Dynamic Ip Address Configuration: Dhcp - Alcatel Speed Touch Wireless User Manual

11.1.4

Dynamic IP Address Configuration: DHCP

DHCP
Use of DHCP
Operation of DHCP
DHCP and STWireless
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DHCP is short for Dynamic Host Configuration Protocol and is part
of the TCP/IP protocol suite. It provides a framework for passing
configuration information to PC(s) on a TCP/IP network.
The intention is for individual PC(s) to extract their IP parameters
from a central server, rather then configuring them manually.
A PC supporting DHCP , will receive the following IP parameters via
DHCP:
Its own IP address and subnet mask
"
The IP address of the default gateway
"
The IP addresses of the primary and secondary DNS servers.
"
DHCP operates in client/server mode: a PC in its booting stage
acts as a DHCP client and emits broadcast DHCP requests. These
are intercepted by a DHCP server (on the same network) which
responds with DHCP replies.
These DHCP replies contains, among other information, the IP
address for the DHCP client.
Mostly this IP address is given for a limited period of time. This
allows automatic reuse of an address that is no longer needed by
the PC to which it was assigned.
The task of being DHCP server can also be performed by the
STWireless.
STWireless DHCP server configuration is possible via the 'DHCP'
web page. See section 11.3.3 for more information.
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