[OpenBSD]

Manual Page Search Parameters

DHCLIENT.CONF(5) File Formats Manual DHCLIENT.CONF(5)

dhclient.conf
DHCP client configuration file

dhclient.conf is the configuration file for dhclient(8). It is a free-form ASCII text file made up of declarations, extra tabs and newlines for formatting purposes and comments. Keywords in the file are case-insensitive. Comments begin with the ‘#’ character and extend to the end of the current line.

 
 
seconds;
Sets the maximum number of seconds to wait before retransmitting a packet. The default is 10 seconds.
 
 
seconds;
Sets the number of seconds between the first packet transmission and the first retransmission of the packet. The default is 1 second.
 
 
seconds;
Sets the number of seconds to wait for a lease before going into the background as a daemon. The default is 10 seconds.
 
 
seconds;
Sets the number of seconds to wait before giving up on reacquiring the previous lease, and how long to attempt unicast renewal requests before falling back to broadcast renewal requests. The default is 1 second.
 
 
seconds;
Sets the number of seconds to wait before starting a new attempt to obtain a lease. The default is 1 second.
 
 
seconds;
Sets the number of seconds to wait for additional leases after the first lease arrives. After select-timeout seconds the best lease received will be selected. The default is 0 seconds, i.e. immediately use the first acceptable lease received.
 
 
seconds;
Sets the number of seconds to wait for a lease. If no lease is received the first valid lease in dhclient.leases(5) will be used. The default is 30 seonds.

 
 
option option-value;
Append option-value to the value of option in the lease. Each append for option overrides any previous append, default, ignore, prepend or supersede for option.
 
 
option option-value;
If no value for option is present in the lease use option-value. Each default for option overrides any previous append, default, ignore, prepend or supersede for option.
 
 
[
option, ...
];
Discard values provided for the listed options. ignore statements are cumulative, except that an empty list will remove all previously specified options. Each ignore for option overrides any previous append, default, prepend or supersede for option.
 
 
option option-value;
Prepend option-value to the value of option in the lease. Each prepend for option overrides any previous append, default, ignore, prepend or supersede for option.
 
 
[
option, ...
];
Ask that any lease contain values for the listed options. request statements are cumulative, except that an empty list will remove all previously specified options. The default is to request the options bootfile-name broadcast-address, classless-static-routes, host-name, domain-name, domain-name-servers, domain-search, routers, subnet-mask, tftp-server-name and time-offset.
 
 
[
option, ...
];
Discard leases that do not contain the listed options. require statements are cumulative, except that an empty list will remove all previously specified options.
 
 
option option-value;
Include option-value in requests for a lease. To include multiple options in requests, send can be used multiple times.
 
 
option option-value;
Use option-value for the given option regardless of the value in the lease. Each supersede for option overrides any previous append, default, ignore, prepend or supersede for option.

 
 
path;
Use path instead of the file field of the DHCP offer when binding a lease.
 
 
ip-address;
Use ip-address instead of the yiaddr field of the DHCP offer when binding a lease.
 
 
name{ declaration; ...; }
Apply any declaration only to the named interface.
 
 
ip-address;
Discard leases from the specified address. If more than one reject is present all leases from any of the addresses will be discarded.
 
 
ip-address;
Use ip-address instead of the siaddr field of the DHCP offer when binding a lease.
 
 
host;
Use host instead of the sname field of the DHCP offer when binding a lease.

dhclient.leases(5), dhcp-options(5), dhcpd.conf(5), dhclient(8), dhcpd(8)
May 12, 2018 OpenBSD-current