rarpd(1M)

NAME | SYNOPSIS | DESCRIPTION | OPTIONS | EXAMPLES | SUMMARY OF TRUSTED SOLARIS CHANGES | FILES | ATTRIBUTES | SEE ALSO

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 started from the trusted path, with a UID of 0 and the label ADMIN_LOW. To succeed, it must inherit the sys_net_conf and net_broadcast privileges.

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

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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

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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

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SUMMARY OF TRUSTED SOLARIS CHANGES

in.rarpd should be started from the trusted path with a UID0 and sensitivity label of ADMIN_LOW. It must inherit the sys_net_config and net_broadcast privileges.

FILES

/etc/ethers

File or other source, as specified by nsswitch.conf(4).

/etc/hosts

File or other source, as specified by nsswitch.conf(4).

/tftpboot

Directory for remote boot scripts.

/dev/ip

List of available network interfaces.

/dev/arp

Address resolution protocol list.

ATTRIBUTES

See attributes(5) for descriptions of the following attributes:

ATTRIBUTE TYPE	ATTRIBUTE VALUE
Availability	SUNWcsu

SEE ALSO

Trusted Solaris 8 HW 12/02 Reference Manual

ifconfig(1M), nsswitch.conf(4)

SunOS 5.8 Reference Manual

boot(1M), ethers(4), hosts(4), netconfig(4), attributes(5), dlpi(7P)

RFC-903, A Reverse Address Resolution Protocol, Network Information Center, SRI International.

Unix International, Data Link Provider Interface, Version 2, May 7, 1991, Sun Microsystems, 800-6915-01.

SunOS 5.8  Last Revised 1 May 1997

NAME | SYNOPSIS | DESCRIPTION | OPTIONS | EXAMPLES | SUMMARY OF TRUSTED SOLARIS CHANGES | FILES | ATTRIBUTES | SEE ALSO