4IPNET HSG260 User Manual page 170

The URL parameters sent by the Gateway to the external login page are as follows:
Field Value
loginurl String (URL encoded)
remainingurl String (URL encoded)
vlanid Integer (1 ~ 4096)
gwip IP format
client_ip IP format
umac MAC format (separated by ':')
session String
You will need to parse the required parameters in your html code. The following HTML code segment is an example
of parsing loginurl parameter with a self define javascrip function:
<FORM action="" method="post" name="form">
HSG Wireless Hotspot Gateway ENGLISH
Description
The URL which shall be submitted when user login.
The URL which shall be submitted when user want to
get remaining quota.
VLAN ID
Gateway activated WAN IP address
Client IP address
Client MAC address
Encrypted session information, include: client IP
address, MAC address, date, and return URL.
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User's Manual