PROLINK Modem 9000 用户手册

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      Section Four: Web-Based Management

If you are using 1483 Routed IP or Classical IP over ATM,
please enter the IP address, Subnet Mask and Gateway
(Provided by your local ISP)

Disconnect Timeout: The Disconnect Timeout allows users to set the
specific period of time to disconnect from the ISP. The default is 0, which
means never disconnect from the ISP.

Q: If the PPP is disconnected after the Disconnect Timeout and
how can I reconnect it.
A: You have to go to the PPP Status under Admin Privileged
column, choose the correct PVC and Connect option, and then
click Execute to restart a new PPP secession.
B. OR you can enable  PPP reconnect on WAN access under Misc
Configuration, the PPP will be automatically reconnected when an URL is
entered in the browser (packet interested in going out to  the WAN).

Automatic Reconnect: When it is checked, it will maintain the PPP
connection all the time. If the ISP shut down the PPP connection, it will
automatically reconnect PPP session.