ZyXEL NBG4615 User Manual download pdf (Page 157)

Chapter 17 WAN

NBG4615 User’s Guide

157

17.4.4 L2TP Encapsulation

The Layer 2 Tunneling Protocol (L2TP) works at layer 2 (the data link layer) to tunnel network traffic

between two peer devices over another network (like the Internet).

Idle Timeout This value specifies the time in minutes that elapses before the NBG4615

automatically disconnects from the PPTP server.

PPTP Configuration

Server IP Address Type the IP address of the PPTP server.

Get automatically

from ISP

Select this option If your ISP did not assign you a fixed IP address. This is

the default selection.

Use Fixed IP Address Select this option If the ISP assigned a fixed IP address.

IP Address Enter your WAN IP address in this field if you selected Use Fixed IP

Address.

IP Subnet Mask Your NBG4615 will automatically calculate the subnet mask based on the IP

address that you assign. Unless you are implementing subnetting, use the

subnet mask computed by the NBG4615.

Gateway IP

Address

Enter a Gateway IP Address (if your ISP gave you one) in this field.

WAN IP Address Assignment

Get automatically

from ISP

Select this to get your WAN IP address from your ISP.

Use Fixed IP Address Select this option If the ISP assigned a fixed IP address.

My WAN IP

Address

Enter your WAN IP address in this field if you selected Use Fixed IP

Address.

WAN DNS Assignment

First DNS Server

Second DNS Server

Select From ISP if your ISP dynamically assigns DNS server information

(and the NBG4615's WAN IP address). The field to the right displays the

(read-only) DNS server IP address that the ISP assigns.

Select User-Defined if you have the IP address of a DNS server. Enter the

DNS server's IP address in the field to the right. If you chose User-Defined,

but leave the IP address set to 0.0.0.0, User-Defined changes to None

after you click Apply. If you set a second choice to User-Defined, and

enter the same IP address, the second User-Defined changes to None

after you click Apply.

Select None if you do not want to configure DNS servers. If you do not

configure a DNS server, you must know the IP address of a computer in

order to access it.

WAN MAC Address The MAC address section allows users to configure the WAN port's MAC

address by either using the NBG4615’s MAC address, copying the MAC

address from a computer on your LAN or manually entering a MAC address.

Factory default Select Factory default to use the factory assigned default MAC Address.

Clone the computer’s

MAC address - IP

Address

Select Clone the computer's MAC address - IP Address and enter the IP

address of the computer on the LAN whose MAC you are cloning.

Set WAN MAC Address Select this option and enter the MAC address you want to use.

Apply Click Apply to save your changes back to the NBG4615.

Cancel Click Cancel to begin configuring this screen afresh.

Table 60 Network > WAN > Internet Connection: PPTP Encapsulation (continued)

LABEL DESCRIPTION

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ZyXEL NBG4615 User Manual Page 157

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