Vivotek IP2121 - Manual (Page 40)

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Network settings
Fix the IP address
To eliminate incautious mistakes during installation, Network Camera will stay in
installation mode whenever it starts unless "Reset network at next boot" is disabled.
This option can also be disabled using the Installer program. Once the option is disabled,
Network Camera will skip installation at the next boot and the Installer program will not
find the installed units. That implies that Network Camera cannot be accessed if no one
remembers the IP address, except for restoring factory default settings. However, with
this option disabled Network Camera can automatically operate normally after restarting
in case of losing power. This option is ignored in the PPP connection.
Basic network settings
Administrators may need to modify the network settings to fit into existing networks.
The subnet mask in some broadband service may differ from the default value
255.255.255.0 and service providers may assign more specific network settings.
Administrators should change the configuration to what given by the service provider.
The configuration may include "IP address", "Subnet mask", "Default router",
"Primary DNS server" and "Secondary DNS server". After changing network settings,
be sure to leave "Reset network at next boot" blank to skip next installation when the
system restarts. Otherwise those network settings will be erased at the next start.
Changing port number of servers
For security or network integration, administrators also can hide the server from the
general HTTP port by changing "HTTP port" to other than default 80. “Local FTP
server port” can also be changed to other than default 21. Administrators should have
enough network knowledge to change the default port.
E-mail settings
Network Camera not only plays the role of server, it will also actively connect to servers
outside to send out messages or snapshots. When Network Camera starts, it will send
out a system log via e-mail as long as the settings are correct rather than upload it via
FTP. Even in modem application, Network Camera will send out a connection log
whenever it dials out to an ISP or dialup server outside. If the administrator has setup
some applications in either event mode or sequential mode, Network Camera will send
out snapshots once conditions are met. To activate e-mail function, enter correct
settings of "SMTP (mail) server" and "Recipient email address". "Secondary SMTP
(mail) server" and "Secondary email address" are provided for backup connection
when the primary one fails. “Return email address” is whom the mail will return when