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Copyright © 2004-2005, Vivato, Inc.
Understanding Dynamic and Static IP Addressing on the Vivato Wi-Fi AP/
Bridge
How Does the AP/Bridge Obtain an IP Address at Startup?
By default, the AP/Bridge uses a static IP address. This is done to establish a known IP address to use to
easily re-access the VivatoVision™ web pages for configuration. After configuration is completed,
automatic IP addressing using DHCP can be enabled if desired.
Automatic IP addressing looks for a network
server and, if it finds one, obtains an
the DHCP server. If no DHCP server is found on the network, the AP/Bridge will continue to use its
(169.254.20.1) until you re-assign it a new static IP address (and specify a static IP addressing
policy) or until a DHCP server is brought online.
Dynamic IP Addressing
Most home and small business networks already have DHCP service provided either via a gateway device
or a centralized server. However, if no DHCP server is present on the Internal network, the AP/Bridge will
use the assigned
.
Similarly, wireless clients and other network devices (such as printers) will receive their IP addresses from
the DHCP server, if there is one. If no DHCP server is present on the network, you must manually assign
static IP addresses to your wireless clients and other network devices.
If DHCP is used, the system administrator must look at the DHCP server’s log to see what IP address was
assigned to the AP/Bridge (by looking for the AP/Bridge’s MAC address in the log) in order to use that
address to access the VivatoVision web interface.
Static IP Addressing
The Vivato Wi-Fi AP/Bridge ships with a default
of 169.254.20.1 (See “Default Settings
for the Vivato Wi-Fi AP/Bridge” on page 21.) The AP/Bridge retains this static IP address until you change
it.
AP/Bridge
EXAMPLE NETWORK LAYOUT WHEN USING A DHCP SERVER
Eth0
DHCP Server
Gateway and Other
Internet
Firewall
Internet Access
Provider
Wireless Clients
Internal Network Servers
