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2.5.1
Network Protocol Setup
Network Protocol Setup options are used to specify and setup TCP/IP
Ethernet, AppleTalk, and IPX (Novell) network protocols.
NETWORK PROTOCOL
SETUP
Press
Item/Enter
to proceed.
TCP/IP Ethernet (DocuColor 4 CP only function)
Enable Auto IP - Yes/No - AUTOIP is the module that handles automatic
TCP/IP configuration for the system
Enable DHCP - Yes/No
Enable BootP - Yes/No
Enable Rarp - Yes/No
AUTOIP
AUTOIP is the module that handles automatic TCP/IP configuration for the
system. It uses a set of standard discovery protocol - RARP, BOOTP and
DHCP.
RARP
RARP, reverse address resolution protocol, is specified in RFC 903. It is an
ancient protocol for a client to query for its IP address. The RARP server
maintains a database of eazch client's IP address and its hardware address.
When the client boots up, it sends the RARP server its hardware address, and
the server returns the clients IP address in the reply.
RARP protocol only works for clients on the same segment as the RARP
server. (Very few machines use this protocol)
BOOTP
Given the little information RARP provides, a new protocol, BOOTP, speci-
fied in RFC 1542, was designed to allow clients to query for more informa-
tion. In addition to the IP address ,a client may request additional informa-
tion through the use of BOOTP options (RFC 2132). The administrator sets
up a database on the BOOTP server so that the server can return the requested
information along with the IP address of the client.
Option may be unanaswered if the server doesn't have the information in its
database. With the help of BOOTP relay agents, BOOTP can work across
segments. The client just talks to the agent on its segment and the agent will
be the relay to the actual BOOTP server.
2.5
Specifying network protocol
options
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