3b727ca6ac
- Reorganize patches by feature/bug per packaging guidelines (#225691) - Move the following files from patches to source files: linux.dbus-example, linux, Makefile.dist, dhcp4client.h, libdhcp_control.h - Compile with -fno-strict-aliasing as ISC coding standards generally don't agree well with gcc 4.x.x
314 lines
12 KiB
Diff
314 lines
12 KiB
Diff
--- dhcp-3.0.5/client/dhclient-script.8.manpages 2005-09-28 15:17:08.000000000 -0400
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+++ dhcp-3.0.5/client/dhclient-script.8 2007-03-29 14:55:09.000000000 -0400
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@@ -47,7 +47,7 @@
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exit hooks provided (see HOOKS for details). These hooks will allow the
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user to override the default behaviour of the client in creating a
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.B /etc/resolv.conf
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-file.
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+file, and to handle DHCP options not handled by default.
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.PP
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No standard client script exists for some operating systems, even though
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the actual client may work, so a pioneering user may well need to create
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@@ -91,6 +91,27 @@
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.B ETCDIR/dhclient-exit-hooks
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script can modify the valid of exit_status to change the exit status
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of dhclient-script.
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+.PP
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+Immediately after dhclient brings an interface UP with a new IP address,
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+subnet mask, and routes, in the REBOOT/BOUND states, it will check for the
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+existence of an executable
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+.B ETCDIR/dhclient-up-hooks
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+script, and source it if found. This script can handle DHCP options in
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+the environment that are not handled by default. A per-interface
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+.B ETCDIR/dhclient-up-${IF}-hooks
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+script will override the generic script and be sourced when interface
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+$IF has been brought up.
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+.PP
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+Immediately before dhclient brings an interface DOWN, removing its IP
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+address, subnet mask, and routes, in the STOP/RELEASE states, it will
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+check for the existence of an executable
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+.B ETCDIR/dhclient-down-hooks
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+script, and source it if found. This script can handle DHCP options in
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+the environment that are not handled by default. A per-interface
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+.B ETCDIR/dhclient-down-${IF}-hooks
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+script will override the generic script and be sourced when interface
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+$IF is about to be brought down.
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+
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.SH OPERATION
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When dhclient needs to invoke the client configuration script, it
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defines a set of variables in the environment, and then invokes
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--- dhcp-3.0.5/client/dhclient.conf.5.manpages 2005-06-16 15:40:13.000000000 -0400
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+++ dhcp-3.0.5/client/dhclient.conf.5 2007-03-29 14:55:21.000000000 -0400
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@@ -185,7 +185,8 @@
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options. Only the option names should be specified in the request
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statement - not option parameters. By default, the DHCP server
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requests the subnet-mask, broadcast-address, time-offset, routers,
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-domain-name, domain-name-servers and host-name options.
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+domain-name, domain-name-servers, host-name, nis-domain, nis-servers,
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+and ntp-servers options.
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.PP
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In some cases, it may be desirable to send no parameter request list
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at all. To do this, simply write the request statement but specify
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@@ -581,6 +582,18 @@
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Whenever the client tries to renew the lease, it will use that same
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media type. The lease must expire before the client will go back to
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cycling through media types.
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+.PP
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+ \fBbootp-broadcast-always;\fR
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+.PP
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+The
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+.B bootp-broadcast-always
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+statement instructs dhclient to always set the bootp broadcast flag in
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+request packets, so that servers will always broadcast replies.
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+This is equivalent to supplying the dhclient -B argument, and has
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+the same effect as specifying 'always-broadcast' in the server's dhcpd.conf.
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+This option is provided as a Red Hat extension to enable dhclient to work
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+on IBM zSeries z/OS Linux guests .
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+.PP
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.SH SAMPLE
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The following configuration file is used on a laptop running NetBSD
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1.3. The laptop has an IP alias of 192.5.5.213, and has one
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--- dhcp-3.0.5/client/dhclient.8.manpages 2007-03-29 14:54:16.000000000 -0400
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+++ dhcp-3.0.5/client/dhclient.8 2007-03-29 14:58:16.000000000 -0400
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@@ -85,6 +85,28 @@
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.B -x
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]
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[
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+.B -I
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+.I dhcp-client-identifier
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+]
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+[
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+.B -H
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+.I host-name
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+.R |
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+.B -F fqdn.fqdn
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+]
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+[
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+.B -V
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+.I vendor-class-identifier
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+]
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+[
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+.B -R
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+.I request option list
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+]
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+[
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+.B -T
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+.I timeout
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+]
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+[
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.I if0
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[
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.I ...ifN
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@@ -273,6 +295,107 @@
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-s dhclient-script environment, which would allow applications running
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in that environment to handle options they do not know about in advance -
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this is a Red Hat extension to support dhcdbd and NetworkManager.
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+.PP
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+The -I <id> argument allows you to specify the dhcp-client-identifier string, <id>,
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+to be sent to the dhcp server on the command line. It is equivalent to the
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+top level dhclient.conf statement:
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+.br
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+ \fBsend dhcp-client-identifier "<id>";\fR
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+.br
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+The -I <id> command line option will override any top level dhclient.conf
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+ 'send dhcp-client-identifier' statement, but more specific per-interface
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+ 'interface "X" { send dhcp-client-identifier...; }' statements in dhclient.conf
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+will override the -I <id> command line option for interface "X".
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+This option is provided as a Red Hat extension to enable dhclient to work
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+on IBM zSeries z/OS Linux guests.
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+.PP
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+The -B option instructs dhclient to set the bootp broadcast flag in request
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+packets, so that servers will always broadcast replies. This is equivalent
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+to specifying the 'bootp-broadcast-always' option in dhclient.conf, and has
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+the same effect as specifying 'always-broadcast' in the server's dhcpd.conf.
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+This option is provided as a Red Hat extension to enable dhclient to work
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+on IBM zSeries z/OS Linux guests.
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+.PP
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+The -H <host-name> option allows you to specify the DHCP host-name option
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+to send to the server on the dhclient command line. It is equivalent to the
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+top level dhclient.conf statement:
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+.br
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+\f send host-name "<host-name>";\fR
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+.br
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+The -H <host-name> option will override any top level dhclient.conf
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+ 'send host-name' statement, but more specific per-interface
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+ 'interface "X" { send host-name...;' statements in dhclient.conf
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+will override the -H <host-name> command line option for interface "X".
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+The host-name option only specifies the client's host name prefix, to which
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+the server will append the 'ddns-domainname' or 'domain-name' options, if any,
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+to derive the fully qualified domain name of the client host.
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+The -H <host-name> option cannot be used with the -F <fqdn.fqdn> option.
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+Only one -H <host-name> option may be specified.
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+The -H <host-name> option is provided as a Red Hat extension to simplify
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+configuration of clients of DHCP servers that require the host-name option
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+to be sent (eg. some modern cable modems), and for dynamic DNS updates (DDNS).
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+.PP
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+The -F <fqdn.fqdn> option allows you to specify the DHCP fqdn.fqdn option
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+to send to the server on the dhclient command line. It is equivalent to the
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+top level dhclient.conf statement:
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+.br
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+\f send fqdn.fqdn "<domain-name>";\fR
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+.br
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+The -F <fqdn.fqdn> option will override any top level dhclient.conf
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+ 'send fqdn.fqdn' statement, but more specific per-interface
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+ 'interface "X" { send fqdn.fqdn...;' statements in dhclient.conf
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+will override the -F <fqdn.fqdn> command line option for interface "X".
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+This option cannot be used with the -H <host-name> option.
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+The DHCP fqdn.fqdn option must specify the complete domain name of the client
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+host, which the server may use for dynamic DNS updates.
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+Only one -F <fqdn.fqdn> option may be specified.
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+The -F <fqdn.fqdn> option is provided as a Red Hat extension to simplify
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+configuration of DDNS.
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+.PP
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+The -T <timeout> option allows you to specify the time after which
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+the dhclient will decide that no DHCP servers can be contacted when
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+no responses have been received. It is equivalent to the
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+.br
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+\f timeout <integer>;\fR
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+.br
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+dhclient.conf statement, and will override any such statements in dhclient.conf.
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+.br
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+This option is provided as a Red Hat extension.
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+.PP
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+The -V <vendor-class-identifier> option allows you to specify the DHCP
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+vendor-class-identifier option to send to the server on the dhclient command line.
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+It is equivalent to the top level dhclient.conf statement:
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+.br
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+\f send vendor-class-identifier "<vendor-class-identifier>";\fR
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+.br
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+The -V <vendor-class-identifier> option will override any top level dhclient.conf
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+ 'send vendor-class-identifier' statement, but more specific per-interface
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+ 'interface "X" { send vendor-class-identifier...;' statements in dhclient.conf
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+will override the -V <vendor-class-identifier> command line option for interface "X".
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+The -V <vendor-class-identifier> option is provided as a Red Hat extension to simplify
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+configuration of clients of DHCP servers that require the vendor-class-identifier option
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+to be sent.
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+.PP
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+The -R <request option list> option allows you to specify the list of options the
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+client is to request from the server on the dhclient command line.
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+The option list must be a single string, consisting of option names separated
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+by at least one comma and optional space characters. The default option list
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+is :
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+.br
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+ subnet-mask, broadcast-address, time-offset, routers,
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+.br
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+ domain-name, domain-name-servers, host-name, nis-domain,
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+.br
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+ nis-servers, ntp-servers
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+.br
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+You can specify a different list of options to request with the -R <option list> argument.
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+This is equivalent to the dhclient.conf statement:
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+.br
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+\f request <option list> ;\fR
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+.br
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+The -R argument is provided as a Red Hat extension to ISC dhclient to facilitate requesting
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+a list of options from the server different to the default.
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+.PP
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.SH CONFIGURATION
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The syntax of the dhclient.conf(5) file is discussed separately.
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.SH OMAPI
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--- dhcp-3.0.5/common/dhcp-options.5.manpages 2006-04-26 11:12:43.000000000 -0400
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+++ dhcp-3.0.5/common/dhcp-options.5 2007-03-29 14:58:42.000000000 -0400
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@@ -834,6 +834,24 @@
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classless IP routing is now the most widely deployed routing standard,
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this option is virtually useless, and is not implemented by any of the
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popular DHCP clients, for example the Microsoft DHCP client.
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+.PP
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+NOTE to Red Hat dhclient users:
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+.br
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+The RedHat dhclient-script interprets trailing 0 octets of the target
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+as indicating the subnet class of the route - so for this
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+static-routes value:
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+.br
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+ option static-routes 172.0.0.0 172.16.2.254,
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+.br
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+ 192.168.0.0 192.168.2.254;
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+.br
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+the Red Hat dhclient-script will create routes:
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+.br
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+ 172/8 via 172.16.2.254 dev $interface
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+.br
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+ 192.168/16 via 192.168.2.254 dev $interface
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+.br
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+which slightly increases the usefulness of the static-routes option.
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.RE
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.PP
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.nf
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--- dhcp-3.0.5/dhcpctl/dhcpctl.3.manpages 2004-09-24 17:08:38.000000000 -0400
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+++ dhcp-3.0.5/dhcpctl/dhcpctl.3 2007-03-29 14:59:16.000000000 -0400
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@@ -43,7 +43,8 @@
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.\"
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.\"
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.Sh SYNOPSIS
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-.Fd #include <dhcpctl/dhcpctl.h>
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+.Fd #include <dhcpctl.h>
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+.sp
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.Ft dhcpctl_status
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.Fo dhcpctl_initialize
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.Fa void
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@@ -426,7 +427,7 @@
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#include <netinet/in.h>
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#include <isc/result.h>
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-#include <dhcpctl/dhcpctl.h>
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+#include <dhcpctl.h>
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int main (int argc, char **argv) {
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dhcpctl_data_string ipaddrstring = NULL;
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--- dhcp-3.0.5/server/dhcpd.conf.5.manpages 2006-07-09 11:02:24.000000000 -0400
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+++ dhcp-3.0.5/server/dhcpd.conf.5 2007-03-29 14:58:59.000000000 -0400
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@@ -531,9 +531,9 @@
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failover peer "foo" {
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primary;
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address anthrax.rc.vix.com;
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- port 519;
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+ port 647;
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peer address trantor.rc.vix.com;
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- peer port 520;
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+ peer port 847;
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max-response-delay 60;
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max-unacked-updates 10;
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mclt 3600;
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@@ -592,9 +592,7 @@
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.B port \fIport-number\fR\fB;\fR
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.PP
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The \fBport\fR statement declares the TCP port on which the server
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-should listen for connections from its failover peer. This statement
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-may not currently be omitted, because the failover protocol does not
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-yet have a reserved TCP port number.
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+should listen for connections from its failover peer.
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.RE
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.PP
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The
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@@ -606,10 +604,8 @@
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.PP
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The \fBpeer port\fR statement declares the TCP port to which the
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server should connect to reach its failover peer for failover
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-messages. This statement may not be omitted because the failover
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-protocol does not yet have a reserved TCP port number. The port
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-number declared in the \fBpeer port\fR statement may be the same as
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-the port number declared in the \fBport\fR statement.
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+messages. The port number declared in the \fBpeer port\fR statement
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+may be the same as the port number declared in the \fBport\fR statement.
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.RE
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.PP
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The
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@@ -1133,7 +1129,7 @@
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.PP
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.nf
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key DHCP_UPDATER {
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- algorithm HMAC-MD5.SIG-ALG.REG.INT;
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+ algorithm hmac-md5;
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secret pRP5FapFoJ95JEL06sv4PQ==;
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};
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@@ -1156,7 +1152,7 @@
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.PP
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.nf
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key DHCP_UPDATER {
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- algorithm HMAC-MD5.SIG-ALG.REG.INT;
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+ algorithm hmac-md5;
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secret pRP5FapFoJ95JEL06sv4PQ==;
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};
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