omshell (8)
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.B omshell (1)
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program can then be used to notify the client when a network interface
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has been added or removed, so that the client can attempt to configure an IP
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address on that interface.
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