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27 .Nd reverse ARP daemon
36 utility services Reverse ARP requests on the Ethernet connected to
38 Upon receiving a request,
40 maps the target hardware address to an IP address via its name, which
41 must be present in both the
46 If a host does not exist in both databases, the translation cannot
47 proceed and a reply will not be sent.
49 By default, a request is honored only if the server
53 can "boot" the target; that is, a file or directory matching the glob
54 .Pa /tftpboot/\fIipaddr\fP*
57 is the target IP address in hex.
58 For example, the IP address 204.216.27.18 will be replied to if any of
59 .Pa /tftpboot/CCD81B12 ,
60 .Pa /tftpboot/CCD81B12.SUN3 ,
62 .Pa /tftpboot/CCD81B12-boot
64 This requirement can be overridden with the
70 forks a copy of itself and runs in the background.
71 Anomalies and errors are reported via
74 The following options are available:
75 .Bl -tag -width indent
77 Listen on all the Ethernets attached to the system.
80 is omitted, an interface must be specified.
93 Run in the foreground.
95 Supply a response to any RARP request for which an ethernet to IP address
96 mapping exists; do not depend on the existence of
97 .Pa /tftpboot/\fIipaddr\fP* .
99 Supply an alternate tftp root directory to
107 to selectively respond to RARP requests, but use an alternate directory
110 Enable verbose syslogging.
113 .Bl -tag -width /etc/ethers -compact
125 .%T "RFC 903: Reverse Address Resolution Protocol"
131 .An Craig Leres Aq leres@ee.lbl.gov
133 .An Steven McCanne Aq mccanne@ee.lbl.gov .
134 Lawrence Berkeley Laboratory, University of California, Berkeley, CA.
138 utility can depend on the DNS to resolve the name discovered from
140 If this name is not in the DNS but is in
142 the DNS lookup can cause a delayed RARP response, so in this situation
143 it is recommended to configure