ENWW TCP/IP Configuration 41
DHCP Requests Enable/Disable
When a default IP address is assigned, you can choose to send, or
not send, periodic DHCP requests. DHCP requests are used to
retrieve IP configuration settings from a DHCP server on the
network. By default, this parameter is enabled, allowing DHCP
requests to be transmitted. However, this parameter may be
disabled through supported configuration tools such as Telnet, a
Web browser, and SNMP management applications.
HP Jetdirect Wireless Print Server. When initially powered
on, a factory-default wireless print server that has no connection to
a network will likely self-assign a link-local IP address. If a network
connection to a DHCP server-based network is made, the IP address
will likely be reconfigured because DHCP requests on the print
server are enabled by default.
Default IP on Wireless and Wired Print Servers
Wired and wireless print servers may have different default IP
configuration results:
● When powered on, a factory-default wired print server will
systematically use BOOTP, DHCP, and RARP to retrieve its IP
settings. Up to two minutes are used. If configuration is not
successful, a default IP address will be assigned as described
previously.
● For a factory-default wireless print server, a network connection
must first be configured before it can communicate on a network.
Therefore, retrieval of IP settings from a network is limited to
about four seconds. During this time, a single BOOTP request
is transmitted, and broadcast packets are sensed. Because a
response from a BOOTP server on an Ad Hoc network is
unlikely, and the number of broadcast packets sensed will be
minimal, a default IP configuration using link-local addressing
is likely.
However, the IP configuration may change once the wireless
print server is connected a DHCP network because the sending
of DHCP requests will be enabled by default.
Configuration tools that require a specific default IP address to
initially communicate with a factory-default print server may not
work without modification. For the default IP address settings on
the print server, see the Jetdirect configuration page.
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