ZyAIR Wireless Gateway Series User’s Guide
Wizard Setup
3-9
Table 3-4 Wizard 3: PPTP Encapsulation
LABEL DESCRIPTION
Idle Timeout
Type the time in seconds that elapses before the ZyAIR automatically disconnects
from the PPTP server.
PPTP Configuration
My IP Address
Type the (static) IP address assigned to you by your ISP.
My IP Subnet
Mask
Type the subnet mask assigned to you by your ISP (if given).
Server IP Address Type the IP address of the PPTP server.
Connection
ID/Name
If your ISP has provided a connection ID name, enter it in this field exactly as
provided.
Next
Click
Next
to continue.
Back
Click
Back
to return to the previous screen.
3.4.3 PPPoE Encapsulation
Point-to-Point Protocol over Ethernet (PPPoE) functions as a dial-up connection. PPPoE is an IETF (Internet
Engineering Task Force) draft standard specifying how a host personal computer interacts with a broadband
modem (for example xDSL, cable, wireless, etc.) to achieve access to high-speed data networks. It preserves
the existing Microsoft Dial-Up Networking experience and requires no new learning or procedures.
For the service provider, PPPoE offers an access and authentication method that works with existing access
control systems (for instance, RADIUS). For the user, PPPoE provides a login and authentication method
that the existing Microsoft Dial-Up Networking software can activate, and therefore requires no new learning
or procedures for Windows users.
One of the benefits of PPPoE is the ability to let end users access one of multiple network services, a function
known as dynamic service selection. This enables the service provider to easily create and offer new IP
services for specific users.
Operationally, PPPoE saves significant effort for both the subscriber and the ISP/carrier, as it requires no
specific configuration of the broadband modem at the subscriber’s site.
By implementing PPPoE directly on the ZyAIR (rather than individual computers), the computers on the
LAN do not need PPPoE software installed, since the ZyAIR does that part of the task. Furthermore, with
NAT, all of the LAN's computers will have Internet access.
Refer to the appendix for more information on PPPoE.
Summary of Contents for ZYAIR
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