OkiLAN 6200e Plus User’s Guide
TCP/IP
141
attempted BOOTP request. Unfortunately, the
ps
options differ from one UNIX workstation to another.
Perform a
man ps
at the UNIX prompt to consult a
manual page on the
ps
command for a particular work-
station. If bootpd is not running on a workstation, type
man bootpd
at the UNIX prompt to consult a manual
page on the BOOTP daemon and how to start it.
Limitations
Often TCP/IP networks are divided into
subnets
.
BOOTP does not work across subnets. When install-
ing a Network Print Server, make sure the following
criteria are met for BOOTP to work properly.
•
Both the BOOTP server and the Network Print
Server are physically attached to the same subnet.
•
The IP address assigned to the Network Print
Server and the IP address of the BOOTP server
belong to the same subnet.
OR
•
Your router(s) are configured to forward BOOTP
packets between the Network Print Server’s subnet
and the subnet of the host running the BOOTP
server.
Configuring the Network Print Server IP
Address with RARP
RARP is an acronym for
R
everse
A
ddress
R
esolution
P
rotocol. Every TCP/IP network device must have a
unique 32-bit IP address. TCP/IP network devices will
have both an IP address and a 48-bit Ethernet (net-
work hardware) address. Ethernet addresses usually
cannot be configured and are
hard coded
by the man-
ufacturer of the device. RARP is a protocol used by
devices that
know
their network hardware address, but
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