IN.RARPD(8) Maintenance Procedures IN.RARPD(8)

NAME

in.rarpd, rarpd - DARPA Reverse Address Resolution Protocol server

SYNOPSIS

/usr/sbin/in.rarpd [-d] -a


/usr/sbin/in.rarpd [-d] device unit

DESCRIPTION

in.rarpd starts a daemon that responds to Reverse Address Resolution
Protocol (RARP) requests. The daemon forks a copy of itself that runs in
background. It must be run as root.


RARP is used by machines at boot time to discover their Internet Protocol
(IP) address. The booting machine provides its Ethernet address in a RARP
request message. Using the ethers and hosts databases, in.rarpd maps this
Ethernet address into the corresponding IP address which it returns to
the booting machine in an RARP reply message. The booting machine must
be listed in both databases for in.rarpd to locate its IP address.
in.rarpd issues no reply when it fails to locate an IP address.


in.rarpd uses the STREAMS-based Data Link Provider Interface (DLPI)
message set to communicate directly with the datalink device driver.

OPTIONS

The following options are supported:

-a
Get the list of available network interfaces from IP using the
SIOCGIFADDR ioctl and start a RARP daemon process on each interface
returned.


-d
Print assorted debugging messages while executing.

EXAMPLES

Example 1: Starting An in.rarpd Daemon For Each Network Interface Name

Returned From /dev/ip:


The following command starts an in.rarpd for each network interface name
returned from /dev/ip:


example# /usr/sbin/in.rarpd -a

Example 2: Starting An in.rarpd Daemon On The Device /dev/le With The

Device Instance Number 0


The following command starts one in.rarpd on the device /dev/le with the
device instance number 0.


example# /usr/sbin/in.rarpd le 0

FILES

/etc/ethers
File or other source, as specified by nsswitch.conf(5).


/etc/hosts
File or other source, as specified by nsswitch.conf(5).


/tftpboot


/dev/ip


/dev/arp

SEE ALSO

svcs(1), dlpi(4P), ethers(5), hosts(5), netconfig(5), nsswitch.conf(5),
attributes(7), smf(7), boot(8), ifconfig(8), svcadm(8)


Finlayson, R., Mann, T., Mogul, J., and Theimer, M., RFC 903, A Reverse
Address Resolution Protocol, Network Information Center, SRI
International, June 1984.

NOTES

The in.rarpd service is managed by the service management facility,
smf(7), under the service identifier:

svc:/network/rarp


Administrative actions on this service, such as enabling, disabling, or
requesting restart, can be performed using svcadm(8). The service's
status can be queried using the svcs(1) command.


August 20, 2004 IN.RARPD(8)