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27 .Nd reverse ARP daemon
35 services Reverse ARP requests on the Ethernet connected to
37 Upon receiving a request,
39 maps the target hardware address to an IP address via its name, which
40 must be present in both the
45 If a host does not exist in both databases, the translation cannot
46 proceed and a reply will not be sent.
48 By default, a request is honored only if the server
52 can "boot" the target; that is, a file or directory matching the glob
53 .Pa /tftpboot/\fIipaddr\fP*
56 is the target IP address in hex.
57 For example, the IP address 204.216.27.18 will be replied to if any of
58 .Pa /tftpboot/CCD81B12 ,
59 .Pa /tftpboot/CCD81B12.SUN3 ,
61 .Pa /tftpboot/CCD81B12-boot
63 This requirement can be overridden with the
69 forks a copy of itself and runs in the background.
70 Anomalies and errors are reported via
73 The following options are available:
74 .Bl -tag -width indent
76 Listen on all the Ethernets attached to the system.
79 is omitted, an interface must be specified.
92 Run in the foreground.
94 Supply a response to any RARP request for which an ethernet to IP address
95 mapping exists; do not depend on the existence of
96 .Pa /tftpboot/\fIipaddr\fP* .
98 Supply an alternate tftp root directory to
106 to selectively respond to RARP requests, but use an alternate directory
109 Enable verbose syslogging.
112 .Bl -tag -width /etc/ethers -compact
124 .%T "RFC 903: Reverse Address Resolution Protocol"
130 .An Craig Leres Aq leres@ee.lbl.gov
132 .An Steven McCanne Aq mccanne@ee.lbl.gov .
133 Lawrence Berkeley Laboratory, University of California, Berkeley, CA.
136 can depend on the DNS to resolve the name discovered from
138 If this name is not in the DNS but is in
140 the DNS lookup can cause a delayed RARP response, so in this situation
141 it is recommended to configure