the lease time is
4.4.1.3 Dynamic IP Address with Road Runner Session Management.(e.g. Telstra BigPond)
LAN IP Address is the IP address of this product. It must be the default gateway of your
computers.
WAN Type is Dynamic IP Address. If the WAN type is not correct, change it!
Host Name: optional. Required by some ISPs, e.g. @Home.
∙Renew IP Forever: this feature enable this product renew IP address automatically when the lease time is being expired even the system is in idle state.
4.4.1.4 PPP over Ethernet
1.PPPoE Account and Password: the account and password your ISP assigned to you. For security, this field appears blank. If you don't want to change the password, leave it empty.
2.PPPoE Service Name: optional. Input the service name if your ISP requires it. Otherwise, leave it blank.
3.Maximum Idle Time: the amount of time of inactivity before disconnecting your PPPoE session. Set it to zero or enable
4.4.1.5 PPTP
1.My IP Address and My Subnet Mask: the private IP address and subnet mask your ISP assigned to you.
2. Server IP Address: the IP address of the PPTP server.
3.PPTP Account and Password: the account and password your ISP assigned to you. If you don't want to change the password, keep it empty.
4.Connection ID: optional. Input the connection ID if your ISP requires it.
5.Maximum Idle Time: the time of no activity to disconnect your PPTP session. Set it to zero or enable
24