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dnsmasq 2.71

    1: .TH DHCP_RELEASE 1
    2: .SH NAME
    3: dhcp_release \- Release a DHCP lease on a the local dnsmasq DHCP server.
    4: .SH SYNOPSIS
    5: .B dhcp_release <interface> <address> <MAC address> <client_id>
    6: .SH "DESCRIPTION"
    7: A utility which forces the DHCP server running on this machine to release a 
    8: DHCP lease.
    9: .PP
   10: Send a DHCPRELEASE message via the specified interface to tell the
   11: local DHCP server to delete a particular lease. 
   12: 
   13: The interface argument is the interface in which a DHCP
   14: request _would_ be received if it was coming from the client, 
   15: rather than being faked up here.
   16:    
   17: The address argument is a dotted-quad IP addresses and mandatory. 
   18:    
   19: The MAC address is colon separated hex, and is mandatory. It may be 
   20: prefixed by an address-type byte followed by -, eg
   21: 
   22: 10-11:22:33:44:55:66
   23: 
   24: but if the address-type byte is missing it is assumed to be 1, the type 
   25: for ethernet. This encoding is the one used in dnsmasq lease files.
   26: 
   27: The client-id is optional. If it is "*" then it treated as being missing.
   28: .SH NOTES
   29: MUST be run as root - will fail otherwise.
   30: .SH LIMITATIONS
   31: Only usable on IPv4 DHCP leases.
   32: .SH SEE ALSO
   33: .BR dnsmasq (8)
   34: .SH AUTHOR
   35: This manual page was written by Simon Kelley <simon@thekelleys.org.uk>.
   36: 
   37: