NetComm NTC-400 Series User Manual page 266

Each account has its own lease time and it will not be reused for authentication once the lease time has run out. The client
host with that account will be rejected to access the Internet. However, there is a timeout setting for each account. When
the client host with that account has been idle the timeout setting, the router will re-authenticate the client host for further
Internet connections.
6.3.1.1 Captive Portal settings
To set up a Captive Portal, select Authentication from the Security submenu on the left and then open the Captive Portal
tab.
The options available in the Captive Portal Configuration page depend on whether Internal or External Web Portal is
selected:
Item
Captive Portal Disabled by default.
WAN Interface Mandatory field
Default setting: WAN‐
1
LAN Subnet Mandatory field
Default setting:
DHCP‐1
Web Portal Mandatory field
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Figure 306 – Captive Portal Configuration
Notes
Check  Enable to activate the Captive Portal function.
Specify a WAN Interface for the authenticated clients or hosts.
All traffic coming from the hosts will be directed to the specified WAN interface.
Specify the LAN subnet which is to be bound with captive portal function.
It can be DHCP‐1 - DHCP‐4, if you have configured additional DHCP servers in Basic
Network > LAN & VLAN > DHCP Server.
If DHCP‐1 is selected, users connected to the physical LAN port assigned to the
DHCP‐1 server will be re‐directed to a login page when accessing the Internet.
Specify which kind of authentication server is to be used for the captive portal
function.
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