Alcatel AST570, User Manual

Page: 182 / 300

Automatic IP
addressing
The 'DHCP server
configuration' table
14 Networking Services - IP
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3EC 17766 AAAA TCZZA Ed. 04
OSs supporting 'Automatic IP Addressing ', might initially not
establish IP connectivity with the AST570 . This is because the IP
address they assimilated is not within the AST570 'Auto DHCP'
server range.
To prevent this problem, please power on your (W)LAN
devices after the AST570 has come online .
Indeed, when the AST570 is in 'Auto DHCP' it will first operate as
a DHCP client. After the client timeout exceeded, it switches to
DHCP server mode, but this might be to late as some clients will
already selected an automatic IP address.
Dynamic IP addressing is a feature allowing DHCP clients to
assign themselves an IP address.
This happens when there is no DHCP server on the network, or
when the server is temporarily down. After automatic assignment,
the DHCP client will issue DHCP requests at regular instances.
If the DHCP server is back online, the client will now lease an IP
address from the server, after discarding its temporary automatic
IP address.
On the 'DHCP Server' page the 'DHCP Server configuration' table
allows you to configure the AST570 DHCP server settings: