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Section IV - TCP/IP
OKI OkiLAN 6010e User’s Guide
OR
• Your router(s) are configured to forward
BOOTP packets between the OkiLAN
6010e’s subnet and the subnet of the host
running the BOOTP server.
Configuring the OkiLAN 6010e IP Ad-
dress with RARP
RARP is an acronym for Reverse Address Resolution
Protocol. 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 (network
hardware) address. Ethernet addresses usually cannot be
configured and are hard coded by the manufacturer of
the device. RARP is a protocol used by devices that
know their network hardware address, but do not know
their IP address. When powering up on a network, a
device that uses RARP will broadcast its network
hardware address in a RARP request message. A RARP
server (which may be a UNIX workstation) will re-
spond with an IP address. The device will then know its
IP address and use this address to perform subsequent
TCP/IP transactions.
Note: Once the OkiLAN 6010e has been assigned an IP
address, the OkiLAN 6010e configuration utility (which
is accessed by telneting to the OkiLAN 6010e) or
OkiNet for TCP/IP will allow you to change and/or
make the IP address permanent. This means that a
RARP server needs to be available only during installa-
tion of the OkiLAN 6010e.