ZyXEL Communications Centralized Network Management Vantage CNM - Manual (Page 71)

Chapter 5 Device Network Settings
Vantage CNM User’s Guide
71
5.3.1.2 PPPoE Encapsulation
The device supports PPPoE (Point-to-Point Protocol over Ethernet). PPPoE is an IETF Draft
standard (RFC 2516) specifying how a personal computer (PC) interacts with a broadband
modem (DSL, cable, wireless, etc.) connection. The PPPoE option is for a dial-up connection
using PPPoE.
For the service provider, PPPoE offers an access and authentication method that works with
existing access control systems (for example Radius). 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 you 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 individuals.
Operationally, PPPoE saves significant effort for both you and the ISP or carrier, as it requires
no specific configuration of the broadband modem at the customer site.
By implementing PPPoE directly on the device (rather than individual computers), the
computers on the LAN do not need PPPoE software installed, since the device does that part of
the task. Furthermore, with NAT, all of the LANs’ computers will have access.
Select PPP Over Ethernet from the Encapsulation field. A warning message appears. Click
OK.
Figure 33 Warning Message When Select PPPoE
Apply Click Apply to save your changes back to the device.
Reset Click Reset to begin configuring this screen afresh.
Table 18 Device Operation > Device Configuration > Network > WAN > ISP (Ethernet) –
ZyNOS ZyWALL (one WAN port) (continued)
LABEL DESCRIPTION